High-performance plasmonic lab-on-fiber sensing system constructed by universal polymer assisted transfer technique

Plasmonic lab-on-fiber (LOF) system has become an emerging sensing platform for the realization of miniaturized and portable plasmonic sensors. Herein, a facile and efficient polymer assisted transfer technique was reported for the preparation of plasmonic LOF systems. The proposed plasmonic LOF sys...

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Bibliographic Details
Published in:Nanotechnology 2022-02, Vol.33 (9), p.95502
Main Authors: Wang, Guangrong, Wang, Lei, Cheng, Zhan, Chen, Dan, Zhang, Xuemin, Wang, Tieqiang, Wang, Qi, Fu, Yu
Format: Article
Language:English
Subjects:
biosensing
lab-on-fiber
plasmonic arrays
refractive index sensor
transfer technique
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Summary:Plasmonic lab-on-fiber (LOF) system has become an emerging sensing platform for the realization of miniaturized and portable plasmonic sensors. Herein, a facile and efficient polymer assisted transfer technique was reported for the preparation of plasmonic LOF systems. The proposed plasmonic LOF system was constructed through transferring plasmonic arrays to the end surface of optical fibers using polylactic acid as the sacrificial layer. The morphology of the transferred plasmonic arrays maintains excellent consistency with the original arrays. Importantly, the as-prepared plasmonic LOF system also possesses outstanding sensing performance in refractive index sensing and quantitative label-free biosensing applications. Additionally, the proposed polymer assisted transfer technique shows broad universality for various plasmonic arrays. Together with the above features, it is believed that the polymer assisted transfer technique will show great potential for the application of future plasmonic LOF systems.
ISSN:0957-4484
1361-6528
DOI:10.1088/1361-6528/ac3c7d