Self-assembled, ordered gold nanocrystal/silica thin films for prism-based surface plasmon resonance sensors.
Conference
·
OSTI ID:965107
- University of New Mexico, Albuquerque, NM
Gold nanocrystal(NC)/silica films are synthesized through self-assembly of water-soluble gold nanocrystal micelles and silica by sol-gel processing. Absorption and transmission spectra show a strong surface plasmon resonance absorption peak at {approx}520 nm. Angular excitation spectra of surface plasmon show a steep dip in the reflectivity curve at {approx}65{sup o} depending on the thickness and refractive index of the gold NC/silica film. A potential SPR sensor with enhanced sensitivities can be realized based on these gold NC/silica films.
- Research Organization:
- Sandia National Laboratories
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC04-94AL85000
- OSTI ID:
- 965107
- Report Number(s):
- SAND2004-6136C
- Country of Publication:
- United States
- Language:
- English
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