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Author:

Chen, Xuean (Chen, Xuean.) | Song, Fangping (Song, Fangping.) | Chang, Xinan (Chang, Xinan.) | Zang, Hegui (Zang, Hegui.) | Xiao, Weiqiang (Xiao, Weiqiang.)

Indexed by:

EI Scopus SCIE

Abstract:

Two oxoborates, (Pb3O)(2)(BO3)(2)MO4 (M = CF, MO), have been prepared by solid-state reactions below 700 degrees C. Single-crystal XRD analyses showed that the CF Compound crystallizes in the orthorhombic group Pnma with a = 6.4160(13) angstrom, b = 11.635(2) angstrom, c = 18.164(4) angstrom, Z = 4 and the Mo analog in the group Cmcm with a = 18.446(4) angstrom, b = 6.3557(13) angstrom, c = 11.657(2) angstrom, Z = 4. Both compounds are characterized by one-dimensional (1)(infinity)[Pb3O](4+) chains formed by corner-sharing OPb4 tetrahedra. BO3 and CrO4 (MoO4) groups are located around the chains to hold them together via Pb-O bonds. The IR spectra further confirmed the presence of BO3 groups in both structures and UV-vis diffuse reflectance spectra showed band gaps of about 1.8 and 2.9 eV for the CF and MID Compounds, respectively. Band structure calculations indicated that (Pb3O)(2)(BO3)(2)MoO4 is a direct semiconductor with the calculated energy gap of about 2.4 eV. (C) 2009 Elsevier Inc. All Fights reserved.

Keyword:

Crystal structure Borate (Pb3O)(2)(BO3)(2)CrO4 (Pb3O)(2)(BO3)(2)MoO4 Synthesis

Author Community:

  • [ 1 ] [Chen, Xuean]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Song, Fangping]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Chang, Xinan]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Zang, Hegui]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 5 ] [Xiao, Weiqiang]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Chen, Xuean]Beijing Univ Technol, Coll Mat Sci & Engn, Ping Le Yuan 100, Beijing 100124, Peoples R China

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Source :

JOURNAL OF SOLID STATE CHEMISTRY

ISSN: 0022-4596

Year: 2009

Issue: 11

Volume: 182

Page: 3091-3097

3 . 3 0 0

JCR@2022

ESI Discipline: CHEMISTRY;

JCR Journal Grade:2

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 15

SCOPUS Cited Count: 13

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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