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Influence of different growth environments on the luminescence properties of ZnO nanorods grown by the vapor-liquid-solid (VLS) method
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. 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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2013 (English)In: Materials letters (General ed.), ISSN 0167-577X, E-ISSN 1873-4979, Vol. 106, 158-163 p.Article in journal (Refereed) Published
Abstract [en]

ZnO nanorods (NRs) are grown in different atmospheres (argon, air, oxygen and nitrogen) by using the vapor-liquid-solid (VLS) method. The influence of different growth atmospheres on the luminescence properties has been investigated by using the photoluminescence (PL), cathodoluminescence (CL) and electroluminescence (EL) spectra measurements at room temperature. The PL spectra investigations reveal that the air, the oxygen and the nitrogen growth atmospheres have strongly affected the oxygen interstitial (O-i) and oxygen vacancy (V-o) related deep level emission (DLE) bands in ZnO and this fact is also found consistent with the cathodoluminescence (CL) and electroluminescence (EL) spectra investigations. The color rendering investigations reveal that the growth atmospheres have also influenced the color quality of the emitted light. These results indicate that the defects related emissions from the band gap of ZnO NRs can be tuned by using different growth atmospheres. These results can be useful for the development of white light emitting diodes (WLEDs).

Place, publisher, year, edition, pages
Elsevier , 2013. Vol. 106, 158-163 p.
Keyword [en]
ZnO nanorods, VLS growth, Different ambients, Optical properties, White LEDs
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-98147DOI: 10.1016/j.matlet.2013.04.074ISI: 000322682500043OAI: oai:DiVA.org:liu-98147DiVA: diva2:652290
Available from: 2013-09-30 Created: 2013-09-30 Last updated: 2017-12-06

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Ul Hassan Alvi, NaveedNur, OmerWillander, Magnus

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Ul Hassan Alvi, NaveedNur, OmerWillander, Magnus
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Materials letters (General ed.)
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