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Microstructure and red luminescence of ZnO nanoparticles/nanofibers synthesized by electrospinning followed by thermal annealing
Abstract
This paper reports the red visible luminescence of ZnO nanofibers synthesized by electrospinning followed by thermal annealing. The ZnO nanofibers were prepared by electrospinning of the precursor mixture of zinc acetate/polyvinylpyrrolidone (PVP) by using different PVP concentrations, while thermal annealing was kept at 600°C. The ZnO nanofiber diameter was dependent on the PVP concentrations, which increased as PVP concentrations increased. Thermal annealing induced significant changes in ZnO nanofibers, which formed ZnO nanoparticle/nanofiber structures as a function of PVP concentrations. The ZnO nanofibers synthesized with PVP concentration of 20% induced homogeneous distribution of ZnO nanoparticles with highly visible luminescence intensities centering at ~650 nm. Results indicated that the use of electrospinning followed by thermal annealing could be an important method for the synthesis of ZnO nanoparticle/nanofiber structures, which could be used in advanced engineering such as optoelectronics and sensing.
Supporting agencies: This research is funded by Hanoi University of Science and Technology (HUST) under grant number T2018-PC-201.
About the Authors
P. V. Huan
Advanced Institute for Science and Technology (AIST) at Hanoi University of Science and Technology (HUST)
Viet Nam
Viet Nam
Hanoi
N. D. Thong
Advanced Institute for Science and Technology (AIST) at Hanoi University of Science and Technology (HUST); School of Engineering Physics at Hanoi University of Science and Technology (HUST)
Viet Nam
Viet Nam
Hanoi
V. T. P. Thuy
Advanced Institute for Science and Technology (AIST) at Hanoi University of Science and Technology (HUST); Trade Union University
Viet Nam
Viet Nam
Hanoi
L. V. Toan
Advanced Institute for Science and Technology (AIST) at Hanoi University of Science and Technology (HUST); Le Quy Don Technical University
Viet Nam
Viet Nam
Hanoi
N. D. T. Kien
Advanced Institute for Science and Technology (AIST) at Hanoi University of Science and Technology (HUST)
Viet Nam
Viet Nam
Hanoi
T. Q. Tuan
Advanced Institute for Science and Technology (AIST) at Hanoi University of Science and Technology (HUST)
Viet Nam
Viet Nam
Hanoi
V.-H. Pham
Advanced Institute for Science and Technology (AIST) at Hanoi University of Science and Technology (HUST)
Viet Nam
Viet Nam
Hanoi
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Review
For citations:
Huan P.V., Thong N.D., Thuy V.T., Toan L.V., Kien N.D., Tuan T.Q., Pham V. Microstructure and red luminescence of ZnO nanoparticles/nanofibers synthesized by electrospinning followed by thermal annealing. Zhurnal Prikladnoii Spektroskopii. 2021;88(4):665-670.
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