纤锌矿cuins2纳米晶和其并排式纳米棒组件的 [外文翻译].zip

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纤锌矿cuins2纳米晶和其并排式纳米棒组件的 [外文翻译],材料科学与工程 材料物理与化学,外文文献翻译及原文controlled synthesis of wurtzite cuins2nanocrystals and their side-by-sidenanorod assemblies 纤锌矿cuins2纳米晶和其并排式纳米棒组件的可控合成wurtzite cuins2...
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材料科学与工程 材料物理与化学,外文文献翻译及原文

Controlled synthesis of wurtzite CuInS2nanocrystals and their side-by-sidenanorod assemblies

纤锌矿CuInS2纳米晶和其并排式纳米棒组件的可控合成

Wurtzite CuInS2nanocrystals have been synthesized by direct reaction of copper nitrate, indium nitrateand dodecanethiol. The size and shape of the nanocrystals could be elaborately controlled by varyingthe Cu/In ratio and additional ligands other than dodecanethiol, such as oleylamine and oleic acid.Especially, the nanorods obtained under a Cu/In raw material ratio of 2 : 1 with the assistance of bothdodecanethiol and oleic acid have good uniformity. They could further assemble into large-scalesuperlattices on substrates by solvent evaporation method. On the other hand, the optical propertystudies of the nanocrystals show that the band gap of wurtzite CuInS2is 1.63 eV, which is optimal forsolar cell applications. This report provides valuable insight into the controlled synthesis of ternaryI-III-VI2semiconductors and the assembly process, packing them into oriented films.

摘要
CuInS2纳米晶已经可以通过硝酸铜、 硝酸铟、正十二硫醇的直接反应合成,它的尺寸和形状可以通过改变铜/铟比、额外的配体溶液而达到精确的控制,配体溶液可以用油酰胺、油酸。尤其,在铜/铟比2:1和正十二硫醇与油酸的共同作用下得到的CuInS2纳米晶具有良好的均匀性。通过溶剂蒸发法,可以进一步在衬底组装成大型超晶格,另一方面,CuInS2光学性质显示,它的带隙为1.63ev ,能够最为理想的被应用到太阳能电池领域。这篇文章提供了CuInS2纳米晶的有效合成方法和其组装过程,可以制成定向薄膜。