Abstract
We discuss the formation of gold metal colloids in a variety of surfactant/solvent systems. Static and dynamic light scattering, small angle x-ray and neutron scattering, TEM analysis, and UV-visible absorbance are used to characterize the kinetics of formation and final colloid stability. These gold colloids exhibit a dramatic blueshift and broadening of the plasmon resonance with decreasing colloid size. Several types of reduction method are discussed and differences between micelle (water-free) or microemulsions as reaction media are compared. Use of inverse micelles allows smaller clusters to be formed with greater long-term stability.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 8:22 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 7, 2024, 4:59 p.m.) |
Indexed | 1 month, 3 weeks ago (July 7, 2025, 9:06 a.m.) |
Issued | 32 years, 2 months ago (June 15, 1993) |
Published | 32 years, 2 months ago (June 15, 1993) |
Published Print | 32 years, 2 months ago (June 15, 1993) |
@article{Wilcoxon_1993, title={Optical properties of gold colloids formed in inverse micelles}, volume={98}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.464320}, DOI={10.1063/1.464320}, number={12}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Wilcoxon, J. P. and Williamson, R. L. and Baughman, R.}, year={1993}, month=jun, pages={9933–9950} }