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Title: Enhanced structural stability and photo responsiveness of CH 3NH 3SnI 3 perovskite via pressure-induced amorphization and recrystallization

An organic–inorganic halide CH 3NH 3SnI 3 perovskite with significantly improved structural stability is obtained via pressure-induced amorphization and recrystallization. In situ high-pressure resistance measurements reveal an increased electrical conductivity by 300% in the pressure-treated perovskite. Photocurrent measurements also reveal a substantial enhancement in visible-light responsiveness. In conclusion, the mechanism underlying the enhanced properties is shown to be associated with the pressure-induced structural modification.
Authors:
 [1] ;  [2] ;  [3] ;  [4] ;  [1] ;  [3] ;  [5] ;  [5] ;  [4] ;  [6] ;  [1] ;  [3] ;  [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Univ. of Nevada, Las Vegas, NV (United States); Carnegie Institution of Washington, Argonne, IL (United States)
  3. Northwestern Univ., Evanston, IL (United States)
  4. Carnegie Institution of Washington, Argonne, IL (United States); Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai (China)
  5. Carnegie Institution of Washington, Argonne, IL (United States)
  6. Univ. of Nevada, Las Vegas, NV (United States); Southern Univ. of Science and Technology, Shenzhen (China)
Publication Date:
Report Number(s):
LA-UR-15-29677
Journal ID: ISSN 0935-9648
Grant/Contract Number:
AC52-06NA25396
Type:
Accepted Manuscript
Journal Name:
Advanced Materials
Additional Journal Information:
Journal Volume: 28; Journal Issue: 39; Journal ID: ISSN 0935-9648
Publisher:
Wiley
Research Org:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Material Science; Solar cells, high pressure
OSTI Identifier:
1331268

Lu, 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., and Jia, Quanxi. Enhanced structural stability and photo responsiveness of CH3NH3SnI3 perovskite via pressure-induced amorphization and recrystallization. United States: N. p., Web. doi:10.1002/adma.201600771.
Lu, 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 CH3NH3SnI3 perovskite via pressure-induced amorphization and recrystallization. United States. doi:10.1002/adma.201600771.
Lu, 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., and Jia, Quanxi. 2016. "Enhanced structural stability and photo responsiveness of CH3NH3SnI3 perovskite via pressure-induced amorphization and recrystallization". United States. doi:10.1002/adma.201600771. https://www.osti.gov/servlets/purl/1331268.
@article{osti_1331268,
title = {Enhanced structural stability and photo responsiveness of CH3NH3SnI3 perovskite via pressure-induced amorphization and recrystallization},
author = {Lu, Xujie and Wang, Yonggang and Stoumpos, Constantinos C. and Hu, Qingyang and Guo, Xiaofeng and Chen, Haijie and Yang, Liuxiang and Smith, Jesse S. and Yang, Wenge and Zhao, Yusheng and Xu, Hongwu and Kanatzidis, Mercouri G. and Jia, Quanxi},
abstractNote = {An organic–inorganic halide CH3NH3SnI3 perovskite with significantly improved structural stability is obtained via pressure-induced amorphization and recrystallization. In situ high-pressure resistance measurements reveal an increased electrical conductivity by 300% in the pressure-treated perovskite. Photocurrent measurements also reveal a substantial enhancement in visible-light responsiveness. In conclusion, the mechanism underlying the enhanced properties is shown to be associated with the pressure-induced structural modification.},
doi = {10.1002/adma.201600771},
journal = {Advanced Materials},
number = 39,
volume = 28,
place = {United States},
year = {2016},
month = {10}
}

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