Metal oxygen — FTIR-absorptions-toppe og tildelinger

Hurtigt svar

Metal oxygen tildeles normalt ved at lede efter en tilbagevendende klynge af karakteristiske toppe frem for et præcist lærebogsnummer. Tabellen nedenfor viser, hvor litteraturen oftest placerer denne gruppe i FTIR, rangeret efter akkumuleret evidens.

Karakteristiske FTIR-toppe for Metal oxygen

Viser de 30 bedst understøttede toppe ud af 723 i alt for Metal oxygen.

Mulige materialer

Spektrumlogik

En funktionel gruppetildeling bliver mere sikker, når flere forventede bånd optræder sammen. Brug denne side til at finde de bedst understøttede peaks, og bekræft derefter, at den samme prøve udviser et sammenhængende mønster snarere end et enkelt isoleret hit.

Anvendelse i virkeligheden

Disse sider er nyttige til analyse af ukendte materialer, topforklaring i rapporter, polymerfejlfinding og verifikation af, om en kandidatmaterialefamilie er kemisk plausibel.

Almindelige fejl

• Brug af én funktionel-gruppe-side som en komplet materialebedømmelse uden at kontrollere resten af spektret.
• Antager, at det stærkeste bånd altid er det mest diagnostiske.
• At glemme, at forarbejdning, tilsætningsstoffer, ældning og blandinger kan flytte eller udvide forventede toppe.

Verifikationsrådgivning

Brug DSC, GC-MS eller TGA, når flere materialefamilier deler lignende bånd, eller når blandings-effekter gør FTIR-tildelingen usikker.

Litteratur bag disse tildelinger

• 493 cm⁻¹ tillid 1,0

  “The peaks located at 493, 443 and cm-1 428 is likely due to the vibration of the TiO 2, which confirms the prepared sample is TiO nanostructures.”

  Synthesis and Characterization of Spindle-Like TiO2 Nanostructures and Photocatalytic Activity on Methyl Orange and Methyl Blue Dyes Under Sunlight Radiation DOI: 10.1007/s10876-017-1245-6
• 408 cm⁻¹ tillid 1,0

  “Peak is directly assigned to Zn-O bond in ZnO.”

  Post-annealing modification in structural properties of ZnO thin films on p-type Si substrate deposited by evaporation DOI: 10.1016/j.mssp.2008.07.008
• 870 cm⁻¹ tillid 1,0

  “The peaks at 870, 704, cm-1 621, and 514 correspond to the W-O (symmetric), W-O (asymmetric), Mn-O, and bond stretching vibration, respectively [22].”

  Electro-Oxidation of Metal Oxide-Fabricated Graphitic Carbon Nitride for Hydrogen Production via Water Splitting DOI: 10.3390/coatings12050548
• 482 cm⁻¹ tillid 1,0

  “cm-1 and 1635 due to stretching vibrations of O-H group, the bands assigned at 3275 cmcm-1, - 1 the band at 2922 due to vibrations of C H stretching thee band at 1213 1062cm-1,482cm-1,576cm-1,1535cm-1arethefollowingvibrationsC-Ostretching,N”

  Bio-engineered TiO 2 nanoparticles using Ledebouria revoluta extract: Larvicidal, histopathological, antibacterial and anticancer activity DOI: 10.1080/03067319.2020.1718668
• 450 cm⁻¹ tillid 1,0

  “The cm-1 567cm-1 absorption bands ~ 449.86 and ~ are associated with the stretching vibration of cm-1 Fe-O and FeO octahedral rotation.”

  Evolution of structure and improvement in dielectric properties of praseodymium substituted YFeO3 nanomaterials synthesized via a sol-gel auto-combustion method DOI: 10.1016/j.ceramint.2020.11.005
• 604 cm⁻¹ tillid 1,0

  “stretching at 604 O-Cr-O bending mode at 419 and Ag-O bands at 561 and 443 The powder X-ray diffraction patterns 2u”

  Athawale 和 Desai - 2011 - Silver doped lanthanum chromites by microwave comb DOI: 10.1016/j.ceramint.2011.05.008
• 580 cm⁻¹ tillid 1,0

  “LLM confirmed rule peak-group candidate”

  Bactericidal Activity Study of ZrO 2 -Ag 2 O Nanoparticles DOI: 10.1177/1559325820941374
• 467 cm⁻¹ tillid 1,0

  “LLM confirmed rule peak-group candidate”

  Effect of rare earth and transition metal La-Mn substitution on electrical properties of co-precipitated M-type Ba-ferrites nanoparticles DOI: 10.1016/j.jre.2018.08.005