1994年4月19日茨城県牛久市出身
連絡先：haru-hirai689[at]g.ecc.u-tokyo.ac.jp
(12) “Effects of phosphine ligand denticity on catalytic activity and durability of gold nanoparticles in the oxidation of benzyl alcohol”,
Yiwei Wu, Shinya Masuda, Kosuke Sakamoto, Haru Hirai, Shinjiro Takano, and Tatsuya Tsukuda*,
Nanoscale, 18, 2837-2843 (2026).
(11) “Programmed Assembly of IrAu12 Nanoclusters into Dimers and Trimers: Electron Microscopy Observation and Spectroscopic Characterization”,
Yuto Fukumoto, Shinjiro Takano, Yosuke Asami, Haru Hirai, Koji Harano*, and Tatsuya Tsukuda*,
Nano Lett., 25, 12248-12254 (2025).
(10) “Substrate-Dependent Role of a Pd Dopant in PdAu12 Catalysts in the Oxidation of p-Substituted Benzyl Alcohols: Promotion of Hydride Abstraction and Reductive Activation of O2”,
Shinya Masuda*, Haru Hirai, Pei Zhao, Shinjiro Takano, Masahiro Ehara, and Tatsuya Tsukuda*,
ACS Catal., 14, 17123-17131 (2024).
(9) “Diphosphine-Protected IrAu12 Superatom with Open Site(s): Synthesis and Programmed Stepwise Assembly”,
Yuto Fukumoto, Tsubasa Omoda, Haru Hirai, Shinjiro Takano, Koji Harano, and Tatsuya Tsukuda*,
Angew. Chem., Int. Ed., 63, e202402025 (2024).
(8) “Introducing Iodide Ligands on IrAu12 Cluster Enhances Phosphorescence Efficiency and Photoredox Activity”,
Haru Hirai, Shinjiro Takano, Shinya Masuda, and Tatsuya Tsukuda*,
ChemElectroChem, 11, e202300669 (2024).
(7) “IrAu12 superatom modified by chiral diphosphines: Doping-induced enhancement of chiroptical activity”,
Haru Hirai, Takuya Nakashima*, Shinjiro Takano, Yukatsu Shichibu, Katsuaki Konishi*, Tsuyoshi Kawai, and Tatsuya Tsukuda*,
J. Mater. Chem. C, 11, 3095-3100 (2023).
(6) “Doping-Mediated Energy-Level Engineering of M@Au12 Superatoms (M = Pd, Pt, Rh, Ir) for Efficient Photoluminescence and Photocatalysis”,
Haru Hirai, Shinjiro Takano, Takuya Nakashima, Takeshi Iwasa, Tetsuya Taketsugu, and Tatsuya Tsukuda*,
Angew. Chem., Int. Ed., 61, e202207290 (2022).
(5) “Photoluminescence of Doped Superatoms M@Au12 (M = Ru, Rh, Ir) Homoleptically Capped by (Ph2)PCH2P(Ph2): Efficient Room-Temperature Phosphorescence from Ru@Au12”,
Shinjiro Takano, Haru Hirai, Takuya Nakashima, Takeshi Iwasa, Tetsuya Taketsugu, and Tatsuya Tsukuda*,
J. Am. Chem. Soc., 143, 10560-10564 (2021).
(4) “Understanding Doping Effects on Electronic Structures of Gold Superatoms: A Case Study of Diphosphine-Protected M@Au12 (M = Au, Pt, Ir)”,
Haru Hirai, Shinjiro Takano, Toshikazu Nakamura, and Tatsuya Tsukuda*,
Inorg. Chem., 59, 17889-17895 (2020).
(3) “Synthesis of trimetallic (HPd@M2Au8)3+ superatoms (M = Ag, Cu) via hydride-mediated regioselective doping to (Pd@Au8)2+”,
Haru Hirai, Shinjiro Takano, and Tatsuya Tsukuda*,
ACS Omega, 4, 7070-7075 (2019).
(2) “Hydride-Mediated Controlled Growth of a Bimetallic (Pd@Au8)2+ Superatom to a Hydride-Doped (HPd@Au10)3+ Superatom”,
Shinjiro Takano, Haru Hirai, Satoru Muramatsu, and Tatsuya Tsukuda*,
J. Am. Chem. Soc., 140, 12314-12317 (2018).
(1) “Hydride-Doped Gold Superatom (Au9H)2+: Synthesis, Structure and Transformation”,
Shinjiro Takano, Haru Hirai, Satoru Muramatsu, and Tatsuya Tsukuda*,
J. Am. Chem. Soc., 140, 8380-8383 (2018).
(3) “露出サイトを持つ IrAu12クラスター：精密合成とプログラム連結”,
福本優斗, 重田翼, 平井遥, 高野慎二郎, 原野幸治, 佃達哉,
ナノ学会会報, 23, 17-22 (2024).
(2) “Tuning Photoluminescence Properties of Au Clusters by Surface Modification and Doping: Lessons from Case Studies of Icosahedral Au13”,
Dennis Alexander Buschmann, Haru Hirai, and Tatsuya Tsukuda*,
Inorg. Chem. Front., 11, 6694-6710 (2024).
(1) “Ligand-protected gold/silver superatoms: current status and emerging trends”,
Haru Hirai, Shun Ito, Shinjiro Takano, Kiichirou Koyasu, and Tatsuya Tsukuda*,
Chem. Sci., 11, 12233-12248 (2020).