Spectroscopy — Immobilization of N-(3-aminopropyl)-imidazole through MOFs in proton conductive membrane for elevated temperature anhydrous applications

Measurement evidence

Spectroscopy

Immobilization of N-(3-aminopropyl)-imidazole through MOFs in proton conductive membrane for elevated temperature anhydrous applications · Wu B., Liang G., Lin X. et al. · Journal of Membrane Science · 2014 · 86-95

2 measurement groups · 22 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

FTIR spectroscopy, Bruker Vector 22, KBr pellets/membranes

Infrared spectroscopy

6% encapsulated MOFs membrane · Thin Film

IR spectra of activated MOFs, MOFs>NAPI and membrane; SI spectra of SPPO, PPO-SO2Cl and MOFs-NAPI membranes

Geometry: KBr pellets with 4 wt% MOFs and membranes about 25-30 um
Context: composite membrane with pristine and intermediate controls
Measurement source: p005 · 3.3 IR spectroscopy · Fig. 5

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
amine stretching IR band	3441 cm-1	—	—	Text Exact Reported	p005 · 3.3 IR spectroscopy · Fig. 5
amine stretching IR band	3379 cm-1	—	—	Text Exact Reported	p005 · 3.3 IR spectroscopy · Fig. 5
membrane SO2NH IR band	1170 cm-1	—	—	Text Exact Reported	p003 · SI 4 · Fig. S2
MOF carboxylate IR band	1432 cm-1	—	—	Text Exact Reported	p005 · 3.3 IR spectroscopy · Fig. 5
MOF carboxylate IR band	1576 cm-1	—	—	Text Exact Reported	p005 · 3.3 IR spectroscopy · Fig. 5
aromatic amine C-N IR band	1339 cm-1	—	—	Text Exact Reported	p005 · 3.3 IR spectroscopy · Fig. 5
amino N-H bending IR band	1623 cm-1	—	—	Text Exact Reported	p005 · 3.3 IR spectroscopy · Fig. 5
NAPI C=N stretching IR band	1058 cm-1	—	—	Text Exact Reported	p005 · 3.3 IR spectroscopy · Fig. 5
NAPI CH2 bending IR band	2855 cm-1	—	—	Text Exact Reported	p005 · 3.3 IR spectroscopy · Fig. 5
NAPI CH2 stretching IR band	665 cm-1	—	—	Text Exact Reported	p005 · 3.3 IR spectroscopy · Fig. 5
NAPI C-N stretching IR band	2928 cm-1	—	—	Text Exact Reported	p005 · 3.3 IR spectroscopy · Fig. 5
PPO-SO2Cl SO2Cl IR band	1374 cm-1	—	—	Text Exact Reported	p003 · SI 4 · Fig. S2
SO2Cl disappearance after reaction	SO2Cl band totally disappeared	—	—	Text Qualitative	p003 · SI 4 · Fig. S2
SPPO S=O IR band	1192 cm-1	—	—	Text Exact Reported	p003 · SI 4 · Fig. S2
SPPO SO3 IR band	1026 cm-1	—	—	Text Exact Reported	p003 · SI 4 · Fig. S2
SPPO SO3 IR band	1066 cm-1	—	—	Text Exact Reported	p003 · SI 4 · Fig. S2

1H NMR, AV III 400 NMR spectrometer, DMSO-d6

Nuclear magnetic resonance

6% encapsulated MOFs membrane · Thin Film

Spectra of SPPO, MOFs-membrane and MOFs-NAPI-membrane

Geometry: solution NMR
Context: composite membrane compared with polymer controls
Measurement source: p003-p004 · SI 6 · Fig. S4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
NAPI aliphatic-chain signal range not clearly observed	deltaH = 4.01-1.85 ppm cannot be observed clearly	—	—	Text Range	p004 · SI 6 · Fig. S4
NAPI imidazole 1H NMR signal	deltaH = 6.93 ppm	—	—	Text Exact Reported	p004 · SI 6 · Fig. S4
NAPI imidazole 1H NMR signal	deltaH = 7.01 ppm	—	—	Text Exact Reported	p004 · SI 6 · Fig. S4
NAPI imidazole 1H NMR signal	deltaH = 7.47 ppm	—	—	Text Exact Reported	p004 · SI 6 · Fig. S4
NAPI NH2 1H NMR signal	deltaH = 7.60 ppm	—	—	Text Exact Reported	p004 · SI 6 · Fig. S4
sulfamide 1H NMR signal	deltaH = 7.4 ppm	—	—	Text Exact Reported	p004 · SI 6 · Fig. S4