期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 111, 期 11, 页码 4164-4167出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp067217l
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资金
- National Research Foundation of Korea [R11-2002-102-02001-0, R01-2004-000-10173-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The effects of hydroxyl quenching were examined on the photoluminescence properties of SnO2:Eu3+ nanoparticles. High-quality SnO2:Eu3+ nanoparticles were simply synthesized from SnCl4, EuCl3, and ethylene glycol. The photoluminescence spectra showed a reddish orange emission, which gradually increased with the calcination temperature in the range from 700 to 1000 degrees C. As the calcination temperature varied, the change of the OH-/O2- integrated-intensity ratios from X-ray photoelectron spectroscopy (XPS) was qualitatively consistent with that of the photoluminescence intensities. The samples obtained after the hydrothermal treatment and after reheating, respectively, exhibited a decline and recovery of their emission intensities, and this behavior with XPS confirmed the hydroxyl-quenching effect.
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