Silicon (Si) — FTIR absorption peaks and assignments
These are the characteristic FTIR wavenumbers where Silicon (Si) tends to absorb, compiled from published literature and ranked by supporting evidence. Each assignment is traceable to a source (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 8 cited sources
Characteristic FTIR peaks for Silicon (Si)
Literature behind these assignments
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1089 cm⁻¹ confidence 1.0
“FTIR spectra showed peaks at 1089 and cm-1, 801 which corresponded to asymmetric and symmetric O-Si-O.”
Athinarayanan 等 - 2020 - Fabrication of Biogenic Silica Nanostructures from DOI: 10.1007/s12633-020-00379-4 -
1250 cm⁻¹ confidence 1.0
“Explicit assignment in text: '1250 (Si- cm-1'”
Zhang 等 - 2012 - Surface-functionalized Hexagonal Mesoporous Silica DOI: 10.5012/bkcs.2012.33.12.4015 -
1089 cm⁻¹ confidence 0.9
“Explicit assignment in text.”
Hastuti 等 - 2020 - Synthesis of N '-(3-Trimethoxysilylpropyl)diethyle DOI: 10.1063/5.0008267 -
1253 cm⁻¹ confidence 0.9
“sharp peak at 1253 cm-1 assigned to -Si(CH3)3 groups”
Steinbach 等 - 2020 - A Process Analytical Concept for In-Line FTIR Moni DOI: 10.3390/polym12112473 -
520 cm⁻¹ confidence 0.9
“Peak at 520 cm-1 assigned to silicon vibration modes.”
Sypniewska 等 - 2020 - Structural, morphological and photoluminescent pro DOI: 10.24425/opelre.2020.134460 -
650 cm⁻¹ confidence 0.8
“Absorption bands between 650 and 900 cm-1 were silicon.”
Zuo 等 - 2013 - Tribological Behavior of Phenolic Resin Composites DOI: 10.1080/10402004.2012.732197 -
638 cm⁻¹ confidence 0.8
“Text: 'characteristic peaks at 638, 802, and 1300 for the Si particles'.”
Alhenaki 等 - 2021 - Dentin Bond Integrity of Filled and Unfilled Resin DOI: 10.3390/polym13071093 -
790 cm⁻¹ confidence 0.8
“Text: 'peak height of Si-(CH3) near the band 790-840' and 'absorption peak height of Si-(CH3)2 near the band 790-840'”
Zhang 等 - 2020 - Electrical Strength and Physicochemical Performanc DOI: 10.3390/polym12020324
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