Ultrasonic spray deposition of high performance WO3 films using template-assisted sol-gel chemistry

被引：22

作者：

Li, Chi-Ping ^{[1
,2
]}

Lin, Feng ^{[1
,2
]}

Richards, Ryan M. ^{[1
]}

Engtrakul, Chaiwat ^{[2
]}

Dillon, Anne C. ^{[2
]}

Tenent, Robert C. ^{[2
]}

Wolden, Colin A. ^{[1
]}

机构：

[1] Colorado Sch Mines, Mat Sci Program, Golden, CO 80401 USA

[2] Natl Renewable Energy Lab, Golden, CO 80401 USA

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2012年 / 25卷

基金：

美国国家科学基金会;

关键词：

Tungsten oxide; Electrochromics; Ultrasonic spray deposition; Mesoporous; Sol-gel; THIN-FILMS; TUNGSTEN-OXIDE; DURABILITY; SILICA;

D O I：

10.1016/j.elecom.2012.09.017

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Tungsten oxide (WO3) thin films with nanoscale porosity were prepared by adopting templating sol-gel chemistry to ultrasonic spray deposition (USD). It was found that the electrochromic performance was strongly correlated to the annealing conditions used to remove the triblock copolymer template. Optimized films display state-of-the-art performance with respect to coloration efficiency (>50 cm(2)/C). optical modulation (>75%), and switching times (<10 s). The films exhibit good durability, displaying disordered, nanocrystalline morphology. USD is compatible with in line manufacturing, and the performance was notably improved over films deposited by spin coating using the same chemistry. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：62 / 65

页数：4

共 17 条

[1] Highly crystalline WO3 thin films with ordered 3D mesoporosity and improved electrochromic performance [J].

Brezesinski, Torsten ;

Fattakhova-Rohlfing, Dina ;

Sallard, Sebastien ;

Antonietti, Markus ;

Smarsly, Bernd M. .

SMALL, 2006, 2 (10) :1203-1211

[2]

Brinker C. J., 2013, SOL GEL SCI PHYS CHE, DOI [DOI 10.1016/B978-0-08-057103-4.50001-5, 10.1016/C2009-0-22386-5]

[3] Template-directed materials for rechargeable lithium-ion batteries [J].

Cheng, Fangyi ;

Tao, Zhanliang ;

Liang, Jing ;

Chen, Jun .

CHEMISTRY OF MATERIALS, 2008, 20 (03) :667-681

[4] Synthesis and electrochromic properties of mesoporous tungsten oxide [J].

Cheng, W ;

Baudrin, E ;

Dunn, B ;

Zink, JI .

JOURNAL OF MATERIALS CHEMISTRY, 2001, 11 (01) :92-97

[5] OPTICAL AND PHOTOELECTRIC PROPERTIES AND COLOR CENTERS IN THIN-FILMS OF TUNGSTEN OXIDE [J].

DEB, SK .

PHILOSOPHICAL MAGAZINE, 1973, 27 (04) :801-822

[6] Metal-oxide films for electrochromic applications: present technology and future directions [J].

Gillaspie, Dane T. ;

Tenent, Robert C. ;

Dillon, Anne C. .

JOURNAL OF MATERIALS CHEMISTRY, 2010, 20 (43) :9585-9592

[7]

Lee ES., 2006, A Design Guide for Early-Market Electrochromic Windows

[8] Improved Durability of WO3 Nanocomposite Films Using Atomic Layer and Vapor Deposited Coatings [J].

Li, Chi-Ping ;

Tenent, Robert C. ;

Dillon, Anne C. ;

Morrish, Rachel M. ;

Wolden, Colin A. .

ECS ELECTROCHEMISTRY LETTERS, 2012, 1 (05) :H24-H27

[9] Electrochromic films produced by ultrasonic spray deposition of tungsten oxide nanoparticles [J].

Li, Chi-Ping ;

Wolden, Colin A. ;

Dillon, Anne C. ;

Tenent, Robert C. .

SOLAR ENERGY MATERIALS AND SOLAR CELLS, 2012, 99 :50-55

[10] In situ crystallization of high performing WO3-based electrochromic materials and the importance for durability and switching kinetics [J].

Lin, Feng ;

Cheng, Jifang ;

Engtrakul, Chaiwat ;

Dillon, Anne C. ;

Nordlund, Dennis ;

Moore, Rob G. ;

Weng, Tsu-Chien ;

Williams, S. K. R. ;

Richards, Ryan M. .

JOURNAL OF MATERIALS CHEMISTRY, 2012, 22 (33) :16817-16823

← 1 2 →