Journal
LANGMUIR
Volume 24, Issue 20, Pages 11955-11958Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la801952v
Keywords
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Funding
- National Natural Science Foundation of China [20574044, 50633010, 50773037]
- NCET [06-0411]
- Shanghai Rising-Star Program [06QA14029]
- Shanghai Leading Academic Discipline Project [B202]
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A new strategy for the synthesis of CdS nanocrystals (NCs) within supramolecular self-assembly nanoreactors has been described. The self-assembly nanoreactors were readily constructed through the electrostatic interactions and ion pairs between palmitic acid and the terminal an-tine groups of hyperbranched polymer. In a chloroform/water two-phase system, aqueous Cd2+ ions were spontaneously encapsulated into the cavities of self-assembly nanoreactors in chloroform. After reaction with S2- ions, the CdS NCs with high stability were obtained. By the addition of excess triethylamine, CdS NCs formed in the self-assembly nanoreactors were transferred from organic phase into aqueous phase. After dialysis and rotorary evaporation, aqueous CdS NCs could be redispersed into chloroform solution containing palmitic acid.
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