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

doi:10.1016/j.solmat.2011.10.027

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

Department of Photonics

Research output: Contribution to journal › Article

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 language	English
Pages (from-to)	191-197
Number of pages	7
Journal	Solar Energy Materials and Solar Cells
Volume	98
DOIs	https://doi.org/10.1016/j.solmat.2011.10.027
State	Published - 1 Mar 2012

Keywords

Electrochemical
Electrochromic
ITO nanorod
Surface area
Viologen

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Huang, J. H., Hsu, M. H., Hsiao, Y. S., Chen, P., Yu, P., & Chu, C. W. (2012). Performance of chromophore-type electrochromic devices employing indium tin oxide nanorod optical amplification. Solar Energy Materials and Solar Cells, 98, 191-197. https://doi.org/10.1016/j.solmat.2011.10.027

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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%.",

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AU - Yu, Peichen

AU - Chu, Chih Wei

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