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Ultrasensitive and Fast All-Inorganic Perovskite-Based Photodetector via Fast Carrier Diffusion
Yang, Bin1,2; Zhang, Fengying1; Chen, Junsheng1,3,4; Yang, Songqiu1; Xia, Xusheng1,2; Pullerits, Tonu3,4; Deng, Weiqiao1; Han, Keli1
关键词Cspbbr3 Optoelectronics Perovskites Photoluminescence Single Crystals
刊名ADVANCED MATERIALS
2017-10-25
DOI10.1002/adma.201703758
29期:40
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
关键词[WOS]PHOTOELECTRIC DETECTION APPLICATION ; OPTICAL-DATA STORAGE ; SINGLE-CRYSTALS ; QUANTUM DOTS ; OPTOELECTRONIC APPLICATION ; 2-PHOTON ABSORPTION ; HALIDE PEROVSKITES ; NARROW-BAND ; CSPBBR3 ; CH3NH3PBI3
英文摘要Low trap-state density, high carrier mobility, and efficient charge carrier collection are key parameters for photodetectors with high sensitivity and fast response time. This study demonstrates a simple solution growth method to prepare CsPbBr3 microcrystals (MCs) with low trap-state density. Time-dependent photoluminescence study with one-photon excitation (OPE) and two-photon excitation (TPE) indicates that CsPbBr3 MCs exhibit fast carrier diffusion with carrier mobility over 100 cm(2) V-1 S-1. Furthermore, CsPbBr3 MC-based photodetectors with high charge carriers' collection efficiency are fabricated. Such photodetectors show ultrahigh responsivity (R) up to 6 x 10(4) A W-1 with OPE and high R up to 6 A W-1 with TPE. The R for OPE is over one order of magnitude higher (the R for TPE is three orders of magnitude higher) than that of previously reported all-inorganic perovskite-based photodetectors. Moreover, the photodetectors exhibit fast response time of approximate to 1 ms, which corresponds to a gain approximate to 10(5) and a gain- bandwidth product of 10(8) Hz for OPE (a gain approximate to 10 (3) and a gain-bandwidth product of 10(6) Hz for TPE).
语种英语
WOS记录号WOS:000413406200024
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/149730
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, State Key Lab Mol React Dynam, DICP, 457 Zhongshan Rd, Dalian 116023, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing 10049, Peoples R China
3.Lund Univ, Dept Chem Phys, POB 124, S-22100 Lund, Sweden
4.Lund Univ, NanoLund Chem Ctr, POB 124, S-22100 Lund, Sweden
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GB/T 7714
Yang, Bin,Zhang, Fengying,Chen, Junsheng,et al. Ultrasensitive and Fast All-Inorganic Perovskite-Based Photodetector via Fast Carrier Diffusion[J]. ADVANCED MATERIALS,2017,29(40).
APA Yang, Bin.,Zhang, Fengying.,Chen, Junsheng.,Yang, Songqiu.,Xia, Xusheng.,...&Han, Keli.(2017).Ultrasensitive and Fast All-Inorganic Perovskite-Based Photodetector via Fast Carrier Diffusion.ADVANCED MATERIALS,29(40).
MLA Yang, Bin,et al."Ultrasensitive and Fast All-Inorganic Perovskite-Based Photodetector via Fast Carrier Diffusion".ADVANCED MATERIALS 29.40(2017).
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