Correlative characterization of co-evaporated Cu2ZnSnSe4 thin-films

SCHEME: CORE

CALL: 2015

DOMAIN: MS - New Functional and Intelligent Materials and Surfaces

FIRST NAME: Susanne

LAST NAME: Siebentritt

INDUSTRY PARTNERSHIP / PPP: No

INDUSTRY / PPP PARTNER:

HOST INSTITUTION: University of Luxembourg

KEYWORDS: kesterite, solar cell, electronic structure, nanoscale compositional studies, correlation, atom probe tomography, photoluminescence

START: 2016-10-01

END: 2019-09-30

WEBSITE: https://www.uni.lu

Submitted Abstract

Kesterites are used as absorbers in thin film solar cells. The interest in this material class is triggered by its low cost and abundant raw materials. However, their wide spread use is still hampered by a rather large loss in open circuit voltage compered to the ideal case. This is due to a strong tailing in the electronic structure. This tailing is caused by some disorder in the material, which is currently not understood. In this project we will use state-of-the-art atomic scale analysis methods to understand the correlation between nanoscale composition and the electronic structure.

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