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Microwave synthesis of bis(cycloalkeno)-1,4-diselenins: a novel source of Se for CdSe QDs

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Abstract

This paper describes the formation of a series of bis(cycloalkeno)-1,4-diselenins from the corresponding cycloalkeno-1,2,3-selenadiazoles by a microwave irradiation (MW) method. The bi-radical dimerization reaction of 1,2,3-selenadiazoles was performed by a new synthetic strategy under solvent-free conditions using 100 Watt microwave irradiation for about 20 minutes. The current synthesis afforded a feasible approach for the preparation of various 1,4-diselenins. The so-prepared alkyl selenides were characterized by various spectroscopic tools, viz. UV-visible, FTIR, 1H, 13C, DEPT and 77Se NMR spectroscopy, ESI-MS and TGA analysis. Additionally, bis(cyclohepteno)-1,4-diselenin has been effectively utilised as a novel selenium precursor for the synthesis of CdSe quantum dots (QDs). This Se-rich precursor can likely be used for the preparation of other metal selenides also.

Graphical abstract: Microwave synthesis of bis(cycloalkeno)-1,4-diselenins: a novel source of Se for CdSe QDs

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Publication details

The article was received on 09 Mar 2017, accepted on 21 Jun 2017 and first published on 21 Jun 2017


Article type: Paper
DOI: 10.1039/C7NJ00793K
Citation: New J. Chem., 2017, Advance Article
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    Microwave synthesis of bis(cycloalkeno)-1,4-diselenins: a novel source of Se for CdSe QDs

    A. A. Jadhav, P. V. More and P. K. Khanna, New J. Chem., 2017, Advance Article , DOI: 10.1039/C7NJ00793K

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