Controllable preparation of 2D and 3D ZnO micro-nanostructures and their photoelectric conversion efficiency
作者： Luyue Yang , Yi Zhou , Jun Lu , Chaocheng Li , Yuhuan Liu
DOI: 10.1007/S10854-015-3941-Z
关键词: Nanostructure 、 Materials science 、 Photoelectric conversion efficiency 、 Aqueous solution 、 Absorbance 、 Structural material 、 Transmission electron microscopy 、 Nanotechnology 、 Diffraction 、 Scanning electron microscope 、 Chemical engineering
摘要: The different morphological ZnO micro-nanostructures were prepared by solvothermal method and their photoelectric conversion efficiency applied in dye-sensitised solar cells (DSSCs) be analysed. morphologies crystalline structures of the nanocrystals grown under driving forces, which characterised scanning electron microscopy, transmission microscopy X-ray diffraction measurements. results showed that additives caused growing directions for crystal plane then formed with morphologies. UV–visible diffuse reflectance spectra displayed nanorod-assembled 3D urchin-like had strongest absorbance intensity. When they used as photo-anodes DSSCs, I–V curve enhanced to degrees. highest was micro-superstructures, synthesised NaBH4 25 % concentrated aqueous ammonia reaction system. Its is 2.37 %. Other hand, this simple controlled promising prepare low-cost, environmentally friendly high performance innovative structural materials.
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