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Improved performance of GaAs-based micro-solar cell with novel polyimide/SiO_2/TiAu/SiO_2 structure |
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| Authors: | BAI YiMing WANG Jun WANG Yu ZHANG Han CHEN NuoFu YAO JianXi HUANG TianMao WANG YanShuo ZHANG XingWang & WU JinLiang New Renewable Energy of Beijing Key Laboratory North China Electric Power University Beijing China National Engineering Research Center for Optoelectronic Devices |
| Affiliation: | BAI YiMing1,WANG Jun2,WANG Yu3,ZHANG Han3,CHEN NuoFu3,YAO JianXi1,HUANG TianMao3,WANG YanShuo3,ZHANG XingWang3 & WU JinLiang3 1New and Renewable Energy of Beijing Key Laboratory,North China Electric Power University,Beijing 102206,China,2National Engineering Research Center for Optoelectronic Devices,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,3Key Laboratory of Semiconductor Materials Science |
| Abstract: | A novel interconnected structure consisting of a conventional polyimide layer(PM) and an additional SiO2/TiAu/SiO2 sandwich multilayer has been firstly proposed for improving the performance of GaAs micro-solar cell array.The specific experimental investigations on the array with 108 unit cells have demonstrated that the novel structure of PM/SiO2/TiAu/SiO2 can effectively enhance the open-circuit voltage from 75 to 84 V and the fill factor from 35% to 57%.The performance improvement of our devices can be a... |
| Keywords: | micro-solar cell SI-GaAs leakage current insulating layer |
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