研究実績

2017

J. P. D. C. Calupitan, O. Galangau, O. Guillermet, R. Coratger, T. Nakashima, G. Rapenne, T. Kawai
Scanning Tunneling Microscope Tip-Induced Formation of a Supramolecular Network of Terarylene Molecules on Cu(111)
J. Phys. Chem. C, 121, 25384-25389 (2017)

Y. Nonoguchi, S. Sudo, A. Tani, T. Murayama, Y. Nishiyama, R. M. Uda, T. Kawai
Solvent Basicity Promotes the Hydride-mediated Electron Transfer Doping of Carbon Nanotubes
Chem. Commun., 53, 10259-10262 (2017)

Y. Taniguchi, M. A. B. Sazali, Y. Kobayashi, N. Arai, T. Kawai, T. Nakashima
Programmed Self-Assembly of Branched Nanocrystals with an Amphiphilic Surface Pattern
ACS Nano, 11, 9312-9320 (2017)

R. Sethy, J. Kumar, R. Métivier, M. OLouis, K. Nakatani, N. M. T. Mecheri, A. Subhakumari. K. G. Thomas, T. Kawai, T. Nakashima
Enantioselective Light Harvesting with Perylenediimide Guests on Self-Assembled Chiral Naphthalenediimide Nanofibers
Angew. Chem. Int. Ed., 56, 15053-15057 (2017)

Y. Taniguchi, T. Takishita, Y. Kobayashi, N. Arai, T. Kawai, T. Nakashima
Amphiphilic Self-assembly of Semiconductor Nanocrystals with Heterogeneous Compositions
Europhys. Lett., 118, 68001 (2017)

J. Kuno, T. Kawai, T. Nakashima
Effect of Suraface Ligands on the Optical Activity of Mercury Sulfide Nanoparticles
Nanoscale, 9, 11590-11595 (2017)

M. Nakano, T. Nakashima, T. Kawai, Y. Nonoguchi
Synergistic Impacts of Electrolyte Adsorption on the Thermoelectric Properties of Single-Walled Carbon Nanotubes
Small, 13, 170084 (2017)

R. Li, T. Nakashima, T. Kawai
Self-Contained Photoacid Generator for Super Acid Based on Photochromic Teraylene
Chem. Commun., 53, 4339-4341 (2017)

J. P. D. C. Culpitan, O. Galangau, O. Guillermet, R. Coratger, T. Nakashima, G. Rapenne, T. Kawai
Synthesis and Photochromism of Chloro and tert-Butyl Terarylenes Derivatives for Surface Deposition
Eur. J. Org. Chem., 2451-2461 (2017)

Y. Nonoguchi, A. Tani, T. Ikeda, C. Goto, N. Tanifuji, R. M. Uda, T. Kawai
Water-processable, Air-stable Organic Nanoparticle-Carbon Nanotube Nanocomposites Exhibiting n-type Thermoelectric Properties
Small, 13, 1603420 (2017)

Y. Nonoguchi, F. Kamikonya, K. Ashiba, K. Ohashi, T. Kawai
Air-stable n-Type Tellurium Nanowires Coordinated by Large Organic Salts
Synth. Met., 225, 93-97 (2017)

P. Duan, D. Ashthana, T. Nakashima, T. Kawai, N. Yanai, N. Kimizuka
All-or-None Switching of Photon Upconversion in Self-Assembled Organogel Systems
Faraday Discuss., 196, 305-316 (2017)

R. Kanazawa, T. Nakashima, T. Kawai
Photophysical Properties of a Terarylene Photoswitch with a Donor-Acceptor Conjugated Bridging Unit
J. Phys. Chem. A, 121, 1638-1646 (2017)

J. Kumar, T. Kawa, T. Nakashima
Circularly Polarized Luminescence in Chiral Silver Nanoclusters
Chem. Commun., 53, 1269-1272 (2017)

2016

O. Galangau, S. Delbaere, N. Ratel-Ramond, G. Rapenne, R. Li, J. P. D. C. Calupitan, T. Nakashima, T. Kawai
Dual Photochemical Bond Cleavage for a Diarylethene-Based Phototrigger Containing both Methanolic and Acetic Sources
J. Org. Chem., 81, 11282-11290 (2016)

S. Iijima, T. Nakashima, T. Kawai
Stereoselective photoreaction in P-stereogenic dithiazolylbenzo[b]phosphole chalcogenides
New J. Chem., 40, 10048-10055 (2016)

R. Li, T. Nakashima, R. Kanazawa, O. Galangau, T. kawai
Efficient Self-Contained Photoacid Generator System Based on Photochromic Terarylenes
Chem. Eur. J., 22, 16250-16257 (2016)

J. Kumar, B. Marydasan, T. Nakashima, T. Kawai, J. Yuasa
Chiral Supramolecular Polymerization Leading to Eye Differentiable Circular Polarization in Luminescence
Chem. Commun., 52, 9885-9888 (2016)

W.-H. Chiang, C.-Y. Hsieh, S.-C. Lo, Y.-C. Chang, T. Kawai, Y. Nonoguchi
C/BCN Core/Shell Nanotube Films with Improved Thermoelectric Properties
Carbon, 109, 49–56 (2016).

Y. Nonoguchi, Y. Iihara, K. Ohashi, T. Murayama, T. Kawai
Air-tolerant Fabrication and Enhanced Thermoelectric Performance of n-Type Single-walled Carbon Nanotubes Encapsulating 1,1'-Bis(diphenylphosphino)ferrocene
Chem. Asian J., 11, 2423–2427 (2016).

Y. Taniguchi, K. Yasue, T. Kawai, T. Nakashima
A Versatile Surface Design to Disperse Nanoparticles in Ionic Liquids and Organic Solvents
Chem. Lett., 45, 898-900 (2016)

J. P. Calupitan, T. Nakashima, Y. Hashimoto, T. Kawai
Fast and Efficient Oxidative Cycloreversion Reaction of a pai-Extended Photochromic Terarylene
Chem. Eur. J., 22, 10002-10008 (2016)

Y. Uchida, T. Hirose, T. Nakashima, T. Kawai, K. Matsuda
Synthesis and Photophysical Properties of a 13,13'-Bibenzo[b]perylenyl Derivative as a π-Extended 1,1'-Binaphthyl Analog
Org. Lett., 18, 2118-2121 (2016)

Y. Nonoguchi, M. Nakano, T. Murayama, H. Hagino, S. Hama, K. Miyazaki, R. Matsubara, M. Nakamura, T. Kawai
Simple Salt-coordinated n-Type Nanocarbon Materials Stable in Air
Adv. Funct. Mater., 26, 3021-3028 (2016).

T. Katayama, S. Nakatsuka, H. Hirai, N. Yasuda, J. Kumar, T. Kawai, T. Hatakeyama
Two-Step Synthesis of Boron-Fused Double Helicenes
J. Am. Chem. Soc., 138, 5210-5213 (2016).

Y. Hashimoto, T. Nakashima, D. Shimizu, T. Kawai
Photoswitching of an Intramolecular Chiral Stack in a Helical Tetrathiazole
Chem. Commun., 52, 5171-5174 (2016)

M. Nakano, Y. Nonoguchi, T. Nakashima, T. Kawai
Solid-state, Individual Dispersion of Single-walled Carbon Nanotubes in Ionic Liquid-derived Polymers and Its Impact on Thermoelectric Properties
RSC Adv., 6, 2489-2495 (2016)

Y. Taniguchi, T. Takishita, T. Kawai, T. Nakashima
End-to-End Self-Assembly of Semiconductor Nanorods in Water by using an Amphiphilic Surface Design
Angew. Chem. Int. Ed., 55, 2083-2086 (2016)

J. F. Koegel, S. Kusaka, R. Sakamoto, T. Iwashima, R. Toyoda, M. Tsuchiya, R. Matsuoka, T. Takamasa, J. Yuasa, Y. Kitagawa, T. Kawai, H. Nishihara
Heteroleptic [Bis(oxazoline)](dipyrrinato)zinc(II) Complexes: Bright and Circularly Polarized Luminescence from an Originally Achiral Dipyrrinato Ligand
Angew. Chem. Int. Ed., 55, 1377-1381 (2016)

2015

Hirohara S, Oka C, Totani M, Obata M, Yuasa J, Ito H, Tamura M, Matsui H, Kakiuchi K, Kawai T, Kawaichi M, Tanihara M.
Synthesis, Photophysical Properties, and Biological Evaluation of Trans-Bisthioglycosylated Tetrakis(fluorophenyl)chlorin for Photodynamic Therapy.
J Med Chem. , in press.

J. Kumar, T. Nakashima, T. Kawai
Circularly Polarized Luminescence in Chiral Molecules and Supramolecular Assemblies
J. Phys. Chem. Lett. (Perspective), 6, 3445-3452 (2015)

R. Kanazawa, T. Nakashima, T. Kawai
Experimental and theoretical investigation of tetra-oxidized terarylenes with high-contrast fluorescence switching property
New J. Chem., 39, 7397-7402 (2015)

Matsuoka, Ryota; Toyoda, Ryojun; Sakamoto, Ryota;Tsuchiya, Mizuho; Hoshiko, Ken; Nagayama, Tatsuhiro; Nonoguchi, Yoshiyuki; Sugimoto, Kunihisa; Nishibori, Eiji; Kawai, Tsuyoshi; Nishihara, Hiroshi.
Bis(dipyrrinato) metal(II) coordination polymers: crystallization, exfoliation into single wires, and electric conversion ability
Chemical Science, 6, 5, 2853-2858 (2015)

Matsuno, Takashi; Koyama, Yutaro; Hiroto, Satoru; Jatishkumar; Kawai, Tsuyoshi;Shinokubo, Hiroshi.
Isolation of a 1,4-diketone intermediate in oxidative dimerization of 2-hydroxyanthracene and its conversion to oxahelicene
Chemical Communications, 51, 22, 4607-4610 (2015)

R. Li, T. Nakashima, O. Galangau, S. Iijima, R. Kanazawa, T. Kawai
Photon-quantitative 6π-electrocyclization of a diarylbenzo[b]thiophene in polar medium
Chem. Asian J., 10, 1725-1730 (2015)

Hayato Sakai , Sho Shinto , Jatish Kumar , Yasuyuki Araki , Tomo Sakanoue , Taishi Takenobu , Takehiko Wada , Tsuyoshi Kawai , and Taku Hasobe
Highly Fluorescent [7]Carbohelicene Fused by Asymmetric 1,2-Dialkyl-Substituted Quinoxaline for Circularly Polarized Luminescence and Electroluminescence
J. Phys. Chem. C, in press (2015)

T. Nakashima, K. Tsuchie, R. Kanazawa, R. Li, S. Iijima, O. Galangau, H. Nakagawa, K. Mutoh, Y. Kobayashi, J. Abe, T. Kawai
Self-Contained Photoacid Generator Triggered by Photocyclization of Triangle Terarylene Backbone
J. Am. Chem. Soc., 137, 7023-7026 (2015)

Yuki Imai, Tsuyoshi Kawai, Junpei Yuasa
Metal ion clip: fine tuning aromatic stacking interactions in multistep formation of carbazole-bridged zinc(II) complexes
Chem. Commun., 51, 10103-10106 (2015)

Tatsuya Aotake, Mitsuharu Suzuki, Naoki Aratani, Junpei Yuasa, Daiki Kuzuhara, Hironobu Hayashi, Haruyuki Nakano, Tsuyoshi Kawai, Jishan Wu, Hiroko Yamada
9,9'-Anthryl-anthroxyl radicals: Strategic stabilization of highly reactive phenoxyl radicals
Chem. Commun., 51, 31, 6734-6737 (2015)

J. Kumar, H. Tsumatori, J. Yuasa, T. Kawai, T. Nakashima
Self-Discriminating Termination of Chiral Supramolecular Polymerization: Tuning the Length of Nanofiber
Angew. Chem. Int. Ed., 54, 5943-5947 (2015)

O. Galangau, T. Nakashima, F. Maurel, T. Kawai
Substituent Effects on Photochromic Properties of Novel Benzothiophene Based Derivatives
Chem. Eur. J., 21, 23, 8471-8482 (2015)

T. Nakashima, Y. Hayakawa, M. Mori, T. Kawai
Preparation of fusion materials based on ionic liquids and cationic gold nanoparticles
Polym. J., 47, 2 (SI), 171−176 (2015)

Shunsuke Iijima, Keichi Hori, Takuya Nakashima and Tsuyoshi Kawai
D-A-D type molecules based on dibenzophosphole-chalcogenides and triphenylamine moieties; effects of chalcogenide atoms on their photochemical properties
Rapid Communication in Photoscience, 3, 61-63 (2015)

Tomoki Okuhata, Yoichi Kobayashi, Yoshiyuki Nonoguchi,Tsuyoshi Kawai, and Naoto Tamai,
Ultrafast Carrier Transfer and Hot Carrier Dynamics in PbS−Au Hybrid Nanostructures
J. Phys. Chem. C, 119, 4, 2113−2120 (2015)

M. Nakano, Y. Nonoguchi, T. Nakashima, T. Kawai
Flexible Thermoelectric Rubber Polymer Composites Based on Single-Walled Carbon Nanotubes
Jpn. J. Appl. Phys., 54, 04DN03 (2015)

2014

O. Galangau, Y. Kimura, R. Kanazawa, T. Nakashima, T. Kawai
Enhanced Photochemical Sensitivity in Photochromic Diarylethenes Based on a Benzothiophene/Thiophene Nonsymmetrical Structure
Eur. J. Org. Chem., 7165-7173 (2014)

Y. Nonoguchi, T. Murayama, M. Ishizaki, K. Kanaizuka, M. Kurihara, K. Hata, T. Kawai
SWNT Composites with Compositionally-Tunable Prussian Blue Nanoparticles for Thermoelectric Coordination Programming Materials
Chem. Lett., 43, 1254-1256 (2014)

T. Inouchi, T. Nakashima, T. Kawai
Acid-Base Responsive Intense Charge Transfer Emission in Donor-Acceptor Conjugated Fluorophore
Chem. Asian J., 9, 2542-2547 (2014)

Akinobu Matsumoto, Mitsuharu Suzuki, Daiki Kuzuhara, Junpei Yuasa, Tsuyoshi Kawai, Naoki Aratani*, and Hiroko Yamada*
A kinetically protected pyrene: molecular design, bright blue emission in the crystalline state and aromaticity relocation in its dicationic species
Chem. Commun., 50, 10956-10958 (2014)

T. Nakashima, K. Imamura, K. Yamamoto, Y. Kimura, S. Katao, Y. Hashimoto, T. Kawai
Synthesis, Structure and Properties of a,b-Linked Oligothiazoles with Controlled Sequence
Chem. Eur. J., 20, 13722-13729 (2014)

Norie Inukai, Tsuyoshi Kawai*,Junpei Yuasa*
One-Step Versus Multistep Equilibrium of Carbazole-Bridged Dinuclear Zinc(II) Complex Formation: Metal-Assisted π-Association and Dissociation Processes
Chem.-Eur. J., 20, 15159 – 15168 (2014)

Ryota Kobayashi,Yoshiyuki Nonoguchi*,Akito Sasaki,Hiroshi Yao
Chiral Monolayer-Protected Bimetallic Au–Ag Nanoclusters: Alloying Effect on Their Electronic Structure and Chiroptical Activity
J. Phys. Chem. C , 118, 15506–15515 (2014)

Yuasa, J.*; Ueno, H.; Kawai, T.*
Sign Reversal of Large Circularly Polarized Luminescence Signal by Twisting Motion of a Bidentate Ligand
Chem. Eur. J. , 2014, 20, 8621–8627 (highlighted in the inside cover of Chem.–Eur. J.)

J. Kumar, T. Nakashima, T. Kawai
Inversion of Supramolecular Chirality in Bichromophoric Perylene Bisimides: Influence of Temperature and Ultrasound
Langmuir, 30, 6030-6037 (2014)

T. Inouchi, T. Nakashima, T. Kawai
Charge Transfer Emission of T-Shaped π-Conjugated Molecules: Impact of Quinoid Character on the Excited State Properties
J. Phys. Chem. A., 118, 2591- 2598 (2014)

J. Yuasa, R. Mukai, Y. Hasegawa, T. Kawai
Ratiometric luminescence thermometry based on crystal-field alternation at the extremely narrow 5D0→7F2 transition of europium(III)
Chem. Commun., 50, 7937-7940 (2014) (highlighted in the back cover of ChemComm)

J. Kumar, T. Nakashima, H. Tsumatori, T. Kawai
Circularly Polarized Luminescence in Chiral Aggregates: Dependence of Morphology on Luminescence Dissymmetry
J. Phys. Chem. Lett., 5, 316-321 (2014)

2013

H. Maeda, W. Hane, Y. Bando, Y. Terashima, Y. Haketa, H. Shibaguchi, T. Kawai, M. Naito, K. Takaishi, M. Uchiyama, A. Muranaka
Chirality Induction by Formation of Assembled Structures Based on Anion-Responsive π-Conjugated Molecules
Chem. Eur. J., 19, 16263-16271 (2013)

Y. Nonoguchi, K. Ohashi, R. Kanazawa, K. Ashiba, K. Hata, T. Nakagawa, C. Adachi, T. Tanase, T. Kawai
Systematic Conversion of Single Walled Carbon Nanotubes into n-type Thermoelectric Materials by Molecular Dopants
Scientific Reports, 3, 3344-3351 (2013)

J. Kumar, T. Nakashima, H. Tsumatori, M. Mori, M. Naito, T. Kawai
Circularly Polarized Luminescence in Supramolecular Assemblies of Chiral Bichromophoric Perylene Bisimides
Chem. Eur. J., 19, 14090-14097 (2013)

T. Nakashima, K. Yamamoto, Y. Kimura, T. Kawai
Chiral Photoresponsive Tetrathiazoles Giving Snapshots of Folding States
Chem. Eur. J., 19, 16972-16980 (2013)

J. Yuasa, M. Dan, T. Kawai
Phosphorescent Properties of Metal-free Diphosphine Ligands and Effects of Copper Binding
Dalton Transactions, 42, 16096-16101 (2013)

S. Hirohara, K. Sharyo, Y. Kawasaki, M. Totani, A. Tomotsuka, R. Funasako, N. Yasui, Y. Hasegawa, J. Yuasa, T. Nakashima, T. Kawai, M. Kawaichi, M. Obata, M. Tanihara
Trans-Bisglycoconjugation is an Efficient and Robust Architecture for PDT Photosensitizers based on 5,10,15,20-Tetrakis(pentafluorophenyl)porphyrin Derivatives
Bull. Chem. Soc. Jpn., (in press)

F. Koyama, T. Kawai
Photochemical reaction between diphenylamine and 1,1,1-tribromoethane and photo-induced pattern formation
Dyes and Pigments, 98, 323-326 (2013)

M. Taguchi, T. Nakagawa, T. Nakashima, C. Adachi, T. Kawai
Photo-patternable electroluminescence based on one-way photoisomerization reaction of tetraoxidized triangle terarylenes
Chem. Commun., 49, 6355-6458 (2013)

A. Kusumaatmaja, T. Ando, K. Terada, S. Hirohara, T. Nakashima, T. Kawai, T. Terashima, M. Tanihara
Synthesis and Photoproperties of Eu(III)-Bearing Star Polymers as Luminescent Materials
J. Polym. Sci. Part A: Polym. Chem., 51(12), 2527-2535 (2013)

J. Yuasa, T. Ohno, H. Tsumatori, R. Shiba, H. Kamikubo, M. Kataoka, Y. Hasegawa, T. Kawai
Fingerprint signatures of lanthanide circularly polarized luminescence from proteins covalently labeled by a b-diketonate europium(III) chelate
Chem. Commun., 49, 4604-4606 (2013) (highlighted in the inside cover of ChemComm)

F. Koyama, T. Kawai
Efficient Photopolymerization of Diphenylamine Based on Ground-state Charge Transfer Complex
Chem. Lett., 42, 324-326 (2013)

T. Inouchi, T. Nakashima, T. Kawai
Origin of the Emission Property of π-Conjugated Molecules Having an Acid Responsive Benzimidazole Unit
Asian J. Org. Chem., 2, 230-238 (2013)

N. Inukai, T. Kawai, J. Yuasa
Two Distinct Thermal Stabilities of DNA and Enzymatic Activities of DNase I in a Multistep Assembly with Carbazole Ligands. Different Binding Characteristics for Duplex and Quadruplex DNA
Chem. Eur. J., 19, 5938-5947 (2013)

2012

K. Goto, R. Yamaguchi, S. Hiroto, H. Ueno, T. Kawai, H. Shinokubo
Intermolecular Oxidative Annulation of 2-Aminoanthracenes to Diazaacenes and Aza[7]helicences
Angew. Chem. Int. Ed., 51, 10333-10336 (2012)

T. Nakashima, Y. Kajiki, S. Fukumoto, M. Taguchi, S. Nagao, S. Hirota, T. Kawai
Efficient Oxidative Cycloreversion Reaction of Photochromic Dithiazolylthiazole
J. Am. Chem. Soc., 134, 19877-19883 (2012)

S. Hirohara, Y. Kawasaki, R. Funasako, N. Yasui, M. Totani, H. Alitomo, J. Yuasa, T. Kawai, C. Oka, M. Kawaichi, M. Obata, M. Tanihara
Sugar and Heavy Atom Effects of Glycoconjugated Chlorin Palladium Complex on Photocytotoxicity
Bioconjugate Chem., 23, 1881-1890 (2012)

Y. Haketa, Y. Bando, K. Takaishi, M. Uchiyama, A. Muranaka, M. Naito, H. Shibaguchi, T. Kawai, and H. Maeda
Asymmetric Induction in the Preparation of Helical Receptor-Anion Complexes: Ion-Pair Formation with Chiral Cations
Angew. Chem., Int. Ed., 51, 1-6 (2012)

X. Liu, Y. Adachi, Y. Tomita, J. Oshima, T. Nakashima, and T. Kawai
High-order nonlinear optical response of a polymer nanocomposite film incorporating semiconducotor CdSe quantum dots
Optics Express, 20, 12, 13457-13469 (2012)

H. Nakagawa, T. Nakashima, and T. Kawai
Subsequent Chemical Reaction of Photochromic 4,5-Dibenzothienylthiazoles
Eur. J. Org. Chem., 2012, 4493-4500 (2012)

T. Harada, H. Tsumatori, K. Nishiyama, J. Yuasa, Y. Hasegawa, and T. Kawai
Nona-coordinated chiral Eu(III) complexes with stereoselective ligand-ligand noncovalent interactions for enhanced circularly polarized luminescence
Inorg. Chem., 51 (12), 6476-6485 (2012)

T. Ikeda, T. Masuda, T. Hirao, J. Yuasa, H. Tsumatori, T. Kawai and T. Haino
Circular dichroism and circularly polarized luminescence triggered by self-assembly of tris(phenylisoxazolyl)benzenes possessing a perylenebisimide moiety
Chem. Commun., 2012, 48, 6025-6027 (2012)

Y. Kobayashi, Y. Nonoguchi, L. Wang, T. Kawai, N. Tamai
Dual Transient Bleaching of Au/PbS Hybrid Core/Shell Nanoparticles
J. Phys. Chem. Lett., 3, 1111-1116 (2012)

Y. Kuramochi, T. Nakagawa, T. Yokoo,J. Yuasa,T. Kawai and Y. Hasegawa
Eu(III) Emission Band Changes Caused by Peripheral C-H/O Hydrogen Bonding
Dalton Transactions, 41, 6634-6640 (2012)

T. Nakashima, H. Nakao, A. Tanaka, Y. Hasegawa, T. Kawai
Synthesis of PbS/EuS Core/shell Nanocrystals
Chem. Lett., 41, 412-414 (2012)

Y. Kutsunugi, C. Coudret, J.C. Micheau, T. Kawai
Photomodulation of the proton affinity and acid gated photochromism of a novel dimethylaminophenyl thiazole diarylethene
Dyes and Pigments, 92 (2), 838-846 (2012)

S. Fukumoto, T. Nakashima, T. Kawai
Synthesis and Photochromic Properties of a Dithiazolylindole
Dyes and Pigments, 92 (2), 868-871 (2012)

2011

S. Hatano, K.Fujita, N. Tamaoki, T. Kaneko, T. Nakashima, M. Naito, T. Kawai, J. Abe
Reversible Photogeneration of a Stable Chiral Radical-Pair from a Fast Photochromic Molecule
J. Phys. Chem. Lett., 2 (21), 2680-2682 (2011)

Y. Nonoguchi, T. Nakashima, A. Tanaka, K. Miyabayashi, M. Miyake, T. Kawai
Oligomerization of Cadmium Chalcogenide Nanocrystals into CdTe-Containing Superlattice Chains
Chem. Commun., 47, 11270-11272 (2011)

M. Taguchi, T. Nakagawa, T. Nakashima, T. Kawai
Photochromic and fluorescence switching properties of oxidized triangle terarylenes in solution and in amorphous solid states
J. Mater. Chem. , 21 (43), 17425-17432 (2011)

Y. Hasegawa, R. Hieda, K. Miyata, T. Nakagawa, T. Kawai
Brilliant Triboluminescence of Lanthanide Coordination Polymer with Low-vibrational Frequency and Non-centrosymmetric Structural Networks
Eur. J. Inorg. Chem., 4978-4984 (2011)

T.Nakashima , R. Fujii, T. Kawai
Regulation of Folding and Photochromic Reactivity of Terarylenes through a Host-Guest Interaction
Chem. Eur. J., 17, 10951-10957 (2011)

M. Saitoh, A. Balch, J. Yuasa, K. Tada, M. Onoda, T. Nakashima, T.Kawai
Highly Photoluminescent Nanocrystals based on a Gold(I) Complex and their Electrophoretic Patterning
Langmuir, 27, 10947-10952 (2011)

N. Inukai, T. Kawai, J. Yuasa
Mechanistic Understanding of Multistep Assembly of DNA with Carbazole Ligand by Simple Adjustment of Host-Guest Concentrations
Chem. Commun., 47 (32), 9128-9130, (2011)

S. Fukumoto, T. Nakashima, T. Kawai
Intramolecular Hydrogen Bonding in a Triangle Dithiazolyl-azaindole for Efficient Photoreactivity in Polar and Non-polar Solvents
Eur. J. Org. Chem, 26, 5047-5053, (2011)

T. Inouchi, T. Nakashima, M. Toba, T. Kawai
Preparation and Acid-responsive Photophysical Properties of T-shaped π-Conjugated Molecules Having a Benzimidazole Junction
Chem. Asian J. , 6 (11), 3020-3027 (2011)

H. Maeda, Y. Bando, K. Shimomura, I. Yamada, M. Naito, K. Nobusawa, H. Tsumatori, T. Kawai
Chemical-Stimuli-Controllable Circularly Polarized Luminescence from Anion-Responsive π-Conjugated Molecules
J. Am. Chem. Soc. , 133(24), 9266-9269, (2011)

J. Yuasa, T. Ohno, K. Miyata, H. Tsumatori, Y. Hasegawa, T. Kawai
Noncovalent Ligand-to-Ligand Interactions Alter Sense of Optical Chirality in Luminescent Tris(β-diketonate) Lanthanide(III) Complexes Containing a Chiral Bis(oxazolinyl) Pyridine Ligand
J. Am. Chem. Soc. , 133, 9892-9902, (2011)

Y. Hayakawa, Y. Nonoguchi, H. P. Wu, E. W. -G. Diau, T. Nakashima, T. Kawai
Rapid Preparation of Highly Luminescent CdTe Nanocrystals in an Ionic Liquid via a Microwave-assisted Process
J. Mater. Chem, 21(24), 8849-8853, (2011)

M. Saito, J. Yuasa, K. Tada, M. Onoda, T. Nakashima, T. Kawai
Fabrication of Highly Photoluminescent Gold(I) Nanorods and their Electrophoretic Patterning
Physics Procedia, 14, 52-57 (2011)

J. Yuasa, A. Mitsui, T. Kawai
π-π Emission from a Tetrazine Drivative Complexed with Zinc Ion in Aqueous Solution: A Unique Water-Soluble Fluorophore
Chem. Commun, 47, 5807-5809 (2011)

H. Tsumatori, T. Harada, J. Yuasa, Y. Hasegawa, T. Kawai
Circularly Polarized Light from Chiral Lanthanide(III) Complexes in Single Crystals
Appl. Phys. Express, 4, 011601 (2011)

M. Toba, T. Nakashima, T. Kawai
Synthesis, Optical and Electrochemical Properties of Arylenevinylene-based π-Conjugated Polymers with Imidazolium Units in the Main Chain
J. Polym. Sci. Part A: Polym. Chem., 49, 1895-1906 (2011)

S. Kishimoto, T. Nakagawa, T. Kawai, Y. Hasegawa
Enhanced Near-infrared Luminescence of Yb(III) Complexes with Phosphine Oxide and Hexafluorocetylacetonate Ligands (Selected Paper for Cover Pictures)
Bull. Chem. Soc. Jpn., 84, 148-154 (2011)

S. Fukumoto, T. Nakashima and T. Kawai
Photon-Quantitative Reaction of a Dithiazolylarylene in Solution (Hot Paper)
Angew. Chem., Int. Ed., 50, 1565-1568 (2011)

A. Tanaka, H. Kamikubo, M. Kataoka, Y. Hasegawa, T. Kawai
Size-controlled Aggregation of Cube-shaped EuS Nanocrystals with Magneto-optic Properties in Solution Phase
Langmuir, 27, 104-108 (2011)

S. Fukumoto, T. Nakagawa, S. Kawai, T. Nakashima, T. Kawai,
Syntheses and Photochromic Properties of Diaryl Acenaphthylene Derivatives
Dyes and Pigments, 89, 297-304 (2011)

K. Miyata, T. Nakagawa, R. Kawakami, Y. Kita
K. Sugimoto, T. Nakashima, T. Harada, T. Kawai, Y. Hasegawa
Remarkable Luminescence Properties of Lanthanide Complexes with Asymmetric Dodecahedron Structures
Chem. Eur. J., 17, 521-528 (2011)

 

2010

Y. Hasegawa, T. Nakagawa, T. Kawai
Recent progress of luminescent metal complexes with photochromic units
Coordination Chemistry Reviews., 254, 2643-2651 (2010)

M. Saitoh, A. L. Balch, J. Yuasa, T. Kawai
Effects of Counter Anions on Intense Photoluminescence of 1-D Chain Gold(I) Complexes
Inorg. Chem., 49, 7129-7134 (2010)

妻鳥 紘之、河合 壯
分子凝集構造のキラリティー解析を目指した円偏光蛍光顕微鏡の開発 (in Japanese)
光学 39, 230-234 (2010)

T. Ogawa, J. Yuasa, T Kawai
Highly Selective Ratiometric Color Change by Zinc-Assited Self-Assembly Processes
Angew. Chem., Int. Ed., 49, 5110-5114 (2010)

H. Tsumatori, T. Nakashima, T. Kawai
Observation of Chiral Aggregate Growth of Perylene Derivative in Opaque Solution by Circularly Polarized Luminescence (CPL)
Org. Lett., 12, 2362-2365 (2010)

J. Yuasa, T. Ogawa, T Kawai
Remarkable Rate Acceleration of [4+2] Cyclodimerization of an Ethynylanthracene Derivative
Chem. Commun., 46, 3693-3695 (2010)

N. Inukai, J. Yuasa, T Kawai
Reversible Modulation of π-Association between 3,6-Disubstituted Carbazole Ligands in a Multistep Assembling Process
Chem. Commun., 46, 3929-3931 (2010)

A. Tanaka, H. Kamikubo, Y. Doi, Y. Hinatsu, M. Kataoka, T Kawai, Y Hasegawa
Self-Assembly and Enhanced Magnetic Properties of Three-Dimensional Superlattice Structures Composed of Cube-Shaped EuS Nanocrystals
Chem. Mater., 22, 1776-1781 (2010)

 

2009

X. Liu, Y. Tomita, J. Oshima, K. Chikama, K. Matsubara, T. Nakashima, T. Kawai
Holographic Assembly of Semiconductor CdSe Quantum Dots in Polymer for Volume Bragg Grating Structures with Diffraction Efficiency Near 100%
Appl. Phys. Lett., 95, 261109 (2009)

Y. Hasegawa, R. Hieda, T. Nakagawa, T. Kawai
Metal-Ion Sensing Europium(III) Complexes with Bidentate Phosphine Oxide Ligands Containing a 2,2'-Bipyridine Framework
Helv. Chim. Acta, 2238-2248 (2009)

T. Harada, Y. Nakano, M. Fujiki, M. Naito, T. Kawai, Y. Hasegawa
Circularly Polarized Luminescence of Eu(III) Complexes with Point- and Axis-Chiral Ligands Dependent on Coordination Structures
Inorg. Chem., 48, 11242-11250 (2009)

M. Toba, T. Nakashima, T. Kawai
Phenyleneethynylene and Thienyleneethynylene-based pai-Conjugated Polymers with Imidazolium Units in the Main Chain
Macromolecules, 42, 8068-8075 (2009)

K. Miyata, Y. Hasegawa, Y. Kuramochi, T. Nakagawa, T. Yokoo, T. Kawai
Characteristic Structures and Photophysical Properties of Nine-Coordinated Europium(III) Complexes with Tandem-connected Tridentate Phosphane Oxide Ligands
Eur. J. Inorg. Chem., 4777-4785 (2009)

T. Nakagawa, Y. Hasegawa, T. Kawai
Non-destructive Luminescence Intensity Readout of a Photochromic Lanthanide(III) Complex
Chem. Commun., 45, 5630-5632 (2009)

T. Nakashima, Y. Kobayashi, T. Kawai
Optical Activity and Chiral Memory of Thiol-Capped CdTe Nanocrystals
J. Am. Chem. Soc., 131, 10342-10343 (2009)

Y. Nonoguchi, T. Nakashima, T. Kawai
Tuning Band Offsets of Core/shell CdS/CdTe Nanocrystals
Small, 5, 2403-2406 (2009)

B. Cormary, I. Malfant, L. Valade, S. Kawai, T. Kawai
Photochromic Nanocomposite Films of Mononitrosyl Complexes Embedded in Polymer Matrices
Inorg. Chem. Commun., 12, 769-772 (2009)

S. Kawai, T. Nakashima, Y. Kutsunugi, H. Nakagawa, H. Nakano, T. Kawai.
Photochromic Amorphous Molecular Materials Based on Dibenzothienylthiazole Structure
J. Mater. Chem., 19, 3606-3611 (2009)

C. Coudret, T. Nakagawa, T. Kawai, J. -C. Micheau
Weak Acid Triggers the Ring Opening of an Otherwise Long-Lived Triangle Terthiazole Closed Isomer
New J. Chem., 33, 1386-1392 (2009)

Y. Nonoguchi, T. Nakashima, T. Kawai
Low-temperature Observation of Photoinduced Electron Transfer from CdTeNanocrystals
J. Phys. Chem. C, 113, 11464-11468 (2009)

Y. Kutsunugi, S. Kawai, T. Nakashima, T. Kawai
Photochromic Properties of Terarylene Derivatives Having π-conjugation unit on their central aromatic ring
New J. Chem., 33, 1368-1373 (2009)

A. Tanaka, Y. Hasegawa, H. Kamikubo, M. Kataoka, T. Kawai
Self-aggregation of magnetic semiconductor EuS nanocrystals
Thin Solid Films, 870-872 (2009)

Y. Hasegawa, A. Tanaka, T. Doi, Y. Hinatsu, K. Fujita, K. Tanaka, T.Kawai,
Enhanced Faraday Rotation of Cube-Shaped EuS Nanocrystals with a Magnetic Coercive Field
J. Phys., Conf. Ser., in press (2009)

H. Nakagawa, S. Kawai, T. Nakashima, T. Kawai
Synthesis and Photochemical Reactions of Photochromic Terarylene having Leaving Methoxy Group
Org. Lett., 11, 1475-1478 (2009)

H. Tsumatori, T. Nakashima, J. Yuasa, T. Kawai
Enhanced Circularly Polarized Emission of Chiral Dimer of π-conjugated Perylene in Opaque Film
Synth. Met., 152, 952-954 (2009)

A. Tanaka, T. Adachi, Y. Hasegawa, T. Kawa
Crystal Growth of Nanoscaled Europium Selenide Having Characteristic Crystal Shapes
J. Alloy Comp., 488, 538-540 (2009)

H. Kawai, C. Zhao, S. Tsuruoka, T. Yoshida, Y. Hasegawa, T. Kawai
Emission properties of Sm(III) complexes having remarkably deep-red emission band
J. Alloy Comp., 488, 612-614 (2009)

T. Harada, Y. Hasegawa, Y. Nakano, M. Fujiki, M. Naito, T. Wada, Y. Inoue and T. Kawai,
Circularly Polarized Luminescence from Chiral Eu(III) Complex with High Emission Quantum Yield,
J. Alloy Comp., 488, 599-602 (2009)

T. Nakashima, K. Miyamura, T. Sakai, T. Kawai
Photo-, Solvent-, and Ion-Controlled Multichromism of Imidazolium-Substituted Diarylethenes
Chem.-Eur. J. 15, 1977-1984 (2009)

S. Kishimoto, A. Tanaka, Y. Hasegwa, T. Kawai
Near-Infrared luminescent Polymer Thin Films Containing Yb(III) Complex and Photosensitized dye,
Thin Solid Films, 517, 1497-1499 (2009)

 

2008

Y. Nonoguchi, T. Nakashima, T. Kawai
Temperature-dependent Exciton Recombination Dynamics of CdTe Nanocrystals
J. Phys. Chem. C, 112, 19263-19267 (2008)

Y. Hasegawa, T. Adachi, A. Tanaka, M. Afzaal, P. O'Brien, T. Doi, Y. Hinatsu, K. Fujita, K. Tanaka, T. Kawai
Remarkable Magneto-optical Properties of Europium Selenide Nanoparticles with Wide Energy Gaps
J. Am. Chem. Soc., 130, 5710-5715 (2008)

T. Nakagawa, Y. Hasegawa and T. Kawai
Photo-Responsive Europium(III) Complex Based on Photochromic Reaction
J. Phys. Chem. A, 112, 5096-5103 (2008)

T. Nakashima, M. Goto, S. Kawai, T. Kawai
Photomodulation of Ionic Interaction and Reactivity: Reversible Photoconversion between Imidazolium and Imidazolinium
J. Am. Chem. Soc. 130, 14570-14575 (2008)

Y. Hasegawa, S.-i. Tsuruoka, T. Yoshida, H. Kawai, T. Kawai
Enhanced Deep-Red Luminescence of Tris(hexafluoroacetylacetonato)samarium(III) Complex with Phenanthroline in Solution by Control of Ligand Coordination
J. Phys. Chem. A, 112, 803-807 (2008)

Y. Hasegawa, T. Yasuda, K. Nakamura, T. Kawai
Photosensitized Near-Infrared Luminescence of Yb(III) Complexes Containing Phenanthroline Derivatives
Jpn. J. Appl. Phys., 47, 1192-1195 (2008)

S. Tanaka, M. Toba, T. Nakashima, T. Kawai, K. Yoshino
Photoelectron Spectroscopy Study of Photoresponsive Change in Electronic Structure of Amorphous Photochromic Diarylethene Film
Jpn. J. Appl. Phys., 47, 1215-1218 (2008)

M. Toba, T. Terashima, T. Nakashima, T. Kawai
Electrochemical Preparation of a π-Conjugated Polymer Having Imidazole Group and Its pH-responsive Functionality
Jpn. J. Appl. Phys., 47, 1371-1373 (2008)

Y. Nonoguchi, T. Nakashima, M. Sakashita, T. Kawai
Photopolymerization Sensitized by CdTe Nanocrystals in Ionic Liquid: Highly Efficient Photoinduced Electron Transfer
Jpn. J. Appl. Phys., 47, 1385-1388 (2008)

T. Kawai, A. Kubota, K. Kawamura, H. Tsumatori, T. Nakashima
Single Molecule Fluorescence Auto Correlation Measurement on Anisotropic Molecular Diffusion in Nematic Liquid Crystal
Thin Solid Films, 516, 2666-2669 (2008)

Y. Hasegawa, S. Tsuruoka, T. Yoshida, H. Kawai, T. Kawai
Emission Properties of Sm(III) Complex Having Ten Coordination Structure
Thin Solid Films, 516, 2704-2707 (2008)

T. Adachi, A. Tanaka, Y. Hasegawa, T. Kawai
Preparation of EuSe Nanoparticles from Eu(III) Complex Containing Selenides

Thin Solid Films, 516, 2460-2462 (2008)

Z. Kin, H. Kajii, Y. Hasegawa, T. Kawai, Y. Ohmori
Optical and Electroluminescent Properties of Samarium Complex-Based Organic Light-Emitting Diodes
Thin Solid Films, 516, 2735-2738 (2008)

T. Nakashima, Y. Nonoguchi, T. Kawai
Ionic Liquid-based Luminescent Composite Materials
Polym. Adv. Technol., 19, 1401-1405 (2008)

 

2007

T. Nakagawa, K. Atsumi, T. Nakashima, Y. Hasegawa, T. Kawai
Reversible Luminescence Modulation in Photochromic Europium(III) Complex Having Triangle Terthiazole Ligands
Chem. Lett., 36, 372-373 (2007)

A. Tanaka, T. Sugiura, T. Kawai, Y. Hasegawa
Three Dimensional Optical Trapping and Arrangements of Magnetic Semiconductor EuS Nano-aggregations
Jpn. J. Appl. Phys., 46, L259-L261 (2007)

T. Nakashima, K. Atsumi, S. Kawai, T. Nakagawa, Y. Hasegawa, T. Kawai
Photochromism of Thiazole-Containing Triangle Terarylenes
Eur. J. Org. Chem., 3212-3218 (2007)

S. Kawai, T. Nakashima, K. Atsumi, T. Sakai, M. Harigai, Y. Imamoto, H. Kamikubo, M. Kataoka, T. Kawai
Novel Photochromic Molecules Based on 4,5-Dithienyl Thiazole with Fast Thermal Bleaching Rate
Chem. Mater. 19, 3479-3483 (2007)

T. Kawai, K. Kawamura, H. Tsumatori, M. Ishikawa, M. Naito, M. Fujiki, T. Nakashima
Circularly Polarized Luminescence of a Fluorescent Chiral Binaphtylene-perylenebiscarboxydiimide Dimer
ChemPhysChem, 8, 1465-1468 (2007)

Y. Nonoguchi, T. Nakashima, T. Kawai
Size- and Temperature-Dependent Emission Properties of Zinc-blende CdTe Nanocrystals in Ionic Liquid
J. Phys. Chem. C, 111, 11811-11815 (2007)

T. Nakashima, M. Sakashita, Y. Nonoguchi, T. Kawai
Sensitized Photopolymerization of an Ionic Liquid-Based Monomer by Using CdTeNanocrystals
Macromolecules, 40, 6540-6544 (2007)

T. Terashima, T. Nakashima, T. Kawai
Engineering Control Over the Conformation of the Alkyne‐Aryl Bond by the Introduction of Cationic Charge
Org. Lett., 9, 4195-4198 (2007)

 

2005

T. Nakashima, T. Sakakibara, T. Kawai
Highly Luminescent CdTe Nanocrystal-Polymer Composites Based on Ionic Liquid
Chem. Lett., 34, 1410-1411 (2005)

T. Nakashima, T. Kawai
Quantum Dots-Ionic Liquid Hybrids: Efficient Extraction of Cationic CdTe Nanocrystals into an Ionic Liquid
Chem. Commun., 1643-1645 (2005)

T. Kawai, Y. Nakashima, M. Irie
A Novel Photoresponsive p-Conjugated Polymer Based on Diarylethene and Its Photoswitching Effects in Electrical Conductivity
Adv. Mater., 17, 309-314 (2005)

 

2004

T. Kawai, S. Yoshihara, Y. Iwata, T. Fukaminato, M. Irie
Anisotropic Translational Diffusion of Single Fluorescent Perylene Molecules in a Nematic Liquid Crystal
ChemPhysChem, 5, 1606-1609 (2004)