How can you identify MWCNT from FTIR?

Quick answer

MWCNT 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

Spectrum logic

The logic here is evidence aggregation: repeated literature mentions of MWCNT, 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

• confidence 7.1

  MWCNT

  Composite Polymer Electrolytes Based on (PEO)4CF3COOLi and Multi-Walled Carbon Nanotube (MWCNT) DOI: 10.3390/polym15010049
• confidence 5.9

  MWCNT

  Highly biological active antibiofilm, anticancer and osteoblast adhesion efficacy from MWCNT/PPy/Pd nanocomposite DOI: 10.1016/j.apsusc.2017.10.142
• confidence 5.9

  MWCNT

  Analysis of chemical polymerization between functionalized MWCNT and poly(furfuryl alcohol) composite DOI: 10.1590/0104-1428.07016
• confidence 5.9

  MWCNT

  MWCNT/Ruthenium hydroxide aerogel supercapacitor production and investigation of electrochemical performances DOI: 10.1038/s41598-022-17286-w
• confidence 5.9

  MWCNT

  Ni(OH)2-decorated nitrogen doped MWCNT nanosheets as an efficient electrode for high performance supercapacitors DOI: 10.1038/s41598-019-42281-z
• confidence 5.9

  MWCNT

  Polythiophene/multiwalled carbon nanotubes/nitrate reductase deposited glassy carbon electrode (GCE/PTH/MWCNT/NR): a novel biosensor for the detection of nitrate in aqueous solution DOI: 10.2166/ws.2022.334
• confidence 5.1

  MWCNT

  Surface Morphology, Structural, and Bonding Characteristic of Carbon Nanotubes for <i>In Vitro</i> Culture Applications DOI: 10.4028/www.scientific.net/AMR.667.464
• confidence 5.1

  MWCNT

  Hussain 等 - 2022 - Hematite Decorated MWCNT Nanohybrids A Facile Syn DOI: 10.52568/001121/JCSP/44.05.2022
• confidence 5.1

  MWCNT

  Flexible Temperature Sensor Utilizing MWCNT Doped PEG-PU Copolymer Nanocomposites DOI: 10.3390/mi13020197
• confidence 5.1

  MWCNT

  Electrical and thermal properties of bisphenol A propoxylate diglycidyl ether-piperazine copolymer/functionalized MWCNT composites DOI: 10.2298/JSC140917050Y