Enhanced Structural Stability and Photo Responsiveness of CH3NH3SnI3Perovskite via Pressure-Induced Amorphization and Recrystallization

Xujie Lü; Yonggang Wang; Constantinos C. Stoumpos; Qingyang Hu; Xiaofeng Guo; Haijie Chen; Liuxiang Yang; Jesse S. Smith; Wenge Yang; Yusheng Zhao; Hongwu Xu; Mercouri G. Kanatzidis; Quanxi Jia

doi:10.1002/adma.201600771

Enhanced Structural Stability and Photo Responsiveness of CH₃NH₃SnI₃Perovskite via Pressure-Induced Amorphization and Recrystallization

Xujie Lü, Yonggang Wang, Constantinos C. Stoumpos, Qingyang Hu, Xiaofeng Guo, Haijie Chen, Liuxiang Yang, Jesse S. Smith, Wenge Yang, Yusheng Zhao, Hongwu Xu, Mercouri G. Kanatzidis, Quanxi Jia

Northwestern University

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

91 Citations (Scopus)

Abstract

Researchers compare the structural stability, electrical conductivity, and photo responsiveness of a lead-free tin halide perovskite CH₃NH₃SnI₃ before and after high-pressure treatments up to 30 GPa. The pressure-driven phase transitions and evolution of associated electrical and optoelectronic properties have been characterized by in situ synchrotron X-ray diffraction (XRD), Raman spectroscopy, electrical resistance, and photocurrent measurements during two sequential compression and decompression cycles.

Original language	English
Pages (from-to)	8663-8668
Number of pages	6
Journal	Advanced Materials
Volume	28
Issue number	39
DOIs	https://doi.org/10.1002/adma.201600771
Publication status	Published - 2016

Keywords

conductivity
enhanced photo responsiveness
high-pressure induced amorphization, recrystallization
organic–inorganic halide perovskites
stability

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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Enhanced Structural Stability and Photo Responsiveness of CH₃NH₃SnI₃Perovskite via Pressure-Induced Amorphization and Recrystallization. / Lü, Xujie; Wang, Yonggang; Stoumpos, Constantinos C.; Hu, Qingyang; Guo, Xiaofeng; Chen, Haijie; Yang, Liuxiang; Smith, Jesse S.; Yang, Wenge; Zhao, Yusheng; Xu, Hongwu; Kanatzidis, Mercouri G.; Jia, Quanxi.

In: Advanced Materials, Vol. 28, No. 39, 2016, p. 8663-8668.

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

Lü, Xujie ; Wang, Yonggang ; Stoumpos, Constantinos C. ; Hu, Qingyang ; Guo, Xiaofeng ; Chen, Haijie ; Yang, Liuxiang ; Smith, Jesse S. ; Yang, Wenge ; Zhao, Yusheng ; Xu, Hongwu ; Kanatzidis, Mercouri G. ; Jia, Quanxi. / Enhanced Structural Stability and Photo Responsiveness of CH₃NH₃SnI₃Perovskite via Pressure-Induced Amorphization and Recrystallization. In: Advanced Materials. 2016 ; Vol. 28, No. 39. pp. 8663-8668.

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abstract = "Researchers compare the structural stability, electrical conductivity, and photo responsiveness of a lead-free tin halide perovskite CH3NH3SnI3 before and after high-pressure treatments up to 30 GPa. The pressure-driven phase transitions and evolution of associated electrical and optoelectronic properties have been characterized by in situ synchrotron X-ray diffraction (XRD), Raman spectroscopy, electrical resistance, and photocurrent measurements during two sequential compression and decompression cycles.",

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