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Utilizing 3D SERS Active Volumes in Aligned Carbon Nanotube Scaffold Substrates
Author(s) -
Lee Seunghyun,
Hahm Myung Gwan,
Vajtai Robert,
Hashim Daniel P.,
Thurakitseree Theerapol,
Chipara Alin Cristian,
Ajayan Pulickel M.,
Hafner Jason H.
Publication year - 2012
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201200645
Subject(s) - materials science , carbon nanotube , substrate (aquarium) , raman scattering , nanotechnology , sputtering , raman spectroscopy , scaffold , thin film , computer science , optics , database , oceanography , physics , geology
A structurally tunable 3D surface enhanced Raman scattering (SERS) substrate based on vertically aligned carbon nanotubes (CNTs) sputter‐coated with a gold film is described. This substrate shows highly sensitive SERS signals at very low target concentrations of 4‐mercaptophenol (4‐MPH), down to 10 fM.