光機能物理化学研究室

15.Thermodynamic equilibrium between locally excited and charge transfer states in perylene–phenothiazine dyads
Issei Fukunaga, Shunsuke Kobashi, Yuki Nagai, Hiroki Horita, Hiromitsu Maeda, Yoichi Kobayashi
Beilstein J. Org. Chem.2025,21, 1577–1586.DOI:10.3762/bjoc.21.121

14.Photochromic Phenoxyl–Imidazolyl Radical Complex via Homolytic C–O Bond Cleavage
Daisuke Tanaka, Shunsuke Kobashi, Hiroaki Yamashita, Yuki Nagai, Jiro Abe, Yoichi Kobayashi
J. Phys. Chem. Lett.2025, ASAP. DOI:10.1021/acs.jpclett.5c01791

13.Aggregation-Controlled Dual-Emissive Room-Temperature Phosphorescence in Gold(I)N-Heterocyclic Carbene Complexes
Kumar Siddhant, Arushi Rawat, Kohsuke Matsumoto, Yuki Nagai, Yoichi Kobayashi, Ganesan Prabusankar, Osamu Tsutsumi*
J. Phys. Chem. C2025, 129, 11131–11142. DOI:10.1021/acs.jpcc.5c01776

12.A high gain, low loss, and low-threshold spherical organic laser based on highly miscible excited-state intramolecular proton transfer dyes
Shunya Aoyagi, Toshiya Omori, Tsukasa Kawamura, Tsuneaki Sakurai,* Masaki Shimizu, Kenichi Yamashita, Yuki Nagai, Yoichi Kobayashi, Yohei Yamamoto,* Hiroshi Yamagishi*
Chem. Commun.2025, 61, 5589–5592. DOI:10.1039/D4CC06784C

11. Relaxation dynamics of higher excited states of perylene-substituted perylene bisimide derivatives
Yoichi Kobayashi,* Daiki Fukuda, Yoshinori Okayasu, Yuki Nagai
J. Chem. Phys.2024, 161, 034308. DOI:10.1063/5.0205882

10. Multiphoton-driven Photocatalytic Defluorination of Persistent Perfluoroalkyl Substances and Polymers by Visible Light
Yuzo Arima, Yoshinori Okayasu, Daisuke Yoshioka, Yuki Nagai, Yoichi Kobayashi*
Angew. Chem. Int. Ed.2024, 63, e202408687. DOI:10.1002/anie.202408687

9. Photodoping-based broadband photochromism of semiconductor nanocrystals under air operated by a supramolecular gel
Yuki Nakai, Yuki Nagai,* Yoshinori Okayasu, Yoichi Kobayashi*
Chem. Commun.2024, 60, 6492–6495. DOI:10.1039/D4CC01854K (Selected as Journal Inside Front Cover)

8. A Nonlinear Photochromic Reaction Based on Sensitizer-Free Triplet-Triplet Annihilation in a Perylene-Substituted Rhodamine Spirolactam
Genki Kawai, Yuki Nagai,* Kanna Tsuji, Yoshinori Okayasu, Jiro Abe, Yoichi Kobayashi*
Angew. Chem. Int. Ed.2024, 63, e202404140. DOI:10.1002/anie.202404140 (Selected as Journal Cover & Hot Paper)

7. Effect of the bulkiness of alkyl ligands on the excited-state dynamics of ZnO nanocrystals
Yuto Toyota, Masahiko Sagawa, Shohei Yamashita, Yoshinori Okayasu, Yuki Nagai, Yohei Okada,* and Yoichi Kobayashi*
RSC Adv.2024, 14, 2796–2803. DOI:10.1039/D3RA05166H

6. Photochromic Clock Reaction of Anthraquinone in Supramolecular Gel and Its Application to Spatiotemporal Patterning
Sota Fujisaki, Yuki Nagai,* Yoshinori Okayasu, and Yoichi Kobayashi*
Mater. Adv.2024, 5, 1468–1472. DOI:10.1039/D3MA00821E

5. Unraveling Steric Effects on Ultrafast Bond-Dissociation Processes of Photochromic Radical Complexes
Tomoya Seri, Yoshinori Okayasu, Yuki Nagai, Jiro Abe,* and Yoichi Kobayashi*
J. Phys. Chem. Lett.2023, 14, 11474–11479. DOI:10.1021/acs.jpclett.3c03232

4. Photochromic dinuclear iridium(iii) complexes having phenoxyl-imidazolyl radical complex derivatives
Yoshinori Okayasu,Takuya Miyahara, Rintaro Shimada, Yuki Nagai, Akira Sakamoto, Jiro Abe* and Yoichi Kobayashi*
Chem. Commun.2023, 59, 8850–8853. DOI:10.1039/D3CC02208K

3. Near-Infrared-Light Triggered Electron Transfer from Ag2S Nanocrystals to Perylene Bisimide
Yuki Nagai, Tadashi Watanabe, Daisuke Yoshioka, Yoshinori Okayasu, Naoto Tamai, Yoichi Kobayashi*
ECS J. Solid State Sci. Technol. 2022, 11, 101001. DOI: 10.1149/2162-8777/ac93b2

2. Near-infrared vapochromism in lipid-packaged mixed-valence coordination polymers
Yuki Nagai, Masa-aki Morikawa and Nobuo Kimizuka*
Chem. Commun.2022, 58, 2112–2115. DOI: 10.1039/D1CC06723K (Selected as Journal Cover & Hot Articles 2022)

1. Light-Triggered, Non-Centrosymmetric Self-Assembly of Aqueous Arylazopyrazoles at the Air–Water Interface and Switching of Second-Harmonic Generation
Yuki Nagai, Keita Ishiba, Ryosuke Yamamoto, Teppei Yamada, Masa-aki Morikawa and Nobuo Kimizuka*
Angew. Chem. Int. Ed.2021, 60, 6333–6338. DOI: 10.1002/anie.202013650

1.Cadmium carboxylate preparation method impacts the synthesis of CdSe Nanoplatelets through differences in dissolution kinetics
Benoit Wagnoni,* Rodolphe Valleix, Benjamin Abecassis*
Chem. Mat.2025. DOI:10.1021/acs.chemmater.4c03498

2.FRET-mediated collective blinking of self-assembled stacks of CdSe semiconducting nanoplatelets
Zakarya Ouzit, Jiawen Liu, Juan Pintor, Benoît Wagnon, Lilian Guillemeney, Benjamin Abécassis, Laurent Coolen*
ACS Photonics,2023, 10, 421−429.DOI:10.1021/acsphotonics.2c01441

3.Luminescence Dynamics of Single Self-Assembled Chains of Förster (FRET)-Coupled CdSe Nanoplatelets
Z Ouzit, G Baillard, J Liu, B Wagnon, L Guillemeney, B Abécassis, Laurent Coolen*
J. Phys. Chem. Lett. 2023, 14, 6209−6216. DOI: 10.1021/acs.jpclett.3c00908

4.Room temperature synthesis of CdSe/CdS triangular nanoemitters and their stabilization in colloidal state and sol–gel glass
Anna Lesiak, Benoit Wagnon, Denis Chateau, Benjamin Abécassis, Stephane Parola*
RSC Adv.2023, 13(41), 28407-28415. DOI: 10.1039/D3RA04992B

5.Curvature and self-assembly of semi-conducting nanoplatelets
Guillemeney Lilian, Lermusiaux Laurent, Landaburu Guillaume, Wagnon Benoit, Abécassis Benjamin*
Commun. Chem. 2022, 5, 1-12. DOI:10.1038/s42004-021-00621-z

1.Effect of the bulkiness of alkyl ligands on the excited-state dynamics of ZnO nanocrystals
Yuto Toyota, Masahiko Sagawa, Shohei Yamashita, Yoshinori Okayasu, Yuki Nagai, Yohei Okada*, and Yoichi Kobayashi*
RSC Adv.2024, 14, 2796–2803. DOI:10.1039/D3RA05166H

2. Synthesis of fully fused tetrapyrazinoporphyrazine polymers bearing three-dimensional structures controlled by steric repulsion
Kosuke Watanabe, Teruki Toya, Yuto Toyota, Yoichi Kobayashi, Junichi Usuba, Yuh Hijikata, Ryotaro Matsuda, Katsuyuki Nishimura, Haruki Sugiyama, Yasutomo Segawa*
Chem. Commun.2025, 61, 2822–2825. DOI:10.1039/D4CC06293K

1. Photodoping-based broadband photochromism of semiconductor nanocrystals under air operated by a supramolecular gel
Yuki Nakai, Yuki Nagai,* Yoshinori Okayasu, Yoichi Kobayashi*
Chem. Commun.2024, 60, 6492–6495. DOI:10.1039/D4CC01854K (Selected as Journal Inside Front Cover)