Nanocellulose-Paper-Based Analytical Devices with MOFs/Heterojunction Structures for Multiplex SERS Detection

Ruiqi Yong, Wenwen Yuan, Hang Yuan, Pengfei Song*

*Corresponding author for this work

Research output: Chapter in Book or Report/Conference proceedingConference Proceedingpeer-review

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Abstract

Metal-organic frameworks (MOFs) as surface-enhanced Raman scattering (SERS) substrates exhibit selectivity towards analytes with different energy levels. However, due to the energy level mismatch, the multiplex SERS detection on the same substrate has not been developed yet. In this study, we demonstrated nanocellulose-paper-based analytical devices (NanoPADs) with both in-situ ZIF-8/Zn(OH)2 and ZIF-67/Co(OH)2 structures. As a proof-of-concept, we independently detected two common environmental pollutants, methyl orange and Rhodamine 6G, on NanoPADs under different incident light wavelengths, achieving limits of detection as 10-7 M, respectively. Our work potentially advances high-sensitive and multiplex SERS-based device development.
Original languageEnglish
Title of host publication46th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC'2024)
Place of PublicationOrlando
PublisherIEEE
Publication statusPublished - 15 Jul 2024

Keywords

  • surface-enhanced Raman scattering (SERS)
  • metal–organic frameworks (MOFs)
  • Heterojunction

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