标题 |
Effect of Annealing Temperature on the Photoelectrochemical Performance of β-Bi_2O_3 Sol-Gel Thin Films
退火温度对β-Bi_2O_3溶胶-凝胶薄膜光电化学性能的影响
相关领域
结晶度
退火(玻璃)
材料科学
扫描电子显微镜
薄膜
溶胶凝胶
带隙
分析化学(期刊)
衍射
能量转换效率
化学工程
光电子学
光学
纳米技术
复合材料
化学
有机化学
物理
工程类
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作者Wang Rui-lin 摘要Bi2O3 thin films were successfully prepared on FTO substrates by the sol-gel route.The effect of annealing temperature on the film structure and photoelectrochemical performance was discussed.Bi2O3 thin films were characterized by X-ray diffraction(XRD),scanning electron microscopy(SEM),UV-vis spectroscopy and incident photon-to-electron conversion efficiency(IPCE).The results show that the 450 ℃ annealed sample shows a good crystallinity and possesses a band gap of 2.71 eV.The IPCE can reaches 25.5% at 350 nm without any additional potential vs Ag/AgCl in 1 mol/L NaOH solution. |
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