Continuous-wave lasing in halide perovskites
نویسندگان
چکیده
منابع مشابه
Continuous-wave Lasing in a Solid Polymer
2. Materials, fabrication, and characterization To overcome the insolubility problem of the inorganic precursor salts of rare-earth dopant ions in the polymer host, the Nd 3+ ions were encapsulated in a stable organic complex, Nd(TTA)3phen (TTA = thenoyltrifluoroacetone, phen = 1,10-phenanthroline) (Fig. 1a). The Nd-complex was dissolved into the polymer waveguide material, a solution of 6-FDA/...
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Metal halide semiconductors with perovskite crystal structures have recently emerged as highly promising optoelectronic materials. Despite the recent surge of reports on microcrystalline, thin-film and bulk single-crystalline metal halides, very little is known about the photophysics of metal halides in the form of uniform, size-tunable nanocrystals. Here we report low-threshold amplified spont...
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The charge transport properties of hybrid halide perovskites are investigated with a combination of density functional theory including van der Waals interaction and the Boltzmann theory for diffusive transport in the relaxation time approximation. We find the mobility of electrons to be in the range 5-10 cm(2)V(-1)s(-1) and that for holes within 1-5 cm(2)V(-1)s(-1), where the variations depend...
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Lead halide perovskites show marked defect tolerance responsible for their excellent optoelectronic properties. These properties might be explained by the formation of large polarons, but how they are formed and whether organic cations are essential remain open questions. We provide a direct time domain view of large polaron formation in single-crystal lead bromide perovskites CH3NH3PbBr3 and C...
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ژورنال
عنوان ژورنال: Science China Materials
سال: 2018
ISSN: 2095-8226,2199-4501
DOI: 10.1007/s40843-018-9273-2