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Mechanism of NO Photocatalytic Oxidationon g-C3N4 Was Changed by Pd-QDs Modification
Li, YH (Li, Yuhan); Yang, LP (Yang, Liping); Dong, GH (Dong, Guohui); Ho, WK (Ho, Wingkei)
2016
发表期刊MOLECULES
卷号21期号:1
摘要Quantum dot (QD) sensitization can increase the light absorption and electronic transmission of photocatalysts. However, limited studies have been conducted on the photocatalytic activity of photocatalysts after modification by noble metal QDs. In this study, we developed a simple method for fabricating Pd-QD-modified g-C3N4. Results showed that the modification of Pd-QDs can improve the NO photocatalytic oxidation activity of g-C3N4. Moreover, Pd-QD modification changed the NO oxidation mechanism from the synergistic action of h(+) and O-2(-) to the single action of OH. We found that the main reason for the mechanism change was that Pd-QD modification changed the molecular oxygen activation pathway from single-electron reduction to two-electron reduction. This study can not only develop a novel strategy for modifying Pd-QDs on the surface of photocatalysts, but also provides insight into the relationship between Pd-QD modification and the NO photocatalytic oxidation activity of semiconductor photocatalysts.
关键词Quantum Dot G-c3n4 Photocatalytic Oxidation No
DOI10.3390/molecules21010036
收录类别SCI
WOS记录号WOS:000369485600027
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/4704
专题环境科学与技术研究室
作者单位1.Hong Kong Inst Educ, Dept Sci & Environm Studies, Tai Po, Hong Kong, Peoples R China
2.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Lab Environm Sci & Technol, Urumqi 830011, Peoples R China
3.Chinese Acad Sci, Key Lab Funct Mat & Devices Special Environm, Urumqi 830011, Peoples R China
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Li, YH ,Yang, LP ,Dong, GH ,et al. Mechanism of NO Photocatalytic Oxidationon g-C3N4 Was Changed by Pd-QDs Modification[J]. MOLECULES,2016,21(1).
APA Li, YH ,Yang, LP ,Dong, GH ,&Ho, WK .(2016).Mechanism of NO Photocatalytic Oxidationon g-C3N4 Was Changed by Pd-QDs Modification.MOLECULES,21(1).
MLA Li, YH ,et al."Mechanism of NO Photocatalytic Oxidationon g-C3N4 Was Changed by Pd-QDs Modification".MOLECULES 21.1(2016).
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