Low Temperature Synthesis of CdSe Quantum Dots with Amine Derivative and Their Chemical Kinetics

被引：7

作者：

Hwang, Seongmi ^{[1
]}

Choi, Youngmin ^{[1
]}

Jeong, Sunho ^{[1
]}

Jung, Hakyun ^{[1
]}

Kim, Chang Gyoun ^{[1
]}

Chung, Teak-Mo ^{[1
]}

Ryu, Beyong-Hwan ^{[1
]}

机构：

[1] Korea Res Inst Chem Technol, Device Mat Res Ctr, Taejon 305600, South Korea

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2010年 / 49卷 / 05期

关键词：

ACTIVATION-ENERGY; NANORODS;

D O I：

10.1143/JJAP.49.05EA03

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The chemical kinetics of growing CdSe nanocrystals was studied in order to investigate the effects of amine capping agents on the size of resulting quantum dots (QDs). CdSe QDs were prepared in phenyl ether, and the amine ligand dependence of QD size was determined. The results show that the size of CdSe nanocrystals can be regulated by controlling reaction rate, with smaller QDs being formed in slower processes. The results of photoluminescence (PL) studies show that the emission wavelengths of the QDs well correlate with particle size. This simple process for forming different-sized QDs, which uses a cheap solvent and various capping agents, has the potential for preparing CdSe nanocrystals more economically. (C) 2010 The Japan Society of Applied Physics

引用

页码：05EA031 / 05EA034

页数：4

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