Three-Dimensional Nanoporous Graphene Substrate for Surface-Enhanced Raman Scattering
Zhiqiang Tu, Shangfei Wu, Fan Yang, Yongfeng Li, Liqiang Zhang,, Hongwen Liu, Hong Ding, Pierre Richard
TL;DR
This paper reports the synthesis of three-dimensional nanoporous graphene using chemical vapor deposition on nanoporous copper, demonstrating significantly enhanced surface-enhanced Raman scattering (SERS) performance compared to planar graphene.
Contribution
It introduces a novel 3D nanoporous graphene substrate fabricated via CVD on nanoporous copper, showing improved SERS efficiency.
Findings
Nanoporous graphene exhibits higher SERS enhancement than planar graphene.
The pore size of graphene matches that of the copper substrate.
Nanoporosity significantly boosts SERS performance.
Abstract
We synthesized three-dimensional nanoporous graphene films by a chemical vapor deposition method with nanoporous copper as a catalytic substrate. The resulting nanoporous graphene has the same average pore size as the underlying copper substrate. Our surface-enhanced Raman scattering (SERS) investigation indicates that the nanoporosity of graphene significantly improves the SERS efficiency of graphene as a substrate as compared to planar graphene substrates.
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