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Perovskite CH3NH3PbI3-xBrx Single Crystals with Charge-Carrier Lifetimes Exceeding 260 mu s
Zhang, Fengying1,2; Yang, Bin2; Mao, Xin2; Yang, Ruixia2; Jiang, Lei2; Li, Yajuan2; Xiong, Jian2; Yang, Yang2; He, Rongxing1; Deng, Weiqiao2; Han, Keli2
关键词Carrier Lifetime Photovoltaic Device Single Crystal Trap-state Density Charge-injection Efficiency
刊名ACS APPLIED MATERIALS & INTERFACES
2017-05-03
DOI10.1021/acsami.7b01696
9页:14827-14832
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology
类目[WOS]Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Science & Technology - Other Topics ; Materials Science
关键词[WOS]SOLAR-CELLS ; HIGH-PERFORMANCE ; HALIDE PEROVSKITES ; EFFICIENCY ; RECOMBINATION ; DIFFUSION ; ABSORBER ; EXCHANGE ; LENGTHS ; GROWTH
英文摘要The long carrier lifetimes in perovskite single crystals have drawn significant attention recently on account of their irreplaceable contribution to high-performance photovoltaic (PV) devices. Herein, the optical and optoelectronic properties" of CH3NH3PbI3 and CH3NH3PbI3-xBrx (with five, different contents of Br doped) single crystals were investigated. Notably, a superior Carrier lifetime of up to 262 mu s Was observed in the CH3NH3PbI3-xBrx (I/Br= 10:1 in the precursor) single crystal PV device under 1 sun illumination, which is two times longer than that in the CH3NH3PbI3 single crystal. Further study confirmed that the ultralong Carrier lifetime was ascribed to the integrated superiority derived from both the low trap" -state density and high charge-injection efficiency of the device interface. On this basis, appropriate incorporation of Br is useful in the design of better PV devices.
语种英语
WOS记录号WOS:000400802700030
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/152291
专题中国科学院大连化学物理研究所
作者单位1.Southwest Univ, Coll Chem & Chem Engn, Minist Educ, Key Lab Luminescence & Real Time Analyt Chem, Chongqing 400715, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
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Zhang, Fengying,Yang, Bin,Mao, Xin,et al. Perovskite CH3NH3PbI3-xBrx Single Crystals with Charge-Carrier Lifetimes Exceeding 260 mu s[J]. ACS APPLIED MATERIALS & INTERFACES,2017,9:14827-14832.
APA Zhang, Fengying.,Yang, Bin.,Mao, Xin.,Yang, Ruixia.,Jiang, Lei.,...&Han, Keli.(2017).Perovskite CH3NH3PbI3-xBrx Single Crystals with Charge-Carrier Lifetimes Exceeding 260 mu s.ACS APPLIED MATERIALS & INTERFACES,9,14827-14832.
MLA Zhang, Fengying,et al."Perovskite CH3NH3PbI3-xBrx Single Crystals with Charge-Carrier Lifetimes Exceeding 260 mu s".ACS APPLIED MATERIALS & INTERFACES 9(2017):14827-14832.
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