---
_id: '65655'
abstract:
- lang: eng
  text: 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.
article_type: original
author:
- first_name: Minjun
  full_name: Kim, Minjun
  last_name: Kim
- first_name: Damun
  full_name: Heo, Damun
  last_name: Heo
- first_name: Sung Yoon
  full_name: Cho, Sung Yoon
  last_name: Cho
- first_name: Ye-Won
  full_name: Lee, Ye-Won
  last_name: Lee
- first_name: Sun-Hwa
  full_name: Gu, Sun-Hwa
  last_name: Gu
- first_name: Samir
  full_name: Adhikari, Samir
  last_name: Adhikari
- first_name: Donghan
  full_name: Lee, Donghan
  last_name: Lee
- first_name: Seok Soon
  full_name: Jeong, Seok Soon
  last_name: Jeong
- first_name: Hyuck Soo
  full_name: Kim, Hyuck Soo
  last_name: Kim
- first_name: Vasanthan
  full_name: Devaraj, Vasanthan
  last_name: Devaraj
- first_name: Thomas
  full_name: Zentgraf, Thomas
  id: '30525'
  last_name: Zentgraf
  orcid: 0000-0002-8662-1101
- first_name: Min Yong
  full_name: Jeon, Min Yong
  last_name: Jeon
- first_name: Jong-Min
  full_name: Lee, Jong-Min
  last_name: Lee
citation:
  ama: 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>
  apa: 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>
  bibtex: '@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} }'
  chicago: '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>.'
  ieee: '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>.'
  mla: 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>.
  short: 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.
date_created: 2026-05-20T06:53:30Z
date_updated: 2026-05-20T06:55:49Z
department:
- _id: '15'
- _id: '230'
- _id: '289'
- _id: '623'
doi: 10.1039/d5nr03414k
intvolume: '        18'
issue: '8'
language:
- iso: eng
main_file_link:
- url: https://pubs.rsc.org/en/content/articlelanding/2026/nr/d5nr03414k
page: 4292-4299
publication: Nanoscale
publication_identifier:
  issn:
  - 2040-3364
  - 2040-3372
publication_status: published
publisher: Royal Society of Chemistry (RSC)
quality_controlled: '1'
status: public
title: A functionalization-free plasmonic hole-sphere nanogap SERS platform for reliable
  on-site analysis and oxide-state classification
type: journal_article
user_id: '30525'
volume: 18
year: '2026'
...