Surface complexation reaction for phase transfer of hydrophobic quantum dot from nonpolar to polar medium

Chemical reaction between oleate-capped Zn(x)Cd(1-x)S quantum dots (Qdots) and 8-hydroxyquinoline (HQ) led to formation of a surface complex, which was accompanied by transfer of hydrophobic Qdots from nonpolar (hexane) to polar (water) medium with high efficiency. The stability of the complex on th...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 30(2014), 35 vom: 09. Sept., Seite 10760-5
1. Verfasser: Bhandari, Satyapriya (VerfasserIn)
Weitere Verfasser: Roy, Shilaj, Pramanik, Sabyasachi, Chattopadhyay, Arun
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Cadmium Compounds Selenium Compounds Zinc Compounds
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520 |a Chemical reaction between oleate-capped Zn(x)Cd(1-x)S quantum dots (Qdots) and 8-hydroxyquinoline (HQ) led to formation of a surface complex, which was accompanied by transfer of hydrophobic Qdots from nonpolar (hexane) to polar (water) medium with high efficiency. The stability of the complex on the surface was achieved via involvement of dangling sulfide bonds. Moreover, the transferred hydrophilic Qdots--herein called as quantum dot complex (QDC)--exhibited new and superior optical properties in comparison to bare inorganic complexes with retention of the dimension and core structure of the Qdots. Finally, the new and superior optical properties of water-soluble QDC make them potentially useful for biological--in addition to light emitting device (LED)--applications 
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700 1 |a Pramanik, Sabyasachi  |e verfasserin  |4 aut 
700 1 |a Chattopadhyay, Arun  |e verfasserin  |4 aut 
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