Hemispherical-shell-shaped organic photovoltaic cells for absorption enhancement and improved angular coverage

被引：3
作者：
Hah, Dooyoung [1 ]
机构：
[1] Abdullah Gul Univ, Fac Engn, Dept Elect & Elect Engn, Kayseri, Turkiye
来源：
JOURNAL OF PHOTONICS FOR ENERGY | 2024年 / 14卷 / 01期
关键词：
organic photovoltaic cells; light trapping; energy conversion efficiency; omnidirectionality; SOLAR-CELLS;
D O I：
10.1117/1.JPE.14.018501
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A hemispherical shell shape is proposed for an organic photovoltaic cell structure, aiming at enhancing both light absorption and angular coverage. Three-dimensional finite element analysis method is used to study the absorption spectra within the hemispherical-shell-shaped active layer. The study reveals that the proposed structure can result in 66% and 36% of absorption improvements compared to a flat-structured device when the incoming light is transverse electric (TE)- and transverse magnetic (TM)-polarized, respectively. It is also learned that the proposed hemispherical shell structure has absorption improvement as high as 13% (TE) and 21% (TM) when compared to the previously reported semicylindrical shell structure. The angular coverage of the proposed structure is improved as well, reaching 81 deg (TE) and 82 deg (TM), which becomes quite useful for the wearable electronics applications where the incidence angle can vary in a random manner. These improvements can be attributed to better light coupling and guiding through the active layer made possible by the hemispherical shell shape of the device. (c) 2024 Society of Photo-Optical Instrumentation Engineers (SPIE)
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页数：11
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