2017
DOI: 10.1016/j.apcatb.2017.03.041
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Novel (Na, O) co-doped g-C 3 N 4 with simultaneously enhanced absorption and narrowed bandgap for highly efficient hydrogen evolution

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Cited by 148 publications
(50 citation statements)
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“…Alkali metal halides have been used previous to enhance the photocatalytic activity of g-C 3 N 4 . [30][31][32][33][34] For example, Hu et al prepared K-doped g-C 3 N 4 by using dicyanadiamide and potassium hydrate as precursors, and such obtained photocatalysts have tunable band edge positions and enhanced mineralization ability. 31 Zhang et al studied K-doped g-C 3 N 4 synthesized by thermal polymerization of dicyanadiamide and KI, and found that the photocatalytic efficiency for phenol and MB degradation was about 3.3 and 5.8 times that of bulk g-C 3 N 4 , respectively.…”
Section: Introductionmentioning
confidence: 99%
“…Alkali metal halides have been used previous to enhance the photocatalytic activity of g-C 3 N 4 . [30][31][32][33][34] For example, Hu et al prepared K-doped g-C 3 N 4 by using dicyanadiamide and potassium hydrate as precursors, and such obtained photocatalysts have tunable band edge positions and enhanced mineralization ability. 31 Zhang et al studied K-doped g-C 3 N 4 synthesized by thermal polymerization of dicyanadiamide and KI, and found that the photocatalytic efficiency for phenol and MB degradation was about 3.3 and 5.8 times that of bulk g-C 3 N 4 , respectively.…”
Section: Introductionmentioning
confidence: 99%
“…On the one hand, these results indicated that the degree of crystallinity of g-C 3 N 4 (HY) slightly increased aer the hydrothermal treatment, which was consistent with the literature. 22 This was most probably due to the at layered structure being exposed and/or surface impurities being removed from the catalyst surface during the hydrothermal treatment. Wang et al 23 considered repairing the defects of bulk g-C 3 N 4 via the self-assembly of the internal hydrogen bonds of cyano and amino groups.…”
Section: Characterization Of the Catalystsmentioning
confidence: 99%
“…This implied that the interactions between the g-C 3 N 4 nanosheets decreased to some degree, which was due to the partial substitution of N atoms by O atoms. Fang et al 22 suggested that the appearance of this phenomenon could be mainly attributed to an increase in the crystallinity of g-C 3 N 4 and O-doping effects from the hydrothermal treatment. The absorption bands at 3500-2900 cm À1 , corresponding to -NH and -OH groups, were almost the same in all three catalysts, which originated from the catalyst and/or physically adsorbed water, respectively.…”
Section: Characterization Of the Catalystsmentioning
confidence: 99%
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“…17,20,21 Recently, it was more exciting that dual doping of g-C 3 N 4 by co-doping nonmetal or metal ions could combine the advantages of these single dopants, leading to enhanced photocatalytic activity, 22 and some co-doped g-C 3 N 4 based nanomaterials, including I and K, O and Na, P and Mo, Fe and P have been demonstrated to exhibit higher photocatalytic activity than that of single element doping. [23][24][25][26] Herein, we constructed Cu and O co-doped porous g-C 3 N 4 with superior photocatalytic performance via a facile one-pot thermal polymerization method. The photocatalytic degradation of LEVO was carried out to evaluate their photocatalytic activities under visible light irradiation.…”
Section: Introductionmentioning
confidence: 99%