Facile fabrication of Au nanoworms covered polyethylene terephthalate (PET) film: Towards flexible SERS substrates

被引：10
|
作者：
Zang, Siyao [1 ,2 ]
Liu, Hao [1 ,2 ]
Wang, Qi [1 ,2 ]
Yang, Jiewen [1 ,2 ]
Pang, Zhenqi [1 ,2 ]
Liu, Kai [1 ,2 ]
Cai, Shiwei [1 ,2 ]
Ren, Xiaomin [1 ,2 ]
机构：
[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China
[2] Beijing Univ Posts & Telecommun, Sch Elect Engn, Beijing 100876, Peoples R China
来源：
MATERIALS LETTERS | 2021年 / 294卷
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Sensors; Polymers; Raman; Ar plasma etching; Au nanoworms; TRANSPARENT; TEMPLATE;
D O I：
10.1016/j.matlet.2021.129643
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Simple, reproducible, large-area fabrication of flexible highly-enhanced polymer-based SERS substrate is well required. In this paper, a facile strategy to obtain worm-like Au nanostructures on polyethylene terephthalate (PET) film is proposed, based on Ar plasma etching and Au evaporation. A systematic study on SERS performance versus Ar plasma etching duration and Au deposition thickness is performed for the first time. The optimal flexible Au nanoworms covered PET substrate shows high SERS EF (similar to 1.2 x 10(8)) and trace level detection sensitivity (10(-9) M R6G), which helps to push SERS technique forward to fulfill various real-life tasks. (C) 2021 Elsevier B.V. All rights reserved.
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页数：4
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