Size control by rate control in colloidal PbSe quantum dot synthesis

被引：26
|
作者：
Capek, Richard Karel [1 ]
Yanover, Dianna [1 ]
Lifshitz, Efrat [1 ]
机构：
[1] Technion Israel Inst Technol, Inst Solid State, Russell Berrie Nanotechnol Inst, Schulich Fac Chem, IL-32000 Haifa, Israel
来源：
NANOSCALE | 2015年 / 7卷 / 12期
关键词：
SEMICONDUCTOR NANOCRYSTAL SYNTHESIS; II-VI; EXTINCTION COEFFICIENT; SELENIDE; REACTIVITY; GROWTH; CDS;
D O I：
10.1039/c5nr00028a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A recently demonstrated approach to control the size of colloidal nanoparticles, "size control by rate control", which was validated on the examples of colloidal CdSe-and CdS-quantum dot (CQD) synthesis, appears to be a general strategy for designing technically applicable CQD-syntheses. The "size control by rate control" concept allows full-yield syntheses of ensembles of CQDs with different sizes by tuning the solute formation rate. In this work, we extended this strategy to dialkylphosphine enhanced hot-injection synthesis of PbSe-CQDs. Furthermore, we provide new insight into the reaction mechanism of dialkylphosphine enhancement in TOPSe based CQD-syntheses.
引用
收藏
页码：5299 / 5310
页数：12
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