DataVXACS Energy LettersPaper
journal article·2018-07-13

Enhanced Photovoltaic Performance of FASnI3-Based Perovskite Solar Cells with Hydrazinium Chloride Coadditive

Md. Emrul Kayesh, Towhid H. Chowdhury, Kiyoto Matsuishi, Ryuji Kaneko, Said Kazaoui, Jae-Joon Lee, Takeshi Noda, Ashraful Islam

ACS Energy Letters· Volume 3· Issue 7
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Source abstract

Abstract

For the fabrication of efficient Sn-based perovskite solar cells (PSCs), deposition of uniform and pinhole-free perovskite films with low Sn4+ content remains a crucial factor. In this work, we present a coadditive engineering process by introduction of hydrazinium chloride (N2H5Cl) in a single precursor solvent system to fabricate FASnI3 perovskite films. The successful integration of N2H5Cl results in reduced concentration of Sn4+ content by 20% in the FASnI3 film leading to suppressed carrier recombination and pinhole-free uniform coverage. These remarkable improvements in the FASnI3 film results in power conversion efficiency (PCE) of Sn-based PSC up to 5.4% due to a significant increase in open-circuit voltage. Moreover, the best PSC without encapsulation showed stable shelf life up to 1000 h while retaining 65% of its initial PCE.
Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materialsMaterials processing

OpenAlex topics: Perovskite Materials and Applications · Conducting polymers and applications · Chalcogenide Semiconductor Thin Films

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

Affiliations

Photovoltaic Materials Group, Center for Green Research on Energy and Environmental Materials, National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan

Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan

Faculty of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan

College of Science and Technology, Nihon University, 1-8-14 Kanda Surugadai, Chiyoda-ku, Tokyo, 101-8308, Japan

Research Center for Photovoltaics (RCPV), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8565, Japan

Department of Energy & Materials Engineering & Research Center for Photoenergy Harvesting and Conversion Technology, Dongguk University, Seoul 04620, Republic of Korea

Funding

National Research Foundation of Korea · Japan Society for the Promotion of Science

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