Electrochromic performance of hybrid tungsten oxide films with multiwalled-CNT additions

Chung Kwei Lin; Sheng Chung Tseng; Chin Hua Cheng; Chin Yi Chen; Chien Chon Chen

doi:10.1016/j.tsf.2011.08.074

Electrochromic performance of hybrid tungsten oxide films with multiwalled-CNT additions

Chung Kwei Lin, Sheng Chung Tseng, Chin Hua Cheng, Chin Yi Chen, Chien Chon Chen

研究成果: 雜誌貢獻 › 文章 › 同行評審

17 引文斯高帕斯（Scopus）

摘要

In this study, tungsten oxide films were prepared by sol-gel technique. Various amounts of multiwalled carbon nanotubes (MWCNTs) were added during sol-gel process to obtain hybrid WO3/MWCNT films. The original and hybrid films were characterized by thermogravimetric analysis, X-ray diffraction analysis, and scanning electron microscopy analysis, whereas the electrochromic performance was evaluated by measuring changes in the optical transmittance caused by potentiostatic charge-discharge intercalation. The influence on the structure and properties of tungsten oxide film due to MWCNT addition was also investigated. The results showed that all of the films were amorphous and exhibited porous microstructure. The electrochromic performance of pristine WO3 film was improved by adding MWCNTs that served as a template for the growth of WO3 and resulted in more porous microstructure. The hybrid tungsten oxide films with 0.1 wt.% MWCNT addition exhibited the best electrochromic performance.

原文	英語
頁（從 - 到）	1375-1378
頁數	4
期刊	Thin Solid Films
卷	520
發行號	5
DOIs	https://doi.org/10.1016/j.tsf.2011.08.074
出版狀態	已發佈 - 12月 30 2011
對外發佈	是

ASJC Scopus subject areas

電子、光磁材料
表面和介面
表面、塗料和薄膜
金屬和合金
材料化學

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title = "Electrochromic performance of hybrid tungsten oxide films with multiwalled-CNT additions",

abstract = "In this study, tungsten oxide films were prepared by sol-gel technique. Various amounts of multiwalled carbon nanotubes (MWCNTs) were added during sol-gel process to obtain hybrid WO3/MWCNT films. The original and hybrid films were characterized by thermogravimetric analysis, X-ray diffraction analysis, and scanning electron microscopy analysis, whereas the electrochromic performance was evaluated by measuring changes in the optical transmittance caused by potentiostatic charge-discharge intercalation. The influence on the structure and properties of tungsten oxide film due to MWCNT addition was also investigated. The results showed that all of the films were amorphous and exhibited porous microstructure. The electrochromic performance of pristine WO3 film was improved by adding MWCNTs that served as a template for the growth of WO3 and resulted in more porous microstructure. The hybrid tungsten oxide films with 0.1 wt.% MWCNT addition exhibited the best electrochromic performance.",

keywords = "Carbon nanotubes, Electrochromic performance, Sol-gel, Tungsten oxide film",

author = "Lin, {Chung Kwei} and Tseng, {Sheng Chung} and Cheng, {Chin Hua} and Chen, {Chin Yi} and Chen, {Chien Chon}",

note = "Funding Information: The authors would like to thank the National Science Council of Taiwan for financially supporting this work. Partial financial support from FCU was also acknowledged.",

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AU - Lin, Chung Kwei

AU - Tseng, Sheng Chung

AU - Cheng, Chin Hua

AU - Chen, Chin Yi

AU - Chen, Chien Chon

N1 - Funding Information: The authors would like to thank the National Science Council of Taiwan for financially supporting this work. Partial financial support from FCU was also acknowledged.

PY - 2011/12/30

Y1 - 2011/12/30

N2 - In this study, tungsten oxide films were prepared by sol-gel technique. Various amounts of multiwalled carbon nanotubes (MWCNTs) were added during sol-gel process to obtain hybrid WO3/MWCNT films. The original and hybrid films were characterized by thermogravimetric analysis, X-ray diffraction analysis, and scanning electron microscopy analysis, whereas the electrochromic performance was evaluated by measuring changes in the optical transmittance caused by potentiostatic charge-discharge intercalation. The influence on the structure and properties of tungsten oxide film due to MWCNT addition was also investigated. The results showed that all of the films were amorphous and exhibited porous microstructure. The electrochromic performance of pristine WO3 film was improved by adding MWCNTs that served as a template for the growth of WO3 and resulted in more porous microstructure. The hybrid tungsten oxide films with 0.1 wt.% MWCNT addition exhibited the best electrochromic performance.

AB - In this study, tungsten oxide films were prepared by sol-gel technique. Various amounts of multiwalled carbon nanotubes (MWCNTs) were added during sol-gel process to obtain hybrid WO3/MWCNT films. The original and hybrid films were characterized by thermogravimetric analysis, X-ray diffraction analysis, and scanning electron microscopy analysis, whereas the electrochromic performance was evaluated by measuring changes in the optical transmittance caused by potentiostatic charge-discharge intercalation. The influence on the structure and properties of tungsten oxide film due to MWCNT addition was also investigated. The results showed that all of the films were amorphous and exhibited porous microstructure. The electrochromic performance of pristine WO3 film was improved by adding MWCNTs that served as a template for the growth of WO3 and resulted in more porous microstructure. The hybrid tungsten oxide films with 0.1 wt.% MWCNT addition exhibited the best electrochromic performance.

KW - Carbon nanotubes

KW - Electrochromic performance

KW - Sol-gel

KW - Tungsten oxide film

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Electrochromic performance of hybrid tungsten oxide films with multiwalled-CNT additions

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