How can you identify CdS from FTIR?
This page summarizes the recurring FTIR evidence reported for CdS, including the most frequent peaks, supporting functional groups, and literature-backed interpretation patterns. It is a structured evidence page, not a claim of automatic single-spectrum certainty.
Backed by 10 cited sources
Quick answer
CdS is usually reported with a recurring pattern of peaks and functional-group evidence. The most useful approach is to cross-check at least two characteristic peaks before treating it as a match, then verify whether the full spectrum still fits the same material family.
Peak interpretation
Possible materials / groups
| 官能团 | 证据 |
|---|---|
| Hydroxyl (O-H) | 4 |
| Metal sulfur | 4 |
| Methoxy (OCH3) | 2 |
| Methacrylate | 2 |
| C-O single bond | 2 |
| Acetate | 2 |
| C n single bond | 2 |
| Sulfate (SO4) | 1 |
Spectrum logic
The logic here is evidence aggregation: repeated literature mentions of CdS, repeated peak positions, and repeated functional-group associations. A strong material hypothesis should still be supported by multiple peaks that agree with each other, not by one headline band alone.
Real-world usage
This page is designed for polymer identification, incoming-material QC, unknown plastic analysis, recycled-content review, and literature-backed interpretation of reference spectra.
Common mistakes
- Calling a material match too early because one famous peak is present.
- Ignoring sample prep, fillers, oxidation, water, or additives that can change the apparent pattern.
- Using literature evidence without checking whether your own sampling mode and spectrum quality are comparable.
Verification advice
Use DSC, GC-MS, or TGA to validate the material hypothesis when the peak pattern is ambiguous or mixed.
Literature behind this page
-
置信度 4.8
CdS
Aziz 等 - 2023 - Water remediation capability of cubic-phase CdS na DOI: 10.15251/DJNB.2023.181.203 -
置信度 4.8
CdS
A novel synthesis and characterization of transparent CdS thin films for CdTe/CdS solar cells DOI: 10.1007/s00339-020-3331-0 -
置信度 4.8
CdS
Thongtem 等 - 2007 - Phase transformation of nanocrystalline CdS synthe DOI: 10.4028/www.scientific.net/MSF.544-545.777 -
置信度 4.8
CdS
Sheng 和 Alrababah - 2022 - Thermally driven structural phase transformation a DOI: 10.48129/kjs.11913 -
置信度 3.6
CdS
Nagaraju 等 - 2009 - A facile low temperature hydrothermal route to CdS DOI: 10.1016/j.matlet.2008.11.032 -
置信度 2.8
CdS
Chatterjee 等 - 2007 - pH dependent interaction of biofunctionalized CdS DOI: 10.1016/j.jlumin.2006.11.010 -
置信度 2.8
CdS
Wang 等 - 2007 - Synthesis and characterization of CdSPVA nanocomp DOI: 10.1016/j.apsusc.2007.04.020 -
置信度 2.8
CdS
Ranjan 等 - 2023 - Synthesis of Mn2+ modified CdS nanoparticles and i DOI: 10.15251/CL.2023.204.251 -
置信度 0.5
CdS
Sheng 等 - 2017 - Investigation of Morphological, Structural and Ele DOI: 10.20964/2017.11.75 -
置信度 0.3
CdS
Utilization of residual CdCl2 in CBD-CdS to realize grain growth in CdTe: A novel route DOI: 10.1016/j.materresbull.2013.08.006
Upload your FTIR spectrum
Get AI-based polymer identification and peak-by-peak interpretation from your own spectrum.