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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
engineering
Structural, Transport and Optical Properties of Boron-doped Zinc Oxide Nanocrystalline
Journal of Materials Science and Technology, Volume 27, No. 6, Year 2011
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Description
The paper has reported the structural, transport and optical properties of boron doped zinc oxide (ZnO:B) thin films grown on glass substrate by sol-gel spin coating process. It is observed from the analysis of the X-ray diffraction (XRD) results that the crystalline quality of the films is improved with increasing B concentration. A crystallite size of ∼17 nm is obtained for B doped films. A minimum resistivity of 7.9×l0-4 Ω·cm is obtained at 0.6 at.% of B concentration in the ZnO:B films. Ionized and intragrain cluster scattering are found to dominate the scattering mechanism in ZnO:B films. Optical interference pattern in transmittance spectra shows good homogeneity with a transparency of ∼88% in the visible region. The band gap of the films is increased from 3.24 to 3.35 eV with increasing B concentration. Band gap widening is analyzed in terms of Burstein-Moss shift. The origin of the broad band photoluminescence (PL) spectra is explained in terms of the intragrain cluster scattering. © 2011 The Chinese Society for Metals.
Authors & Co-Authors
Kumar, Vinod
India, Haridwar
Gurukula Kangri Vishwavidayalaya
Singh, Ram Gopal
India, New Delhi
University of Delhi
Purohit, Lakshami Prasad
India, Haridwar
Gurukula Kangri Vishwavidayalaya
Mehra, R. M.
India, Greater Noida
Sharda University
Statistics
Citations: 121
Authors: 4
Affiliations: 3
Identifiers
Doi:
10.1016/S1005-0302(11)60095-9
ISSN:
10050302