Diffraction Structure — A Triptycene-Based 2D MOF with Vertically Extended Structure for Improving the Electrocatalytic Performance of CO2 to Methane

Measurement evidence

Diffraction Structure

A Triptycene-Based 2D MOF with Vertically Extended Structure for Improving the Electrocatalytic Performance of CO2 to Methane · Lv J., Li W., Li J. et al. · Angewandte Chemie - International Edition · 2023 · e202217958

3 measurement groups · 9 results

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

Post-CO2RR PXRD, FT-IR, HR-TEM, EDS, XPS, Cu LMM Auger

2D-vc-MOF(Cu) glassy carbon working electrode · Electrode

Catalyst characterised after CO2RR electrolysis for structural and compositional retention.

Atmosphere
after CO2RR
Context
post-electrolysis catalyst/electrode residue
Measurement source
4 · The e-CO2RR Performance of 2D-vc-MOF(Cu) · Figures S30-S35; Tables S8-S9
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu LMM Auger binding energy after CO2RR569 eV for Cu2+Text
Exact Reported
4 · The e-CO2RR Performance of 2D-vc-MOF(Cu) · Figure S35
Structural retention after CO2RRPXRD and FT-IR features still observable; HR-TEM porous framework and homogeneous C/O/Cu distribution retainedQualitative
Qualitative
4 · The e-CO2RR Performance of 2D-vc-MOF(Cu) · Figures S30-S34

PXRD, HR-TEM/SAED, Pawley refinement

2D-vc-MOF(Cu) blue-black powder · Powder

Experimental PXRD compared with AA, AB, and AA' stacking models; HR-TEM and SAED used for lattice/interlayer spacing.

Context
pristine target MOF
Measurement source
3 · The Synthesis and Characterization of 2D-vc-MOF(Cu) · Figure 3; Figures S13-S14; Tables S4-S5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Estimated lattice parameter c from Bragg/hexagonal d-spacing13.67 AText
Rounded Reported
3 · The Synthesis and Characterization of 2D-vc-MOF(Cu)
AA' refined cell parameter aa = b = 21.419 A in main text; Table S5 reports 22.419 AText
Uncertain
3 · The Synthesis and Characterization of 2D-vc-MOF(Cu) · Figure S14; Table S5
AA' refined cell parameter cc = 13.473 AText
Exact Reported
3 · The Synthesis and Characterization of 2D-vc-MOF(Cu) · Figure S14; Table S5
AA' stacking Pawley RwpMarked as a best value within this paperRwp = 4.87%Text
Exact Reported
3 · The Synthesis and Characterization of 2D-vc-MOF(Cu) · Figure S14; Table S5
Primary PXRD diffraction peaks4.7, 8.2, 9.5, and 10.6 degrees 2thetaText
Exact Reported
3 · The Synthesis and Characterization of 2D-vc-MOF(Cu) · Figure 3c
SAED interlayer spacing along c direction6.9 AText
Exact Reported
3 · The Synthesis and Characterization of 2D-vc-MOF(Cu) · Figure S13

PXRD after solvent immersion

2D-vc-MOF(Cu) blue-black powder · Powder

Immersed in dichloromethane, acetone, methanol, H2O, and THF for two days, then PXRD compared.

Context
pristine target MOF
Measurement source
3 · The Synthesis and Characterization of 2D-vc-MOF(Cu) · Figure S16
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
PXRD retention after solvent soakingsubtle difference in PXRD patterns after soaking; chemically robust in DCM, acetone, MeOH, H2O, THF for two daysQualitative
Qualitative
3 · The Synthesis and Characterization of 2D-vc-MOF(Cu) · Figure S16