Investigating the feasibility of symmetric guanidinium based plumbate perovskites in prototype solar cell devices

Sneha A. Kulkarni; Tom Baikie; Subas Muduli; Rob Potter; Shi Chen; Fanan Yanan; Peter Bishop; Swee Sien Lim; Tze Chien Sum; Nripan Mathews; Tim J. White

doi:10.7567/JJAP.56.08MC05

Investigating the feasibility of symmetric guanidinium based plumbate perovskites in prototype solar cell devices

Sneha A. Kulkarni, Tom Baikie, Subas Muduli, Rob Potter, Shi Chen, Fanan Yanan, Peter Bishop, Swee Sien Lim, Tze Chien Sum, Nripan Mathews, Tim J. White

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

20 Citations (Scopus)

Abstract

In this work we have studied the feasibility of highly symmetric guanidinium (GA; CH₆N₃ ⁺) cation in perovskite based solar cells. It is an alternative to the methyl ammonium (MA; CH₃NH₃ ⁺) or formamidinium (FA; CH(NH₂)²⁺) ions commonly utilized in the perovskite solar cells, may bring additional advantages due to its triad rotational symmetry and zero dipole moment (μ). We noticed that due to steric factors, GA preferably forms two-dimensional (2D) layer, where GA₂PbI₄ is favored monoclinic structure (E _g = 2.5 eV) and the obtained device efficiency is η = 0.45%. This study provides a guideline for designing guanidinium based perovskite absorbers for solar cell devices. In addition, through further compositional engineering with mixed organic cations using GA may enhance the device performance.

Original language	English
Article number	08MC05
Journal	Japanese Journal of Applied Physics
Volume	56
Issue number	8
DOIs	https://doi.org/10.7567/JJAP.56.08MC05
Publication status	Published - Aug 2017
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2017 The Japan Society of Applied Physics.

ASJC Scopus Subject Areas

General Engineering
General Physics and Astronomy

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title = "Investigating the feasibility of symmetric guanidinium based plumbate perovskites in prototype solar cell devices",

abstract = "In this work we have studied the feasibility of highly symmetric guanidinium (GA; CH6N3 +) cation in perovskite based solar cells. It is an alternative to the methyl ammonium (MA; CH3NH3 +) or formamidinium (FA; CH(NH2)2+) ions commonly utilized in the perovskite solar cells, may bring additional advantages due to its triad rotational symmetry and zero dipole moment (μ). We noticed that due to steric factors, GA preferably forms two-dimensional (2D) layer, where GA2PbI4 is favored monoclinic structure (E g = 2.5 eV) and the obtained device efficiency is η = 0.45%. This study provides a guideline for designing guanidinium based perovskite absorbers for solar cell devices. In addition, through further compositional engineering with mixed organic cations using GA may enhance the device performance.",

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AU - Kulkarni, Sneha A.

AU - Baikie, Tom

AU - Muduli, Subas

AU - Potter, Rob

AU - Chen, Shi

AU - Yanan, Fanan

AU - Bishop, Peter

AU - Lim, Swee Sien

AU - Sum, Tze Chien

AU - Mathews, Nripan

AU - White, Tim J.

PY - 2017/8

Y1 - 2017/8

N2 - In this work we have studied the feasibility of highly symmetric guanidinium (GA; CH6N3 +) cation in perovskite based solar cells. It is an alternative to the methyl ammonium (MA; CH3NH3 +) or formamidinium (FA; CH(NH2)2+) ions commonly utilized in the perovskite solar cells, may bring additional advantages due to its triad rotational symmetry and zero dipole moment (μ). We noticed that due to steric factors, GA preferably forms two-dimensional (2D) layer, where GA2PbI4 is favored monoclinic structure (E g = 2.5 eV) and the obtained device efficiency is η = 0.45%. This study provides a guideline for designing guanidinium based perovskite absorbers for solar cell devices. In addition, through further compositional engineering with mixed organic cations using GA may enhance the device performance.

AB - In this work we have studied the feasibility of highly symmetric guanidinium (GA; CH6N3 +) cation in perovskite based solar cells. It is an alternative to the methyl ammonium (MA; CH3NH3 +) or formamidinium (FA; CH(NH2)2+) ions commonly utilized in the perovskite solar cells, may bring additional advantages due to its triad rotational symmetry and zero dipole moment (μ). We noticed that due to steric factors, GA preferably forms two-dimensional (2D) layer, where GA2PbI4 is favored monoclinic structure (E g = 2.5 eV) and the obtained device efficiency is η = 0.45%. This study provides a guideline for designing guanidinium based perovskite absorbers for solar cell devices. In addition, through further compositional engineering with mixed organic cations using GA may enhance the device performance.

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Investigating the feasibility of symmetric guanidinium based plumbate perovskites in prototype solar cell devices

Abstract

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ASJC Scopus Subject Areas

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