Patterning Multicolored Microdisk Laser Arrays of Cesium Lead Halide Perovskite

He, Xianxiong; Liu, Peng; Zhang, Haihua; Liao, Qing; Yao, Jiannian; Fu, Hongbing

doi:10.1002/adma.201604510

Cited by 195 publications

(164 citation statements)

References 38 publications

(47 reference statements)

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“…The lasing threshold is comparable to the results of previously reported in the literature, evidencing the good crystalline quality of as‐synthesized CsPbBr 3 nanowires . In addition to the laser threshold, the quality factor ( Q ) is another important factor to evaluate the laser performance of a laser device, which can be calculated by the formula: Q = λ/ δλ , where λ is the wavelength of the lasing mode and δλ is its corresponding FWHM . As shown in Figure d, the Lorentz fitting of the lasing peak at 532.5 nm shows the δλ is only ≈0.4 nm.…”

Section: Resultssupporting

confidence: 81%

“…[8,33,41] In addition to the laser threshold, the quality factor (Q) is another important factor to evaluate the laser performance of a laser device, which can be calculated by the formula: Q = λ/δλ, where λ is the wavelength of the lasing mode and δλ is its corresponding FWHM. [42,43] As shown in Figure 5d, the Lorentz fitting of the lasing peak at 532.5 nm shows the δλ is only ≈0.4 nm. The corresponding quality factor is calculated to be ≈1330, comparable with previous reports.…”

Section: Lasing Demonstration Based On As-synthesize Cspbx 3 Nanowirementioning

confidence: 87%

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Temperature Difference Triggering Controlled Growth of All‐Inorganic Perovskite Nanowire Arrays in Air

Wang

Yasar

Luo

et al. 2018

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All‐inorganic perovskites have attracted increasing worldwide interest due to its significantly improved stability in atmospheric environment compared to organic–inorganic hybrid perovskites, which renders it infinitely applicable in many fields such as electronics, optoelectronics, and energy storage. However, all‐inorganic perovskites have to confront the challenges from fabrication before their wide utilization in the aforementioned applications. Liquid‐phase synthesis holds the advantage of mass production and easy modulation of composition but with the deficiencies of relatively low crystallinity and disordered products. Interestingly, gas‐phase growth has complementary characteristics compared to the liquid‐phase method. In this work, it is proposed that a novel temperature difference triggers growth strategy to integrate the merits of the liquid‐ and gas‐phase methods, and the feasibility of this strategy via a simple lab‐use hot plate is demonstrated. High quality all‐inorganic perovskites, cesium lead halide (CsPbX3) nanowire arrays, can be epitaxially grown as in a gas‐phase method, but at the same time, the composition of products can be easily modulated by predesigning the recipe of precursors as in the liquid‐phase method on a large scale. Notably, the as‐fabricated CsPbX3 perovskite nanowire arrays demonstrate excellent stability and good optoelectronic properties in air. It is believed that this novel strategy can strikingly prompt the development of perovskites fabrication and applications in future.

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Section: Resultssupporting

confidence: 81%

Section: Lasing Demonstration Based On As-synthesize Cspbx 3 Nanowirementioning

confidence: 87%

Temperature Difference Triggering Controlled Growth of All‐Inorganic Perovskite Nanowire Arrays in Air

Wang

Yasar

Luo

et al. 2018

Small

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“…[27][28][29][30] Basically, the technologies for perovskite arrays can be categorized into two groups: those that split the stock solutions by patterning the substrate or by covering it with a periodic slide. [31,32] In 2015, Wang et al have fabricated perovskite microplate arrays by patterning the substrate with photolithography and an etching process. [33] Soon after, perovskite microplate-based photodetector arrays and field-effect transistor arrays were experimentally realized.…”

Section: Doi: 101002/lpor201700234mentioning

confidence: 99%

Chip‐Scale Fabrication of Uniform Lead Halide Perovskites Microlaser Array and Photodetector Array

Duan

Wang

et al. 2017

Laser & Photonics Reviews

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Lead halide perovskites have recently attracted attention due to their outstanding photoelectric properties. Hence, perovskite-based optoelectronic devices are widely studied. Herein, a simple solution-based one-step anti-solvent method to produce well-controlled and uniform CH 3 NH 3 PbBr 3 -based micro-devices is reported. It is confirmed that the size and mode numbers of the self-assembled microdisk cavities can be well controlled by modifying the size of the SiO 2 microdisks on the substrate or changing the concentration of the perovskite precursor. With this simple and robust method, the produced CH 3 NH 3 PbBr 3 microdisk arrays are extremely uniform in both their size distribution and emission spectra. Moreover, a perovskite photodetector array with fast rise (<8.3 ms) and decay (<8.3 ms) times was fabricated by periodically patterning the substrate. Based on the high controllability and high reproducibility of the patterned CH 3 NH 3 PbBr 3 microdisk arrays, this cost-effective and mass-manufacturable approach significantly increases the production yield of lead halide perovskite microdevices and boosts their ability to be used in practical applications.

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“…This new perovskite can serve as ag ain medium and microcavity to achieve broadband (475-540 nm) single-mode lasing with ahigh Qofabout 2100.All-inorganic metal halide perovskites of the form CsPbX 3 (X = Cl, Br,I ), owing to their remarkable properties,a re attracting increasing attention for use in optoelectronic devices such as solar cells,l ight-emitting diodes (LEDs), and semiconductor nanolasers. [1][2][3][4][5][6][7][8][9][10] Such all-inorganic perovskites exhibit superior properties,including improved photo-…”

mentioning

confidence: 99%

An All‐Inorganic Perovskite‐Phase Rubidium Lead Bromide Nanolaser

Tang

Dong

et al. 2019

Angew Chem Int Ed

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Rubidium lead halides (RbPbX 3 ), an important class of all-inorganic metal halide perovskites,a re attracting increasing attention for photovoltaic applications.H owever, limited by its lower Goldschmidt tolerance factor t % 0.78, allinorganic RbPbBr 3 has not been reported. Now,t he crystal structure,X-raydiffraction (XRD) pattern, and band structure of perovskite-phase RbPbBr 3 has nowb een investigated. Perovskite-phase RbPbBr 3 is unstable at room temperature and transforms to photoluminescence (PL)-inactive nonperovskite.T he structural evolution and mechanism of the perovskite-non-perovskite phase transition were clarified in RbPbBr 3 .E xperimentally,p erovskite-phase RbPbBr 3 was realized through ad ual-source chemical vapor deposition and annealing process.T hese perovskite-phase microspheres showed strong PL emission at about 464 nm. This new perovskite can serve as ag ain medium and microcavity to achieve broadband (475-540 nm) single-mode lasing with ahigh Qofabout 2100.All-inorganic metal halide perovskites of the form CsPbX 3 (X = Cl, Br,I ), owing to their remarkable properties,a re attracting increasing attention for use in optoelectronic devices such as solar cells,l ight-emitting diodes (LEDs), and semiconductor nanolasers. [1][2][3][4][5][6][7][8][9][10] Such all-inorganic perovskites exhibit superior properties,including improved photo-

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Patterning Multicolored Microdisk Laser Arrays of Cesium Lead Halide Perovskite

Cited by 195 publications

References 38 publications

Temperature Difference Triggering Controlled Growth of All‐Inorganic Perovskite Nanowire Arrays in Air

Temperature Difference Triggering Controlled Growth of All‐Inorganic Perovskite Nanowire Arrays in Air

Chip‐Scale Fabrication of Uniform Lead Halide Perovskites Microlaser Array and Photodetector Array

An All‐Inorganic Perovskite‐Phase Rubidium Lead Bromide Nanolaser

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