Organic ligand and solvent kinetics during the assembly of CdSe nanocrystal arrays using infrared attenuated total reflection

被引：38

作者：

Kim, BS

Avila, L

Brus, LE

Herman, IP ^{[1
]}

机构：

[1] Columbia Univ, Mat Res Sci & Engn Ctr, New York, NY 10027 USA

[2] Columbia Univ, Columbia Radiat Lab, New York, NY 10027 USA

[3] Columbia Univ, Dept Appl Phys, New York, NY 10027 USA

[4] Columbia Univ, Dept Chem, New York, NY 10027 USA

来源：

APPLIED PHYSICS LETTERS | 2000年 / 76卷 / 25期

关键词：

D O I：

10.1063/1.126759

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The self-assembly of amorphous three-dimensional arrays of CdSe nanocrystals is probed in real time using multiple-reflection, infrared attenuated total reflection spectroscopy by following the solvent and the organic ligands that passivate the nanocrystal surface. During the self-assembly of a 250 ML array from pyridine-capped CdSe nanocrystals in pyridine solvent, the solvent molecules evaporate in similar to 30-40 min and the pyridine-capping molecules leave the array very slowly, apparently limited by diffusion, with similar to 30 +/- 8% remaining after three days. (C) 2000 American Institute of Physics. [S0003-6951(00)00325-9].

引用

页码：3715 / 3717

页数：3

共 13 条

[1] ENHANCED INFRARED ATTENUATED-TOTAL-REFLECTION SPECTRA OF P-NITROBENZOIC ACID WITH AG FILMS [J].