Other — Development of a UiO-Type Thin Film Electrocatalysis Platform with Redox-Active Linkers

Measurement evidence

Other

Development of a UiO-Type Thin Film Electrocatalysis Platform with Redox-Active Linkers · Johnson B.A., Bhunia A., Fei H. et al. · Journal of the American Chemical Society · 2018 · 2985-2994

2 measurement groups · 4 results

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

Potentiometric acid-base titration

Zr(dcphOH-NDI) bulk microcrystalline powder · Powder

About 50 mg MOF in 60 mL 0.01 M NaNO3(aq), adjusted to pH 3 with HCl, titrated with 25 uL aliquots of 0.1 M NaOH to pH 8.6.

Atmosphere
aqueous
Context
pristine framework
Measurement source
main p.4 · Protonation Behavior · Figure 4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
pKa assigned to NDI-OH linker6.10 +/- 0.05+/- 0.05Text
Exact Reported
main p.4 · Protonation Behavior · Figure 4
pKa assigned to Zr-mu3-OH SBU3.45 +/- 0.02+/- 0.02Text
Exact Reported
main p.4 · Protonation Behavior · Figure 4

Potentiometric acid-base titration

dcphOH-NDI solution control · Model

17 mg dcphOH-NDI in 25 mL of 0.01 M NaNO3(aq)/DMF 1:1 v/v, titrated to final pH 11.

Atmosphere
aqueous/DMF
Context
free-linker control
Measurement source
SI p.S4 · Figure captions · Figure S6
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Free-linker carboxylic acid pKa3.37Caption
Exact Reported
SI p.S4 · Figure captions · Figure S6
Free-linker hydroxyl pKa6.27Caption
Exact Reported
SI p.S4 · Figure captions · Figure S6