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15 May 2018 Dual-functional Ag@Au core-shell nanostructures for in situ SERS study of hydrogen peroxide decomposition (Conference Presentation)
Shuyue He, Kai Liu, Fei Tian
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Proceedings Volume 10662, Smart Biomedical and Physiological Sensor Technology XV; 106620M (2018) https://doi.org/10.1117/12.2305224
Event: SPIE Commercial + Scientific Sensing and Imaging, 2018, Orlando, FL, United States
Abstract
Surface-enhanced Raman scattering (SERS) integrates high levels of sensitivity and spectroscopic precision with tremendous potential for chemical and biomolecular sensing. On the other hand, metal nanoparticles have been employed in catalysis with great promise for future energy technologies. Interactions between oxygen and gold surfaces are of fundamental importance in catalysis and other multiple and diverse areas of science and technology. We propose to synergistically integrate the two aspects of metal nanoparticles in dual-functional Ag@Au core-shell nanostructures to take advantage of high SERS enhancement factor of Ag and unique catalytic property of Au. Pure Au nanoparticles with specific size are also prepared to be a comparison with Ag@Au core-shell structures in terms of SERS enhancement and catalytic properties by in situ Raman detection during the decomposition of hydrogen peroxide.
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Shuyue He, Kai Liu, and Fei Tian "Dual-functional Ag@Au core-shell nanostructures for in situ SERS study of hydrogen peroxide decomposition (Conference Presentation)", Proc. SPIE 10662, Smart Biomedical and Physiological Sensor Technology XV, 106620M (15 May 2018); https://doi.org/10.1117/12.2305224
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KEYWORDS
Surface enhanced Raman spectroscopy
Hydrogen
Nanostructures
Gold
Nanoparticles
Catalysis
In situ remote sensing
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