مقایسهٔ روشها
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| SERS× | طیفسنجی فروسرخ تبدیل فوریه بازتاب کل تعدیلشده (ATR-FTIR)× | |
|---|---|---|
| حوزه | طیفسنجی | طیفسنجی |
| خانواده | Process / pipeline | Process / pipeline |
| سال پیدایش≠ | 1974 | 1961 |
| پدیدآور≠ | Martin Fleischmann | Joop Fahrenfort |
| نوع | Vibrational spectroscopy technique | Vibrational spectroscopy technique |
| منبع بنیادین≠ | Fleischmann, M., Hendra, P. J., & McQuillan, A. J. (1974). Raman spectra of pyridine adsorbed at a silver electrode. Chemical Physics Letters, 26(2), 163-166. DOI ↗ | Harrick, N. J. (1960). Study of physics of internal reflection from metals. Journal of Physics and Chemistry of Solids, 13(2), 143-155. link ↗ |
| نامهای دیگر≠ | Surface-enhanced Raman scattering, SERS spectroscopy | ATR-IR, attenuated total reflectance, FTIR spectroscopy |
| مرتبط | 3 | 3 |
| خلاصه≠ | Surface-Enhanced Raman Spectroscopy (SERS) amplifies weak Raman signals by many orders of magnitude when analyte molecules are adsorbed on specially prepared metal (typically silver or gold) nanostructured surfaces. Discovered by Fleischmann, Hendra, and McQuillan in 1974, SERS enables detection of vibrational signatures of single molecules and ultra-trace contaminants, revolutionizing analytical chemistry and forensics. | Attenuated Total Reflectance (ATR) Fourier Transform Infrared (FTIR) spectroscopy is a variant of conventional FTIR that measures infrared absorption through evanescent-wave interrogation of samples in direct contact with a high-refractive-index crystal. Developed by Harrick and Fahrenfort in the 1960s, ATR-FTIR is now the dominant form of FTIR spectroscopy, enabling rapid, non-destructive characterization of organic compounds, polymers, coatings, and biological materials without extensive sample preparation. |
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