Metal-dielectric-CNT nanowires for surface-enhanced Raman spectroscopy
Abstract
A sensor with a substrate includes nanowires extending vertically from the substrate, a hafnia coating on the nanowires that provides hafnia coated nanowires, and a noble metal coating on the hafnia coated nanowires. The top of the hafnia and noble metal coated nanowires bent onto one another to create a canopy forest structure. There are numerous randomly arranged holes that let through scattered light. The many points of contact, hot spots, amplify signals. The methods include the steps of providing a Raman spectroscopy substrate, introducing nano crystals to the Raman spectroscopy substrate, growing a forest of nanowires from the nano crystals on the Raman spectroscopy substrate, coating the nanowires with hafnia providing hafnia coated nanowires, and coating the hafnia coated nanowires with a noble metal or other metal.
- Inventors:
- Issue Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1397253
- Patent Number(s):
- 9778197
- Application Number:
- 14/450,633
- Assignee:
- Lawrence Livermore National Security, LLC
- Patent Classifications (CPCs):
-
C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL
C - CHEMISTRY C30 - CRYSTAL GROWTH C30B - SINGLE-CRYSTAL-GROWTH
- DOE Contract Number:
- AC52-07NA27344
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2014 Aug 04
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 77 NANOSCIENCE AND NANOTECHNOLOGY
Citation Formats
Bond, Tiziana C., Altun, Ali, and Park, Hyung Gyu. Metal-dielectric-CNT nanowires for surface-enhanced Raman spectroscopy. United States: N. p., 2017.
Web.
Bond, Tiziana C., Altun, Ali, & Park, Hyung Gyu. Metal-dielectric-CNT nanowires for surface-enhanced Raman spectroscopy. United States.
Bond, Tiziana C., Altun, Ali, and Park, Hyung Gyu. Tue .
"Metal-dielectric-CNT nanowires for surface-enhanced Raman spectroscopy". United States. https://www.osti.gov/servlets/purl/1397253.
@article{osti_1397253,
title = {Metal-dielectric-CNT nanowires for surface-enhanced Raman spectroscopy},
author = {Bond, Tiziana C. and Altun, Ali and Park, Hyung Gyu},
abstractNote = {A sensor with a substrate includes nanowires extending vertically from the substrate, a hafnia coating on the nanowires that provides hafnia coated nanowires, and a noble metal coating on the hafnia coated nanowires. The top of the hafnia and noble metal coated nanowires bent onto one another to create a canopy forest structure. There are numerous randomly arranged holes that let through scattered light. The many points of contact, hot spots, amplify signals. The methods include the steps of providing a Raman spectroscopy substrate, introducing nano crystals to the Raman spectroscopy substrate, growing a forest of nanowires from the nano crystals on the Raman spectroscopy substrate, coating the nanowires with hafnia providing hafnia coated nanowires, and coating the hafnia coated nanowires with a noble metal or other metal.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2017},
month = {10}
}
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