Plasmon-induced spatial electron transfer between single Au nanorods and ALD-coated TiO2: dependence on TiO2 thickness

Zhaoke Zheng; Takashi Tachikawa; Tetsuro Majima

doi:10.1039/C5CC05898H

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Plasmon-induced spatial electron transfer between single Au nanorods and ALD-coated TiO₂: dependence on TiO₂ thickness†

Zhaoke Zheng,^a Takashi Tachikawa^b and Tetsuro Majima*^a

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* Corresponding authors

^a The Institute of Scientific and Industrial Research (SANKEN), Osaka University, Mihogaoka 8-1, Ibaraki, Osaka 567-0047, Japan
E-mail: majima@sanken.osaka-u.ac.jp

^b Department of Chemistry, Graduate School of Science, Kobe University, 1-1 Rokkodai-cho, Nada-ku, Kobe 657-8501, Japan

Abstract

We employed single-particle photoluminescence (PL) measurements to investigate the interfacial electron transfer between single Au nanorods (NRs) and TiO₂ coated by ALD. Analyzing the energy relaxation path of plasmon-generated hot electrons as well as the PL intensities allowed for the detection and study of the interfacial electron transfer process spatially.

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Article information

DOI: https://doi.org/10.1039/C5CC05898H
Article type: Communication
Submitted: 16 Jul 2015
Accepted: 04 Aug 2015
First published: 04 Aug 2015

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Chem. Commun., 2015,51, 14373-14376

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Plasmon-induced spatial electron transfer between single Au nanorods and ALD-coated TiO₂: dependence on TiO₂ thickness

Z. Zheng, T. Tachikawa and T. Majima, Chem. Commun., 2015, 51, 14373 DOI: 10.1039/C5CC05898H

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