Sensing Application — Conductive Metal-Organic Frameworks as Ion-to-Electron Transducers in Potentiometric Sensors

Measurement evidence

Sensing Application

Conductive Metal-Organic Frameworks as Ion-to-Electron Transducers in Potentiometric Sensors · Mendecki L., Mirica K.A. · ACS Applied Materials and Interfaces · 2018 · 19248-19257

11 measurement groups · 24 results

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

light stability potentiometry

GCE/Ni3HHTP2 MOF/K+-ISM-II potentiometric device · Electrode

GCE/MOF/K+-ISM-II immersed in 1.0 x 10-3 M KCl with room lights switched on and off.

Atmosphere
aqueous
Geometry
GCE/Ni3HHTP2 MOF/K+-ISM-II
Context
MOF-containing composite sensor
Measurement source
18 · Light Stability · Figure S16
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
K+-ISM-II photosensitivityMarked as a best value within this paper<1 mV<Text
Approximate
6 · Potentiometric Ion Sensing · Figure S16

potentiometric potassium response with K+-ISM-I

GCE/Ni3HHTP2 MOF/K+-ISM-I potentiometric device · Electrode

Valinomycin-based K+-ISM-I membrane on GCE/Ni3HHTP2 MOF.

Atmosphere
aqueous
Geometry
GCE/Ni3HHTP2 MOF/K+-ISM-I
Context
MOF-containing composite sensor
Measurement source
7 · Potentiometric Ion Sensing · Figure 5B
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
K+-ISM-I limit of detection, Ni3HHTP2 deviceMarked as a best value within this paper5.01 +/- 0.01 x 10-7 M+/- 0.01 x 10-7 MText
Exact Reported
7 · Potentiometric Ion Sensing · Figure 5B
K+-ISM-I slope, Ni3HHTP2 deviceMarked as a best value within this paper58.2 +/- 1.0 mV decade-1+/- 1.0 mV/decadeText
Exact Reported
7 · Potentiometric Ion Sensing · Figure 5B

potentiometric potassium response for M3HHTP2 analogue devices

M3HHTP2 bulk powder series · Powder

K+-ISM-II devices using Ni3HHTP2, Co3HHTP2, or Cu3HHTP2 as underlying conductive layer.

Atmosphere
aqueous
Geometry
GCE/M3HHTP2 MOF/K+-ISM-II
Context
MOF-containing composite sensors
Measurement source
14 · Potentiometric Responses · Figure S10
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Co3HHTP2/K+-ISM-II analogue slopeMarked as a best value within this paper56.2 +/- 1.0 mV/decade+/- 1.0 mV/decadeCaption
Exact Reported
14 · Potentiometric Responses · Figure S10
Cu3HHTP2/K+-ISM-II analogue slope52.6 +/- 2.1 mV/decade+/- 2.1 mV/decadeCaption
Exact Reported
14 · Potentiometric Responses · Figure S10
Ni3HHTP2/K+-ISM-II analogue slope55.1 +/- 1.2 mV/decade+/- 1.2 mV/decadeCaption
Exact Reported
14 · Potentiometric Responses · Figure S10

potentiometric potassium response with K+-ISM-II

GCE/Ni3HHTP2 MOF/K+-ISM-II potentiometric device · Electrode

Stirred aqueous solution against double-junction Ag/AgCl reference at room temperature; at least three independent K+-ISEs.

Atmosphere
aqueous
Geometry
GCE/Ni3HHTP2 MOF/K+-ISM-II
Context
MOF-containing composite sensor
Measurement source
6 · Potentiometric Ion Sensing · Figure 5B
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
K+-ISM-II limit of detection, Ni3HHTP2 device6.76 +/- 0.03 x 10-6 M+/- 0.03 x 10-6 MText
Exact Reported
6 · Potentiometric Ion Sensing · Figure 5B
K+-ISM-II slope, Ni3HHTP2 device54.1 +/- 1.0 mV decade-1+/- 1.0 mV/decadeText
Exact Reported
6 · Potentiometric Ion Sensing · Figure 5B

potentiometric nitrate response

GCE/Ni3HHTP2 MOF/NO3--ISM potentiometric device · Electrode

Stirred aqueous solution against double-junction Ag/AgCl reference at room temperature; at least three independent NO3--ISEs.

Atmosphere
aqueous
Geometry
GCE/Ni3HHTP2 MOF/NO3--ISM
Context
MOF-containing composite sensor
Measurement source
6 · Potentiometric Ion Sensing · Figure 5A
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
NO3--ISM limit of detection6.31 +/- 0.01 x 10-7 M+/- 0.01 x 10-7 MText
Exact Reported
6 · Potentiometric Ion Sensing · Figure 5A
NO3--ISM slope56.3 +/- 0.5 mV decade-1+/- 0.5 mV/decadeText
Exact Reported
6 · Potentiometric Ion Sensing · Figure 5A

potentiometric selectivity coefficients

GCE/Ni3HHTP2 MOF/K+-ISM-I potentiometric device · Electrode

K+-ISM-I electrode selectivity versus Ca2+, Na+, and NH4+ by unbiased separate solution method.

Atmosphere
aqueous
Geometry
GCE/Ni3HHTP2 MOF/K+-ISM-I
Context
MOF-containing composite sensor
Measurement source
16 · Selectivity Coefficients · Table S3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
K+-ISM-I selectivity log KPOT versus Ca2+Marked as a best value within this paper-5.46 +/- 0.09+/- 0.09SI Table
Exact Reported
16 · Selectivity Coefficients · Table S3
K+-ISM-I selectivity log KPOT versus Na+-4.10 +/- 0.01+/- 0.01SI Table
Exact Reported
16 · Selectivity Coefficients · Table S3
K+-ISM-I selectivity log KPOT versus NH4+-2.12 +/- 0.05+/- 0.05SI Table
Exact Reported
16 · Selectivity Coefficients · Table S3

potentiometric selectivity coefficients

GCE/Ni3HHTP2 MOF/K+-ISM-II potentiometric device · Electrode

K+-ISM-II electrode selectivity versus Ca2+, Na+, and NH4+ by unbiased separate solution method.

Atmosphere
aqueous
Geometry
GCE/Ni3HHTP2 MOF/K+-ISM-II
Context
MOF-containing composite sensor
Measurement source
16 · Selectivity Coefficients · Table S1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
K+-ISM-II selectivity log KPOT versus Ca2+Marked as a best value within this paper-3.28 +/- 0.02+/- 0.02SI Table
Exact Reported
16 · Selectivity Coefficients · Table S1
K+-ISM-II selectivity log KPOT versus Na+-0.86 +/- 0.10+/- 0.10SI Table
Exact Reported
16 · Selectivity Coefficients · Table S1
K+-ISM-II selectivity log KPOT versus NH4+-0.82 +/- 0.05+/- 0.05SI Table
Exact Reported
16 · Selectivity Coefficients · Table S1

potentiometric selectivity coefficients

GCE/Ni3HHTP2 MOF/NO3--ISM potentiometric device · Electrode

NO3--ISM electrode selectivity versus SO4(2-), Cl-, and Br-.

Atmosphere
aqueous
Geometry
GCE/Ni3HHTP2 MOF/NO3--ISM
Context
MOF-containing composite sensor
Measurement source
16 · Selectivity Coefficients · Table S2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
NO3--ISM selectivity log KPOT versus Br--0.48 +/- 0.05+/- 0.05SI Table
Exact Reported
16 · Selectivity Coefficients · Table S2
NO3--ISM selectivity log KPOT versus Cl--1.82 +/- 0.01+/- 0.01SI Table
Exact Reported
16 · Selectivity Coefficients · Table S2
NO3--ISM selectivity log KPOT versus SO4(2-)Marked as a best value within this paper-3.15 +/- 0.01+/- 0.01SI Table
Exact Reported
16 · Selectivity Coefficients · Table S2

short- and long-term potentiometric stability

GCE/Ni3HHTP2 MOF/NO3--ISM potentiometric device · Electrode

NO3--ISM electrodes immersed in 1.0 x 10-3 M NH4NO3; long-term electrodes stored in ultra-pure water for 25 days.

Atmosphere
aqueous
Geometry
GCE/Ni3HHTP2 MOF/NO3--ISM
Context
MOF-containing composite sensor
Measurement source
17 · Stability Measurement · Figures S14-S15
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
NO3--ISM long-term standard-potential change15 mV change after 25 daysText
Rounded Reported
6 · Potentiometric Ion Sensing · Figure S15
NO3--ISM long-term standard-potential change, SI caption~10 mV +/- 3 after 25 days+/- 3 mVCaption
Approximate
17 · Long-term Stability · Figure S15
NO3--ISM short-term potential driftMarked as a best value within this paper11.1 +/- 0.5 uA/h+/- 0.5 uA/hText
Exact Reported
6 · Potentiometric Ion Sensing · Figure S14

potentiometric water-layer test

GCE/Ni3HHTP2 MOF/K+-ISM-II potentiometric device · Electrode

Sequential immersion in 0.1 M KCl, 0.1 M NaCl, and 0.1 M KCl.

Atmosphere
aqueous
Geometry
GCE/Ni3HHTP2 MOF/K+-ISM-II
Context
MOF-containing composite sensor
Measurement source
8 · Aqueous Layer Test · Figure 6B
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
K+-ISM-II water-layer driftonly very small potential drift during KCl/NaCl/KCl switchingText
Qualitative
8 · Aqueous Layer Test · Figure 6B

potentiometric water-layer test

GCE/Ni3HHTP2 MOF/NO3--ISM potentiometric device · Electrode

Sequential immersion in 0.1 M NH4NO3, 0.1 M CaCl2, and 0.1 M NH4NO3.

Atmosphere
aqueous
Geometry
GCE/Ni3HHTP2 MOF/NO3--ISM
Context
MOF-containing composite sensor
Measurement source
8 · Aqueous Layer Test · Figure 6A
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
NO3--ISM water-layer driftvery small potential drift after switching back to primary ion solutionText
Qualitative
8 · Aqueous Layer Test · Figure 6A