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Qualifying composition dependent p and n self-doping in CH3NH3PbI3

Wang, Qi, Shao, Yuchuan, Xie, Haipeng, Lyu, Lu, Liu, Xiaoliang, Gao, Yongli, Huang, Jinsong·2014·Applied Physics Letters

Abstract

We report the observation of self-doping in perovskite. CH3NH3PbI3 was found to be either n- or p-doped by changing the ratio of methylammonium halide (MAI) and lead iodine (PbI2) which are the two precursors for perovskite formation. MAI-rich and PbI2-rich perovskite films are p and n self-doped, respectively. Thermal annealing can convert the p-type perovskite to n-type by removing MAI. The carrier concentration varied as much as six orders of magnitude. A clear correlation between doping level and device performance was also observed.

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Metadata

Authors
Wang, Q., Shao, Y., Xie, H., Lyu, L., Liu, X., Gao, Y., & Huang, J.
Venue
Applied Physics Letters
Published
2014-10-20
Volume
105
Issue
16
ISSN
  • 0003-6951 (ISSN-L)
  • 1077-3118
OpenAlex
W1998099868
Cited by
645
References
2
FWCI
25.65
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Qualifying composition dependent p and n self-doping in CH3NH3PbI3. https://app.cochat.ai/papers/10.1063/1.4899051
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Wang, Q., Shao, Y., Xie, H., Lyu, L., Liu, X., Gao, Y., & Huang, J. (2014). Qualifying composition dependent p and n self-doping in CH3NH3PbI3. Applied Physics Letters. https://doi.org/10.1063/1.4899051

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