Enhanced Photovoltaic Performance of Perovskite Solar Cells by Copper Chloride (CuCl2) as an Additive in Single Solvent Perovskite Precursor

In this letter, we have introduced copper chloride (CuCl 2 ) as an additive in the CH 3 NH 3 PbI 3 precursor solution to improve the surface morphology and crystallinity of CH 3 NH 3 PbI 3 films in a single solvent system. Our optimized perovskite solar cells (PSCs) with 2.5 mol% CuCl 2 additive sho...

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Veröffentlicht in:	Electronic materials letters 2018, 14(6), , pp.712-717
Hauptverfasser:	Emrul Kayesh, Md, Matsuishi, Kiyoto, Chowdhury, Towhid H., Kaneko, Ryuji, Noda, Takeshi, Islam, Ashraful
Format:	Artikel
Sprache:	eng
Schlagworte:	Characterization and Evaluation of Materials Chemistry and Materials Science Condensed Matter Physics Copper Copper chloride Energy conversion efficiency Materials Science Morphology Nanotechnology Nanotechnology and Microengineering Optical and Electronic Materials Perovskites Photovoltaic cells Precursors Solar cells Solvents 전자/정보통신공학
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Zusammenfassung:	In this letter, we have introduced copper chloride (CuCl 2 ) as an additive in the CH 3 NH 3 PbI 3 precursor solution to improve the surface morphology and crystallinity of CH 3 NH 3 PbI 3 films in a single solvent system. Our optimized perovskite solar cells (PSCs) with 2.5 mol% CuCl 2 additive showed best power conversion efficiency (PCE) of 15.22%. The PCE of the PSCs fabricated by CuCl 2 (2.5 mol%) additive engineering was 56% higher than the PSC fabricated with pristine CH 3 NH 3 PbI 3 . Graphical Abstract
ISSN:	1738-8090 2093-6788
DOI:	10.1007/s13391-018-0075-5