期刊
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
卷 12, 期 3, 页码 2797-2801出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2012.5757
关键词
Nanoparticles; Doping; Degradation; Dye; Ceria
类别
资金
- National Science Foundation of China [NSFC50974007]
- Scientific Research Starting Foundation for Returned Overseas Chinese Scholars, Ministry of Education
- Ministry of Human Resources and Social Security, China [411]
- Lab-Installation Foundation of Beihang University for New Teachers
Carbon and nitrogen (C-N) co-doped nano-CeO2 was synthesized by the solvothermal method using hexamethylenetetramine (HMT) as a precipitator at 140 degrees C for 24 h. We found that the degradation of acid orange 7 (AO7) was 94.4% and 98.8% with C-N co-doped nano-CeO2 upon irradiation with a 100-watt high-pressure mercury lamp (HML) and a 10-watt compact fluorescent lamp (CFL), respectively. By comparison, TiO2 degraded 68.4% and 43.0% of the AO7 irradiated by HML and CFL, respectively. We found that the degradation efficiencies of AO7 upon irradiation with the 10-watt CFL in the presence of the samples synthesized using different precipitators decreased as follows: CeO2(HMT) > CeO2-TiO2(HMT) > TiO2(HMT) >> CeO2(NaHCO3) > CeO2(Na2CO3).
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