Self-assembled bundled TiO2 nanowire arrays encapsulated with indium tin oxide for broadband absorption in plasmonic photocatalysis

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

3 Scopus Citations
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Author(s)

  • Hao Huang
  • Qi Hao
  • Xingce Fan
  • Zhengwei Luo
  • Xiangyu Hou
  • Xiaozhi Yang
  • Teng Qiu

Detail(s)

Original languageEnglish
Pages (from-to)27059-27064
Journal / PublicationPhysical Chemistry Chemical Physics
Volume19
Issue number39
Online published14 Sep 2017
Publication statusPublished - 21 Oct 2017

Abstract

In order to enhance photocatalysis by broadening light harvesting, bundled TiO2 nanowire bundle arrays are encapsulated with indium tin oxide (ITO) by a self-assembly technique involving anodization, electrochemical etching, and ITO deposition. The plasmonic photocatalyst, which has a multiscale structure with variable nanoscale gaps as well as microscale funnels, shows broadband localized surface plasmon resonance absorption of 84% in the wavelength range between 400 and 2500 nm. The improved photocatalytic efficiency is demonstrated by methyl orange degradation under sunlight illumination. The improvement stems from enhanced light harvesting arising from the localized surface plasmon resonance of the ITO membrane which extends the light response to the visible and NIR regions and excites hot charge carriers.

Citation Format(s)

Self-assembled bundled TiO2 nanowire arrays encapsulated with indium tin oxide for broadband absorption in plasmonic photocatalysis. / Huang, Hao; Hao, Qi; Fan, Xingce; Luo, Zhengwei; Hou, Xiangyu; Yang, Xiaozhi; Qiu, Teng; Chu, Paul K.

In: Physical Chemistry Chemical Physics, Vol. 19, No. 39, 21.10.2017, p. 27059-27064.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review