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首页> 外文期刊>Thin Solid Films >ZnO and Zn_(1-χ)Cd_χO nanocrystallites obtained by oxidation of precursor Langmuir-Blodgett multilayers
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ZnO and Zn_(1-χ)Cd_χO nanocrystallites obtained by oxidation of precursor Langmuir-Blodgett multilayers

机译:通过氧化前体Langmuir-Blodgett多层膜获得的ZnO和Zn_(1-χ)Cd_χO纳米晶体

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摘要

ZnO and Zn_(1-χ)Cd_χO nanocrystallites were prepared by oxidation of zinc arachidate-arachidic acid and zinc arachidate-cadmium arachidate-arachidic acid LB multilayers, respectively. The metal content of the multilayers was controlled by manipulation of subphase composition and pH. Precursor multilayers were oxidized in the temperature range of 400 ℃-700 ℃. The formation of ZnO and Zn_(1-χ)Cd_χO was confirmed by UV-Visible spectroscopy. Uniformly distributed, isolated and nearly mono-dispersed nanocrystallites of ZnO (11 ±3 nm) and Zn_(1-χ)Cd_χO (18±6 nm) were obtained.
机译:ZnO和Zn_(1-χ)Cd_χO纳米晶体分别通过氧化花生四烯酸锌-花生四烯酸和花生四烯酸锌-镉花生四烯酸-LB多层膜进行氧化制备。多层的金属含量通过控制亚相组成和pH来控制。前体多层在400℃-700℃的温度范围内被氧化。紫外可见光谱证实了ZnO和Zn_(1-χ)Cd_χO的形成。获得了均匀分布,分离且几乎单分散的ZnO(11±3 nm)和Zn_(1-χ)Cd_χO(18±6 nm)纳米晶体。

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