A universal ligand for lead coordination and tailored crystal growth in perovskite solar cells

Author:

Yang Bowen12ORCID,Suo Jiajia12ORCID,Bogachuk Dmitry3ORCID,Kaiser Waldemar4ORCID,Baretzky Clemens35ORCID,Er-Raji Oussama36ORCID,Loukeris Georgios35,Alothman Asma A.7,Mosconi Edoardo47,Kohlstädt Markus35ORCID,Würfel Uli35ORCID,De Angelis Filippo489ORCID,Hagfeldt Anders12ORCID

Affiliation:

1. Department of Chemistry – Ångström Laboratory, Uppsala University, SE-75120 Uppsala, Sweden

2. Laboratory of Photomolecular Science, Institute of Chemical Sciences and Engineering, School of Basic Sciences, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland

3. Fraunhofer Institute for Solar Energy Systems ISE, Heidenhofstr. 2, 79110 Freiburg, Germany

4. Computational Laboratory for Hybrid/Organic Photovoltaics (CLHYO), Istituto CNR di Scienze e Tecnologie Chimiche “Giulio Natta” (CNR-SCITEC), Via Elce di Sotto 8, 06123 Perugia, Italy

5. Freiburg Materials Research Center FMF, University of Freiburg, Stefan-Meier-Str. 21, 79104 Freiburg, Germany

6. Department of Sustainable Systems Engineering (INATECH), Albert-Ludwigs-Universität Freiburg, Emmy-Noether-str. 2, 79110 Freiburg, Germany

7. Chemistry Department, College of Science, King Saud University, Riyadh 11451, Kingdom of Saudi Arabia

8. Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy

9. SKKU Institute of Energy Science and Technology (SIEST), Sungkyunkwan University, 440-746 Suwon, Korea

Abstract

Phenylguanidine, a strong ligand in the precursor solution, retards crystallization to enlarge grain sizes and reduce defect density of a perovskite film, demonstrating excellent universality across various compositions.

Funder

Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung

Ministero dell’Istruzione, dell’Università e della Ricerca

Università degli Studi di Perugia

King Saud University

Publisher

Royal Society of Chemistry (RSC)

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