Performance of chromophore-type electrochromic devices employing indium tin oxide nanorod optical amplification

Jen Hsien Huang, Min Hsiang Hsu, Yu Sheng Hsiao, Peilin Chen, Peichen Yu, Chih Wei Chu*

*Corresponding author for this work

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

In this study, we used transparent and conductive indium tin oxide (ITO) nanorods, prepared through electron-beam evaporation onto ITO glass substrates, as electrodes for viologen-based electrochromic devices (ECDs). Although the shapes of these ITO nanorods could be controlled simply by manipulating the evaporation time, they always maintained their high optical transmittance. Scanning electron microscopy images revealed that the ITO rods were uniformly distributed on the ITO glass; they had large surface areas for the tethering of electrochromic molecules. As a result, the ITO nanorods functioned as optical amplifiers in the viologen-based ECDs, increasing the color contrast [ΔT (%)] from 38% to 61%.

Original languageEnglish
Pages (from-to)191-197
Number of pages7
JournalSolar Energy Materials and Solar Cells
Volume98
DOIs
StatePublished - 1 Mar 2012

Keywords

  • Electrochemical
  • Electrochromic
  • ITO nanorod
  • Surface area
  • Viologen

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