Spectroscopy — Mixed Ionic and Electronic Conductivity in a Tetrathiafulvalene-Phosphonate Metal-Organic Framework

Measurement evidence

Spectroscopy

Mixed Ionic and Electronic Conductivity in a Tetrathiafulvalene-Phosphonate Metal-Organic Framework · Ribeiro C., Tan B., Figueira F. et al. · Journal of the American Chemical Society · 2025 · 63-68

4 measurement groups · 4 results

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

Electron paramagnetic resonance, Bruker ESP-300E, X band 9.861 GHz

TTFTP-La MOF bulk dark crystals · Powder

Room-temperature EPR of TTFTP-La and H8TTFTP ligand.

Temperature
room temperature
Context
pristine framework and ligand control
Measurement source
64 · main text · Figure S16
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
EPR g factorg = 2.006Text
Exact Reported
64 · main text · Figure S16

FTIR/ATR spectroscopy, 4000-350 cm-1

TTFTP-La MOF bulk dark crystals · Powder

Powdered TTFTP-La compared with H8TTFTP ligand.

Context
pristine framework and ligand control
Measurement source
64 · main text · Figure S18
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
OH stretching band rangebroad bands around 3000-3300 cm-1range 3000-3300 cm-1Text
Range
64 · main text · Figure S18

Raman spectroscopy, 1064 nm

TTFTP-La MOF bulk dark crystals · Powder

Room-temperature Raman spectrum of TTFTP-La MOF.

Temperature
298
Context
pristine framework
Measurement source
S19 · Physicochemical characterization · Figure S17
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Charge-sensitive Raman bands1521, 1478 and 1410 cm-1multiple reported bandsText
Exact Reported
S19 · Raman spectroscopy · Figure S17

Diffuse UV-vis-NIR reflectance with Kubelka-Munk transformed Tauc plot

TTFTP-La MOF bulk dark crystals · Powder

Direct optical band gap obtained from linear fit to absorption onset.

Context
pristine framework powder
Measurement source
65 · main text · Figure S26
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Optical band gapEg = 1.58 eVText
Exact Reported
65 · main text · Figure S26