article published yes Minjun Kim author Damun Heo author Sung Yoon Cho author Ye-Won Lee author Sun-Hwa Gu author Samir Adhikari author Donghan Lee author Seok Soon Jeong author Hyuck Soo Kim author Vasanthan Devaraj author Thomas Zentgraf author 305250000-0002-8662-1101 Min Yong Jeon author Jong-Min Lee author 15 department 230 department 289 department 623 department 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. Royal Society of Chemistry (RSC)2026 eng 2040-3364 2040-337210.1039/d5nr03414k 1884292-4299 Kim M, Heo D, Cho SY, et al. A functionalization-free plasmonic hole-sphere nanogap SERS platform for reliable on-site analysis and oxide-state classification. <i>Nanoscale</i>. 2026;18(8):4292-4299. doi:<a href="https://doi.org/10.1039/d5nr03414k">10.1039/d5nr03414k</a> @article{Kim_Heo_Cho_Lee_Gu_Adhikari_Lee_Jeong_Kim_Devaraj_et al._2026, title={A functionalization-free plasmonic hole-sphere nanogap SERS platform for reliable on-site analysis and oxide-state classification}, volume={18}, DOI={<a href="https://doi.org/10.1039/d5nr03414k">10.1039/d5nr03414k</a>}, number={8}, journal={Nanoscale}, publisher={Royal Society of Chemistry (RSC)}, 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 et al.}, year={2026}, pages={4292–4299} } Kim, Minjun, et al. “A Functionalization-Free Plasmonic Hole-Sphere Nanogap SERS Platform for Reliable on-Site Analysis and Oxide-State Classification.” <i>Nanoscale</i>, vol. 18, no. 8, Royal Society of Chemistry (RSC), 2026, pp. 4292–99, doi:<a href="https://doi.org/10.1039/d5nr03414k">10.1039/d5nr03414k</a>. Kim, Minjun, Damun Heo, Sung Yoon Cho, Ye-Won Lee, Sun-Hwa Gu, Samir Adhikari, Donghan Lee, et al. “A Functionalization-Free Plasmonic Hole-Sphere Nanogap SERS Platform for Reliable on-Site Analysis and Oxide-State Classification.” <i>Nanoscale</i> 18, no. 8 (2026): 4292–99. <a href="https://doi.org/10.1039/d5nr03414k">https://doi.org/10.1039/d5nr03414k</a>. M. Kim, D. Heo, S.Y. Cho, Y.-W. Lee, S.-H. Gu, S. Adhikari, D. Lee, S.S. Jeong, H.S. Kim, V. Devaraj, T. Zentgraf, M.Y. Jeon, J.-M. Lee, Nanoscale 18 (2026) 4292–4299. Kim, M., Heo, D., Cho, S. Y., Lee, Y.-W., Gu, S.-H., Adhikari, S., Lee, D., Jeong, S. S., Kim, H. S., Devaraj, V., Zentgraf, T., Jeon, M. Y., &#38; Lee, J.-M. (2026). A functionalization-free plasmonic hole-sphere nanogap SERS platform for reliable on-site analysis and oxide-state classification. <i>Nanoscale</i>, <i>18</i>(8), 4292–4299. <a href="https://doi.org/10.1039/d5nr03414k">https://doi.org/10.1039/d5nr03414k</a> M. Kim <i>et al.</i>, “A functionalization-free plasmonic hole-sphere nanogap SERS platform for reliable on-site analysis and oxide-state classification,” <i>Nanoscale</i>, vol. 18, no. 8, pp. 4292–4299, 2026, doi: <a href="https://doi.org/10.1039/d5nr03414k">10.1039/d5nr03414k</a>. 656552026-05-20T06:53:30Z2026-05-20T06:55:49Z