Zinc oxide nanotubes decorated with silver nanoparticles as an ultrasensitive substrate for surface-enhanced Raman scattering

	Zinc oxide nanotubes decorated with silver nanoparticles as an ultrasensitive substrate for surface-enhanced Raman scattering
	Gao M.; Xing G. Z.; Yang J. H.; Yang L. L.; Zhang Y. J.; Liu H. L.; Fan H. G.; Sui Y. R.; Feng B.; Sun Y. F.; Zhang Z. Q.; Liu S. S.; Li S. A.; Song H.
	2012
发表期刊	Microchimica Acta
ISSN	0026-3672
卷号	179 期号:3-4 页码:315-321
摘要	We report on the fabrication of a highly aligned silver-decorated array of zinc oxide nanotubes for use in surface-enhanced Raman spectroscopy (SERS). The ZnO nanotube array was first prepared by chemical etching, and the silver nanoparticles (AgNPs) were then deposited on their surface by magnetron sputtering. Such ZnO/Ag hybrid structures are shown to act as SERS-active substrates with remarkable sensitivity. The enhancement factor can be as high as 10(5) when using 4-mercaptopyridine in solution as a SERS probe. The synergistic combination between SERS "hot spots" and the formation of an interfacial electric field between the zinc oxide nanotubes and the AgNPs in our opinion contribute to the high sensitivity. The relative standard deviations of signal intensities for the major SERS peaks are < 7 %. This demonstrates that the optimized ZnO/Ag hybrid represents an excellent SERS substrate that may be used in trace analysis and ultrasensitive molecular sensing.
收录类别	SCI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/34533
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Gao M.,Xing G. Z.,Yang J. H.,et al. Zinc oxide nanotubes decorated with silver nanoparticles as an ultrasensitive substrate for surface-enhanced Raman scattering[J]. Microchimica Acta,2012,179(3-4):315-321.
APA	Gao M..,Xing G. Z..,Yang J. H..,Yang L. L..,Zhang Y. J..,...&Song H..(2012).Zinc oxide nanotubes decorated with silver nanoparticles as an ultrasensitive substrate for surface-enhanced Raman scattering.Microchimica Acta,179(3-4),315-321.
MLA	Gao M.,et al."Zinc oxide nanotubes decorated with silver nanoparticles as an ultrasensitive substrate for surface-enhanced Raman scattering".Microchimica Acta 179.3-4(2012):315-321.