@article{65655,
  abstract     = {{A functionalization-free plasmonic nanogap platform enables reliable on-site SERS based oxidation-state differentiation of arsenic through uniform metal-vacuum-metal cavities with high electromagnetic enhancement and minimal background interference.}},
  author       = {{Kim, Minjun and Heo, Damun and Cho, Sung Yoon and Lee, Ye-Won and Gu, Sun-Hwa and Adhikari, Samir and Lee, Donghan and Jeong, Seok Soon and Kim, Hyuck Soo and Devaraj, Vasanthan and Zentgraf, Thomas and Jeon, Min Yong and Lee, Jong-Min}},
  issn         = {{2040-3364}},
  journal      = {{Nanoscale}},
  number       = {{8}},
  pages        = {{4292--4299}},
  publisher    = {{Royal Society of Chemistry (RSC)}},
  title        = {{{A functionalization-free plasmonic hole-sphere nanogap SERS platform for reliable on-site analysis and oxide-state classification}}},
  doi          = {{10.1039/d5nr03414k}},
  volume       = {{18}},
  year         = {{2026}},
}