Boron nitride nanosheet-veiled gold nanoparticles for surface-enhanced raman scattering

Cai, Qiran, Mateti, Srikanth, Watanabe, Kenji, Taniguchi, Takashi, Huang, Shaoming, Chen, Ying and Li, Lu Hua 2016, Boron nitride nanosheet-veiled gold nanoparticles for surface-enhanced raman scattering, ACS applied materials and interfaces, vol. 8, no. 24, pp. 15630-15636, doi: 10.1021/acsami.6b04320.

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Title Boron nitride nanosheet-veiled gold nanoparticles for surface-enhanced raman scattering
Author(s) Cai, Qiran
Mateti, SrikanthORCID iD for Mateti, Srikanth
Watanabe, Kenji
Taniguchi, Takashi
Huang, Shaoming
Chen, YingORCID iD for Chen, Ying
Li, Lu HuaORCID iD for Li, Lu Hua
Journal name ACS applied materials and interfaces
Volume number 8
Issue number 24
Start page 15630
End page 15636
Total pages 7
Publisher American Chemical Society
Place of publication Washington, D.C.
Publication date 2016-06-02
ISSN 1944-8252
Keyword(s) boron nitride nanosheets
plasmonic metal particles
surface adsorption
surface-enhanced Raman spectroscopy (SERS)
Science & Technology
Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Science & Technology - Other Topics
Materials Science
Summary Atomically thin boron nitride (BN) nanosheets have many properties desirable for surface-enhanced Raman spectroscopy (SERS). BN nanosheets have a strong surface adsorption capability toward airborne hydrocarbon and aromatic molecules. For maximized adsorption area and hence SERS sensitivity, atomically thin BN nanosheet-covered gold nanoparticles have been prepared for the first time. When placed on top of metal nanoparticles, atomically thin BN nanosheets closely follow their contours so that the plasmonic hot spots are retained. Electrically insulating BN nanosheets also act as a barrier layer to eliminate metal-induced disturbances in SERS. Moreover, the SERS substrates veiled by BN nanosheets show an outstanding reusability in the long term. As a result, the sensitivity, reproducibility, and reusability of SERS substrates can be greatly improved. We also demonstrate that large BN nanosheets produced by chemical vapor deposition can be used to scale up the proposed SERS substrate for practical applications.
Language eng
DOI 10.1021/acsami.6b04320
Field of Research 100708 Nanomaterials
0904 Chemical Engineering
0303 Macromolecular And Materials Chemistry
0306 Physical Chemistry (Incl. Structural)
Socio Economic Objective 869999 Manufacturing not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, ACS
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Document type: Journal Article
Collection: Institute for Frontier Materials
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