Effect of surfactants on morphology, structure and photoluminescence properties of Eu-doped ZnO microsphere
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School of Physics Science and Technology, Xinjiang University, Urumqi 830046, China

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    Abstract:

    The influence of polyvinylpyrrolidone (PVP) and monoethanolamine (MEA) as surfactants on photoluminescence (PL) of Eu-doped ZnO (ZnO:Eu) has been studied. X-ray diffraction (XRD) results show that there are more Eu3+ ions to replace Zn2+ ions into ZnO lattice for ZnO:Eu in the presence of surfactant MEA. From the spectral analysis for ZnO:Eu with different surfactants by Gaussian deconvolution, it can be seen that the use of MEA as a surfactant affects the energy transfer from ZnO host to Eu3+ ions and leads to three new emission peaks, including UV emission (389 nm), violet emission (411 nm) and green emission (506 nm).

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LI Peng, ZHANG Hong-yan, LI Zhi-jun, ZHANG Jun. Effect of surfactants on morphology, structure and photoluminescence properties of Eu-doped ZnO microsphere[J]. Optoelectronics Letters,2020,16(4):293-297

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History
  • Received:August 03,2019
  • Revised:October 15,2019
  • Online: July 03,2020
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