Isotachophoretic measurements of luminescent semiconductor nanocrystals

被引：3

作者：

Buecking, Wendelin ^{[1
]}

Riegler, Juergen ^{[1
]}

Rettenmaier, Christian ^{[1
]}

Nann, Thomas ^{[1
]}

机构：

[1] Univ Freiburg, Freiburg Mat Res Ctr, FMF, D-79104 Freiburg, Germany

来源：

INTERNATIONAL JOURNAL OF NANOTECHNOLOGY | 2007年 / 4卷 / 03期

关键词：

semiconductor nanocrystal; isotachophoresis; laser-induced fluorescence detection; surface coverage of ligand; colloidal stability; concentration of nanocrystal solutions;

D O I：

10.1504/IJNT.2007.013475

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Luminescent semiconductor nanocrystals were derivatised by mercaptocarboxylic acids. A direct synthesis in the solution of the ligand and a post-synthesis ligand exchange method was used. The two methods were compared and evaluated by isotachophoresis. The electrophoretic mobility, as well as the colloidal stability and the coverage with the ligand, were determined. An alternative method for concentration estimation of nanocrystals by isotachophoresis was introduced.

引用

页码：298 / 308

页数：11

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