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Crystals 2018, 8(11), 430; https://doi.org/10.3390/cryst8110430

Recent Advances in and New Perspectives on Crystalline Silicon Solar Cells with Carrier-Selective Passivation Contacts

1
The School of Renewable Energy, North China Electric Power University, Changping District, Beijing 102206, China
2
Institute of Thin Film Photo-electronics Devices and Technology, Nankai University, Tianjin 300071, China
3
China Three Gorges New Energy Co., Ltd, Beijing 100053, China
*
Author to whom correspondence should be addressed.
Received: 23 September 2018 / Revised: 3 November 2018 / Accepted: 12 November 2018 / Published: 15 November 2018
(This article belongs to the Special Issue Advances in Thin Film Solar Cells)
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Abstract

Crystalline silicon (c-Si) is the dominating photovoltaic technology today, with a global market share of about 90%. Therefore, it is crucial for further improving the performance of c-Si solar cells and reducing their cost. Since 2014, continuous breakthroughs have been achieved in the conversion efficiencies of c-Si solar cells, with a current record of 26.6%. The great efficiency boosts originate not only from the materials, including Si wafers, emitters, passivation layers, and other functional thin films, but also from novel device structures and an understanding of the physics of solar cells. Among these achievements, the carrier-selective passivation contacts are undoubtedly crucial. Current carrier-selective passivation contacts can be realized either by silicon-based thin films or by elemental and/or compound thin films with extreme work functions. The current research and development status, as well as the future trends of these passivation contact materials, structures, and corresponding high-efficiency c-Si solar cells will be summarized. View Full-Text
Keywords: crystalline silicon; solar cell; passivation contact crystalline silicon; solar cell; passivation contact
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Yu, C.; Xu, S.; Yao, J.; Han, S. Recent Advances in and New Perspectives on Crystalline Silicon Solar Cells with Carrier-Selective Passivation Contacts. Crystals 2018, 8, 430.

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