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author:

Zhang Guo-Fang (Zhang Guo-Fang.) [1] | Li Li-Ping (Li Li-Ping.) [2] | Li Guang-She (Li Guang-She.) [3] | Qiu Xiao-Qing (Qiu Xiao-Qing.) [4]

Indexed by:

SCIE CSCD

Abstract:

Nanocrystals of Ce1-xMnxO2-delta (x = 0.00, 0.05, 0.10, 0.15, and 0.20) were synthesized by a hydrothermal reaction route. The solid solutions crystallized in a cubic fluorite structure with a particle size in the range of 11 similar to 15 nm. The incorporation of Mn ions in CeO2 resulted in a lattice volume reduction. Mn ions showed a mixed valence state of +2, +3 and +4 in CeO2 lattice. An obvious red-shift of the absorption threshold edge was observed from the UV-visible spectrum; Compared with the bulk CeO2, Ce1-xMnxO2-delta nanocrystals exhibited a lower releasing oxygen temperature as indicated by TPR technique.

Keyword:

hydrothermal method Mn doped solid solutions valence state

Community:

  • [ 1 ] [Zhang Guo-Fang]Chinese Acad Sci, State Key Lab Struct Chem, Fujian Inst Res Struct Matter, Fuzhou 350002, Peoples R China
  • [ 2 ] [Li Li-Ping]Chinese Acad Sci, State Key Lab Struct Chem, Fujian Inst Res Struct Matter, Fuzhou 350002, Peoples R China
  • [ 3 ] [Li Guang-She]Chinese Acad Sci, State Key Lab Struct Chem, Fujian Inst Res Struct Matter, Fuzhou 350002, Peoples R China
  • [ 4 ] [Qiu Xiao-Qing]Chinese Acad Sci, State Key Lab Struct Chem, Fujian Inst Res Struct Matter, Fuzhou 350002, Peoples R China
  • [ 5 ] [Zhang Guo-Fang]Fuzhou Univ, Res Inst Photocatalysis, Fuzhou 350002, Peoples R China
  • [ 6 ] [Zhang Guo-Fang]Inner Mongolia Univ Sci & Technol, Rare Earth Sch, Baotou 014010, Peoples R China

Reprint 's Address:

  • [Li Li-Ping]Chinese Acad Sci, State Key Lab Struct Chem, Fujian Inst Res Struct Matter, Fuzhou 350002, Peoples R China

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Source :

CHINESE JOURNAL OF STRUCTURAL CHEMISTRY

ISSN: 0254-5861

CN: 35-1112/TQ

Year: 2010

Issue: 2

Volume: 29

Page: 307-313

0 . 6 2 4

JCR@2010

5 . 9 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

JCR Journal Grade:4

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 7

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

Online/Total:155/10041986
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