DataVXACS Applied Materials & InterfacesPaper
journal article·2020-11-25

Sodium Dodecylbenzene Sulfonate Interface Modification of Methylammonium Lead Iodide for Surface Passivation of Perovskite Solar Cells

Yuqin Zou, Renjun Guo, Ali Buyruk, Wei Chen, Tianxiao Xiao, Shanshan Yin, Xinyu Jiang, Lucas P. Kreuzer, Cheng Mu, Tayebeh Ameri, Matthias Schwartzkopf, Stephan V. Roth, Peter Müller-Buschbaum

ACS Applied Materials & Interfaces· Volume 12· Issue 47
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Source abstract

Abstract

Perovskite solar cells (PSCs) have been developed as a promising photovoltaic technology because of their excellent photovoltaic performance. However, interfacial recombination and charge carrier transport losses at the surface greatly limit the performance and stability of PSCs. In this work, the fabrication of high-quality PSCs based on methylammonium lead iodide with excellent ambient stability is reported. An anionic surfactant, sodium dodecylbenzene sulfonate (SDBS), is introduced to simultaneously passivate the defect states and stabilize the cubic phase of the perovskite film. The SDBS located at grain boundaries and the surface of the active layer can effectively passivate under-coordinated lead ions and protect the perovskite components from water-induced degradation. As a result, a champion power conversion efficiency (PCE) of 19.42% is achieved with an open-circuit voltage (VOC) of 1.12 V, a short-circuit current (JSC) of 23.23 mA cm–2, and a fill factor (FF) of 74% in combination with superior moisture stability. The SDBS-passivated devices retain 80% of their initial average PCE after 2112 h of storage under ambient conditions.
Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materials

OpenAlex topics: Perovskite Materials and Applications · Conducting polymers and applications · Advanced battery technologies research

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

Affiliations

Physik-Department, Lehrstuhl für Funktionelle Materialien, Technische Universität München, James-Franck-Straße 1, 85748 Garching, Germany

Department of Chemistry, Chair of Physical Chemistry and Center for NanoScience (CeNS), University of Munich (LMU), Butenandtstr. 5-13 (E), 81377 München, Germany

Department of Chemistry, Renmin University of China, 100872 Beijing, P. R. China

Deutsches Elektronen-Synchrotron (DESY), Notkestrasse 85, 22607 Hamburg, Germany

Department of Fibre and Polymer Technology, KTH, Teknikringen 56-58, SE-100 44 Stockholm, Sweden

Heinz Maier-Leibnitz-Zentrum (MLZ), Technische Universität München, Lichtenbergstr. 1, 85748 Garching, Germany

Funding

Technische Universit?t M?nchen · Deutsche Forschungsgemeinschaft · Center for NanoScience, Ludwig-Maximilians-Universit?t M?nchen · Bayerisches Staatsministerium f?r Bildung und Kultus, Wissenschaft und Kunst · China Scholarship Council · International Graduate School for Environmentally Responsible Functional Materials, Technical University of Munich

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