Hydrothermally grown nanostructured WO3 films and their electrochromic characteristics

被引：121

作者：

Jiao, Zhihui ^{[1
]}

Sun, Xiao Wei ^{[1
]}

Wang, Jinmin ^{[1
]}

Ke, Lin ^{[2
]}

Demir, Hilmi Volkan ^{[1
]}

机构：

[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore

[2] Inst Mat Res & Engn, Singapore 117602, Singapore

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2010年 / 43卷 / 28期

关键词：

TUNGSTEN-OXIDE FILMS; SMART WINDOWS; THIN-FILMS; NANOPOROUS WO3; SOL-GEL; CRYSTALLINE; COATINGS; NANORODS; DEVICES; DISPLAY;

D O I：

10.1088/0022-3727/43/28/285501

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the synthesis of nanostructured tungsten trioxide (WO3) films and their electrochromic characteristics. Plate-like monoclinic WO3 nanostructures were grown directly on fluorine-doped tin oxide glass substrates by a simple and low-cost crystal-seed-assisted hydrothermal method. The growth mechanism of the film is investigated. HRTEM analysis reveals the single crystalline quality of the WO3 nanostructure. The film exhibits tunable transmittance modulation under different voltages and repetitive cycling between the clear and blue states has no deleterious effect on its electrochromic performance after 3000 cycles. The electrochromic device composed of the WO3 film has high electrochromic stability, colour contrast and reasonable switching response with a colouration efficiency of 38.2 cm(2) C-1 at 632.8 nm.

引用

页数：6

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