Trace detection of explosives from Langmuir–Blodgett film substrates: A SERS study.
Saved in:
| Title: | Trace detection of explosives from Langmuir–Blodgett film substrates: A SERS study. |
|---|---|
| Authors: | Mitra, Chayan Kumar1 (AUTHOR), Chowdhury, Joydeep1 (AUTHOR) joydeep72_c@rediffmail.com |
| Source: | Bulletin of Materials Science. Jun2026, Vol. 49 Issue 2, p1-8. 8p. |
| Subjects: | SERS spectroscopy, Explosives detection, Picric acid, Boron nitride, Silver nanoparticles, Substrates (Materials science), Langmuir-Blodgett films |
| Abstract: | This study focused on the fabrication of an efficient noble-metal-based surface-enhanced Raman scattering (SERS)-active hetero-architecture comprising gold-core silver-shell nanoparticles (Ag@Au nanoparticles) embedded in a Langmuir–Blodgett (LB) film matrix of hexagonal boron nitride (h-BN), and the evaluation of its efficacy for the trace detection of explosives picric acid (PA) and 2,4-dinitrotoluene (DNT). The efficiency and reproducibility of the as-prepared substrate as a SERS-active platform were investigated down to ultrasensitive concentrations using Raman probe molecules. Furthermore, the SERS-active scaffold exhibited high sensitivity and selectivity in detecting PA and DNT at trace concentrations in both aqueous media and simulated debris environments. The corresponding limits of detection (LODs) were also estimated. In the present study, the as-prepared substrate demonstrates its precision and efficiency as a SERS sensing platform, which can be utilized in the future for the trace detection of chemical and biochemical compounds, in addition to its potential applications in diagnostics. [ABSTRACT FROM AUTHOR] |
| Copyright of Bulletin of Materials Science is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
|
Full text is not displayed to guests.
Login for full access.
|
|
| Abstract: | This study focused on the fabrication of an efficient noble-metal-based surface-enhanced Raman scattering (SERS)-active hetero-architecture comprising gold-core silver-shell nanoparticles (Ag@Au nanoparticles) embedded in a Langmuir–Blodgett (LB) film matrix of hexagonal boron nitride (h-BN), and the evaluation of its efficacy for the trace detection of explosives picric acid (PA) and 2,4-dinitrotoluene (DNT). The efficiency and reproducibility of the as-prepared substrate as a SERS-active platform were investigated down to ultrasensitive concentrations using Raman probe molecules. Furthermore, the SERS-active scaffold exhibited high sensitivity and selectivity in detecting PA and DNT at trace concentrations in both aqueous media and simulated debris environments. The corresponding limits of detection (LODs) were also estimated. In the present study, the as-prepared substrate demonstrates its precision and efficiency as a SERS sensing platform, which can be utilized in the future for the trace detection of chemical and biochemical compounds, in addition to its potential applications in diagnostics. [ABSTRACT FROM AUTHOR] |
|---|---|
| ISSN: | 02504707 |
| DOI: | 10.1007/s12034-026-03594-8 |
