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author:

Zhou, Haifang (Zhou, Haifang.) [1] | Wang, Chunxia (Wang, Chunxia.) [2] | Lai, Yunfeng (Lai, Yunfeng.) [3] | Yu, Jinlin (Yu, Jinlin.) [4] | Cheng, Shuying (Cheng, Shuying.) [5]

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Abstract:

Surface plasmon effects of Ag nanoparticles (NPs) have been extensively applied to enhance upconversion luminescence (UCL) properties of the nanoparticles doped with rare earth ions. However, it is important to control the effective coupling distance between the Ag NPs and the upconversion nanoparticles (UCNPs). In this work, the Ag/ZnO/UC composite films were fabricated by vacuum methods, and the influence of the ZnO spacer layer thickness on spectral properties was investigated. These studies reveal that the ZnO spacer thickness has a strong effect on the Ag NPs plasma resonance and UCL intensity. The highest enhancement factors of the red and green emissions were found to be 18.6 and 5.3 under 980 nm excitation, respectively. That is attributed to the enhancement of the absorption and excitation rate for UCNPs under the equilibrium between non-radiative energy and local field effect. © 2021, The Author(s), under exclusive licence to Springer-Verlag GmbH, DE part of Springer Nature.

Keyword:

Composite films Electron resonance II-VI semiconductors Luminescence Metal ions Nanoparticles Oxide minerals Rare earths Shims Silver nanoparticles Surface plasmon resonance Surface plasmons Zinc oxide

Community:

  • [ 1 ] [Zhou, Haifang]School of Physics and Information Engineering, and Institute of Micro-Nano Devices & Solar Cells, Fuzhou University, Fuzhou; 350108, China
  • [ 2 ] [Zhou, Haifang]Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou; Jiangsu Province; 213164, China
  • [ 3 ] [Wang, Chunxia]School of Physics and Information Engineering, and Institute of Micro-Nano Devices & Solar Cells, Fuzhou University, Fuzhou; 350108, China
  • [ 4 ] [Lai, Yunfeng]School of Physics and Information Engineering, and Institute of Micro-Nano Devices & Solar Cells, Fuzhou University, Fuzhou; 350108, China
  • [ 5 ] [Yu, Jinlin]School of Physics and Information Engineering, and Institute of Micro-Nano Devices & Solar Cells, Fuzhou University, Fuzhou; 350108, China
  • [ 6 ] [Cheng, Shuying]School of Physics and Information Engineering, and Institute of Micro-Nano Devices & Solar Cells, Fuzhou University, Fuzhou; 350108, China

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Source :

Applied Physics A: Materials Science and Processing

ISSN: 0947-8396

Year: 2021

Issue: 5

Volume: 127

2 . 9 8 3

JCR@2021

2 . 5 0 0

JCR@2023

ESI HC Threshold:87

JCR Journal Grade:2

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 7

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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