Optimization of broadband omnidirectional antireflection coatings for solar cells

作     者：Xia Guo Qiaoli Liu Huijun Tian Ben Li Hongyi Zhou Chong Li Anqi Hu Xiaoying He 

作者机构：School of Electronic Engineering State Key Laboratory for Information Photonics and Optical Communications Beijing Key Laboratory of Work Safety Intelligent Monitoring Beijing University of Posts and Telecommunications School of Information Beijing University of Technology Institute of Laser Engineering Beijing University of Technology 

出 版 物：《Journal of Semiconductors》 (半导体学报（英文版）)

年 卷 期：2019年第40卷第3期

页      面：33-38页

核心收录：

学科分类：08[工学] 080502[工学-材料学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：supported by the National Key Research and Development of China (No. 2017YFF0104801) the National Natural Science Foundation of China (Nos. 61675046, 61804012) the Open Fund of IPOC (No. IPOC2017B011) 

主　　题：antireflection coating ant colony algorithm incident quantum efficiency SPCTRL2 

摘      要：Broadband and omnidirectional antireflection coating is generally an effective way to improve solar cell efficiency, because the destructive interference between the reflected and incident light can maximize the light transmission into the absorption layer. In this paper, we report the incident quantum efficiency ηin, not incident energy or power, as the evaluation function by the ant colony algorithm optimization method, which is a swarm-based optimization method. Also, SPCTRL2 is proposed to be incorporated for accurate optimization because the solar irradiance on a receiver plane is dependent on position, season, and time. Cities of Quito, Beijing and Moscow are selected for two-and three-layer antireflective coating optimization over λ = [300,1100] nm and θ = [0°, 90°]. The ηin increases by 0.26%, 1.37% and 4.24% for the above 3 cities, respectively, compared with that calculated by other rigorous optimization algorithms methods, which is further verified by the effect of position and time dependent solar spectrum on the antireflective coating design.