Abstract
Water-soluble, highly fluorescent (FL) and very stable biopolymer-conjugated CdS quantum dots (QDs) were prepared via ligand exchange process of CdS-TG QDs with a biopolymer based ligand. The salep biosource polymer can attach to the surface of CdS QDs to yield quantum dots having great properties. To provide evidences for the occurrence of ligand exchange process, the prepared bioconjugate CdS nanocrystals were characterized by thermo gravimetric analysis (TGA), transmission electron microscopy (TEM), scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FT-IR).
Keywords: Biopolymer, CdS quantum dots, characterization, ligand exchange, optical properties, salep, water soluble
Current Nanoscience
Title:Preparation and Characterization of Water-soluble and Highly Fluorescent Biopolymer-conjugated CdS Quantum Dots
Volume: 8 Issue: 3
Author(s): Ghasem Rezanejade Bardajee, Zari Hooshyar, Somayeh Norouzi and Saeed Alinejad Moallem
Affiliation:
Keywords: Biopolymer, CdS quantum dots, characterization, ligand exchange, optical properties, salep, water soluble
Abstract: Water-soluble, highly fluorescent (FL) and very stable biopolymer-conjugated CdS quantum dots (QDs) were prepared via ligand exchange process of CdS-TG QDs with a biopolymer based ligand. The salep biosource polymer can attach to the surface of CdS QDs to yield quantum dots having great properties. To provide evidences for the occurrence of ligand exchange process, the prepared bioconjugate CdS nanocrystals were characterized by thermo gravimetric analysis (TGA), transmission electron microscopy (TEM), scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FT-IR).
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Rezanejade Bardajee Ghasem, Hooshyar Zari, Norouzi Somayeh and Alinejad Moallem Saeed, Preparation and Characterization of Water-soluble and Highly Fluorescent Biopolymer-conjugated CdS Quantum Dots, Current Nanoscience 2012; 8 (3) . https://dx.doi.org/10.2174/157341312800620377
DOI https://dx.doi.org/10.2174/157341312800620377 |
Print ISSN 1573-4137 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6786 |
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