质子钛酸盐热解纳米TiO_2的光电性能

doi:10.61558/2993-074X.1948

电化学（中英文） ›› 2009, Vol. 15 ›› Issue (1): 26-29. doi: 10.61558/2993-074X.1948

质子钛酸盐热解纳米TiO_2的光电性能

曲婕;李颖;姜奇伟;高学平;

南开大学新能源材料化学研究所;

收稿日期:2009-02-28 修回日期:2009-02-28 出版日期:2009-02-28 发布日期:2009-02-28

Photoelectrochemical Properties of TiO_2 Nanoparticles

QU Jie,LI Ying,JIANG Qi-wei,GAO Xue-ping

(Institute of New Energy Material Chemistry,Nankai University,Tianjin 300071,China

Received:2009-02-28 Revised:2009-02-28 Published:2009-02-28 Online:2009-02-28

摘要/Abstract

摘要： 应用常温搅拌法合成质子钛酸盐,在不同的温度下煅烧生成TiO2纳米晶.X射线衍射、透射电镜、扫描电镜、紫外-可见光谱、光电压~电流和交流阻抗测试,表明500℃煅烧下制备的TiO2纳米晶表现出较好的光电性能,转换效率达到6.39%.

关键词: DSSCs, TiO2, 纳米颗粒, 光电性能

Abstract: The protonated titanate nanoparticles were obtained at room temperature and subsequently calcined at different temperatures(300 ℃,400 ℃,500 ℃,600 ℃ and 700 ℃) in air.The obtained products were characterized by XRD,TEM and UV-Vis.It is found that the grain sizes of TiO2 nanoparticles calcined at 300 ℃ were about 20 nm,and increased gradually with the temperature rise.Photoelectric performance was measured with I～V curve and electrochemical impedance spectroscopy(EIS).The TiO2 nanoparticles obtained at 500 ℃ showed the best photoelectrochemical properties with a photovoltaic conversion efficiency of 6.39%,which is much higher than those at other temperatures.In addition,it is also demonstrated that the charge transfer resistance of TiO2 nanoparticles obtained at 500 ℃ was much smaller.

Key words: DSSCs, TiO2, nanoparticles, photoelectrochemical properties

中图分类号:

曲婕, 李颖, 姜奇伟, 高学平, . 质子钛酸盐热解纳米TiO_2的光电性能[J]. 电化学（中英文）, 2009, 15(1): 26-29.

QU Jie, LI Ying, JIANG Qi-wei, GAO Xue-ping. Photoelectrochemical Properties of TiO_2 Nanoparticles[J]. Journal of Electrochemistry, 2009, 15(1): 26-29.

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https://electrochem.xmu.edu.cn/CN/Y2009/V15/I1/26

参考文献

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质子钛酸盐热解纳米TiO_2的光电性能

Photoelectrochemical Properties of TiO_2 Nanoparticles

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