Electrospun nitrogen and carbon co-doped porous TiO 2 nanofibers with high visible light photocatalytic activity

Nitrogen and carbon co-doped porous TiO 2 nanofibers (NCPTNs) were exploited by a combination of electrospinning and controlled calcination technologies. Polyvinyl pyrrolidone (PVP) was employed both as a template and as a nitrogen and carbon source. It is clear that the prepared NCPTNs exhibit high...

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Published in:New journal of chemistry 2015, Vol.39 (9), p.6944-6950
Main Authors: Liu, Xinping, Chen, Yanying, Cao, Changlin, Xu, Jing, Qian, Qingrong, Luo, Yongjin, Xue, Hun, Xiao, Liren, Chen, Yuming, Chen, Qinghua
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container_end_page 6950
container_issue 9
container_start_page 6944
container_title New journal of chemistry
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creator Liu, Xinping
Chen, Yanying
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description Nitrogen and carbon co-doped porous TiO 2 nanofibers (NCPTNs) were exploited by a combination of electrospinning and controlled calcination technologies. Polyvinyl pyrrolidone (PVP) was employed both as a template and as a nitrogen and carbon source. It is clear that the prepared NCPTNs exhibit high absorption in the visible light region, suggesting that the co-doping of nitrogen and carbon onto TiO 2 not only leads to a shift of the absorption edge to lower energy by inducing new band levels, but also creates large amounts of single-electron-trapped oxygen vacancy. Besides, the porous structure and high surface area provide large active points for the photodecomposition reaction of methylene blue. Moreover, the NCPTN obtained in 5 wt% urea shows the highest photocatalytic activity for methylene blue decomposition under the visible light irradiation.
doi_str_mv 10.1039/C5NJ01333J
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title Electrospun nitrogen and carbon co-doped porous TiO 2 nanofibers with high visible light photocatalytic activity
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