Theoretical investigation of three dimensional p-n junctions for improvement of silicon solar cell efficiency

Jing Shi; Jinchuan You; Lianwei Wang; Paul K. Chu

doi:10.1117/12.840013

12 October 2009 Theoretical investigation of three dimensional p-n junctions for improvement of silicon solar cell efficiency

Jing Shi, Jinchuan You, Lianwei Wang, Paul K. Chu

Author Affiliations +

Proceedings Volume 7518, Photonics and Optoelectronics Meetings (POEM) 2009: Solar Cells, Solid State Lighting, and Information Display Technologies; 751816 (2009) https://doi.org/10.1117/12.840013
Event: Photonics and Optoelectronics Meetings 2009, 2009, Wuhan, China

Abstract

Silicon is one the most extensively used photovoltaic materials because of its relatively low cost and well established fabrication processes. Therefore, development of technologies that can improve the energy efficiency of silicon solar cells is important. In this report, a novel solar cell structure based on 3D (three-dimensional) macroporous silicon p-n junctions and the corresponding mathematical model are proposed. The structure and electrical performance of the silicon solar cell with the 3D p-n junction are analyzed. Significantly increased efficiency can be achieved due to the better carrier collection and light absorption. Our results reveal improved photocurrent and other characteristics, thereby demonstrating the validity of the improved solar cell structure.

Citation Download Citation

Jing Shi, Jinchuan You, Lianwei Wang, and Paul K. Chu "Theoretical investigation of three dimensional p-n junctions for improvement of silicon solar cell efficiency", Proc. SPIE 7518, Photonics and Optoelectronics Meetings (POEM) 2009: Solar Cells, Solid State Lighting, and Information Display Technologies, 751816 (12 October 2009); https://doi.org/10.1117/12.840013

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