Synthesis of microstructures of WOx-ZnO double-layer by two-step process

被引：2
作者：
Peng, Xiaoyan [1 ]
Chu, Jin [1 ]
Feng, Peter [1 ]
机构：
[1] Univ Puerto Rico, Dept Phys, Rio Piedras, PR 00936 USA
来源：
MATERIALS LETTERS | 2012年 / 73卷
关键词：
Double-layer; Zinc oxide; Tungsten oxide; Anomalous modes; FILMS; NANOWIRES; LI;
D O I：
10.1016/j.matlet.2012.01.017
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Double-layer microstructure of tungsten oxide and zinc oxide is synthesized by two-step process at low temperature. XRD reveals that the microstructures are well crystalline. The defect-induced breakdown of the crystal symmetry can be deduced from the appearance of the wurtzite-ZnO silent modes in Raman spectra. The existence of the tungsten metal in the WOx is proposed for the generation of the defects. The improved sensing properties of the ZnO with WOx medialayer suggest that the synthesized structures could be used as gas sensor. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：65 / 67
页数：3
相关论文
共 20 条
  • [1] Raman scattering in ZnO thin films doped with Fe, Sb, Al, Ga, and Li
    Bundesmann, C
    Ashkenov, N
    Schubert, M
    Spemann, D
    Butz, T
    Kaidashev, EM
    Lorenz, M
    Grundmann, M
    [J]. APPLIED PHYSICS LETTERS, 2003, 83 (10) : 1974 - 1976
  • [2] Field emission display device structure based on double-gate driving principle for achieving high brightness using a variety of field emission nanoemitters
    Chen, Jun
    Dai, Y. Y.
    Luo, J.
    Li, Z. L.
    Deng, S. Z.
    She, J. C.
    Xu, N. S.
    [J]. APPLIED PHYSICS LETTERS, 2007, 90 (25)
  • [3] The synthesis and selective gas sensing characteristics of SnO2/α-Fe2O3 hierarchical nanostructures
    Chen, Yujin
    Zhu, Chunling
    Shi, Xiaoling
    Cao, Maosheng
    Jin, Haibo
    [J]. NANOTECHNOLOGY, 2008, 19 (20)
  • [4] Study of the structural evolutions of crystalline tungsten oxide films prepared using hot-filament CVD
    Feng, P. X.
    Wang, X. P.
    Zhang, H. X.
    Yang, B. Q.
    Wang, Z. B.
    Gonzalez-Berrios, A.
    Morell, G.
    Weiner, B.
    [J]. JOURNAL OF PHYSICS D-APPLIED PHYSICS, 2007, 40 (17) : 5239 - 5245
  • [5] A novel compact design of calibration equipment for gas and thermal sensors
    Feng, P. X.
    Zhang, H. X.
    Peng, X. Y.
    Sajjad, M.
    Chu, J.
    [J]. REVIEW OF SCIENTIFIC INSTRUMENTS, 2011, 82 (04)
  • [6] Structure evaluation and highly enhanced luminescence of Dy3+-doped ZnO nanocrystals by Li+ doping via combustion method
    Gu, F
    Wang, SF
    Lü, MK
    Zhou, GJ
    Xu, D
    Yuan, DR
    [J]. LANGMUIR, 2004, 20 (09) : 3528 - 3531
  • [7] KANG WP, 1993, SENSOR ACTUAT B-CHEM, V13, P682
  • [8] Highly conductive coaxial SnO2-In2O3 heterostructured nanowires for li ion battery electrodes
    Kim, Dong-Wan
    Hwang, In-Sung
    Kwon, S. Joon
    Kang, Hae-Yong
    Park, Kyung-Soo
    Choi, Young-Jin
    Choi, Kyoung-Jin
    Park, Jae-Gwan
    [J]. NANO LETTERS, 2007, 7 (10) : 3041 - 3045
  • [9] Silent Raman modes in zinc oxide and related nitrides -: art. no. 053516
    Manjón, FJ
    Marí, B
    Serrano, J
    Romero, AH
    [J]. JOURNAL OF APPLIED PHYSICS, 2005, 97 (05)
  • [10] A comprehensive review of ZnO materials and devices -: art. no. 041301
    Ozgür, U
    Alivov, YI
    Liu, C
    Teke, A
    Reshchikov, MA
    Dogan, S
    Avrutin, V
    Cho, SJ
    Morkoç, H
    [J]. JOURNAL OF APPLIED PHYSICS, 2005, 98 (04) : 1 - 103
12