SUPERCRITICAL SOLVOTHERMAL SYNTHESIS AND NEAR-INFRARED ABSORBING PROPERTIES OF CsxWO3

被引：8
|
作者：
Guo, Chongshen [1 ]
Yin, Shu [1 ]
Huang, Yunfang [1 ]
Dong, Qiang [1 ]
Li, Huihui [1 ]
Sato, Tsugio [1 ]
机构：
[1] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Aoba Ku, Sendai, Miyagi 9808577, Japan
来源：
FUNCTIONAL MATERIALS LETTERS | 2012年 / 5卷 / 02期
关键词：
Cs-x WO3; near infrared absorption; tungsten bronze; TUNGSTEN-OXIDE; ABSORPTION;
D O I：
10.1142/S1793604712600016
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
CsxWO3 nanoparticles in the range of 20-50 nm have been successfully synthesized by the supercritical solvothermal approach, where after dissolving WCl6 and CsOH in a mixed solution of water, ethanol and oleic acid, the solution was heated at 300 degrees C. The products were characterized by X-ray diffraction, TEM, HR-TEM, EDS, laser particle size analysis and thermographic measurements. CsxWO3 nanoparticles showed the high transparency in the visible region, excellent shielding performance of the near-infrared light and limited reflectance of light in the range of 200-2700 nm, indicating the strong absorption of NIR light on the nanosized CsxWO3. CsxWO3 nanoparticles also exhibited quick conversion of photo-energy to local heat.
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页数：4
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