Multidimensional Co<sub>3</sub>O<sub>4</sub>nano sponge for the highly sensitive SERS applications

ZHAO Miao-miao; LIU Wen-yao; DU Jian-gong; GUO Xu-dong; WANG Lei; XIA Mei-jing; TANG Jun

doi:doi:10.1007/s11801-017-6236-1

光电子快报（英文版）, 2017, 13 (1): 38, Published Online: Sep. 13, 2018

Multidimensional Co₃O₄nano sponge for the highly sensitive SERS applications

论文大纲

ZHAO Miao-miao LIU Wen-yao DU Jian-gong GUO Xu-dong WANG Lei XIA Mei-jing TANG Jun ^*

Author Affiliations

Key Laboratory on Electronic Test & Measurement for National Defense Science and Technology, North University of China, Taiyuan 030051, China

Abstract

In this work, surface enhanced Raman spectroscopy (SERS) substrates with Ag nanoparticles (NPs) decorated Co₃O₄nanowires (NWs) grafted on the three-dimensional (3D) network architecture of Ni foam (denoted as Ag-NP@Co₃O₄- NW/Ni-foam) arrays are manufactured. In the experiment, the hierarchical Ag-NP@Co₃O₄-NW/Ni-foam arrays exhibit strong SERS activity due to the higher density of the “hot spots” created from the large quantities of neighboring Ag NPs. Using this hierarchical 3D SERS substrates, the crystal violet (a banned drug of aquaculture) with concentration down to 10^-14mol/L can be detected, which shows potential application in SERS-based rapid trace-level detection of harmful food additives.

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ZHAO Miao-miao, LIU Wen-yao, DU Jian-gong, GUO Xu-dong, WANG Lei, XIA Mei-jing, TANG Jun. Multidimensional Co₃O₄nano sponge for the highly sensitive SERS applications[J]. 光电子快报（英文版）, 2017, 13(1): 38.

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