J. Phys.: Energy 2 (2020) 012002 https://doi.org/10.1088/2515-7655/ab4a25 TOPICAL REVIEW Point defects, compositional fluctuations, and secondary phases OPEN ACCESS in non-stoichiometric kesterites RECEIVED 8 April 2019 Susan Schorr1,2 , Galina Gurieva1 , Maxim Guc3,4 , Mirjana Dimitrievska3,5,6, REVISED Alejandro Pérez-Rodríguez3,7, Victor Izquierdo-Roca3, Claudia S Schnohr8 , Juran Kim9, William Jo9 and 23 May 2019 José Manuel Merino10 ACCEPTED FOR PUBLICATION 2 October 2019 1 Department Structure and Dynamics of Energy Materials, Helmholtz-Zentrum Berlin fuer Materialien und Energie, Hahn-Meitner-Platz PUBLISHED 1, 14109 Berlin, Germany 2 10 December 2019 Institute of Geosciences, Freie Universität Berlin, Malteserstr. 74-100, 12449 Berlin, Germany 3 Catalonia Institute for Energy Research (IREC), Jardins de les Dones de Negre 1, 08930 Sant Adrià de Besòs, Spain 4 Institute of Applied Physics, Academiei str. 5, MD 2023 Chisinau, Moldova Original content from this 5 work may be used under NIST Center forNeutron Research, National Institute of Standards and Technology, Gaithersburg, MD 20899-6102, United States of America 6 the terms of the Creative National Renewable Energy Laboratory, Golden, CO 80401, United States of America Commons Attribution 3.0 7 IN2UB, Departament d’Enginyeria Electrònica i Biomèdica, Universitat de Barcelona, C. Martí i Franquès 1, 08028 Barcelona, Spain licence. 8 Felix Bloch Institute for Solid State Physics, Leipzig University, Linnéstraße 5, 04103 Leipzig, Germany Any further distribution of 9 Department of Physics, Ewha Womans University, Seoul 03760, Republic of Korea this work must maintain 10 Faculty of Science, Universidad Autonóma de Madrid, Ciudad Universitaria de Cantoblanco C/Francisco Tomás y Valiente 7, 28049 attribution to the author(s) and the title of Madrid, Spain the work, journal citation E-mail:
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