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Composite Materials Based on Nanostructured Zinc Oxide

机译:纳米结构的氧化锌复合材料

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Composites formed from ZnO nanorods in combination with CuO or Ag nanoparticles are produced by the deposition of CuO or Ag nanoparticles onto ZnO nanorod arrays grown by the hydrothermal technique. The CuO nanoparticles are synthesized by the vacuum thermal deposition of a Cu layer followed by vacuum annealing at a temperature of 350°C for 1 h. CuO particles covered with a layer of nanoneedles are obtained. The current-voltage characteristics of the ZnO/CuO layers are indicative of the formation of a p-n junction. The ZnO/Ag composites are produced by the electrical deposition of Ag nanoparticles synthesized in an aqueous solution of silver nitrate and sodium citrate. The surface morphology and the optical and electrical properties of the samples are studied.
机译:通过将CuO或Ag纳米颗粒沉积到通过水热技术生长的ZnO纳米棒阵列上,可以生产由ZnO纳米棒与CuO或Ag纳米颗粒组合而成的复合材料。通过真空热沉积Cu层,然后在350°C的温度下真空退火1 h来合成CuO纳米颗粒。获得覆盖有纳米针层的CuO颗粒。 ZnO / CuO层的电流-电压特性指示p-n结的形成。 ZnO / Ag复合材料是通过电沉积在硝酸银和柠檬酸钠水溶液中合成的Ag纳米颗粒而生产的。研究了样品的表面形态以及光学和电学性质。

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