High solar absorption of a multilayered thin film structure.
We report a structure with 4 thin film layers composed of pure metal and dielectric materials and prepared by sputtering. The reflectance and transmittance are lower than 5% with the absorption to be achieved higher than 95% in the 400-1000nm wavelength region as match to the solar radiance spectrum. The thermal emittance of the structure is in the range of 0.063-0.10 through data analysis. The good reproducibility and stability of spectral data associated with the deposition process imply the advantage of the solar energy absorber which is cost-effective in application.
Li
Xiao-Fan
XF
Chen
Yue-Rui
YR
Miao
Jian
J
Zhou
Peng
P
Zheng
Yu-Xiang
YX
Chen
Liang-Yao
LY
Lee
Young-Pak
YP