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Issue 26, 2012
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Nanocrystalligand exchange with 1,2,3,4-thiatriazole-5-thiolate and its facile in situ conversion to thiocyanate

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Abstract

The 1,2,3,4-thiatriazole-5-thiolate anion (TTT) was found to be a strongly binding ligand for CdSe nanocrystals, quantitatively exchanging various long-chain ligands to yield stable colloidal suspensions in common polar solvents. The TTT ligand thermolyzes at <100 °C to produce thiocyanate in situ, resulting in reduced quantum confinement in nanocrystal films. CdSe(TTT) possesses far higher colloidal stability than CdSe(SCN), and that, together with the facile synthesis of TTT, implies that this is a useful ligand for nanocrystal applications as a masked thiocyanate.

Graphical abstract: Nanocrystal ligand exchange with 1,2,3,4-thiatriazole-5-thiolate and its facile in situ conversion to thiocyanate

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Supplementary files

Article information


Submitted
27 Jan 2012
Accepted
05 Mar 2012
First published
08 Mar 2012

Dalton Trans., 2012,41, 7835-7838
Article type
Communication

Nanocrystal ligand exchange with 1,2,3,4-thiatriazole-5-thiolate and its facile in situ conversion to thiocyanate

D. H. Webber and R. L. Brutchey, Dalton Trans., 2012, 41, 7835
DOI: 10.1039/C2DT30197K

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