Liu Jin-Hua, Fan Jun-Bing, Gu Zheng, Cui Jing, Xu Xiao-Bo, Liang Zhi-Wu, Luo Sheng-Lian, Zhu Ming-Qiang
Biomedical Engineering Center, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China.
Langmuir. 2008 May 20;24(10):5241-4. doi: 10.1021/la8005986. Epub 2008 Apr 10.
Large-scale synthesis of semiconductor nanocrystals or quantum dots (QDs) with high concentration and high yield through simultaneously increasing the precursor concentration was introduced. This synthetic route conducted in diesel has produced gram-scale CdSe semiconductor quantum dots (In optimal scale-up synthetic condition, the one-pot yield of QDs is up to 9.6g). The reaction has been conducted in open air and at relatively low temperature at 190-230 degrees C in the absence of expensive organic phosphine ligands, aliphatic amine and octadecene, which is really green chemistry without high energy cost for high temperature reaction and unessential toxic chemicals except for Cd, which is the essential building block for QDs.
介绍了通过同时提高前驱体浓度来大规模合成高浓度、高产率的半导体纳米晶体或量子点（QD）的方法。在柴油中进行的这种合成路线已制备出克级的CdSe半导体量子点（在最佳放大合成条件下，量子点的单釜产量高达9.6克）。该反应在空气中、相对较低的温度（190 - 230摄氏度）下进行，无需昂贵的有机膦配体、脂肪胺和十八碳烯，这是真正的绿色化学，除了作为量子点基本组成部分的镉之外，没有高温反应所需的高能量成本以及不必要的有毒化学品。
