4.7 Article

Selenium containing imidazolium salt in designing single source precursors for silver bromide and selenide nano-particles

Journal

DALTON TRANSACTIONS
Volume 42, Issue 7, Pages 2366-2370

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2dt32818f

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Funding

  1. Council of Scientific and Industrial Research (CSIR), New Delhi, India [01(2421) 10/EMR-II]
  2. JRF/SRF
  3. Department of Science and Technology (India) [SR/WOS-A/CS-22/2009, SR/S1/IC-40/2010]

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The AgBr and Ag2Se nanoparticles (NPs) have been synthesized for the first time from two single source precursors ([Ag-2(L)(2)Br-2] (1) and [Ag(L-HBr)(2)]BF4 (2) respectively) designed using the same ligand 3-benzyl-1-(2-phenylselanyl-ethyl)-3H-imidazolium bromide (L). The ODE-ODA-OA (1 : 1 : 2) and TOP-OA (1 : 2) are most suitable solvents for thermolysis of 1 and 2 respectively, resulting in the NPs. The composition of the solvent used in thermolysis affects the purity of NPs. The bonding of L in 1 is unique, as it has a pre-carbene site intact.

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