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Direct Z-scheme heterojunction impregnated MoS2-NiO-CuO nanohybrid for efficient photocatalyst and dye-sensitized solar cell.


ABSTRACT: In this present work, the preparation of ternary MoS2-NiO-CuO nanohybrid by a facile hydrothermal process for photocatalytic and photovoltaic performance is presented. The prepared nanomaterials were confirmed by physio-chemical characterization. The nanosphere morphology was confirmed by electron microscopy techniques for the MoS2-NiO-CuO nanohybrid. The MoS2-NiO-CuO nanohybrid demonstrated enhanced crystal violet (CV) dye photodegradation which increased from 50 to 95% at 80 min; The degradation of methyl orange (MO) dye increased from 56 to 93% at 100 min under UV-visible light irradiation. The trapping experiment was carried out using different solvents for active species and the Z-Scheme photocatalytic mechanism was discussed in detail. Additionally, a batch series of stability experiments were carried out to determine the photostability of materials, and the results suggest that the MoS2-NiO-CuO nanohybrid is more stable even after four continuous cycles of photocatalytic activity. The MoS2-NiO-CuO nanohybrid delivers photoconversion efficiency (4.92%) explored efficacy is 3.8 times higher than the bare MoS2 (1.27%). The overall results indicated that the MoS2-NiO-CuO nanohybrid nanostructure could be a potential candidate to be used to improve photocatalytic performance and DSSC solar cell applications as well.

SUBMITTER: Dharmalingam K 

PROVIDER: S-EPMC11196284 | biostudies-literature | 2024 Jun

REPOSITORIES: biostudies-literature

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Direct Z-scheme heterojunction impregnated MoS<sub>2</sub>-NiO-CuO nanohybrid for efficient photocatalyst and dye-sensitized solar cell.

Dharmalingam Karthigaimuthu K   Bojarajan Arjun Kumar AK   Gopal Ramalingam R   Thangavel Elangovan E   Burhan Al Omari Salah Addin SA   Sangaraju Sambasivam S  

Scientific reports 20240624 1


In this present work, the preparation of ternary MoS<sub>2</sub>-NiO-CuO nanohybrid by a facile hydrothermal process for photocatalytic and photovoltaic performance is presented. The prepared nanomaterials were confirmed by physio-chemical characterization. The nanosphere morphology was confirmed by electron microscopy techniques for the MoS<sub>2</sub>-NiO-CuO nanohybrid. The MoS<sub>2</sub>-NiO-CuO nanohybrid demonstrated enhanced crystal violet (CV) dye photodegradation which increased from 5  ...[more]

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