Simulation Results: Optimization of Contact Ratio for Interdigitated Back-Contact Solar Cells

Author:

Budhraja Vinay12ORCID,Devayajanam Srinivas2ORCID,Basnyat Prakash2

Affiliation:

1. University of Missouri at Kansas City, Kansas City, MO, USA

2. New Jersey Institute of Technology, Newark, NJ, USA

Abstract

In the fabrication of interdigitated back contact (IBC) solar cells, it is very important to choose the right size of contact to achieve the maximum efficiency. Line contacts and point contacts are the two possibilities, which are being chosen for IBC structure. It is expected that the point contacts would give better results because of the reduced recombination rate. In this work, we are simulating the effect of contact size on the performance of IBC solar cells. Simulations were done in three dimension using Quokka, which numerically solves the charge carrier transport. Our simulation results show that around 10% of contact ratio is able to achieve optimum cell efficiency.

Publisher

Hindawi Limited

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,Atomic and Molecular Physics, and Optics,General Chemistry

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