Single-phase synthesis of functionalized gold nanoparticles
MP Rowe, KE Plass, K Kim, Ç Kurdak… - Chemistry of …, 2004 - ACS Publications
Chemistry of materials, 2004•ACS Publications
A single-phase synthesis of thiolate monolayer-protected gold clusters (MPCs) is described.
This method avoids the problem of persistent ionic contamination from residual phase-
transfer catalyst while retaining the versatility associated with the commonly used two-phase
Brust synthesis. MPCs having alkyl, diphenylacetylene, ether, amide, or ester functionalities
were prepared by this single-phase synthesis and characterized via 1H NMR, FT-IR, and
UV− vis absorption spectroscopy, TGA, STM, and TEM. Comparisons of products …
This method avoids the problem of persistent ionic contamination from residual phase-
transfer catalyst while retaining the versatility associated with the commonly used two-phase
Brust synthesis. MPCs having alkyl, diphenylacetylene, ether, amide, or ester functionalities
were prepared by this single-phase synthesis and characterized via 1H NMR, FT-IR, and
UV− vis absorption spectroscopy, TGA, STM, and TEM. Comparisons of products …
A single-phase synthesis of thiolate monolayer-protected gold clusters (MPCs) is described. This method avoids the problem of persistent ionic contamination from residual phase-transfer catalyst while retaining the versatility associated with the commonly used two-phase Brust synthesis. MPCs having alkyl, diphenylacetylene, ether, amide, or ester functionalities were prepared by this single-phase synthesis and characterized via 1H NMR, FT-IR, and UV−vis absorption spectroscopy, TGA, STM, and TEM. Comparisons of products synthesized by this method and by existing methods are made for a subset of MPCs. Results are considered in the context of using MPC thin films as chemically sensitive interface layers in chemiresistor vapor sensors.
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