Electrical Transport — Pd-Embedded Ti Metal–Organic Framework Nanostructures for Photocatalytic Reductive N-Formylation of Nitroarenes in Water

Measurement evidence

Electrical Transport

Pd-Embedded Ti Metal–Organic Framework Nanostructures for Photocatalytic Reductive N-Formylation of Nitroarenes in Water · Kar A.K., Behera A., Srivastava R. · ACS Applied Nano Materials · 2022 · 464-475

3 measurement groups · 10 results

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

Electrochemical impedance spectroscopy (EIS), Nyquist plots

Pd1.5%/Ti-MOF · Powder

EIS in 0.1 M aqueous Na2SO4 with photocatalyst-coated FTO working electrode, Pt counter electrode, and Ag/AgCl reference; frequency range 1 MHz to 100 Hz per SI (main text says 10^5-0.1 Hz, amplitude 0.01).

Geometry
electrode-electrolyte interface
Context
target composite compared with pristine Ti-MOF
Measurement source
SI text pS1 · Catalyst characterization and photo-electrochemical measurements · Figure 6c
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Pd1.5%/Ti-MOF Nyquist plotted Z prime extentMarked as a best value within this paperapproximately 21000 ohm at curve endpoint in Figure 6cFigure Axis
Approximate
p006 / article p469 · Optoelectronic Properties · Figure 6c
Pd incorporation effect on interfacial charge-transfer resistanceMarked as a best value within this papersignificantly lowers interfacial charge transfer resistanceText
Qualitative
p007 / article p470 · Optoelectronic Properties · Figure 6c
Ti-MOF Nyquist plotted Z prime extentapproximately 40000 ohm at curve endpoint in Figure 6cFigure Axis
Approximate
p006 / article p469 · Optoelectronic Properties · Figure 6c

Mott-Schottky analysis

Ti-MOF · Powder

Dark measurement at pH 6.8 and bias frequencies 500, 1000, and 1500 Hz; photoelectrochemical setup used 0.1 M aqueous Na2SO4 electrolyte, photocatalyst-coated FTO working electrode, Pt counter electrode, and Ag/AgCl reference.

Geometry
electrode-electrolyte interface; Ag/AgCl reference
Context
pristine control
Measurement source
SI text pS1 · Catalyst characterization and photo-electrochemical measurements · Figure 6a
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Ti-MOF HOMO potential1.65 V vs NHEText
Exact Reported
p007 / article p470 · Optoelectronic Properties · Figure 6a
Ti-MOF LUMO potential-0.85 V vs NHEText
Exact Reported
p007 / article p470 · Optoelectronic Properties · Figure 6a
Ti-MOF semiconductor typen-type characterText
Qualitative
p007 / article p470 · Optoelectronic Properties · Figure 6a
Ti-MOF flat-band potential vs Ag/AgCl-1.04 VText
Exact Reported
p007 / article p470 · Optoelectronic Properties · Figure 6a

Transient photocurrent density

Pd1.5%/Ti-MOF · Powder

Transient photocurrent under dark/illumination conditions using a 300 W Xenon arc lamp with cutoff filter lambda > 420 nm and intensity 100 mW cm-2; catalyst-coated FTO working electrode in 0.1 M Na2SO4.

Context
target composite compared with pristine Ti-MOF
Measurement source
SI text pS1 · Catalyst characterization and photo-electrochemical measurements · Figure 6b
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Pd1.5%/Ti-MOF photocurrentMarked as a best value within this paper3.52 uAText
Exact Reported
p007 / article p470 · Optoelectronic Properties · Figure 6b
Pd1.5%/Ti-MOF photocurrent enhancement over Ti-MOFMarked as a best value within this paperaround 1.95 times more than Ti-MOFText
Approximate
p007 / article p470 · Optoelectronic Properties · Figure 6b
Ti-MOF photocurrent inferred from reported ratio3.52 uA / 1.95 = approximately 1.81 uACalculated From Reported
Approximate
p007 / article p470 · Optoelectronic Properties · Figure 6b