ナノ物質の構造と物理的・化学的物性の関係性を明らかにし、新奇物性発現とその応用を目指して、ナノ物質の構造制御法の開発と構造評価測定装置の開発を行っています。
また、異なる物質が接する界面におけるダイナミクス観察を通して、色素増感太陽電池における光電変換など機能発現機構を明らかにし、エネルギーの高効率利用を目指したデバイス作製へと展開していきます。
Recent publication
"Depletion Force Optimization for High-Purity Gold Nanotriangles Prepared Using Different Growth Methods"
R. Yamada, R. Kimura and S. Kuwahara
RSC Adv., 13, 32143 (2023). DOI: 10.1039/D3RA05955C
"Three-Dimensional Building of Anisotropic Gold Nanoparticles under Confinement in Submicron Capsules"
R. Yamada, M. Kuwahara, and S. Kuwahara
Nanoscale Adv., 5, 5780 (2023). DOI: 10.1039/D3NA00683B
"Copper sulfide nanoribbon growth triggered by
carbon nanotube aggregation via dialysis"
T. Tanaka, M. Kurihara, M. Kuwahara and S. Kuwahara
RSC Adv., 12, 31363 (2022). DOI: 10.1039/d2ra04832a
"Transient electron energy-loss spectroscopy of optically stimulated gold nanoparticles using picosecond pulsed electron beam"
M. Kuwahara, L. Mizuno, R. Yokoi, H. Morishita, T. Ishida, K. Saitoh, N Tanaka, S. Kuwahara and T. Agemura
Appl. Phys. Lett., 121, 143503 (2022). DOI: 10.1063/5.0108266
"Role of constituents for the chirality isolation of single-walled carbon nanotubes by the reversible phase transition of a thermoresponsive polymer"
E. Shimura, T. Tanaka, Y. Kuwahara, T. Saito, T. Sugai and S. Kuwahara
RSC Adv., 10, 24570 (2020). DOI: 10.1039/D0RA04357E
"Localized Surface Plasmon Resonance-Induced Welding of Gold Nanotriangles and the Local Plasmonic Properties for Multicolor Sensing and Light-Harvesting Applications"
S. Kuwahara, Y. Narita, L. Mizuno, H. Kurotsu, H. Yoshino, and M. Kuwahara
ACS Appl. Nano Mater., 3, 5172 (2020). DOI: 10.1021/acsanm.0c00608
"Quantum Yield Enhancement in Graphene Quantum Dots via Esterification with Benzyl Alcohol"
S. Tachi, H. Morita, M. Takahashi, Y. Okabayashi, T. Hosokai, T. Sugai and S. Kuwahara
Sci. Rep., 9, 14115 (2019). DOI: 10.1038/s41598-019-50666-3
"Aqueous synthesis of protectant-free copper nanocubes by a disproportionation reaction of Cu2O on synthetic saponite"
M. Miyagawa, M. Usui, Y. Imura, S. Kuwahara, T. Sugai and H. Tanaka
Chem. Commun., 54, 8454 (2018). DOI: 10.1039/C8CC03182G
"Selective extraction of semiconducting single-walled carbon nanotubes with a thermoresponsive polymer"
E. Shimura, T. Sugai and S. Kuwahara
Chem. Commun., 54, 3026 (2018). DOI: 10.1039/C8CC00748A
"Charge carrier kinetics in hematite with NiFeOx coating in aqueous solutions: Dependence on bias voltage"
W. Y. Sohn, J. E. Thorne, Y. Zhang, S. Kuwahara, Q. Shen, D. Wang and K. Katayama
J. Photochem. Photobio. A, 353, 344 (2018). DOI: 10.1016/j.jphotochem.2017.11.029