cMOF Evidence Base
Spectroscopy — Ultrathin MOF nanosheet-based resistive sensors for highly sensitive detection of methanol

Measurement evidence

Spectroscopy

Ultrathin MOF nanosheet-based resistive sensors for highly sensitive detection of methanol · Dai F., Cui X., Luo Y. et al. · Chemical Communications · 2022 · 11543-11546

2 measurement groups · 10 results

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

UPS and in situ FTIR before/after methanol adsorption

Infrared spectroscopyUltraviolet photoelectron spectroscopy

Co-TCPP-Ac NS thin film-based sensor · Electrode

Mechanistic spectroscopy on Co-TCPP-Ac NS sensor before and after adsorbing methanol molecules.

Atmosphere
methanol exposure
Geometry
nanosheet thin-film sensor
Context
pristine nanosheet thin-film active channel
Measurement source
4 · main text · Fig. 4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
In situ FTIR C-H peaks after methanol adsorption2845 cm-1 and 2828 cm-1——Text
Exact Reported		4 · main text · Fig. 4c
In situ FTIR C=O peaks after methanol adsorption1054 cm-1 and 1033 cm-1——Text
Exact Reported		4 · main text · Fig. 4c
Work function after methanol adsorptionWf = 3.70 eV3.7 eV—Figure Axis
Rounded Reported		4 · figure · Fig. 4b
Work function before methanol adsorptionWf = 4.31 eV4.31 eV—Figure Axis
Rounded Reported		4 · figure · Fig. 4b
Work-function decrease after methanol adsorptiondecreases by 0.61 eV0.61 eV—Text
Exact Reported		3-4 · main text · Fig. 4a,b

X-ray photoelectron spectroscopy

X-ray photoelectron spectroscopy

Co-TCPP-Ac NSs · Nanosheet

Surface chemical composition and elemental valence states of Co-TCPP-Ac NSs.

Context
pristine nanosheets
Measurement source
3 · main text · Fig. S3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
C 1s XPS peaks288.8 eV and 284.9 eV——Caption
Exact Reported		7 · Fig. S3 caption · Fig. S3e
Co 2p XPS peaks781.6 eV and 797.4 eV; satellites at 787.1 eV and 803.9 eV——Caption
Exact Reported		7 · Fig. S3 caption · Fig. S3b
XPS survey detected elementsCo, O, C, N——Caption
Qualitative		7 · Fig. S3 caption · Fig. S3a
N 1s XPS peaks398.6 eV, 399.1 eV and 401.1 eV——Caption
Exact Reported		7 · Fig. S3 caption · Fig. S3d
O 1s XPS peaks533.1 eV and 531.1 eV——Caption
Exact Reported		7 · Fig. S3 caption · Fig. S3c