Halide perovskites have recently emerged as promising semiconductor materials for several applications including solar cells, light-emitting diodes, and radiation detectors. The charge carrier transport properties, which could be evaluated by the mobility-lifetime (mu-tau or μ-г) product, serve an important role for the development of halide perovskites for radiation detection applications. In this Perspective, we first explain the charge transport mechanism and the limiting factors that determine the intrinsic charge carrier mobility in halide perovskite single crystals. Then, we overview the techniques and methods that have been employed for evaluating the charge carrier mobility (for both electrons and holes). Finally, we discuss the discrepancy in the experimentally determined carrier mobility from the literature for halide perovskite single crystals, and provide a perspective on future developments for carrier mobility enhancement.
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19 July 2021
Perspective|
July 20 2021
Charge carrier mobility of halide perovskite single crystals for ionizing radiation detection
Zheng Zhang
;
Zheng Zhang
Department of Chemistry and Biochemistry, University of Oklahoma
, Norman, Oklahoma 73019-5251, USA
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Bayram Saparov
Bayram Saparov
a)
Department of Chemistry and Biochemistry, University of Oklahoma
, Norman, Oklahoma 73019-5251, USA
a)Author to whom correspondence should be addressed: [email protected]
Search for other works by this author on:
a)Author to whom correspondence should be addressed: [email protected]
Appl. Phys. Lett. 119, 030502 (2021)
Article history
Received:
May 20 2021
Accepted:
July 01 2021
Citation
Zheng Zhang, Bayram Saparov; Charge carrier mobility of halide perovskite single crystals for ionizing radiation detection. Appl. Phys. Lett. 19 July 2021; 119 (3): 030502. https://doi.org/10.1063/5.0057411
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