Efficient and thermally stable inverted perovskite solar cells by introduction of non-fullerene electron transporting materials

Jin Hyuck Heo; Seung Chul Lee; Su Kyo Jung; O. Pil Kwon; Sang Hyuk Im

doi:10.1039/c7ta06900f

Efficient and thermally stable inverted perovskite solar cells by introduction of non-fullerene electron transporting materials

Jin Hyuck Heo, Seung Chul Lee, Su Kyo Jung, O. Pil Kwon, Sang Hyuk Im

Research output: Contribution to journal › Article › peer-review

75 Citations (Scopus)

Abstract

Highly efficient and thermally stable inverted CH₃NH₃PbI₃ (MAPbI₃) and HC(NH₂)₂PbI_3-xBr_x (FAPbI_3-xBr_x) perovskite planar solar cells are demonstrated by using a N,N′-bis(phenylmethyl)naphthalene-1,4,5,8-tetracarboxylic diimide (NDI-PM)-based electron transporting material (ETM) instead of a conventional fullerene-based phenyl-C₆₁-butyric acid methyl ester (PCBM) ETM. The MAPbI₃ and FAPbI_3-xBr_x devices with the NDI-PM-based ETM exhibit 18.4% and 19.6% power conversion efficiency under an illumination of 1 Sun (100 mW cm^-2), respectively, which are comparable to the efficiency of PCBM ETM-based ones (18.9% and 20.0%). The improved thermal stability of NDI-based perovskite solar cells is attributed to much stronger hydrogen bonds in the NDI-PM molecular crystals than the PCBM crystals.

Original language	English
Pages (from-to)	20615-20622
Number of pages	8
Journal	Journal of Materials Chemistry A
Volume	5
Issue number	39
DOIs	https://doi.org/10.1039/c7ta06900f
Publication status	Published - 2017

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Publisher Copyright:
© 2017 The Royal Society of Chemistry.

ASJC Scopus subject areas

General Chemistry
Renewable Energy, Sustainability and the Environment
General Materials Science

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abstract = "Highly efficient and thermally stable inverted CH3NH3PbI3 (MAPbI3) and HC(NH2)2PbI3-xBrx (FAPbI3-xBrx) perovskite planar solar cells are demonstrated by using a N,N′-bis(phenylmethyl)naphthalene-1,4,5,8-tetracarboxylic diimide (NDI-PM)-based electron transporting material (ETM) instead of a conventional fullerene-based phenyl-C61-butyric acid methyl ester (PCBM) ETM. The MAPbI3 and FAPbI3-xBrx devices with the NDI-PM-based ETM exhibit 18.4% and 19.6% power conversion efficiency under an illumination of 1 Sun (100 mW cm-2), respectively, which are comparable to the efficiency of PCBM ETM-based ones (18.9% and 20.0%). The improved thermal stability of NDI-based perovskite solar cells is attributed to much stronger hydrogen bonds in the NDI-PM molecular crystals than the PCBM crystals.",

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T1 - Efficient and thermally stable inverted perovskite solar cells by introduction of non-fullerene electron transporting materials

AU - Heo, Jin Hyuck

AU - Lee, Seung Chul

AU - Jung, Su Kyo

AU - Kwon, O. Pil

AU - Im, Sang Hyuk

PY - 2017

Y1 - 2017

N2 - Highly efficient and thermally stable inverted CH3NH3PbI3 (MAPbI3) and HC(NH2)2PbI3-xBrx (FAPbI3-xBrx) perovskite planar solar cells are demonstrated by using a N,N′-bis(phenylmethyl)naphthalene-1,4,5,8-tetracarboxylic diimide (NDI-PM)-based electron transporting material (ETM) instead of a conventional fullerene-based phenyl-C61-butyric acid methyl ester (PCBM) ETM. The MAPbI3 and FAPbI3-xBrx devices with the NDI-PM-based ETM exhibit 18.4% and 19.6% power conversion efficiency under an illumination of 1 Sun (100 mW cm-2), respectively, which are comparable to the efficiency of PCBM ETM-based ones (18.9% and 20.0%). The improved thermal stability of NDI-based perovskite solar cells is attributed to much stronger hydrogen bonds in the NDI-PM molecular crystals than the PCBM crystals.

AB - Highly efficient and thermally stable inverted CH3NH3PbI3 (MAPbI3) and HC(NH2)2PbI3-xBrx (FAPbI3-xBrx) perovskite planar solar cells are demonstrated by using a N,N′-bis(phenylmethyl)naphthalene-1,4,5,8-tetracarboxylic diimide (NDI-PM)-based electron transporting material (ETM) instead of a conventional fullerene-based phenyl-C61-butyric acid methyl ester (PCBM) ETM. The MAPbI3 and FAPbI3-xBrx devices with the NDI-PM-based ETM exhibit 18.4% and 19.6% power conversion efficiency under an illumination of 1 Sun (100 mW cm-2), respectively, which are comparable to the efficiency of PCBM ETM-based ones (18.9% and 20.0%). The improved thermal stability of NDI-based perovskite solar cells is attributed to much stronger hydrogen bonds in the NDI-PM molecular crystals than the PCBM crystals.

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Efficient and thermally stable inverted perovskite solar cells by introduction of non-fullerene electron transporting materials

Abstract

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UN SDGs

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