Boron nitrogen — FTIR-absorptions-toppe og tildelinger
Dette er de karakteristiske FTIR-bølgetal, hvor Boron nitrogen har tendens til at absorbere, samlet fra publiceret litteratur og rangeret efter understøttende bevis. Hver tildeling kan spores til en kilde (DOI) og krydsvalideres mod vores 130.000+ referencespektre og vidensgraf.
Backed by 8 cited sources
Hurtigt svar
Boron nitrogen 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 Boron nitrogen
| Bølgetal (cm⁻¹) | Understøttende fakta | Citerede kilder | Højeste tillid |
|---|---|---|---|
| 750 | 5 | 4 | 1,0 |
| 1400 | 5 | 3 | 1,0 |
| 1100 | 2 | 2 | 1,0 |
| 780 | 2 | 1 | 1,0 |
| 1380 | 2 | 0 | 1,0 |
| 1080 | 2 | 0 | 1,0 |
| 1370 | 1 | 1 | 1,0 |
| 1117 | 1 | 1 | 1,0 |
| 803 | 1 | 1 | 1,0 |
| 700 | 1 | 1 | 1,0 |
| 1369 | 1 | 1 | 1,0 |
| 506 | 1 | 1 | 1,0 |
| 1298 | 1 | 1 | 1,0 |
| 778 | 1 | 1 | 1,0 |
| 1350 | 1 | 1 | 1,0 |
| 1250 | 1 | 1 | 1,0 |
| 1474 | 1 | 1 | 1,0 |
| 1566 | 1 | 1 | 1,0 |
| 1558 | 1 | 1 | 1,0 |
| 2058 | 1 | 1 | 1,0 |
| 1045 | 1 | 1 | 1,0 |
| 1307 | 1 | 1 | 1,0 |
| 1495 | 1 | 1 | 1,0 |
| 1590 | 1 | 1 | 1,0 |
| 2691 | 1 | 1 | 1,0 |
| 2960 | 1 | 1 | 1,0 |
| 1442 | 1 | 1 | 1,0 |
| 1086 | 1 | 1 | 1,0 |
| 605 | 1 | 1 | 1,0 |
| 1331 | 1 | 1 | 1,0 |
Viser de 30 bedst understøttede toppe ud af 55 i alt for Boron nitrogen.
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
-
780 cm⁻¹ tillid 1,0
“LLM confirmed rule peak-group candidate”
Bejarano 等 - 2006 - Deposition of B4CBCNc-BN multilayered thin films DOI: 10.1016/j.tsf.2005.08.192 -
1100 cm⁻¹ tillid 1,0
“Well-defined peaks at cm-1, 1100 and 1387 corresponding to the 2 (out-plane bending of B-N-B bond) h-BN 787 (in-plane stretching vibration mode, the F2 (stretching) c-BN Transversal Optical (TO) mode and the E of B-N bond) vibration mode of”
Cubic and hexagonal boron-nitride (c-BN/h-BN) thin films deposited in situ by r.f. magnetron sputtering DOI: 10.1002/pssb.200461776 -
1040 cm⁻¹ tillid 1,0
“The films contained mixed phases of h-BN cm(cid:1)1 peak at 1040 and c-BN, which were confirmed from XRD, TEM, SIMS, for the B-N stretching mode of c-BN XPS, and FTIR studies.”
Chowdhury 等 - 2004 - Novel electrodeposition route for the synthesis of DOI: 10.1016/j.matlet.2004.05.079 -
1123 cm⁻¹ tillid 1,0
“cm-1 The characteristic peak of 1123 corresponds to vibration modes of the B-N+, Q = N+ and N = Q = N (Q and B represent the quinoid and benzoid units, respectively) due to protonation of PANI.”
Jin 等 - 2018 - Polymer anode used in hydrometallurgy Anodic beha DOI: 10.1016/j.hydromet.2018.01.020 -
800 cm⁻¹ tillid 1,0
“The FTIR spectrum exhibited absorption bands at cm-1, approximately 800 and 1378 which were related to the h-BN structure.”
Kim 等 - 2015 - One-Pot Synthesis of h-BN Fullerenes Usinsg a Grap DOI: 10.1007/s12540-015-5043-0 -
1410 cm⁻¹ tillid 1,0
“LLM confirmed rule peak-group candidate”
Kumar 等 - 2016 - Emergence of fluorescence in boron nitride nanofla DOI: 10.1039/C6RA05288F. -
1130 cm⁻¹ tillid 1,0
“=𝜇(1282cm-1)/𝜇(2120cm-1) × 5.5 × 16.5, out h-BN additive displayed typical yellow due to the 𝜇(1130cm-1), 𝜇(1282cm-1) 𝜇(2120cm-1) involvement of nitrogen impurities, which is inevitable where and 2120cm-1, in the synthesis cell.”
B–C Bond in Diamond Single Crystal Synthesized with h-BN Additive at High Pressure and High Temperature DOI: 10.1088/0256-307X/33/2/028101 -
605 cm⁻¹ tillid 1,0
“We have investigated this peak in detail and examined its origin, and we have concluded that it is not due to B-N complexes but arises from the second harmonic of the substitutional carbon (Cs), the fundamental peak of 605cm(cid:1)1.”
Second Harmonic Vibrational Mode of Substitutional Carbon in Cast-Grown Multicrystalline Silicon DOI: 10.1143/APEX.4.051401
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