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Nanomaterials 2016, 6(6), 99; doi:10.3390/nano6060099

Synthesis of Ball-Like Ag Nanorod Aggregates for Surface-Enhanced Raman Scattering and Catalytic Reduction

1
School of Chemistry and Chemical Engineering, Yangzhou University, Jiangsu 225002, China
2
Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
*
Author to whom correspondence should be addressed.
Academic Editors: Hermenegildo García and Sergio Navalón
Received: 30 March 2016 / Revised: 18 May 2016 / Accepted: 18 May 2016 / Published: 25 May 2016
(This article belongs to the Special Issue Nanoparticles for Catalysis)
View Full-Text   |   Download PDF [3806 KB, uploaded 30 May 2016]   |  

Abstract

In this work, ball-like Ag nanorod aggregates have been synthesized via a simple seed-mediated method. These Ag mesostructures were characterized by scanning electron microscope (SEM), transmission electron microscopy (TEM), ultraviolet-visible spectroscopy (UV-Vis), and X-ray diffraction (XRD). Adding a certain amount of polyvinyl pyrrolidone (PVP) can prolong its coagulation time. These Ag nanorod aggregates exhibit effective SERS effect, evaluated by Rhodamine 6G (R6G) and doxorubicin (DOX) as probe molecules. The limit of detection (LOD) for R6G and DOX are as low as 5 × 10−9 M and 5 × 10−6 M, respectively. Moreover, these Ag nanorod aggregates were found to be potential catalysts for the reduction of 4-nitrophenol (4-NP) in the presence of NaBH4. View Full-Text
Keywords: Ag nanorod aggregates; surface-enhanced Raman scattering; Rhodamine 6G; doxorubicin; PVP; catalytic reduction; 4-nitrophenol Ag nanorod aggregates; surface-enhanced Raman scattering; Rhodamine 6G; doxorubicin; PVP; catalytic reduction; 4-nitrophenol
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Zhang, W.; Cai, Y.; Qian, R.; Zhao, B.; Zhu, P. Synthesis of Ball-Like Ag Nanorod Aggregates for Surface-Enhanced Raman Scattering and Catalytic Reduction. Nanomaterials 2016, 6, 99.

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