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Facile synthesis of zinc hydroxide carbonate flowers on zinc oxide nanorods with attractive luminescent and optochemical performance

机译:在氧化锌纳米棒上轻松合成碳酸锌氢氧化物花,具有吸引人的发光和光化学性能

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摘要

A simple synthesis route was designed to fabricate a functional composite, zinc hydroxide carbonate (ZHC) flowers on zinc oxide (ZnO) nanorods. The hydrolysis of hexamethylenetetramine (HMT) can generate various species which are slowly released and gradually change reaction modes in a Zn(NO _3)_2/HMT solution. As a result, ZnO nanorods and ZHC flowers can be sequentially synthesized and connect very well under constant experimental conditions. The obtained composite has the advantages of both components and exhibits attractive properties. For instance, ZHC flowers on ZnO nanorods exhibit strong blue emission under the excitation of ultraviolet light, and dye-sensitized solar cells with the annealed composite as photoanode achieve much higher conversion efficiency than pure nanorod arrays.
机译:设计了一种简单的合成路线,以在氧化锌(ZnO)纳米棒上制备功能性复合材料碳酸氢氧化锌(ZHC)花。六亚甲基四胺(HMT)的水解可生成各种物质,这些物质在Zn(NO _3)_2 / HMT溶液中缓慢释放并逐渐改变反应模式。结果,可以连续合成ZnO纳米棒和ZHC花,并在恒定的实验条件下很好地连接。所获得的复合材料具有两种组分的优点并且表现出吸引人的性能。例如,ZnO纳米棒上的ZHC花在紫外光的激发下显示出强烈的蓝色发射,并且以退火复合材料作为光阳极的染料敏化太阳能电池比纯纳米棒阵列具有更高的转换效率。

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