Vol. 30 No. 4 (2020)
Papers

Optimization and Characterization of Paper-based SERS Substrates for Detection of Melamine

Bich Ngoc Nguyen Thi
Institute of Physics, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam and Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
Viet Ha Chu
Thai Nguyen University of Education, Tan Thinh Ward, Thai Nguyen city, Thai Nguyen, Vietnam
Thi Thuy Nguyen
Institute of Physics, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam and Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
Trong Nghia Nguyen
Institute of Physics, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
Hong Nhung Tran
Institute of Physics, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam and Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
Cover Vol 30 No 4 December 2020

Published 20-10-2020

Keywords

  • SERS paper,
  • silver nanostructure.

How to Cite

Nguyen Thi, B. N., Chu, V. H., Nguyen, T. T., Nguyen, T. N., & Tran, H. N. (2020). Optimization and Characterization of Paper-based SERS Substrates for Detection of Melamine. Communications in Physics, 30(4), 345. https://doi.org/10.15625/0868-3166/30/0/14832

Abstract

A flexible low-cost paper-based surface enhanced Raman
scattering (SERS) substrate was successfully manufactured by a direct
chemical reduction of silver nanoparticles (AgNPs) onto a common
commercially available filter paper. Characterization of fabricated
paper-based SERS substrate and the influences of the silver nitrate
concentration, type of paper on SERS signal were systematically
investigated. In order to fabricate SERS substrates with the highest
quality, a suitable one from four different types of filter papers was
chosen. The prepared SERS substrates have capability for detecting food
toxic chemicals. The test of detecting melamine in aqueous solution was
successfully demonstrated with the limit of detection for melamine is 10-7M.

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