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author:

Xu, Mingxue (Xu, Mingxue.) [1] | Fan, Chenli (Fan, Chenli.) [2] | Yang, Chen (Yang, Chen.) [3] | Song, Kaixin (Song, Kaixin.) [4] | Hussain, Fayaz (Hussain, Fayaz.) [5] | Sheng, Weiqing (Sheng, Weiqing.) [6] | Wu, Jun (Wu, Jun.) [7] | Wang, Huanping (Wang, Huanping.) [8] | Su, Weitao (Su, Weitao.) [9] | Huang, Qingming (Huang, Qingming.) [10] | Sun, Shikuan (Sun, Shikuan.) [11]

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EI

Abstract:

Rare earth ions doping multiple activation lattice sites is an important strategy to control luminescent properties of luminescent materials. In the work, Eu2+ doped Ca9La(PO4)7 phosphor was fabricated to study with the dependence of lattice structure, site occupation on the luminescence properties. Rietveld refinement results of XRD shows that the phosphors are pure phases with the same crystal structure of whitlockite β-Ca3(PO4)2. Further, Eu2+ ions at four lattice sites are distinguished by comparing the change of bond energy, preferentially occupies the smaller energy variation sites of Eu(3)[CN = 8], Eu(4)[CN = 6](Eu luminescent center at La site), Eu(1)[CN = 7], Eu(2)[CN = 8]. The activation energy of the emission band at 418 nm is calculated at about 0.2872eV, and the activation energy of the emission band at 512 nm about 0.2022eV. © 2021 Elsevier B.V.

Keyword:

Activation energy Apatite Calcium Calcium compounds Crystal structure Employment Europium compounds Metal ions Phosphors Photoluminescence Rare earths Rietveld refinement

Community:

  • [ 1 ] [Xu, Mingxue]College of Electronics Information, Hangzhou Dianzi University, Hangzhou; 310018, China
  • [ 2 ] [Fan, Chenli]College of Electronics Information, Hangzhou Dianzi University, Hangzhou; 310018, China
  • [ 3 ] [Yang, Chen]College of Electronics Information, Hangzhou Dianzi University, Hangzhou; 310018, China
  • [ 4 ] [Song, Kaixin]College of Electronics Information, Hangzhou Dianzi University, Hangzhou; 310018, China
  • [ 5 ] [Hussain, Fayaz]Department of Materials Engineering, NED University of Engineering and Technology, Main University Road, Karachi; 75279, Pakistan
  • [ 6 ] [Sheng, Weiqing]College of Electronics Information, Hangzhou Dianzi University, Hangzhou; 310018, China
  • [ 7 ] [Wu, Jun]College of Electronics Information, Hangzhou Dianzi University, Hangzhou; 310018, China
  • [ 8 ] [Wang, Huanping]College of Materials Sciences and Engineering, China Jiliang University, Hangzhou; 310018, China
  • [ 9 ] [Su, Weitao]College of Sciences, Hangzhou Dianzi University, Hangzhou; 310018, China
  • [ 10 ] [Huang, Qingming]Testing Center of Fuzhou University, Fuzhou University, Fuzhou; 350116, China
  • [ 11 ] [Sun, Shikuan]School of Material Science and Energy Engineering, Foshan University, Foshan; Guangdong; 528000, China

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Source :

Journal of Luminescence

ISSN: 0022-2313

Year: 2021

Volume: 237

4 . 1 7 1

JCR@2021

3 . 3 0 0

JCR@2023

ESI HC Threshold:87

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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