溶胶-凝胶法制备纳米结构nb掺杂TiO2 DSSC光阳极

2012 IEEE Symposium on Humanities, Science and Engineering Research Pub Date : 2012-06-24 DOI:10.1109/SHUSER.2012.6268896

M. Musa, M. H. Mamat, M. H. Abdullah, M. F. Malek, A. Nor, N. A. Rasheid, U. Noor, M. Rusop

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引用次数: 1

摘要

采用液相溶液法制备了铌掺杂TiO2薄膜。首次将nb掺杂的溶胶-凝胶与市售的TiO2纳米粉末(Degussa P25)结合，制备了用于DSSC的nb掺杂TiO2光阳极。EDX分析证实了铌在薄膜中的存在。与未掺杂的样品相比，掺nb的TiO2样品的电阻率特性有所改善，其中掺nb的样品的电阻率值最低。作为DSSC的光阳极，其能量转换效率比未掺杂的提高了81.3%。

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A modified sol-gel method for preparing nanostructured Nb-doped TiO2 DSSC photoanode

Nb-doped TiO2 thin films have been successfully prepared using liquid phase solution method. For the first time, Nb-doped sol-gel has been combined with commercially available TiO2 nanopowder (Degussa P25) for preparing Nb-doped TiO2 photoanode for DSSC application. EDX analysis confirms the presence of Nb in the thin films. Nb-doped TiO2 sample showed improvement in term of electrical resistivity characteristic compared to undoped sample with 8.0 at% Nb-doped sample having the lowest resistivity value. When utilized as photoanode in DSSC, the energy conversion efficiency showed an improvement of 81.3% compared to the undoped one.

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2012 IEEE Symposium on Humanities, Science and Engineering Research

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