Kesterite as Working Body for Emerging Photovoltaics
Abstract
Several studies have been published regarding kesterite and its application in photovoltaic solar cells. However, solar cells with nand p-type layers made of kesterite have not been presented in the literature. In this paper, a model of kesterite as the working body of a solar cell is reported. Based on this, the solar-to-electricity conversion efficiency was built using the concepts of photons as the working body of the solar cell and bandgap. The assumptions made, as well as the advantages, limitations, and potential pitfalls, are discussed. Here, we propose a novel structure for kesterite solar cells, and the main condition underlying this work is that the absorption surface of the incident energy is kesterite. Additionally, the mathematical model developed by the combination of electrical and quantum parameters allowed to create a direct relationship between the electrical parameters Voc, Isc, FF and the quantum parameters Ne and Eg. This approach provides an introduction for researchers in photovoltaics and closely related fields on future perspectives of how to further boost research on kesterite applied in photovoltaic.
Keywords
kesterite, photovoltaic, solar cell, model, bandgap