A novel TiC ZrB2/ZrB2/Al2O3 multilayer high temperature solar selective absorbing coating: Microstructure, optical properties and failure mechanism

被引：23

作者：

Gao, Xiang-Hu ^{[1
,2
]}

Qiu, Xiao-Li ^{[1
,2
]}

Shen, Yong-Qian ^{[3
]}

He, Cheng-Yu ^{[1
,2
]}

Liu, Gang ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Res & Dev Ctr EcoChem & EcoMat, State Key Lab Solid Lubricat, Lanzhou Inst Chem Phys, Lanzhou 730000, Gansu, Peoples R China

[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China

[3] Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Key Lab Nonferrous Met Alloy & Proc, Minist Educ,Sch Mat Sci & Engn, Lanzhou 730050, Gansu, Peoples R China

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2019年 / 203卷

基金：

中国国家自然科学基金;

关键词：

Multilayer; Solar absorber coating; Optical properties; Failure mechanism; THERMAL-STABILITY;

D O I：

10.1016/j.solmat.2019.110187

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

A novel multilayer nanostructured TiC-ZrB2/ZrB2/Al2O3 solar absorber coating has been developed for Concentrated Solar Power. The TiC-ZrB2 and ZrB2 work as the absorptance layers. The SS/TiC-ZrB2/ZrB2/Al2O3 solar absorber coatings exhibit a high spectral selectivity of 0.92/0.10. The sample is annealed in vacuum to test the thermal stability. After keeping the as-deposited samples and the samples annealed in vacuum at room temperature for two years, the coatings show different colors. Through the SEM, XPS and Raman analysis, we have discussed the corresponding failure mechanism. For the purpose of clarifying the failure mechanism more clearly, corresponding failure model is established.

引用

页数：5

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