A study of bandgap-graded CZTGSe kesterite thin films for solar cell applications

Author:

Scaffidi Romain1234ORCID,Brammertz Guy123ORCID,Wang Yibing1235,Zaman Arman Uz1236,Sasikumar Keerthi1237,de Wild Jessica123,Flandre Denis4,Vermang Bart123ORCID

Affiliation:

1. IMO, Hasselt University, Wetenschapspark 1, 3590 Diepenbeek, Belgium

2. IMOMEC, imec, Wetenschapspark 1, 3590 Diepenbeek, Belgium

3. EnergyVille 2, Thor Park 8320, 3600 Genk, Belgium

4. ICTEAM, UCLouvain, Place du Levant 3/L5.03.02, 1348 Louvain-la-Neuve, Belgium

5. Institut für Geo- und Umweltnaturwissenschaften, University of Freiburg, Hermann-Herder-Strasse 5, 79104 Freiburg, Germany

6. Thin-Film Photodector (TFPD) Group, imec, Kapeldreef 75, 3001 Leuven, Belgium

7. Amity Institute of Nanotechnology, Amity University, Sector 125, Noida, Uttar Pradesh 201313, India

Abstract

The sustainable and harmless Cu2ZnSn(S,Se)4 kesterite materials for thin-film photovoltaics are still lacking efficiency, which may be solved by bandgap grading, herein obtained by two-step annealing in H2Se gas of metallic precursors.

Funder

H2020 Societal Challenges

Fonds Wetenschappelijk Onderzoek

Publisher

Royal Society of Chemistry (RSC)

Subject

Energy (miscellaneous),Energy Engineering and Power Technology,Fuel Technology,Renewable Energy, Sustainability and the Environment

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