FTIR 峰位解讀
What absorbs at 490 cm⁻¹ in an FTIR spectrum?
A band near 490 cm⁻¹ can point to several functional groups. Below are the most likely assignments, ranked by how much published evidence supports each — every one traceable to literature (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 7 cited sources
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Metal oxygen | 2 | 2 | 1.0 |
| Aromatic ring | 1 | 1 | 1.0 |
| Phosphate (PO4) | 1 | 1 | 0.9 |
| Silicon nitrogen | 1 | 1 | 0.9 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
-
信心 1.0
“Assigned to α-crystalline phase.”
Elashmawi 等 - 2007 - Spectroscopic and thermal investigations of poly(v DOI: 10.1002/crat.200610789 -
Aromatic ring 信心 1.0
“explicit assignment”
Roy - 2018 - Antistatic and dielectric properties of one-dimens DOI: 10.1016/j.sna.2018.07.018 -
Metal oxygen 信心 1.0
“Broad absorption band at ~490 cm-1 corresponds to Cu-O stretching.”
Singhal 等 - 2012 - Cu-doped ZnO nanoparticles Synthesis, structural DOI: 10.1016/j.physb.2012.01.103 -
信心 1.0
“Attributed to stretching second peak.”
Salinas Dominguez 等 - 2020 - Antibody Immobilization in Zinc Oxide Thin Films a DOI: 10.1021/acsomega.0c02583 -
Metal oxygen 信心 0.9
“Peak at ~490 cm-1 due to ZnO stretching mode.”
Chakraborty 等 - 2012 - ZnOTi Thin Film Synthesis, Characterization and DOI: 10.1088/1742-6596/390/1/012065 -
Silicon nitrogen 信心 0.9
“Explicit assignment in text.”
Hallam 等 - 2012 - Effect of PECVD silicon oxynitride film compositio DOI: 10.1016/j.solmat.2011.09.052 -
Phosphate (PO4) 信心 0.9
“asymmetric stretching vibration of PO2- unit (Q2)”
Wojcik 等 - 2021 - DC and AC Conductivity, Biosolubility and Thermal DOI: 10.3390/ma14102626
有包含此波峰的圖譜嗎？
上傳您的FTIR圖譜，幾秒內即可獲得完整的解讀報告——包含帶有文獻引用的峰位指派、圖譜庫比對以及信心等級評估的證據鏈。
解讀我的圖譜