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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 shu

The Photovoltage Properties and the Spertrum Analyses of Nanocrystalline Er₂O₃

1.
Department of Chemistry,Jilin University, Changchun 130023

Received Date: 23 July 1994
Available Online: 15 January 1995

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.
- Er₂O₃,
- Nanocrystalline,
- Photovoltage
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沈阳化工大学材料科学与工程学院沈阳 110142

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The Photovoltage Properties and the Spertrum Analyses of Nanocrystalline Er2O3

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通讯作者: 陈斌, bchen63@163.com

The Photovoltage Properties and the Spertrum Analyses of Nanocrystalline Er₂O₃