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UV-assisted deposition of ZnO nanorods

机译:紫外线辅助沉积ZnO纳米棒

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摘要

An enhanced preferred crystalline orientation in ZnO nanorods is achieved by applying ultraviolet (UV) illumination during sample deposition. The crystal field, generated from internal charge transfer between different energy bands by carrier excitations, drives crystalline growth in a preferred orientation. This work applies a novel crystalline engineering model, such that the preferred crystalline orientation in sample growth can be controlled by exciting carriers between assigned bands, which match the direction of crystal momentum between assigned bands via UV illumination.
机译:通过在样品沉积过程中施加紫外线(UV)照射,可以提高ZnO纳米棒的首选晶体取向。通过载流子激发,由不同能带之间的内部电荷转移产生的晶体场驱动晶体以优选的取向生长。这项工作应用了一种新颖的晶体工程模型,从而可以通过激发指定谱带之间的载流子来控制样品生长中的首选晶体取向,这些载流子通过紫外线照射与指定谱带之间的晶体动量方向匹配。

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