2019
DOI: 10.1039/c9ce00056a
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Fabrication of MoS2/TiO2 heterostructures with enhanced photocatalytic activity

Abstract: Two-dimensional nanophotocatalysts MoS2/TiO2 with a tunable decoration amount of MoS2 nanosheets were fabricated through a hydrothermal route.

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Cited by 92 publications
(56 citation statements)
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“…The HRTEM images of the heterostructure display two kind of lattice fringes as shown in the heterostructure. The attachment between MoS 2 and TiO 2 nanoparticles well aggregate the interparticle adhesive nature 61 with few coarsening as seen from the observed irregular profile that might be attributed to the thermal flux effect of heterostructures synthesis. The selected area electron diffraction (SAED) pattern suggests the existence of numerous ring patterns to explore the crystalline nature of the synthesized MoS 2 nanosheets on the TiO 2 nanostructure in detail.…”
Section: Resultsmentioning
confidence: 77%
“…The HRTEM images of the heterostructure display two kind of lattice fringes as shown in the heterostructure. The attachment between MoS 2 and TiO 2 nanoparticles well aggregate the interparticle adhesive nature 61 with few coarsening as seen from the observed irregular profile that might be attributed to the thermal flux effect of heterostructures synthesis. The selected area electron diffraction (SAED) pattern suggests the existence of numerous ring patterns to explore the crystalline nature of the synthesized MoS 2 nanosheets on the TiO 2 nanostructure in detail.…”
Section: Resultsmentioning
confidence: 77%
“…11b), the elemental distribution of Ti, O, Mo and S was evidenced Taken together, these findings corroborate the decoration of TiO2 nanoparticles by curved MoS2 sheets, made by layered basal planes. Some more, the optimal MoS2 loading to give the best performance for either photocatalytic degradation or hydrogen production was determined to be 10 wt%, thus confirming the synergistic effect between MoS2 and TiO2, which accelerates the separation and migration efficiency of charge carriers, as well as enhances the light harvest efficiency[79].…”
mentioning
confidence: 69%
“…As part of the more general grafting of heterostructures at the surface of TiO2 polytypes, 2D layered materials such as MoS2 and other group 6 transitionmetal dichalcogenides (TMDs) are known to be also effective photosensitizers to TiO2 surface, thus highlighting their potential in photoelectrochemical applications [63,64,65,66,67,68,69,70,71,72,73,74,75]. Due to the strong anisotropy of the TMDs structures, individual monolayers via cleavage along the weakly bonded van der Waals planes can be isolated, which gives rise to unique properties with respect to their 3D counterpart [63,76,77,78,79]. Among TMDs, MoS2, owing to its absorption in the UV-visible range, has attracted increasing interest as a promising material, also for its abundance, low cost, high activity, chemical stability, ability to modify the band gap from an indirect semiconductor (1.3 eV) to a direct semiconductor (1.9 eV), moving from the bulk to ultrathin and nanosized structures [23].…”
Section: Heterostructures At Tio2 Surface As Organic and Inorganic Sementioning
confidence: 99%
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