dc.contributor.authorChen, Rui
dc.contributor.authorShen, Yiqiang
dc.contributor.authorXiao, F.
dc.contributor.authorLiu, B.
dc.contributor.authorGurzadyan, Gagik G.
dc.contributor.authorDong, Zhili
dc.contributor.authorSun, Xiaowei
dc.contributor.authorSun, Handong
dc.identifier.citationChen, R., Shen, Y., Xiao, F., Liu, B., Gurzadyan, G. G., Dong, Z. L., Sun, X., Sun, H. D. (2010). Surface eu-treated ZnO nanowires with efficient red emission. The journal of physical chemistry C, 114 (42), 18081–18084.en_US
dc.description.abstractThe structural and optical properties of post surface Eu-treated ZnO nanowires (NWs) have been investigated systematically. It is found that the Eu3+ ions are in the Eu2O3-like state located at the surface of ZnO NWs. Sharp intense red emissions in the range of 580−650 nm due to the intra-4f transition of Eu3+ ions are observed from the sample. The temperature-dependent photoluminescence (PL) measurement shows that the intensity of the Eu3+ ions emission is related to the near-band-edge (NBE) emission of ZnO NWs, indicating direct energy transfer from ZnO to Eu3+ ions. Finally, the time-resolved PL measurement was carried out, and the roles played by the Eu2O3-like layers are discussed in detail. It is found that the Eu2O3 layers not only suppress the deep level emission (DLE) in ZnO NWs but also provide efficient energy trap centers supporting the direct energy transfer from ZnO to Eu3+ ions.en_US
dc.relation.ispartofseriesJournal of physical chemistry Cen_US
dc.rights© 2010 American Chemical Societyen_US
dc.subjectDRNTU::Engineering::Materials::Photonics and optoelectronics materials
dc.titleSurface eu-treated ZnO nanowires with efficient red emissionen_US
dc.typeJournal Article
dc.contributor.schoolSchool of Materials Science and Engineeringen_US

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