Phenyl-C61-Butyric Acid Methyl Ester Hybrid Solution for Efficient CH 3 NH 3 PbI 3 Perovskite Solar Cells

MiJoung Kim, MoonHoe Kim, JungSeock Oh, NamHee Kwon, Yoonmook Kang and JungYup Yang
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MiJoung Kim: Department of Physics, Kunsan National University, Gunsan 54150, Korea
MoonHoe Kim: Department of Physics, Kunsan National University, Gunsan 54150, Korea
JungSeock Oh: Department of Physics, Kunsan National University, Gunsan 54150, Korea
NamHee Kwon: Department of Physics, Kunsan National University, Gunsan 54150, Korea
Yoonmook Kang: KU-KIST Green School, Graduate School of Energy and Environment, Korea University, Seoul 02841, Korea
JungYup Yang: Department of Physics, Kunsan National University, Gunsan 54150, Korea

Sustainability, 2019, vol. 11, issue 14, 1-11

Abstract: Organic–inorganic halide perovskite solar cells (PSCs) have excellent chemical, electronic, and optical properties, making them attractive next-generation thin-film solar cells. Typical PSCs were fabricated with a perovskite absorber layer between the TiO 2 electron-transport layer (ETL) and the 2,2′,7,7′-tetrakis-(N,N-di-4-methoxyphenylamino)-9,9′-spirobifluorene (Spiro-OMeTAD) hole-transport layer (HTL). We examined the influence of phenyl-C61-butyric acid methyl ester (PCBM) on the PSC device. PSCs using the PCBM layer as an ETL were investigated, and the absorber layer was coated by dissolving PCBM in a methyl ammonium lead iodide (MAPbI 3 ) precursor solution to examine the changes at the perovskite interface and inside the perovskite absorber layer. The PSCs fabricated by adding a small amount of PCBM to the MAPbI 3 solution exhibited a significantly higher maximum efficiency of 16.55% than conventional PSCs (14.34%). Fabricating the PCBM ETL and PCBM-MAPbI 3 hybrid solid is expected to be an efficient route for improving the photovoltaic performance.

Keywords: Perovskite photovoltaic devices; phenyl-C61-butyric acid methyl ester; MAPbI 3; Efficiency (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2019
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