Issue 2, 2021

Visualization of nano-localized and delocalized oxidation sites for plasmon-induced charge separation

Abstract

Oxidation reaction sites for plasmon-induced charge separation at Au nanocubes on TiO2 were visualized on the basis of deposition and dissolution reactions. For Pb2+ oxidation, PbO2 was deposited selectively at resonance sites of the nanocube, while oxidation polymerization of pyrrole to polypyrrole and oxidative dissolution of Au took place over the entire nanocube surface. The localized and delocalized reaction sites are explained in terms of a relationship between oxidation potentials of the electron donors and potentials of the entire nanocube and localized holes.

Graphical abstract: Visualization of nano-localized and delocalized oxidation sites for plasmon-induced charge separation

Article information

Article type
Communication
Submitted
02 déc. 2020
Accepted
22 déc. 2020
First published
24 déc. 2020

Nanoscale, 2021,13, 681-684

Visualization of nano-localized and delocalized oxidation sites for plasmon-induced charge separation

R. Ogata, H. Nishi, T. Ishida and T. Tatsuma, Nanoscale, 2021, 13, 681 DOI: 10.1039/D0NR08552A

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