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Facile Synthesized ZnO Microcrystals for Random Microlaser and Incandescent-type Source

Abstract

In this context, ZnO microcrystals (MCs) with well-facet, smooth surface and well-crystallized were successfully synthesized. Due to the outstanding optical response and well-faceted crystallites, the as-synthesized low-dimensional crystals were employed to construct ultraviolet microsized random lasers. Additionally, the micro/nanocrystal being foreseen as the key elements were deposited on the pre-synthesized Ga-doped ZnO microwires (ZnO/ZnO:Ga MWs) using two-step vapor-transporting synthesis method. By adjusting the as-synthesized condition, the incorporating ZnO MCs can be utilized to tailor the fundamental optical and electronic transport properties of the pre-synthesized MWs. In particular, single ZnO/ZnO:Ga MW was selected to construct typical incandescent light source, with the lighting color-tuning in a wide spectral regions. The intrinsic working principle of the color-tuning electroluminescence may be attributed to type-$\mathbf{II}$ energy band alignment towards the interface of ZnO/ZnO:Ga. Therefore, individual ZnO/ZnO:Ga MWs can endow a new sense of the oldest and simplest incandescent-type sources. It can be anticipated that the lighting features of ZnO MCs sheathed ZnO:Ga MW radial structures are extremely attractive for potential application that hammer at integrating ZnO based optoelectronic devices, such as microsized diodes and lasers, waveguides, high gain photodetectors, etc.

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Supplementary files

Publication details

The article was received on 24 Aug 2019, accepted on 20 Sep 2019 and first published on 20 Sep 2019


Article type: Paper
DOI: 10.1039/C9CE01343A
CrystEngComm, 2019, Accepted Manuscript

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    Facile Synthesized ZnO Microcrystals for Random Microlaser and Incandescent-type Source

    M. Jiang, J. Ji, W. Mao, P. Wan and C. Kan, CrystEngComm, 2019, Accepted Manuscript , DOI: 10.1039/C9CE01343A

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