DataVXACS Energy LettersPaper
journal article·2021-03-12

Solvents for Processing Stable Tin Halide Perovskites

Diego Di Girolamo, Jorge Pascual, Mahmoud H. Aldamasy, Zafar Iqbal, Guixiang Li, Eros Radicchi, Meng Li, Silver-Hamill Turren-Cruz, Giuseppe Nasti, André Dallmann, Filippo De Angelis, Antonio Abate

ACS Energy Letters· Volume 6· Issue 3
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Source abstract

Abstract

Tin is one of the most promising alternatives to lead to make lead-free halide perovskites for optoelectronics. However, the stability of tin-based perovskites is hindered by the oxidation of Sn(II) to Sn(IV). Recent works established that dimethyl sulfoxide, which is one of the best-performing solvents for processing perovskite, is the primary source of tin oxidation. The quest for a stable solvent could be a game-changer in the stability of tin-based perovskites. Starting from a database of over 2000 solvents, we identified a series of 12 new solvents suitable for the processing of formamidinium tin iodide perovskite (FASnI3) by investigating (1) the solubility of the precursor chemicals FAI and SnI2, (2) the thermal stability of the precursor solution, and (3) the possibility of forming perovskite. Finally, we demonstrate a new solvent system to produce solar cells outperforming those based on DMSO. Our work provides guidelines for further identification of new solvents or solvent mixtures for preparing stable tin-based perovskites.
Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materials

OpenAlex topics: Perovskite Materials and Applications · Chalcogenide Semiconductor Thin Films · Solid-state spectroscopy and crystallography

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemical, Materials and Production Engineering, University of Naples Federico II. Naples, pzz.le Vincenzo Tecchio 80, 80125 Naples, Italy

Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany

Egyptian Petroleum Research Institute, Nasr City, P.O. 11727, Cairo, Egypt

Department of Chemistry, Biology and Biotechnology, University of Perugia, via Elce di Sotto 8, I-06123 Perugia, Italy

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

Institut für Chemie, Humboldt Universität zu Berlin, AG NMR, Berlin, Germany

CompuNet, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy

Funding

Deutscher Akademischer Austauschdienst · Ministero dell?Istruzione, dell?Universit? e della Ricerca · Universit? degli Studi di Perugia · China Scholarship Council · H2020 European Research Council

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