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A Facile Route for the Synthesis of Poly(N-vinylcarbazole)/Manganese Sulphide Quantum Dots Nanocomposites with Enhanced Optical Properties

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Abstract:

This communication describes a facile route for the synthesis of manganese sulphide (MnS) quantum dots (QDs) contained in poly(N-vinyl carbazole) (PNVC) nanocomposites. MnS QDs were synthesized using the single-source precursor method by thermolysing tetramethylthiuram disulfide manganese complex in hexadecylamine (HDA). Two different methods were used for the synthesis of MnS QD incorporated PNVC nanocomposites. The first method entailed the stirring of a mixture of MnS QDs and PNVC in chloroform (CHCl3) at room temperature and the second method was the refluxing of MnS QDs and PNVC solution in CHCl3 at an elevated temperature. A field emission electron microscope (FESEM) study revealed that the dispersion of MnS QDs in a PNVC matrix was improved in the case of nanocomposites prepared by the second method. The optical properties of pure PNVC were significantly altered for the case of nanocomposite prepared by the second route.

Keywords: MANGANESE SULPHIDE QUANTUM DOTS; NANOCOMPOSITE; OPTICAL PROPERTIES; POLY(N-VINYLCARBAZOLE); PREPARATION

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2008.485

Publication date: November 1, 2008

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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