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无基底透明二氧化钛纳米管阵列薄膜的制备 被引量:8

Preparation of free-standing transparent titania nanotube array membranes
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摘要 在由乙二醇、水、氟化铵组成的电解液中添加钼酸钠调节阳极附近的离子浓度,制备出厚度大约为10微米的透明二氧化钛纳米管阵列薄膜.所得二氧化钛是无定型结构,在120℃水热处理可以将其转化成锐钛矿结构,并保持薄膜的结构完整性.该薄膜的透射率与其表面结构和晶体结构有关.这种透明二氧化钛纳米管阵列薄膜可望应用于染料敏化太阳能电池. The free-standing transparent TiO2 nanotube array membranes were prepared by anodization of titanium foil in ethylene glycol organic electrolyte containing water, ammonium fluoride, and sodium molybdate. The membrane was amorphous TiO2 and its thickness was about 10um. It was found that the amorphous Ti02 nanotubes could be transformed to anatase structure after a hydrothermal treatment at 120℃ while the integrity structure of the membranes was well remained It is found that the transmittance of such transparent membrane is determined by the surface structure and its crystal structure. The TiO2 nanotube array membranes can be expected to be used in dye sensitized solar cells.
出处 《材料研究学报》 EI CAS CSCD 北大核心 2009年第2期118-122,共5页 Chinese Journal of Materials Research
基金 国家九七三计划2009CB220001资助项目~~
关键词 无机非金属材料 钼酸盐 二氧化钛纳米管 透明薄膜 inorganic non-metallic materials, molybdate, TiO2 nanotubes, transparent membrane
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