Porous g-CN with nitrogen defects and cyano groups for excellent photocatalytic nitrogen fixation without co-catalysts.

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ID: 14595
2019
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Abstract
The porous g-CN with nitrogen defects and cyano groups (NC-g-CN) is prepared via an alkali-assisted heat treatment of urea. Alkali can break hydrogen bonds, which accelerate thermal polymerization of urea and formation of nitrogen defects/cyano groups. The presence of nitrogen defects extends the absorption of visible light to longer wavelengths region. The cyano groups can trap g-CN's photoinduced electrons and therefore suppress charge recombination. The formation of porous structure increases the surface area and exposes more active sites. As a consequence, compared to pure g-CN, NC-g-CN shows boosted visible photocatalytic nitrogen fixation activity (1.59 mmol h g) without co-catalysts.
Reference Key
xue2019porousjournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Xue, Yanjun;Guo, Yichen;Liang, Zhangqian;Cui, Hongzhi;Tian, Jian;
Journal Journal of colloid and interface science
Year 2019
DOI
S0021-9797(19)30968-3
URL
Keywords Keywords not found

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