The Fabrications and Optical Properties of AlCrNO Based Solar Selective Absorber Coatings by Cathodic Arc Ion Plating

被引:0
|
作者
Xu, Yingjie [1 ]
Gong, Dianqing [1 ]
Niu, Rui [1 ]
Cui, Zeqin [1 ]
机构
[1] Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan, Shanxi, Peoples R China
基金
中国国家自然科学基金;
关键词
solar selective absorber coating; optical properties; infrared reflectors; cathodic arc ion plating; THERMAL-STABILITY; LAYERS;
D O I
暂无
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A series of AlCrNO based solar selective absorber coatings were deposited by cathodic arc ion plating on three kinds of different infrared reflectors (AlCr, Cu, Cr) and with different deposition currents respectively. The surface morphology, phase structure and surface roughness were characterized by field emission scanning electron microscopy (FE-SEM), X-ray diffraction (XRD), and roughmeter respectively. The results show that the AlCr-AlCrNO based coating exhibited a high absorptance of 0.91 and an emittance of 0.52 when AlCr was served as infrared reflector. Meanwhile, a higher absorptance (alpha=0.92) of AlCr-AlCrNO based coating was obtained when varying deposition current from 50 A to 60 A. Moreover, the roughness is one of impacts on the emittance. Increasing the deposition current to 70 A brings about the raising of the roughness, increasing the emittance therefore.
引用
收藏
页码:17 / 21
页数:5
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