cMOF Evidence Base
Sensing Application — In-situ Growth of Ultrathin ZIF-67 Nanosheets on Conductive Ti@TiO2/CdS Substrate for High-efficient Electrochemical Catalysis

Measurement evidence

Sensing Application

In-situ Growth of Ultrathin ZIF-67 Nanosheets on Conductive Ti@TiO2/CdS Substrate for High-efficient Electrochemical Catalysis · Zhang T., Du J., Zhang H. et al. · Electrochimica Acta · 2016 · 623-629

3 measurement groups · 12 results

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

amperometric current-time response and calibration for H2O2

Chronoamperometry

Ti@TiO2/CdS/ZIF-67 electrode · Electrode

0.5 M NaOH, successive H2O2 additions, optimum 1.40 V vs RHE (0.50 V vs Hg/HgO).

Geometry
direct working electrode
Context
target composite electrode as non-enzymatic H2O2 sensor
Measurement source
4-5 · Results and discussion · Fig. 6
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
H2O2 detection limitMarked as a best value within this paper1.11 uM——Text
Exact Reported		1 · Abstract
H2O2 calibration higher linear range5-14 mM——Text
Range		5 · Results and discussion · Fig. 6B
H2O2 calibration lower linear range0-5 mM——Text
Range		5 · Results and discussion · Fig. 6B
overall reported H2O2 linear rangeMarked as a best value within this paper5 uM-14 mM (Table 1: 5-14000 uM)——Table
Range		5 · Table 1 · Table 1
optimum NaOH concentration for H2O2 sensing0.5 M NaOH——Text
Exact Reported		5 · Results and discussion · Fig. S12B
optimum H2O2 sensing potential vs RHE1.40 V vs RHE——Text
Exact Reported		5 · Results and discussion · Fig. S12A
time to reach 95% steady-state H2O2 currentMarked as a best value within this paperwithin 2 s——Text
Rounded Reported		5 · Results and discussion · Fig. 6A
H2O2 sensitivity, higher concentration range571.27 uA mM^-1 cm^-2——Text
Exact Reported		5 · Results and discussion · Fig. 6B
H2O2 sensitivity, lower concentration rangeMarked as a best value within this paper1214.3 uA mM^-1 cm^-2——Text
Exact Reported		5 · Results and discussion · Fig. 6B / Table 1

cyclic voltammetry for H2O2 oxidation

Voltammetry

Ti@TiO2/CdS/ZIF-67 electrode · Electrode

0.5 M NaOH with H2O2 from 0 to 5 mM; scan rate 10 mV s^-1.

Geometry
direct working electrode
Context
target composite electrode as non-enzymatic H2O2 sensor
Measurement source
4 · Results and discussion · Fig. 5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource

interference, reproducibility and 30-day sensitivity stability tests

Ti@TiO2/CdS/ZIF-67 electrode · Electrode

Successive additions of H2O2, glucose, ascorbic acid, uric acid, fructose and lactose; normalized sensitivity tested every 3 days over 30 days.

Geometry
direct working electrode
Context
target composite electrode as non-enzymatic H2O2 sensor
Measurement source
5-6 · Results and discussion · Fig. 7
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
H2O2 sensor reproducibility RSDabout 1.4%——Text
Approximate		6 · Results and discussion · Fig. 7B
H2O2 response retained after interferent additionsMarked as a best value within this paper99% of original value——Text
Rounded Reported		6 · Results and discussion · Fig. 7A
H2O2 sensitivity stability testing durationtested every 3 days over 30 days——Caption
Exact Reported		5 · Figure caption · Fig. 7B