Synthesis and Study of Optical Properties of Thiol- Capped CdSe Quantum Dots
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2014, Vol 2, Issue 9
Abstract
Cadmium selenide (CdSe) QDs have been synthesized in aqueous solution using 1-thioglycerol (TGH), thioglycolic acid (TGA) as stabilizers applying freezing temperature injection technique. QDs have been characterized by UV-vis absorption and photoluminescence spectroscopy (PL), TEM and FTIR spectroscopy. The smaller (app. 3 nm diameter) CdSe particles were obtained using 1- thioglycerol as capping agent; the use of thioglycolic acid as stabilizers produced larger (3.7 nm diameter) CdSe particles. The photoluminescence intensity of QDs capped with thioglycerol was low as compared to QDs capped with thioglycolic acid.
Authors and Affiliations
Deepika, Rakesh Dhar
Keywords
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