2013
DOI: 10.1039/c2ta00672c
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Novel C3N4–CdS composite photocatalysts with organic–inorganic heterojunctions: in situ synthesis, exceptional activity, high stability and photocatalytic mechanism

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Cited by 487 publications
(250 citation statements)
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References 44 publications
(55 reference statements)
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“…To advance this graphene-like photocatalytic material, many researchers have coupled g-C 3 N 4 with CdS to increase the separation efficiency of photogenerated electrons and holes, thus to significantly enhance the photocatalytic activities for the degradation of organic compounds and hydrogen production of splitting water under visible light irradiation. By comparing the energy levels between g-C 3 N 4 and CdS, it was found that their well-matched overlapping band structures were suitable to drive photogenerated electrons and holes to migrate in the opposite direction, which might provide a feasible solution for overcoming the disadvantages of efficiency and poor photostability in CdS simultaneously [32,33]. Recently, the CdS-C 3 N 4 composite photocatalysts were fabricated by various synthesis methods in order to improve the photocatalytic performance of single-component CdS or C 3 N 4 .…”
Section: Introductionmentioning
confidence: 99%
“…To advance this graphene-like photocatalytic material, many researchers have coupled g-C 3 N 4 with CdS to increase the separation efficiency of photogenerated electrons and holes, thus to significantly enhance the photocatalytic activities for the degradation of organic compounds and hydrogen production of splitting water under visible light irradiation. By comparing the energy levels between g-C 3 N 4 and CdS, it was found that their well-matched overlapping band structures were suitable to drive photogenerated electrons and holes to migrate in the opposite direction, which might provide a feasible solution for overcoming the disadvantages of efficiency and poor photostability in CdS simultaneously [32,33]. Recently, the CdS-C 3 N 4 composite photocatalysts were fabricated by various synthesis methods in order to improve the photocatalytic performance of single-component CdS or C 3 N 4 .…”
Section: Introductionmentioning
confidence: 99%
“…[22][23][24] Thus far, CdS/g-C 3 N 4 hybrids have been investigated. [25][26][27][28] The CB offset between g-C 3 N 4 and CdS can drive the migration of electrons from g-C 3 N 4 to CdS, while holes are transferred from CdS to g-C 3 N 4 by the valance band (CV) offset, thus locally separating electrons and holes as well as isolating the later reduction and oxidation reactions in nanospace. The previous papers overwhelmingly focus on conventional g-C 3 N 4 with un-optimized texture that suffers from sluggish reaction and charge-separation kinetics, as well as low light harvesting capability.…”
Section: Introductionmentioning
confidence: 99%
“…However, a major drawback of TiO 2 is that only UV in the solar spectrum (about 3-5 %) can be utilized to initiate the photocatalytic redox processes because of the large band gaps of anatase TiO 2 (3.2 eV) and rutile TiO 2 (3.0 eV) [5][6][7] so that the effective utilization of solar energy is limited. To increase the utilization efficiency of sunlight and improve the photocatalytic activity, novel visible-light-driven photocatalysts with high activity and stability must be developed [8,9].…”
Section: Introductionmentioning
confidence: 99%