Tunable and highly reproducible surface-enhanced Raman scattering substrates made from large-scale nanoparticle arrays based on periodically poled LiNbO3 templates

Xiaoyan Liu, Kenji Kitamura, Qiuming Yu, Jiajie Xu, Minoru Osada, Nagata Takahiro, Jiangyu Li, Guozhong Cao

研究成果: Article査読

13 被引用数 (Scopus)

抄録

This work describes novel surface-enhanced Raman scattering (SERS) substrates based on ferroelectric periodically poled LiNbO3 templates. The templates comprise silver nanoparticles (AgNPs), the size and position of which are tailored by ferroelectric lithography. The substrate has uniform and large sampling areas that show SERS effective with excellent signal reproducibility, for which the fabrication protocol is advantageous in its simplicity. We demonstrate ferroelectric-based SERS substrates with particle sizes ranging from 30 to 70 nm and present tunable SERS effect from Raman active 4-mercaptopyridine molecules attached to AgNPs when excited by a laser source at 514 nm.

本文言語English
論文番号055011
ジャーナルScience and Technology of Advanced Materials
14
5
DOI
出版ステータスPublished - 2013 10
外部発表はい

ASJC Scopus subject areas

  • Materials Science(all)

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