Hydrophilic alginate based multidentate biopolymers for surface modification of CdS quantum dots |
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| Authors: | Bardajee Ghasem R Hooshyar Zari Rostami Iman |
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| Institution: | Department of Chemistry, Payame Noor University, Tehran, Islamic Republic of Iran. rezanejad@pnu.ac.ir |
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| Abstract: | We report that sodium alginate and its graft-copolymers with (2-dimethylaminoethyl) methacrylate may attach to the surface of colloidal CdS-thioglycerol quantum dots (QDs) via a ligand exchange process and result in water-soluble and highly stable QD supramolecules. Optical properties of modified QDs in water showed that the emission intensity of QDs was still high after surface passivation. |
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| Keywords: | CdS quantum dots Ligand exchange Optical properties Sodium alginate Supramolecules |
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