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Buckminsterfullerene hybridized zinc oxide tetrapods: defects and charge transfer induced optical and electrical response

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dc.contributor.author SMAZNA, Daria
dc.contributor.author RODRIGUES, Joana
dc.contributor.author SHREE, Sindu
dc.contributor.author POSTICA, Vasile
dc.contributor.author NEUBÜSER, Gero
dc.contributor.author MARTINS, A. F.
dc.contributor.author BEN SEDRINE, N.
dc.contributor.author JENA, Naresh K.
dc.contributor.author SIEBERT, Leonard
dc.contributor.author SCHÜTT, Fabian
dc.contributor.author LUPAN, Oleg
dc.contributor.author AHUJA, Rajeev
dc.contributor.author CORREIA, M. R.
dc.contributor.author MONTEIRO, Teresa
dc.contributor.author KIENLE, Lorenz
dc.contributor.author YANG, Ya
dc.contributor.author ADELUNG, Rainer
dc.contributor.author MISHRA, Yogendra Kumar
dc.date.accessioned 2020-06-23T07:32:36Z
dc.date.available 2020-06-23T07:32:36Z
dc.date.issued 2018
dc.identifier.citation SMAZNA, Daria, RODRIGUES, Joana, SHREE, Sindu et al. Buckminsterfullerene hybridized zinc oxide tetrapods: defects and charge transfer induced optical and electrical response. In: Nanoscale, 2018, Vol. 10, Iss. 10, pp. 10050-10062. ISSN 2040-3372. en_US
dc.identifier.issn 2040-3372
dc.identifier.uri https://doi.org/10.1039/C8NR01504J
dc.identifier.uri http://repository.utm.md/handle/5014/8982
dc.description Access full text - https://doi.org/10.1063/1.4989841 en_US
dc.description.abstract Buckminster fullerene (C60) based hybrid metal oxide materials are receiving considerable attention because of their excellent fundamental and applied aspects, like semiconducting, electron transfer, luminescent behaviors, etc. and this work briefly discusses the successful fabrication of C60 decorated ZnO tetrapod materials and their detailed structure–property relationships including device sensing applications. The electron microscopy investigations indicate that a quite dense surface coverage of ZnO tetrapods with C60 clusters is achieved. The spectroscopy studies confirmed the identification of the C60 vibrational modes and the C60 induced changes in the absorption and luminescence properties of the ZnO tetrapods. An increased C60 concentration on ZnO results in steeper ZnO bandgap absorption followed by well-defined free exciton and 3.31 eV line emissions. As expected, higher amounts of C60 increase the intensity of C60-related visible absorption bands. Pumping the samples with photons with an energy corresponding to these absorption band maxima leads to additional emission from ZnO showing an effective charge transfer phenomenon from C60 to the ZnO host. The density of states model obtained from DFT studies for pure and C60 coated ZnO surfaces confirms the experimental observations. The fabricated C60–ZnO hybrid tetrapod based micro- and nanodevices showed interesting ethanol gas sensing characteristics. en_US
dc.language.iso en en_US
dc.publisher The Royal Society of Chemistry en_US
dc.rights Attribution-NonCommercial-NoDerivs 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/us/ *
dc.subject hybrid metal oxide materials en_US
dc.subject metal oxide materials en_US
dc.subject oxide materials en_US
dc.title Buckminsterfullerene hybridized zinc oxide tetrapods: defects and charge transfer induced optical and electrical response en_US
dc.type Article en_US


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