PUBLICATIONS

Advanced Devices for Energy Conversion

Journals

Optics Express
년도 2013
학술지명 Optics Express
논문명 Multi-scale and angular analysis of ray-optical light trapping schemes in thin-film solar cells: Micro lens array, V-shaped configuration and double parabolic trapper
게재권/집 21/S2
수록페이지 A276
저자명 Changsoon Cho, and Jung-Yong Lee*
Link 관련링크 https://doi.org/10.1364/OE.21.00A276 1188회 연결

Abstract


An efficient light trapping scheme is a key to enhancing the power conversion efficiency (PCE) of thin-film photovoltaic (PV) cells by compensating for the insufficient light absorption. To handle optical components from nano-scale to micro-scale seamlessly, a multi-scale optical simulation is carefully designed in this study and is used to qualitatively analyze the light trapping performances of a micro lens array (MLA), a V-shaped configuration, and the newly proposed scheme, which is termed a double parabolic trapper (DPT) according to both daily and annual movement of the sun. DPT has the potential to enhance the PCE significantly, from 5.9% to 8.9%, for PCDTBT:PC70BM-based polymer solar cells by perfectly trapping the incident light between two parabolic PV cells.