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Comparative PL stud...
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Khranovskyy, VolodymyrLinköpings universitet,Halvledarmaterial,Tekniska högskolan
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Comparative PL study of individual ZnO nanorods, grown by APMOCVD and CBD techniques
- Article/chapterEnglish2012
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Elsevier,2012
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electronicrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:liu-77525
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-77525URI
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https://doi.org/10.1016/j.physb.2011.09.080DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Funding Agencies|Swedish Research Link (SRL-VR)|2009-6427|SA National Research Foundation||NMMU||research chairs initiative of the SA Department of Science and Technology||
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The photoluminescence properties of individual ZnO nanorods, grown by atmospheric pressure metalorganic chemical vapor deposition (APMOCV) and chemical bath deposition (CBD) are investigated by means of temperature dependent micro-PL. It was found that the low temperature PL spectra are driven by neutral donor bound exciton emission (DX)-X-0, peaked at 3.359 and 3.363 eV for APMOCVD and CBD ZnO nanorods, respectively. The temperature increase causes a red energy shift of the peaks and enhancement of the free excitonic emission (FX). The FX was found to dominate after 150 K for both samples. It was observed that while APMOCVD ZnO nanorods possess a constant low signal of visible deep level emission with temperature, the ZnO nanorods grown by CBD revealed the thermal activation of deep level emission (DLE) after 130 K. The resulting room temperature DLE was a wide band located at 420-550 nm. The PL properties of individual ZnO nanorods can be of importance for their forthcoming application in future optoelectronics and photonics.
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Yakimova, RositsaLinköpings universitet,Halvledarmaterial,Tekniska högskolan(Swepub:liu)rosia15
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Karlsson, FredrikLinköpings universitet,Halvledarmaterial,Tekniska högskolan(Swepub:liu)freka74
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Syed, Abdul SLinköpings universitet,Institutionen för fysik, kemi och biologi,Tekniska högskolan
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Holtz, Per-OlofLinköpings universitet,Halvledarmaterial,Tekniska högskolan(Swepub:liu)perho67
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Nigussa Urgessa, ZelalemNelson Mandela Metropolitan University, South Africa
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Oluwafemi, Oluwatobi SamuelWalter Sisulu University, South Africa
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Reinhardt Botha, JohannesNelson Mandela Metropolitan University, South Africa
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Linköpings universitetHalvledarmaterial
(creator_code:org_t)
Related titles
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In:Physica. B, Condensed matter: Elsevier407:10, s. 1538-15420921-45261873-2135
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