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Dr. Engelbert Redel

 

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Stop-and-go, stepwise and ‘‘ligand-free’’ nucleation, nanocrystal growth and formation of Au-NPs in ionic liquids (ILs)

Stop-and-go, stepwise and ‘‘ligand-free’’ nucleation, nanocrystal growth and formation of Au-NPs in ionic liquids (ILs)
Autor:

 Redel, E. / Walter, M. / Thomann, R. / Hussein, L. / Krüger, M. / Janiak, C. (2010)
Quelle:

Chem. Commun., (2010), 46, 1159-1161

Datum: Januar 2010

Abstract

Ionic liquids function as a nanosynthetic template for a “ligand-free” stepwise formation of gold nanoparticles (Au-NPs) which can be stopped and resumed at different color steps and Au-NP sizes (between 2.6 and 200 nm median diameter) and which can be reasoned by the DFT-calculation stabilization order: H2O (no Au-NP stabilization) < IL anion, e.g. BF4− ≈ PH3 < citrate <Cl− (which inhibits Au-NP growth).

 

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