Spectroscopy — Missing-Linker 2D Conductive Metal Organic Frameworks for Rapid Gas Detection

Measurement evidence

Spectroscopy

Missing-Linker 2D Conductive Metal Organic Frameworks for Rapid Gas Detection · Liu C., Gu Y., Liu C. et al. · ACS Sensors · 2021 · 429-438

3 measurement groups · 11 results

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

FT-IR spectroscopy, Bruker Vertex with liquid nitrogen cooled detector

as-synthesized missing-linker aNi-HAB solid · Powder

FTIR comparison of aNi-HAB and cNi-HAB; oxidized HAB FTIR also used for ligand assignment.

Geometry
solid sample
Context
pristine target with crystalline control comparison
Measurement source
8 · Figure S3 caption · Figure S3c
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
FTIR peak 1022 cm-11022 cm-1; assigned to in-plane bending of unsubstituted C-H in benzeneText
Rounded Reported
431 · Synthesis of conductive 2D MOF · Figure S3c
FTIR peak 1132 cm-11132 cm-1; assigned to quinoid ringCaption
Rounded Reported
8 · Figure S3 caption · Figure S3c
FTIR peak 1350 cm-11350 cm-1; assigned to C-N stretchingText
Rounded Reported
431 · Synthesis of conductive 2D MOF · Figure S3c
FTIR peak 1606 cm-11606 cm-1; assigned to aromatic ringText
Rounded Reported
431 · Synthesis of conductive 2D MOF · Figure S3c
FTIR peak 3220 cm-13220 cm-1; assigned to associative N-H peak affected by water moleculesCaption
Rounded Reported
8 · Figure S3 caption · Figure S3c
FTIR peak 645 cm-1645 cm-1; assigned to aromatic ringText
Rounded Reported
431 · Synthesis of conductive 2D MOF · Figure S3c
FTIR peak 860 cm-1860 cm-1; assigned to in-plane bending of unsubstituted C-H in benzeneText
Rounded Reported
431 · Synthesis of conductive 2D MOF · Figure S3c

Thermogravimetric analysis (TGA), 3 deg C/min under N2, 150 mL/min

as-synthesized missing-linker aNi-HAB solid · Powder

Thermal decomposition of aNi-HAB.

Atmosphere
N2
Geometry
powder
Context
pristine target
Measurement source
4 · General Characterizations · Figure S4a
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
aNi-HAB decomposition onsetdecomposes above 200 deg CText
Approximate
431 · Synthesis of conductive 2D MOF · Figure S4a

X-ray photoelectron spectroscopy (XPS), ULVAC-PHI 5000 Versa Probe, Al Kalpha

as-synthesized missing-linker aNi-HAB solid · Powder

Survey XPS of aMOF/aNi-HAB.

Geometry
powder/sample on holder
Context
pristine target
Measurement source
431 · Synthesis of conductive 2D MOF · Figure S3b
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
ideal cNi-HAB Ni:N ratioNi:N = 1:4Text
Exact Reported
431 · Synthesis of conductive 2D MOF
XPS element assignmentN 1s, Ni 2p, and C 1s peaks; absence of other counterionsText
Qualitative
431 · Synthesis of conductive 2D MOF · Figure S3b
Ni:N elemental ratioclose to 1:2.9Text
Rounded Reported
431 · Synthesis of conductive 2D MOF · Figure S3b