Journal
MATERIALS RESEARCH EXPRESS
Volume 4, Issue 5, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/2053-1591/aa6c7b
Keywords
SERS; sensor; gold nanoparticles; mercury
Categories
Funding
- NSF [CBET-1336205, DMR 1559880]
- Directorate For Engineering [1336205] Funding Source: National Science Foundation
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1559880] Funding Source: National Science Foundation
- Div Of Chem, Bioeng, Env, & Transp Sys [1336205] Funding Source: National Science Foundation
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Gold nanoparticles functionalized with 4-mercaptobenzoic acid can selectively capture Hg2+ in the presence of 2,6-pyridinedicarboxylic acid, generating a fingerprint surface-enhanced Raman scattering (SERS) peak at 374 cm(-1). This SERS sensor exhibits a limit of detection of 5 ppt toward Hg2+ in water.
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