引用本文:
崔毅, 王德军, 王宝辉, 李铁津, 董相廷, 洪广言. Er2O3纳米晶光伏特性及谱带解析[J]. 物理化学学报,
1995, 11(01): 1-4.
doi:
10.3866/PKU.WHXB19950101
Citation: Cui Yi, Wang Bao-Hui, Dong Xiang-Ting, HONG Guang-Yan. The Photovoltage Properties and the Spertrum Analyses of Nanocrystalline Er2O3[J]. Acta Physico-Chimica Sinica, 1995, 11(01): 1-4. doi: 10.3866/PKU.WHXB19950101
Citation: Cui Yi, Wang Bao-Hui, Dong Xiang-Ting, HONG Guang-Yan. The Photovoltage Properties and the Spertrum Analyses of Nanocrystalline Er2O3[J]. Acta Physico-Chimica Sinica, 1995, 11(01): 1-4. doi: 10.3866/PKU.WHXB19950101
English
The Photovoltage Properties and the Spertrum Analyses of Nanocrystalline Er2O3
Abstract:
The diffuse reflectance spectra of nanocrystalline Er2O3 were measured in theUV-vis region. It was found that the f →f transition bands become stronger with the decrease of the size of particles. The tail-band in the range of 300 ~ 550nm was assigned to the O2p→Er4f transition. Both behavior of light-induced charge transfer and photovoltaic properties of nanocrystalline Er2O3 were investigated with surface photovoltage spectroscopy (SPS). The SPS shows that two peaks appear at 340nm (p1) and 385nm (p2).The observed spectral features can be explained in terms of charge transfer and interband transition.
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Key words:
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Er2O3
- / Nanocrystalline
- / Photovoltage
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