Freestanding CH3NH3PbBr3single-crystal microwires for optoelectronic applications synthesized with a predefined lattice framework

doi:10.1039/d1tc00316j

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	Freestanding CH3NH3PbBr3single-crystal microwires for optoelectronic applications synthesized with a predefined lattice framework
	S.-S. Yan; Y. Ma; Y.-C. Kong; J.-Z. Jiang; X.-H. Xie; S.-C. Su; Z.-K. Tang; L. Shen; S.-P. Wang and K. W. Ng
	2021
发表期刊	Journal of Materials Chemistry C
ISSN	20507534
卷号	9 期号:14 页码:4771-4781
摘要	Metal halide perovskites (MHPs) have shown unparalleled potential for optoelectronic applications. In particular, the quasi one-dimensional perovskite structures have attracted great attention due to their unique optoelectronic properties which can open up new possibilities for this exciting materials system. However, it is challenging to acquire one-dimensional cubic-phase MHPs in high yield due to their isotropic crystallization nature and instability towards conventional fabrication processes. Here, we demonstrate the feasibility of synthesizing single-crystalline perovskite microwires from an intrinsic 1D structured lattice framework which defines the size and shape of the resulting microwires. By incorporating the appropriate monovalent ions into the lattice of self-assembled PbBr2microwires, single-crystal CH3NH3PbBr3microwires are successfully synthesized. The excellent crystal quality of the microwires has led to a high carrier mobility of 36 cm2V1s1and a long charge carrier lifetime of 100 ns. As a preliminary demonstration of their optoelectronics functionality, single CH3NH3PbBr3microwire-based photodetectors are fabricated and the devices exhibit a fast response time (a rise time of 113 s and a decay time of 295 s), stable light switching behavior, high sensitivity, and good spatial resolution. The method described here proposes a novel and facile strategy for synthesizing single-crystal perovskite microwires with high yield and repeatability, showing the great promise of MHPs in micro-optoelectronic applications. The Royal Society of Chemistry 2021.
DOI	10.1039/d1tc00316j
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收录类别	SCI ; EI
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/65260
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	S.-S. Yan,Y. Ma,Y.-C. Kong,et al. Freestanding CH3NH3PbBr3single-crystal microwires for optoelectronic applications synthesized with a predefined lattice framework[J]. Journal of Materials Chemistry C,2021,9(14):4771-4781.
APA	S.-S. Yan.,Y. Ma.,Y.-C. Kong.,J.-Z. Jiang.,X.-H. Xie.,...&S.-P. Wang and K. W. Ng.(2021).Freestanding CH3NH3PbBr3single-crystal microwires for optoelectronic applications synthesized with a predefined lattice framework.Journal of Materials Chemistry C,9(14),4771-4781.
MLA	S.-S. Yan,et al."Freestanding CH3NH3PbBr3single-crystal microwires for optoelectronic applications synthesized with a predefined lattice framework".Journal of Materials Chemistry C 9.14(2021):4771-4781.

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