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Free-standing ZnO-CuO composite nanowire array films and their gas sensing properties

机译:自支撑ZnO-CuO复合纳米线阵列膜及其气敏特性

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摘要

A modified hydrothermal method was developed to synthesize ZnO-CuO composite nanostructures. A free-standing film made of ZnO-CuO nanostructures was assembled on the surface of the hydrothermal solution with a smooth surface on one side and a spherical surface on the other side. The structure, growth mechanism and the optical properties of the composite nanostructures were studied. Structural characterizations indicate that the composite nanostructure mainly consisted of two single-crystal phases of CuO and ZnO. The sensitivity for CO gas detection was significantly improved for the composite CuO-ZnO nanostructure film. This method offers a possible route for the fabrication of free-standing nanostructure films of different functional composite oxides.
机译:开发了一种改进的水热法来合成ZnO-CuO复合纳米结构。将由ZnO-CuO纳米结构制成的自支撑膜组装在水热溶液的表面上,其一侧为光滑表面,另一侧为球形表面。研究了复合纳米结构的结构,生长机理和光学性质。结构表征表明,复合纳米结构主要由CuO和ZnO的两个单晶相组成。复合CuO-ZnO纳米结构薄膜对CO气体检测的灵敏度大大提高。该方法为制备不同功能性复合氧化物的自支撑纳米结构薄膜提供了可能的途径。

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