Structural, Optical, and Electrical Properties of Tin-Doped CuS Nanoparticles for Photocatalytic Enhancement and Heterojunction Diode

Sharma, Himanshu; Surbhi,; Vinod, Arun; Rathore, Mahendra Singh

doi:10.1007/s11664-023-10781-4

J. Electron. Mater.

2023

DOI: 10.1007/s11664-023-10781-4

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Structural, Optical, and Electrical Properties of Tin-Doped CuS Nanoparticles for Photocatalytic Enhancement and Heterojunction Diode

Himanshu Sharma,

Surbhi,

Arun Vinod

et al.

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Cited by 8 publications

References 62 publications

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Charge Carrier Dynamics in Bandgap Modulated Covellite‐CuS Nanostructures

Jagadish,

Godha,

Pandit

et al. 2024

Small

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Copper Sulfide (CuS) semiconductors have garnered interest, but the effect of transition metal doping on charge carrier kinetics and bandgap remains unclear. In this study, the interactions between dopant atoms (Nickel, Cobalt, and Manganese) and the CuS lattice using spectroscopy and electrochemical analysis are explored. The findings show that sp‐d exchange interactions between band electrons and the dopant ions, which replace Cu2+, are key to altering the material's properties. Specifically, these interactions result in a reduced bandgap by shifting the conduction and valence band edges and increasing carrier concentration. It is observed that undoped CuS nanoflowers exhibit a carrier lifetime of 2.16 ns, whereas Mn‐doped CuS shows an extended lifetime of 2.62 ns. This increase is attributed to longer carrier scattering times (84 ± 5 fs for Mn‐CuS compared to 53 ± 14 fs for CuS) and slower trapping (∼1.5 ps) with prolonged de‐trapping (∼100 ps) rates. These dopant‐induced energy levels enhance mobility and carrier lifetime by reducing recombination rates. This study highlights the potential of doped CuS as cathode materials for sodium‐ion batteries and emphasizes the applicability of metal sulfides in energy solutions.

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Charge Carrier Dynamics in Bandgap Modulated Covellite‐CuS Nanostructures

Jagadish,

Godha,

Pandit

et al. 2024

Small

View full text Add to dashboard Cite

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Synthesis of ZnO nanostructure via CBD and solvothermal method using seed technique

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Rana,

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et al. 2024

J Sol-Gel Sci Technol

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Synthesis of Copper-Coated CuS Core–Shell Nanoparticles by CBD for Rhodamine Blue Dye Degradation

Kumar,

Sharma,

Yadav

et al. 2024

J. Electron. Mater.

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Structural, Optical, and Electrical Properties of Tin-Doped CuS Nanoparticles for Photocatalytic Enhancement and Heterojunction Diode

Cited by 8 publications

References 62 publications

Charge Carrier Dynamics in Bandgap Modulated Covellite‐CuS Nanostructures

Charge Carrier Dynamics in Bandgap Modulated Covellite‐CuS Nanostructures

Synthesis of ZnO nanostructure via CBD and solvothermal method using seed technique

Synthesis of Copper-Coated CuS Core–Shell Nanoparticles by CBD for Rhodamine Blue Dye Degradation

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