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Growth kinetics of CdS quantum dots and synthesis of their polymer nano-composites in CTAB reverse micelles

Paper ID Volume ID Publish Year Pages File Format Full-Text
28061 44058 2009 8 PDF Available
Title
Growth kinetics of CdS quantum dots and synthesis of their polymer nano-composites in CTAB reverse micelles
Abstract

CdS nanocrystals were synthesized in reverse micelles of water/CTAB + 4-penten-1-ol/benzene. Changing the micellar environment varied the dynamics in the nanocrystals growths. In “pure micelles”, which contained only Cd2+ and S2− precursors, the growth was continuous under relatively fast process with the timescales of several tens of minutes. However, when monomer and cross-linker molecules were loaded in the micelles, the Ostwald ripening growth was observed under slow process with the timescales of several hours. Besides the nanocrystal growth, thermal polymerizations were conducted in the micellar system containing of monomer, sodium methacrylic acid, and cross-linker, N,N′-methylenebisacrylamide. The obtained hybrid materials containing nanocrystals embedded into polymer domains were observed by TEM.

Keywords
Quantum dots; CTAB; Bis-(trimethyldisilyl)sulfide; Growth kinetics; NMR; Nanocomposites
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Growth kinetics of CdS quantum dots and synthesis of their polymer nano-composites in CTAB reverse micelles
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 207, Issues 2–3, 25 September 2009, Pages 173–180
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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