Delicate manipulation of cobalt oxide nanodot clusterization on binder-free TiO2-nanorod photoanodes for efficient photoelectrochemical catalysis
By Feng, Han; Liang, Liangliang; Ge, Junyu; Wu, Weiyi; Huang, Zhaohong; Liu, Yu; Li, Lin
Published in Journal of Alloys and Compounds
2019
Abstract
In this work, to probe the crucial role of photo nanosensitizer clusterization played in determining the performance of the photoelectrocatalytic process, an illustrative nano-regional heterostructure was constructed via novel in-situ loading ultra-small cobalt oxide nanodots (<3 nm) onto the surface of titanium dioxide nanorod array grown on FTO substrate. Photoelectrochemical studies showed that photocurrents of TiO2 nanorod anodes could be remarkably improved through loading with CoOx nanosensitizers, benefiting from the broadened light-responsive range and alleviated charge carrier recombination. For the first time, F
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