Issue 28, 2020, Issue in Progress
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RSC Advances

Hot electron transfer in Zn–Ag–In–Te nanocrystal–methyl viologen complexes enhanced with higher-energy photon excitation†

Tatsuya Kameyama, ORCID logo ab   Kouta Sugiura,a   Susumu Kuwabata,c   Tomoki Okuhata,d   Naoto Tamaid  and  Tsukasa Torimoto ORCID logo *a  

* Corresponding authors

a Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan

b JST, PRESTO, 4-2-8 Hon-cho, Kawaguchi, Saitama 332-0012, Japan

c Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan

d School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen, Sanda, Hyogo 669-1337, Japan
E-mail: torimoto@chembio.nagoya-u.ac.jp

Abstract

The dynamics of hot electron transfer from Zn–Ag–In–Te (ZAITe) nanocrystals (NCs) to adsorbed methyl viologen (MV2+) were investigated by transient absorption spectroscopy. The bleaching of the exciton peak in the ZAITe NC–MV2+ complexes evolved faster than that of ZAITe NCs. The hot electron transfer efficiency increased from 45% to 72% with increasing excitation photon energy.

Graphical abstract: Hot electron transfer in Zn–Ag–In–Te nanocrystal–methyl viologen complexes enhanced with higher-energy photon excitation

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Article information

DOI
https://doi.org/10.1039/D0RA02842H
Article type
Paper
Submitted
28 Mar 2020
Accepted
16 Apr 2020
First published
24 Apr 2020
This article is Open Access
Creative Commons BY license

RSC Adv., 2020,10, 16361-16365

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Hot electron transfer in Zn–Ag–In–Te nanocrystal–methyl viologen complexes enhanced with higher-energy photon excitation

T. Kameyama, K. Sugiura, S. Kuwabata, T. Okuhata, N. Tamai and T. Torimoto, RSC Adv., 2020, 10, 16361 DOI: 10.1039/D0RA02842H

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