1. Single-Phase Synthesis of Functionalized Gold Nanoparticles
- Author
-
Rowe, M. P., Plass, K. E., Kim, K., Kurdak, C., Zellers, E. T., and Matzger, A. J.
- Abstract
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.
- Published
- 2004