介电限域效应对SnO2纳米微粒光学特性的影响

doi:10.3866/PKU.WHXB19940203

Acta Phys. -Chim. Sin. ›› 1994, Vol. 10 ›› Issue (02): 103-106.doi: 10.3866/PKU.WHXB19940203

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The Effect of Dielectric Confinement Effects on the Optica Properties of SnO₂ Nanometer Particles

Yu Bao-Long, Wu Xiao-Chun, Zou Bing-Suo, Zhang Gui-Lan, Tang Guo-Qing, Chen Wen-Ju

Institute of Modern Optics, Nankai University, Tianjin 300071

Received:1993-10-15 Revised:1993-11-19 Published:1994-02-15
Contact: Yu Bao-Long

Abstract

Abstract:

It is found that the SnO_2 nanometer particle modified by chemical methods on its surface with a layer of steric acid molecules has a significant red shift of optical absorption band edge and clear photoluminescence at room temperature, which is in contrast with that of bulk SnO_2 and naked SnO_2 nanometer particles. It is concluded that these results are related to the dielectric confinement effects on the SnO_2 nanometer particles surfaces.

Key words: Dielectric confinement effect, SnO₂ nanometer particle, Surface modification

Yu Bao-Long, Wu Xiao-Chun, Zou Bing-Suo, Zhang Gui-Lan, Tang Guo-Qing, Chen Wen-Ju. The Effect of Dielectric Confinement Effects on the Optica Properties of SnO₂ Nanometer Particles[J]. Acta Phys. -Chim. Sin. 1994, 10(02), 103-106. doi: 10.3866/PKU.WHXB19940203

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The Effect of Dielectric Confinement Effects on the Optica Properties of SnO₂ Nanometer Particles

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The Effect of Dielectric Confinement Effects on the Optica Properties of SnO₂ Nanometer Particles