Impact of the Emitter Contact Pattern in c-Si BC-BJ Solar Cells by Numerical Simulations
Noemi Guerra (University of Calabria, Technological University of Panama)
Raffaele De Rose (University of Calabria)
Marco Guevara (Escuela Superior Politécnica de Chimborazo, Chimborazo, University of Calabria)
Paul Procel (TU Delft - Electrical Engineering, Mathematics and Computer Science, University of Calabria)
Marco Lanuzza (University of Calabria)
Felice Crupi (University of Calabria)
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Abstract
This paper presents a detailed analysis on the impact of the emitter contact geometry on the performance of back contact-back junction (BC-BJ) c-Si solar cells by means of a TCAD-based electro-optical model. BC-BJ c-Si solar cells featuring a conventional linear-contact (LC) scheme and an advanced point-contact (PC) pattern are considered. In addition, the introduction of a selective emitter (SE) design in the PC structure and the effect of including multiple contacts in the emitter region of the considered BC-BJ solar cells are also investigated.