Semiconductor Nanocrystals with Adjustable Hole Acceptors: Tuning the Fluorescence Intensity by Metal-Ion Binding

被引:39
|
作者
Voelker, Jessica [1 ,3 ]
Zhou, Xiaoyin [1 ,3 ]
Ma, Xuedan [1 ,3 ]
Flessau, Sandra [1 ,3 ]
Lin, Hengwei [2 ]
Schmittel, Michael [2 ]
Mews, Alf [1 ,3 ]
机构
[1] Univ Hamburg, Dept Phys Chem, D-20146 Hamburg, Germany
[2] Univ Siegen, Dept Organ Chem, D-57076 Siegen, Germany
[3] Univ Hamburg, Interdisciplinary Nanosci Ctr, D-20146 Hamburg, Germany
关键词
electrochemistry; ligand effects; nanocrystals; quantum dots; semiconductors; CDSE NANOCRYSTALS; QUANTUM DOTS; CDTE; LUMINESCENCE; LIGANDS;
D O I
10.1002/anie.201001441
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Functional ligands: The fluorescence intensity of semiconductor nanocrystals (NCs) strongly depends on the energy level arrangement of the nanocrystals (the valence band (VB) and conducting band (CB)) and their molecular ligands. Using a functional ligand such as 1, where the oxidation potential can be adjusted by metal-ion complexation, the fluorescence of the nanocrystals can be used for metal ion recognition. (Figure Presented) © 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:6865 / 6868
页数:4
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