NDLI: Silver Nanowire Micro-Ring Formation Using Immiscible Emulsion Droplets for Surface-Enhanced Raman Spectroscopy

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Silver Nanowire Micro-Ring Formation Using Immiscible Emulsion Droplets for Surface-Enhanced Raman Spectroscopy

Content Provider	MDPI
Author	Lee, Hyungdong Ye, Woojun Lee, Jaehyun Kim, Hyunggun Byun, Doyoung
Copyright Year	2020
Description	Precise and rapid detection of biomolecules is a fast-growing research theme in the field of biomedical engineering. Based on the surface-enhanced Raman scattering, micro/nano-scale structures composed of noble metals (e.g., gold and silver) play a critical role in plasmonics. However, it is still limited to structuring nanomaterials in a specific manner. Here, we investigated a novel surface-enhanced Raman spectroscopy (SERS) application using one-dimensional nanomaterials and micro-encapsulation methods. With the immiscible nature of fluids, the nanomaterials were properly captured inside a number of droplets for encapsulation, deforming to micro-ring nanostructures. To yield uniform sizes of the silver micro-ring structures, a microchannel system was designed to characterize particle sizes via microscopic approaches. We were able to obtain printable silver nanowire micro-ring ink, and investigated the SERS substrate effect of the silver micro-ring structure. This fabrication method can be used in many other SERS-based biomedical engineering applications in the near future.
Starting Page	8018
e-ISSN	20763417
DOI	10.3390/app10228018
Journal	Applied Sciences
Issue Number	22
Volume Number	10
Language	English
Publisher	MDPI
Publisher Date	2020-11-12
Access Restriction	Open
Subject Keyword	Applied Sciences Analytical Chemistry Spectroscopy Micro-encapsulation Nanowire Immiscible Solution Printing Surface-enhanced Raman Spectroscopy
Content Type	Text
Resource Type	Article

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