Facile synthesis of CuO/CdS heterostructure photocatalyst for the effective degradation of dye under visible light

SnO2/SnS2 nanocomposite anchored on nitrogen-doped RGO for improved photocatalytic reduction of aqueous Cr(VI)

MoS2 is a noble metal-free, earth-abundant, light-harvesting photocatalyst with simple synthesis techniques and diverse morphological modulations which provides more surface reactive sites for pollutant adherence. Notably, its tunable band edge potential between 1.2–1.9 eV depicts its visible light-responsive ability. The layered 2D structure is responsible for the high mobility of photoinduced charge carriers which makes the photodegradation process rapid and highly stable. However, n-type pristine MoS2 semiconductor photoactivity is hindered by insufficiency to generate ·OH radical which ultimately reduces the photooxidative ability of MoS2 photocatalyst. As a single semiconductor material, the large-scale application of MoS2 is still limited. In this review, we provide a brief structural and synthesis overview with updated research progress on MoS2 based heterojunctions i.e. traditional type II, all-solid-state and direct Z-scheme photocatalytic systems. They are beneficial for considerable charge separation, wide optical absorption, and improved redox ability, whereas Z-scheme heterostructures particularly provide amended oxidative ability for maximum pollutant eradication. Summary remarks the need for mechanism investigation inferring photoinduced charge carrier’s separation and possible approaches to improve the photooxidative potential of MoS2 with maximum recovery rate. Finally, a brief, conclusive remark regarding current studies and unresolved challenges of MoS2 photocatalyst are put forth for future perspectives.

An overview of strategies for enhancement in photocatalytic oxidative ability of MoS2 for water purification

Photocatalytic degradation is an upcoming technique for the removal of organic pollutants from wastewater. This topic attracts increasing interest due to its potential of utilizing “freely” availab...

MoS2 based ternary composites: review on heterogeneous materials as catalyst for photocatalytic degradation

Preparation and visible-light photocatalytic activity of ag-loaded TiO2@Y2O3 hollow microspheres with double-shell structure

Facile band alignment of C3N4/CdS/MoS2 sandwich hybrid for efficient charge separation and high photochemical performance under visible-light

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Facile band alignment of C3N4/CdS/MoS2 sandwich hybrid for efficient charge separation and high photochemical performance under visible-light