Temperature dependence of spherical electron transfer in a nanosized [Fe14] complex

Wei Huang, Shuqi Wu, Xiangwei Gu, Yao Li, Atsushi Okazawa, Norimichi Kojima, Shinya Hayami, Michael L. Baker, Peter Bencok, Mariko Noguchi, Yuji Miyazaki, Motohiro Nakano, Takumi Nakanishi, Shinji Kanegawa, Yuji Inagaki, Tatsuya Kawae, Gui-Lin Zhuang, Yoshihito Shiota, Kazunari Yoshizawa, Dayu Wu () and Osamu Sato ()
Additional contact information
Wei Huang: Changzhou University
Shuqi Wu: Kyushu University
Xiangwei Gu: Changzhou University
Yao Li: Changzhou University
Atsushi Okazawa: The University of Tokyo
Norimichi Kojima: Toyota Physical and Chemical Research Institute
Shinya Hayami: Kumamoto University
Michael L. Baker: The University of Manchester
Peter Bencok: Science Division
Mariko Noguchi: Osaka University
Yuji Miyazaki: Osaka University
Motohiro Nakano: Osaka University
Takumi Nakanishi: Kyushu University
Shinji Kanegawa: Kyushu University
Yuji Inagaki: Kyushu University
Tatsuya Kawae: Kyushu University
Gui-Lin Zhuang: Zhejiang University of Technology
Yoshihito Shiota: Kyushu University
Kazunari Yoshizawa: Kyushu University
Dayu Wu: Changzhou University
Osamu Sato: Kyushu University

Nature Communications, 2019, vol. 10, issue 1, 1-9

Abstract: Abstract The study of transition metal clusters exhibiting fast electron hopping or delocalization remains challenging, because intermetallic communications mediated through bridging ligands are normally weak. Herein, we report the synthesis of a nanosized complex, [Fe(Tp)(CN)3]8[Fe(H2O)(DMSO)]6 (abbreviated as [Fe14], Tp−, hydrotris(pyrazolyl)borate; DMSO, dimethyl sulfoxide), which has a fluctuating valence due to two mobile d-electrons in its atomic layer shell. The rate of electron transfer of [Fe14] complex demonstrates the Arrhenius-type temperature dependence in the nanosized spheric surface, wherein high-spin centers are ferromagnetically coupled, producing an S = 14 ground state. The electron-hopping rate at room temperature is faster than the time scale of Mössbauer measurements (

Date: 2019
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DOI: 10.1038/s41467-019-13279-y

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