Preparation of PAA/WO3 composite films with enhanced electrochromism via layer-by-layer method

Na Xu; Xiaodong Shen; Sheng Cui; Xibin Yi

doi:10.1515/secm-2016-0052

Preparation of PAA/WO₃ composite films with enhanced electrochromism via layer-by-layer method

Na Xu, Xiaodong Shen, Sheng Cui, Xibin Yi

College of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

The polyacrylic acid/tungsten oxide (PAA/WO₃) composite films with good electrochromic properties have been prepared by a layer-by-layer method. The porous PAA layers were used as a template for the deposition of WO₃, and finally, the composite film showed a network structure with high porosity. The electrochromic performance of the PAA/WO₃ composite film was investigated by means of cyclic voltammogram (CV), chronoamperometry (CA), and transmittance measurements. The PAA/WO₃ film also exhibited a remarkable electrochromism ability with the reversible color change from transparent colorless to dark blue and the transmittance change from 83% to 24% at 620 nm. This research provided a cost-effective approach for the preparation of PAA/WO₃ composite films with controllable microstructure and good electrochromic property.

Original language	English
Pages (from-to)	565-569
Number of pages	5
Journal	IEEE Journal of Selected Topics in Quantum Electronics
Volume	25
Issue number	3
DOIs	https://doi.org/10.1515/secm-2016-0052
State	Published - 25 Apr 2018

Keywords

composite films
electrochromic
layer-by-layer

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10.1515/secm-2016-0052

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title = "Preparation of PAA/WO3 composite films with enhanced electrochromism via layer-by-layer method",

abstract = "The polyacrylic acid/tungsten oxide (PAA/WO3) composite films with good electrochromic properties have been prepared by a layer-by-layer method. The porous PAA layers were used as a template for the deposition of WO3, and finally, the composite film showed a network structure with high porosity. The electrochromic performance of the PAA/WO3 composite film was investigated by means of cyclic voltammogram (CV), chronoamperometry (CA), and transmittance measurements. The PAA/WO3 film also exhibited a remarkable electrochromism ability with the reversible color change from transparent colorless to dark blue and the transmittance change from 83% to 24% at 620 nm. This research provided a cost-effective approach for the preparation of PAA/WO3 composite films with controllable microstructure and good electrochromic property.",

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author = "Na Xu and Xiaodong Shen and Sheng Cui and Xibin Yi",

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AU - Xu, Na

AU - Shen, Xiaodong

AU - Cui, Sheng

AU - Yi, Xibin

PY - 2018/4/25

Y1 - 2018/4/25

N2 - The polyacrylic acid/tungsten oxide (PAA/WO3) composite films with good electrochromic properties have been prepared by a layer-by-layer method. The porous PAA layers were used as a template for the deposition of WO3, and finally, the composite film showed a network structure with high porosity. The electrochromic performance of the PAA/WO3 composite film was investigated by means of cyclic voltammogram (CV), chronoamperometry (CA), and transmittance measurements. The PAA/WO3 film also exhibited a remarkable electrochromism ability with the reversible color change from transparent colorless to dark blue and the transmittance change from 83% to 24% at 620 nm. This research provided a cost-effective approach for the preparation of PAA/WO3 composite films with controllable microstructure and good electrochromic property.

AB - The polyacrylic acid/tungsten oxide (PAA/WO3) composite films with good electrochromic properties have been prepared by a layer-by-layer method. The porous PAA layers were used as a template for the deposition of WO3, and finally, the composite film showed a network structure with high porosity. The electrochromic performance of the PAA/WO3 composite film was investigated by means of cyclic voltammogram (CV), chronoamperometry (CA), and transmittance measurements. The PAA/WO3 film also exhibited a remarkable electrochromism ability with the reversible color change from transparent colorless to dark blue and the transmittance change from 83% to 24% at 620 nm. This research provided a cost-effective approach for the preparation of PAA/WO3 composite films with controllable microstructure and good electrochromic property.

KW - composite films

KW - electrochromic

KW - layer-by-layer

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Preparation of PAA/WO₃ composite films with enhanced electrochromism via layer-by-layer method

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Keywords

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