High efficiency nanotextured silicon solar cells |
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| Authors: | Pushpa Raj Pudasaini Arturo A Ayon |
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| Institution: | 1. Department of Chemical and Materials Engineering, National Central University, Chung-Li City, Taoyuan, Taiwan, ROC;2. Institute of Materials Science and Engineering, National Central University, Chung-Li City, Taoyuan, Taiwan, ROC;3. Nanotechnology Research Center, Industrial Technology Research Institute (ITRI), Hsinchu, Taiwan, ROC;1. Key Laboratory for Renewable Energy, Beijing Key Laboratory for New Energy Materials and Devices, National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;3. Baoding Lightway Green Energy Technology Co., Ltd., 071000, China;1. Institute of Physics, Faculty of Fundamental Problems of Technology, Wroclaw University of Technology, Wroclaw, Poland;2. Faculty of Electronics, Wroclaw University of Technology, Wroclaw, Poland;1. Institute of Semiconductor Electronics, RWTH-Aachen University, Sommerfeldstrasse 24, 52074 Aachen, Germany;2. AMO GmbH, Otto-Blumenthal-Strasse 25, 52074 Aachen, Germany;1. Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Tsarigradsko chausse 72, 1784 Sofia, Bulgaria;2. Institute for Advanced Physical Studies, New Bulgarian University, 1618 Sofia, Bulgaria;3. NoviNano Lab LLC, Pasternaka 5, 79015 Lviv, Ukraine;4. Department of Photonics, Lviv Polytechnic National University, Stepana Bandery 14, 79000 Lviv, Ukraine;5. University of Modena and Reggio Emilia (UNIMORE), Amendola 2, 42122 Reggio Emilia, Italy |
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| Abstract: | We report the computational modeling of forward scattering phenomena arising in Au nanoparticles array near their localized surface plasmon resonance, which by producing a strong field enhancement effect on the substrate leads to higher optical absorption and, therefore, higher efficiencies of operation. Computational calculations indicate that the ultimate efficiency of an optimized silicon nanoholes (SiNH) array texture surface in combination with the surface and bottom-of-a-trench Au nanoparticles array described herein, is 39.67%, which compares favorably with the ultimate efficiency of 31.11% for an optimized silicon nanoholes array texture surface. Furthermore, the utilization of an optimized silicon nitride antireflection coating increases the ultimate efficiency to a promising value of 41.88%, while the utilization of a single-crystal silicon layer of thickness 2.8 μm will be instrumental in drastically reducing solar cell manufacturing cost. |
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