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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Functional ZnO/polymer core-shell nanowires fabricated by oxidative chemical vapour deposition
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Functional ZnO/polymer core-shell nanowires fabricated by oxidative chemical vapour deposition

机译:通过氧化化学气相沉积法制备的功能性ZnO /聚合物核壳纳米线

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Functional ZnO-nanowire/polymer core-shell heterostructures were realized using oxidative chemical vapour deposition (oCVD). This dry and versatile technique allows uniform coating of semiconductor nanowires with polymers and simultaneous doping control of the shell. Here, 100 nm thick, p-doped shells of poly(3,4-ethylenedioxythiophene) (PEDOT) were deposited around n-conductive ZnO nanowires. Energy-dispersive x-ray spectroscopy confirms the incorporation of Br dopants into the PEDOT shell, and the resulting p-conductivity of the polymer shell is demonstrated by electrical measurements on nanowire arrays. Photoluminescence spectroscopy points to reactions of Br with the ZnO surface but proves that the nanowires show only little degradation of their optical properties.
机译:使用氧化化学气相沉积(oCVD)实现了功能性ZnO-纳米线/聚合物核-壳异质结构。这种干燥和通用的技术允许用聚合物均匀涂覆半导体纳米线,并同时控制外壳的掺杂。在此,在n导电ZnO纳米线周围沉积了100 nm厚的p()掺杂的聚(3,4-乙撑二氧噻吩)(PEDOT)壳。能量色散X射线光谱学证实了Br掺杂剂已掺入PEDOT壳中,并且通过纳米线阵列上的电学测量证明了聚合物壳的所得p导电性。光致发光光谱法指出Br与ZnO表面的反应,但证明纳米线仅显示出很少的光学性能下降。

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