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Fabrication of ZnO nanodisks from structural transformation of ZnO nanorods through natural oxidation and their emission characteristics
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology.
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology.
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, The Institute of Technology.
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, The Institute of Technology.
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2014 (English)In: Ceramics International, ISSN 0272-8842, E-ISSN 1873-3956, Vol. 40, no 1, 2435-2439 p.Article in journal (Refereed) Published
Abstract [en]

An environmentally benign natural oxidation based synthetic technique has been developed to grow and transform the ZnO nanorods into nanodisks at a very mild temperature of 55 degrees C with excellent features of its novelty and reproducibility. Metallic zinc foil and formamide solution have been utilized as substrate and reacting solution, respectively, for the growth of ZnO nanostructures. The optimized values of temperature, concentration of formamide and the reaction time are achieved to obtain the controlled and desired nanoscale morphologies. Detailed mechanism of the structural transformation of the nanorods into nanodisks has been discussed. Strong ultraviolet emission peak along with the much weaker deep level defects related emission has been realized in the microphotoluminescence spectrum. A visible red-shift and decrease in the intensity of ultraviolet peak are observed with increasing range of temperature from 20 to 300 K.

Place, publisher, year, edition, pages
Elsevier , 2014. Vol. 40, no 1, 2435-2439 p.
Keyword [en]
Zinc oxide; Formamide; Natural oxidation; Nanodisks; Emission characteristics
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-105038DOI: 10.1016/j.ceramint.2013.08.017ISI: 000330820600151OAI: oai:DiVA.org:liu-105038DiVA: diva2:703374
Available from: 2014-03-06 Created: 2014-03-06 Last updated: 2017-12-05

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Israr Qadir, MuhammadJamil Rana, SadafNur, OmerWillander, MagnusHoltz, Per-Olof

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Israr Qadir, MuhammadJamil Rana, SadafNur, OmerWillander, MagnusHoltz, Per-Olof
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Ceramics International
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