Structural, optical, and photocatalytic activity of ZnS:Er nanoparticles

Department of Electronic Engineering, Gangneung-Wonju National Univeristy, Gangneung, 25457, South Korea; B. Poornaprakash; P. T. Puneetha; Department of Robotics and Intelligent Machine Engineering/College of Mechanical and IT Engineering, Yeungnam University, Gyeongsan 38541, South Korea; M. S. P. Reddy; Advanced Material Research Center, Kumoh National Institute of Technology, Gumi-39177, South Korea; Y. L. Kim; Department of Electronic Engineering, Gangneung-Wonju National Univeristy, Gangneung, 25457, South Korea

doi:10.15251/cl.2023.202.85

journal article·2023-02-23Open access

Structural, optical, and photocatalytic activity of ZnS:Er nanoparticles

Department of Electronic Engineering, Gangneung-Wonju National Univeristy, Gangneung, 25457, South Korea, B. Poornaprakash, P. T. Puneetha, Department of Robotics and Intelligent Machine Engineering/College of Mechanical and IT Engineering, Yeungnam University, Gyeongsan 38541, South Korea, M. S. P. Reddy, Advanced Material Research Center, Kumoh National Institute of Technology, Gumi-39177, South Korea, Y. L. Kim, Department of Electronic Engineering, Gangneung-Wonju National Univeristy, Gangneung, 25457, South Korea

Chalcogenide Letters· Volume 20· Issue 2

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Abstract

ZnS and Er (2 at%) doped ZnS nanoparticles (NPs) were synthesized through coprecipitation process. EDAX analysis confirmed that the presence of Er (III) ions in the prepared sample with an anticipated stoichiometry. TEM analyses displayed that the prepared NPs showed near spheroid shapes with an average size ranging from 4.8 to 5.2 nm. XRD measurements confirmed the authentic incorporation of Er (III) ions in the ZnS lattice. DRS measurements certified that Er (III) doping declines the ZnS bandgap from 3.72 to 3.56 eV. Magnetic measurements revealed that the Er-doped ZnS NPs displayed soft ferromagnetism and became better at higher doping concentrations. The Er (2 at%) doped ZnS NPs exhibited a higher rhodamine B dye degradation rate than the ZnS. Hence, the Er doped ZnS NPs are promising materials for dye degradation and optoelectronics.

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Research context

Nanomaterials Electronic materials Catalysis & surfaces

OpenAlex topics: Quantum Dots Synthesis And Properties · ZnO doping and properties · Advanced Photocatalysis Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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