Porosity — High Proton Mobility with High Directionality in Isolated Channels of MOF-74

Measurement evidence

Porosity

High Proton Mobility with High Directionality in Isolated Channels of MOF-74 · Hwang S., Lee E.J., Song D. et al. · ACS Applied Materials and Interfaces · 2018 · 35354-35660

5 measurement groups · 15 results

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

N2 adsorption/desorption isotherms and BET surface area

Gas sorption and porosity

pH 11 NH4OH-treated Co-MOF-74 crystals before electrode configuration · Single Crystal

N2 isotherms at 77 K before and after exposure to 95% RH water vapour at 90 deg C for 24 h.

Temperature: 77
Atmosphere: N2 adsorption; water-vapour exposure at 95% RH before the second isotherm
Geometry: BELSORP-max sorption analysis
Context: pH-controlled Co-MOF-74 framework integrity and porosity check
Measurement source: S-9 · Section S6 · Table S3 / Figure S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
BET surface area after water-vapour exposure	1362	—	—	SI Table Exact Reported	S-9 · Section S6 · Table S3
BET surface area before water-vapour exposure	1361	—	—	SI Table Exact Reported	S-9 · Section S6 · Table S3
N2 adsorption/desorption isotherm retained after humid exposure	N2 adsorption/desorption isotherms shown before and after 95% RH water vapour exposure; pH-controlled Co-MOF-74 remains porous by graphical inspection and BET table.	—	—	Caption Qualitative	S-9 · Section S6 · Figure S3

N2 adsorption/desorption isotherms and BET surface area

Gas sorption and porosity

pH 3 H2SO4-treated Co-MOF-74 crystals before electrode configuration · Single Crystal

N2 isotherms at 77 K before and after exposure to 95% RH water vapour at 90 deg C for 24 h.

Temperature: 77
Atmosphere: N2 adsorption; water-vapour exposure at 95% RH before the second isotherm
Geometry: BELSORP-max sorption analysis
Context: pH-controlled Co-MOF-74 framework integrity and porosity check
Measurement source: S-9 · Section S6 · Table S3 / Figure S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
BET surface area after water-vapour exposure	932	—	—	SI Table Exact Reported	S-9 · Section S6 · Table S3
BET surface area before water-vapour exposure	1170	—	—	SI Table Exact Reported	S-9 · Section S6 · Table S3
N2 adsorption/desorption isotherm retained after humid exposure	N2 adsorption/desorption isotherms shown before and after 95% RH water vapour exposure; pH-controlled Co-MOF-74 remains porous by graphical inspection and BET table.	—	—	Caption Qualitative	S-9 · Section S6 · Figure S3

N2 adsorption/desorption isotherms and BET surface area

Gas sorption and porosity

pH 5 H2SO4-treated Co-MOF-74 crystals before electrode configuration · Single Crystal

N2 isotherms at 77 K before and after exposure to 95% RH water vapour at 90 deg C for 24 h.

Temperature: 77
Atmosphere: N2 adsorption; water-vapour exposure at 95% RH before the second isotherm
Geometry: BELSORP-max sorption analysis
Context: pH-controlled Co-MOF-74 framework integrity and porosity check
Measurement source: S-9 · Section S6 · Table S3 / Figure S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
BET surface area after water-vapour exposure	1194	—	—	SI Table Exact Reported	S-9 · Section S6 · Table S3
BET surface area before water-vapour exposure	1300	—	—	SI Table Exact Reported	S-9 · Section S6 · Table S3
N2 adsorption/desorption isotherm retained after humid exposure	N2 adsorption/desorption isotherms shown before and after 95% RH water vapour exposure; pH-controlled Co-MOF-74 remains porous by graphical inspection and BET table.	—	—	Caption Qualitative	S-9 · Section S6 · Figure S3

N2 adsorption/desorption isotherms and BET surface area

Gas sorption and porosity

pH 7 H2O-coordinating Co-MOF-74 crystals before electrode configuration · Single Crystal

N2 isotherms at 77 K before and after exposure to 95% RH water vapour at 90 deg C for 24 h.

Temperature: 77
Atmosphere: N2 adsorption; water-vapour exposure at 95% RH before the second isotherm
Geometry: BELSORP-max sorption analysis
Context: pH-controlled Co-MOF-74 framework integrity and porosity check
Measurement source: S-9 · Section S6 · Table S3 / Figure S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
BET surface area after water-vapour exposureMarked as a best value within this paper	1433	—	—	SI Table Exact Reported	S-9 · Section S6 · Table S3
BET surface area before water-vapour exposure	1394	—	—	SI Table Exact Reported	S-9 · Section S6 · Table S3
N2 adsorption/desorption isotherm retained after humid exposure	N2 adsorption/desorption isotherms shown before and after 95% RH water vapour exposure; pH-controlled Co-MOF-74 remains porous by graphical inspection and BET table.	—	—	Caption Qualitative	S-9 · Section S6 · Figure S3

N2 adsorption/desorption isotherms and BET surface area

Gas sorption and porosity

pH 9 NH4OH-treated Co-MOF-74 crystals before electrode configuration · Single Crystal

N2 isotherms at 77 K before and after exposure to 95% RH water vapour at 90 deg C for 24 h.

Temperature: 77
Atmosphere: N2 adsorption; water-vapour exposure at 95% RH before the second isotherm
Geometry: BELSORP-max sorption analysis
Context: pH-controlled Co-MOF-74 framework integrity and porosity check
Measurement source: S-9 · Section S6 · Table S3 / Figure S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
BET surface area after water-vapour exposure	1363	—	—	SI Table Exact Reported	S-9 · Section S6 · Table S3
BET surface area before water-vapour exposure	1367	—	—	SI Table Exact Reported	S-9 · Section S6 · Table S3
N2 adsorption/desorption isotherm retained after humid exposure	N2 adsorption/desorption isotherms shown before and after 95% RH water vapour exposure; pH-controlled Co-MOF-74 remains porous by graphical inspection and BET table.	—	—	Caption Qualitative	S-9 · Section S6 · Figure S3