How can you identify nanotubes from FTIR?

Quick answer

nanotubes 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 nanotubes, 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 4.9

  nanotubes

  Single-walled carbon nanotubes functionalized with polydiphenylamine as active materials for applications in the supercapacitors field DOI: 10.1016/j.diamond.2012.12.006
• confidence 4.9

  Nanotubes

  Functionalized Self-Assembled Peptide Nanotubes with Cobalt Ferrite Nanoparticles for Applications in Organic Electronics DOI: 10.1021/acsanm.7b00344
• confidence 4.9

  nanotubes

  Pb(Zr0.52Ti0.48)O3 nanotubes synthesis and infrared absorption properties DOI: 10.1016/j.optmat.2015.11.040
• confidence 4.9

  nanotubes

  Study of structural, optical and dielectric properties of α-MnO2 nanotubes (NTS) DOI: 10.1007/s10854-019-02277-x
• confidence 4.9

  Nanotubes

  Selectively Etched Halloysite Nanotubes as Performance Booster of Epoxidized Natural Rubber Composites DOI: 10.3390/polym13203536
• confidence 4.9

  nanotubes

  4-Aminothiophenol capped halloysite nanotubes/silver nanoparticles as surface-enhanced Raman scattering probe for in-situ derivatization and selective determination of nitrite ions in meat product DOI: 10.1016/j.talanta.2020.121366
• confidence 4.9

  nanotubes

  Synthesis of gold nanoparticles on multi-walled carbon nanotubes (Au-MWCNTs) via deposition precipitation method DOI: 10.1063/1.4999889
• confidence 4.9

  nanotubes

  Novel deep eutectic solvent-functionalized carbon nanotubes adsorbent for mercury removal from water DOI: 10.1016/j.jcis.2017.03.014
• confidence 4.9

  nanotubes

  <p>Culture of dental pulp stem cells on nanoporous alumina substrates modified by carbon nanotubes</p> DOI: 10.2147/IJN.s189730
• confidence 4.9

  nanotubes

  Babar 和 Sarkar - 2017 - Self-assembled nanotubes from single fluorescent a DOI: 10.1007/s13204-017-0551-5