Shape Control of Doped Semiconductor Nanocrystals (d-Dots)

查看全文 作　　者：Ranjani [1]Viswanatha;David [2]M.Battaglia;Mark [3,4]E.Curtis;Tetsuya [3,4]D.Mishima;Matthew [3,4]B.Johnson;Xiaogang [1,3]Peng

机构地区：[1]Department of Chemistry&Biochemistry,University of Arkansas,Fayetteville,AR 72701,USA;[2]NN-Labs LLC,Fayetteville,AR 72703,USA;[3]Joint MRSEC at the University of Oklahoma and the University of Arkansas,Fayetteville,AR 72701,USA;[4]Homer L.Dodge Department of Physics and Astronomy,University of Oklahoma,Norman,OK 73019,USA

出　　处：《Nano Research》索引2008年第1卷第2期,共7页

基　　金：by the National Science Foundation and the National Institute of Health。 摘　　要：Formation of Mn2+-doped ZnSe quantum dots(Mn:ZnSe d-dots)with both branched and nearly spherical shapes has been studied.Structure analysis indicates that the Mn2+dopants were localized in the core of a branched nanocrystal.The growth of branched d-dots,rather than spherical ones,was achieved by simply varying the concentration of two organic additives,fatty acids,and fatty amines.The photoluminescence properties of the branched nanocrystals were explored and compared with those of the nearly spherical particles. 关键词：Doped quantum dot(d-dot) shape control PHOTOLUMINESCENCE

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Shape Control of Doped Semiconductor Nanocrystals (d-Dots)

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