%0 Journal Article %T Photoluminescent Properties in Manganese-doped Zinc Oxide Tetropods
锰掺杂纳米氧化锌的发光特性 %A WANG Ma-hua %A ZHU Guang-ping %A XU Chun-xiang %A
王马华 %A 朱光平 %A 徐春祥 %J 光子学报 %D 2010 %I %X Manganese-doped zinc oxide tetropods were fabricated of pure ZnO,MnO,and graphite power mixtures on a silicon wafer coated with a thin layer of copper as catalyst through vapor-phase transport method.The morphology,structure,and composition of samples were measured and examined by x-ray diffraction pattern,electron diffraction pattern,scanning electron microscopy picture,and high revolution transition electron microscopy images.Compared with un-doped samples fabricated under the same conditions,PL spectrum,and mechanism were analyzed by the combination of Raman scattering spectra and photoluminescent excitation spectra.The results that Mn-doped samples,showing hexagonal hollow shape with multitips at the front and inner,are composed of wurtzite ZnO growing along0001] direction; both intensity and width of UV band reduced,and a new emission peak at 415 nm emerged,were observed from Mn-doped samples' PL spectrum.According to analysis based on Raman scattering and photoluminescent excitation spectra measurement,these properties should be attributed to the function as nonradiation recombination centers and d-d transition from excited states to ground state of Mn~(2+) s,which were placed substitutionally in a cation site of ZnO host lattice. %K Photoluminescent %K Zinc oxide nanocrystal %K Mn-doped %K d-d transition %K Nonradiative recombination
纳米氧化锌晶体 %K 锰掺杂 %K 光致发光 %K d-d跃迁 %K 无辐射复合 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=9F6139E34DAA109F9C104697BF49FC39&aid=6A0F4638D94CF7F7270B5EDD49F50A9F&yid=140ECF96957D60B2&vid=7C3A4C1EE6A45749&iid=CA4FD0336C81A37A&sid=C5154311167311FE&eid=D3E34374A0D77D7F&journal_id=1004-4213&journal_name=光子学报&referenced_num=0&reference_num=12