期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 130, 期 28, 页码 8916-8922出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja711115r
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资金
- NIBIB NIH HHS [EB-R01-00832] Funding Source: Medline
Controlling nanomaterial growth via the specific microwave effect can be achieved by selective heating of the chalcogenide precursor. The high polarizability of the precursor allows instantaneous activation and subsequent nucleation leading to the synthesis of CdSe and CdTe in nonmicrowave absorbing alkane solvents. Regardless of the desired size, narrow dispersity nanocrystals can be isolated in less than 3 min with high quantum efficiencies and elliptical morphologies. The reaction does not require a high temperature injection step, and the alkane solvent can be easily removed. In addition, batch-to-batch variance in size is 4.2 +/- 0.14 nm for 10 repeat experimental runs. The use of a stopped-flow reactor allows near continuous automation of the process leading to potential industrial benefits.
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