Energy transfer and wavelength tunable lasing of single perovskite alloy nanowire
2020-05
发表期刊NANO ENERGY (IF:16.8[JCR-2023],16.3[5-Year])
ISSN2211-2855
EISSN2211-3282
卷号71
发表状态已发表
DOI10.1016/j.nanoen.2020.104641
摘要

Single perovskite alloy nanowire capable of emitting lasing broadly and continuously is highly desirable for the miniaturization and integration of all-photonic devices. However, due to the limitation of a soft and dynamic crystal lattice and the synthesized strategy, single perovskite nanowire with single-band lasing emission is mostly observed. Here, we propose a solid-solid anion-diffusion process to construct single CsPbCl3-3xBr3x perovskite alloy nanowire with a widely tunable bandgap from 2.41 to 2.82 eV and a regularly geometrical structure. We realized a broadly and continuously tunable nanolaser from 480 to 525 nm in single CsPbCl3-3xBr3x nanowire, as different spots along the length serve as a gain medium and microcavity simultaneously. The kinetics and atomic-scale mechanism of solid-solid anion diffusion were analyzed by a quantitative study and theoretical calculations, giving a small activation energy of halide migrations. The dynamics of carrier transportations revealed the energy transfer in single CsPbCl3-3xBr3x alloy nanowire, that's why broadly tunable lasers are difficult to realize in single isolated nanowire. Our work proposes a new strategy to construct single perovskite alloy nanowire for achieving a broadly and continuously tunable laser, clarifies the mechanism and kinetics of anion diffusion in perovskite alloy nanowires.

关键词Perovskite alloy nanowire Anion diffusion mechanism Energy transfer Broadly tunable nanolaser
收录类别SCI ; SCIE ; EI
语种英语
资助项目National Natural Science Foundation of China[61675219][61875256][91950201]
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS类目Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS记录号WOS:000530669500025
出版者ELSEVIER
EI入藏号20201008252508
EI主题词Activation energy ; Diffusion ; Energy transfer ; Ions ; Laser tuning ; Lasers ; Perovskite ; Photonic devices
EI分类号Minerals:482.2 ; Light/Optics:741.1 ; Lasers, General:744.1 ; Nanotechnology:761 ; Solid State Physics:933
WOS关键词VAPOR GROWTH ; LASER ; CSPBX3
原始文献类型Article
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文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/120841
专题物质科学与技术学院_硕士生
通讯作者Dong, Hongxing; Zhang, Long
作者单位
1.Chinese Acad Sci, Lab Micronano Optoelect Mat & Devices, Lab Laser & Infrared Mat, Key Lab Mat High Power Laser,Shanghai Inst Opt &, Shanghai 201800, Peoples R China
2.Univ Chinese Acad Sci, Hangzhou Inst Adv Study, 1 Sublane Xiangshan, Hangzhou 310024, Peoples R China
3.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
4.Nanjing Xiaozhuang Univ, Nanjing Key Lab Adv Funct Mat, Nanjing 211171, Peoples R China
5.Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai 201210, Peoples R China
6.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China
推荐引用方式
GB/T 7714
Tang, Bing,Hu, Yingjie,Lu, Jian,et al. Energy transfer and wavelength tunable lasing of single perovskite alloy nanowire[J]. NANO ENERGY,2020,71.
APA Tang, Bing.,Hu, Yingjie.,Lu, Jian.,Dong, Hongxing.,Mou, Nanli.,...&Zhang, Long.(2020).Energy transfer and wavelength tunable lasing of single perovskite alloy nanowire.NANO ENERGY,71.
MLA Tang, Bing,et al."Energy transfer and wavelength tunable lasing of single perovskite alloy nanowire".NANO ENERGY 71(2020).
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