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Design Rules for Novel Materials to Perform as Efficient Carrier-Selective Contacts for Silicon Solar Cell
M. Boccard, R. Woods-Robinson, A. Fioretti, J. Haschke, K.A. Persson, C. Ballif
Silicon Materials and Cells
Subtopic: Low Temperature Route for Si Cells
Event: 37th European Photovoltaic Solar Energy Conference and Exhibition
Session: 2BO.3.3
ISBN: 3-936338-73-6
0,00 EUR
Document(s): presentation


The development of full-area contacts which would be highly selective, passivating, and highly transparent has the potential of being a game-changer in the photovoltaic industry, provided these contacts can be manufactured inexpensively and ensure reliable module operation for several decades. Although the development of contacts based on other materials than Si has recently been booming, many novel materials show unsatisfactory selectivity in spite of high transparency, precluding the reaching of high device efficiencies. Here we investigate the requirements for a highly performing hole-selective contact through a numerical simulations. We make a sensitivity analysis of the most relevant parameters to ensure high selectivity. Then we experimentally validate our findings with a case-study using nickel oxide (NiO)