Device Physics of Perovskite Solar Cells - an Introduction
Thomas Kirchartz Kirchartz a
a Forschungszentrum Jülich GmbH, DE, Wilhelm-Johnen-Straße, Jülich, Germany
Online School
Proceedings of Online School on Fundamentals of Emerging Solar Cells (PVSCHOOL)
Online, Spain, 2021 February 10th - 12th
Organizers: Bruno Ehrler, Thomas Kirchartz and Elizabeth von Hauff
Invited Speaker, Thomas Kirchartz Kirchartz, presentation 006
DOI: school.2021.006
Publication date: 29th January 2021

In this talk, I will give an overview over the different aspects of device physics that will be covered in the school. After talking briefly about the ideal solar cell, the different key loss mechanisms of real solar cells are presented. These are related mostly to recombination in the bulk and at interfaces as well as resistive losses. The key topics of the school are now related to either creating a better understanding of the loss mechanisms or to measuring and quantifying them. Therefore, the school will cover topics that are related to understanding and studying interfaces and contacts that are necessary to convert the chemical energy of electron-hole pairs into a directed current. In addition, the school will discuss methods such as photoluminescence, capacitance, or surface physics methods that are needed to quantify important parameters of the bulk and the interfaces. Eventually characterization of materials and interfaces should allow to come up with a model of the device that can be compared to experiments and that could eventually be used to predict the performance and behaviour of photovoltaic devices.

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