1-Hexadecylamine as both reducing agent and stabilizer to synthesize Au and Ag nanoparticles and their SERS application |
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| Authors: | Xiaomiao Hou Xiaoling Zhang Yan Fang Shutang Chen Na Li Qi Zhou |
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| Institution: | (1) Department of Chemistry, School of Science, Beijing Institute of Technology, Beijing, 100081, People’s Republic of China;(2) Beijing Key Lab for Nano-Photonics and Nano-Structure (NPNS), Department of Physics, Capital Normal University, Beijing, 100037, People’s Republic of China; |
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| Abstract: | 1-Hexadecylamine (HDA)-capped Au and Ag nanoparticles (NPs) have been successfully prepared by a one-pot solution growth method.
The HDA is used as both reducing agent and stabilizer in the synthetic process is favorable for investigating the capping
mechanism of Au and Ag NPs’ surface. The growth process and characterization of Au and Ag NPs are determined by Ultraviolet–visible
(UV–vis) spectroscopy, transmission electron microscopy (TEM), and X-ray diffraction (XRD). Experimental results demonstrate
that the HDA-capped Au and Ag NPs are highly crystalline and have good optical properties. Furthermore, surface-enhanced Raman
scattering (SERS) spectra of 2-thionaphthol are obtained on the Au and Ag NPs modified glass surface, respectively, indicating
that the as-synthesized noble metal NPs have potentially high sensitive optical detection application. |
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