How can you identify AuNPs from FTIR?
This page summarizes the recurring FTIR evidence reported for AuNPs, 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 16 cited sources
Quick answer
AuNPs 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) | 15 |
| Alkyl C-H | 13 |
| Amide | 9 |
| Carboxyl (COOH) | 7 |
| Methacrylate | 6 |
| Acetate | 6 |
| Alkene (C=C) | 6 |
| Carbonyl (C=O) | 4 |
Spectrum logic
The logic here is evidence aggregation: repeated literature mentions of AuNPs, 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
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置信度 4.8
AuNPs
Bawazeer 等 - 2021 - Synthesis, Characterization and Bioactivity Profil DOI: 10.22207/JPAM.15.2.11 -
置信度 4.8
AuNPs
Ahmed 等 - 2022 - Green Synthesis of Gold and Silver Nanoparticles U DOI: 10.1155/2022/4804116 -
置信度 4.8
AuNPs
The “End Life” of the Grape Pomace Waste Become the New Beginning: The Development of a Virtuous Cycle for the Green Synthesis of Gold Nanoparticles and Removal of Emerging Contaminants from Water DOI: 10.3390/antiox11050994 -
置信度 4.8
AuNPs
Hendi 等 - 2020 - Green nanogold activity in experimental breast car DOI: 10.1042/BSR20200115 -
置信度 4.8
AuNPs
Kitching 等 - 2022 - Biosynthesis of Gold Nanoparticles by Vascular Cel DOI: 10.3389/fmicb.2022.813511 -
置信度 4.8
AuNPs
Kumar 等 - 2022 - Electrochemical immunosensor for the detection of DOI: 10.1007/s13205-022-03252-w -
置信度 4.8
AuNPs
Kumar 等 - 2022 - Honeybee pollen assisted biosynthesis of nanogold DOI: 10.1016/j.heliyon.2022.e10191 -
置信度 4.8
AuNPs
On the High Sensitivity of the Electronic States of 1 nm Gold Particles to Pretreatments and Modifiers DOI: 10.3390/molecules21040432 -
置信度 4.8
AuNPs
Nagajyothi 等 - 2012 - Green Synthesis of Silver and Gold Nanoparticles U DOI: 10.5012/bkcs.2012.33.8.2609 -
置信度 2.8
AuNPs
Biogenic Synthesis of Gold Nanoparticle from Enicostema axillare and Their In Vitro Cytotoxicity Study Against MCF-7 Cell Line DOI: 10.1007/s12668-019-00656-6
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