Spectroscopy — Mixed proton-electron conductivity in a dynamic 3D metal-organic framework

Measurement evidence

Spectroscopy

Mixed proton-electron conductivity in a dynamic 3D metal-organic framework · Rambabu D., Goossens T., Bakuru V.R. et al. · Chem · 2025 · 102590

2 measurement groups · 15 results

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

chemical oxidation-reduction followed by FTIR and PXRD

H12-Fe2-(DOBDP)3 (_d) · Powder

Oxidation with NOBF4 and reduction with NaBH3CN; FTIR tracks carbonyl band and XRD tracks framework stability.

Atmosphere
Ar-filled glovebox for chemical treatment
Geometry
powder
Context
processed Fe/Al dehydrated MOFs
Measurement source
p008-p009 · Reversible redox behavior · Figure 5; Figure S25
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Oxidation-induced C=O carbonyl FTIR band1659 cm^-11659 cm^-1Text
Exact Reported
p008 · Reversible redox behavior · Figure 5B; Figure S25B

thermogravimetric analysis and elemental analysis

H12-Fe2-(DOBDP)3.12H2O (_h) powder · Powder

TGA under argon/nitrogen heating; elemental C,H analysis used to estimate water content across hydration states.

Atmosphere
argon/nitrogen
Geometry
powder
Context
pristine and processed MOF powders
Measurement source
p005 · Water sorption and structure dynamics · Table 1; Figure S6; Table S1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Al _h observed TGA water loss19.7 wt%19.7 wt%SI Table
Exact Reported
p011 · Figure S6 · Figure S6B
Water content in Al _ph phase8 H2O8 H2O per formula unitTable
Exact Reported
p005 · Water sorption and structure dynamics · Table 1
Water content in Al _sh phase15 H2O; remaining 6 water molecules cannot be located due to disorder15 H2O per formula unitTable
Approximate
p005 · Water sorption and structure dynamics · Table 1
Water content in fully dehydrated MOF phases0 H2O0 H2O per formula unitTable
Exact Reported
p005 · Water sorption and structure dynamics · Table 1
Water content in Fe/Al _h phases12 H2O12 H2O per formula unitTable
Exact Reported
p005 · Water sorption and structure dynamics · Table 1
Thermal stability before framework decompositionMOFs remain thermally stable up to ~280 deg C553.15 K~Text
Approximate
p011 · Figure S6 discussion · Figure S6
Fe _h observed TGA water loss18.6 wt%18.6 wt%SI Table
Exact Reported
p011 · Figure S6 · Figure S6B
Water content in Fe _pd phase3 H2O3 H2O per formula unitTable
Exact Reported
p005 · Water sorption and structure dynamics · Table 1
Water content in Fe _ph phase7 H2O7 H2O per formula unitTable
Exact Reported
p005 · Water sorption and structure dynamics · Table 1
Water content in Fe _sh phase21 H2O21 H2O per formula unitTable
Exact Reported
p005 · Water sorption and structure dynamics · Table 1
In _h observed TGA water loss23.1 wt%23.1 wt%SI Table
Exact Reported
p011 · Figure S6 · Figure S6B
Sc _h observed TGA water loss25.4 wt%25.4 wt%SI Table
Exact Reported
p011 · Figure S6 · Figure S6B
Water content in Sc/In _h phases18 H2O18 H2O per formula unitTable
Exact Reported
p005 · Water sorption and structure dynamics · Table 1
Water content in Sc/In _ph phases4 H2O4 H2O per formula unitTable
Exact Reported
p005 · Water sorption and structure dynamics · Table 1