Electrochemistry Application — Epitaxial Self-Assembly of Interfaces of 2D Metal-Organic Frameworks for Electroanalytical Detection of Neurotransmitters

16 measurement groups · 73 results

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

cyclic voltammetry with biologically relevant organic probes

Voltammetry

Ni3(HHTP)2 {001} oriented film on GCE · Electrode

Measurement source: 24 · Electrochemical Methods

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ni3(HHTP)2 {001} serotonin CV oxidation peak potential	0.348 V vs Ag/AgCl	—	—	Figure Axis Rounded Reported	13874 · Figure 3 caption · Figure 3
DA oxidation peak current on Ni {001}	6.1	—	—	Text Exact Reported	45 · Organic CV · Figure S36
DA oxidation potential on Ni {001}	+241	—	—	Text Exact Reported	45 · Organic CV · Figure S36
DOPAC oxidation potential on Ni {001}	+661	—	—	Text Exact Reported	49 · Organic CV · Figure S38
DOPAC reduction potential on Ni {001}	+254	—	—	Text Exact Reported	49 · Organic CV · Figure S38
Ni3(HHTP)2 {001} uric acid CV oxidation peak potential	0.364 V vs Ag/AgCl	—	—	Figure Axis Rounded Reported	13874 · Figure 3 caption · Figure 3
Ni3(HHTP)2 serotonin response trend	Both {100} and {001} Ni3(HHTP)2 produced weak, similar 5-HT responses with no dramatic sensitivity.	—	—	Text Qualitative	S49 · Serotonin on Ni3(HHTP)2 · Figure S39
Ni3(HHTP)2 AA cyclic-voltammetry behaviour	Both {100} and {001} Ni3(HHTP)2 participate in AA redox transformation, but neither showed a linear diffusion-controlled process.	—	—	Text Qualitative	S44 · Ascorbic Acid on Ni3(HHTP)2 · Figure S35
Ni3(HHTP)2 UA response trend	UA response at the {001} interface was higher than at the {100} interface.	—	—	Text Qualitative	S47 · Uric Acid on Ni3(HHTP)2 · Figure S37
DA oxidation peak current on Ni {001} at 100 uM	17.9	—	—	Figure Axis Approximate	60 · Organic CV comparison · Figure S47
DOPAC oxidation peak current on Ni {001} at 100 uM	1.49	—	—	Figure Axis Approximate	60 · Organic CV comparison · Figure S47

cyclic voltammetry with inorganic probes

Voltammetry

Ni3(HHTP)2 {100} nanorods on GCE · Electrode

Measurement source: 24 · Electrochemical Methods

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
K3Fe(CN)6 Delta Ep on Ni {100} at 50 mV/s	110	—	—	Text Exact Reported	42 · Inorganic CV · Figure S33
K3Fe(CN)6 HETR k0 on Ni {100}	2.2e-3	—	—	Text Exact Reported	42 · Inorganic CV · Figure S33
K4IrCl6 HETR k0 on Ni {100}	5.1e-2	—	—	Text Exact Reported	43 · Inorganic CV · Figure S34
Ni3(HHTP)2 {100} Ru(NH3)6Cl3 peak separation at 50 mV/s	110 mV	—	—	Text Rounded Reported	S40-S41 · Ru(NH3)6Cl3 on Ni3(HHTP)2 · Figure S32

cyclic voltammetry with inorganic probes

Voltammetry

Co3(HHTP)2 {001} oriented film on GCE · Electrode

Measurement source: 24 · Electrochemical Methods

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
K3Fe(CN)6 HETR k0 on Co {001}	not determined	—	—	Text Qualitative	32 · Inorganic CV · Figure S25
K4IrCl6 HETR k0 on Co {001}	4.8e-3	—	—	Text Exact Reported	33 · Inorganic CV · Figure S26
Ru(NH3)6Cl3 HETR k0 on Co {001}	7.2e-2	—	—	Text Exact Reported	31 · Inorganic CV · Figure S24

cyclic voltammetry with inorganic probes

Voltammetry

Co3(HHTP)2 {100} nanorods on GCE · Electrode

Measurement source: 24 · Electrochemical Methods

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
K3Fe(CN)6 HETR k0 on Co {100}	1.2e-5	—	—	Text Exact Reported	32 · Inorganic CV · Figure S25
K4IrCl6 HETR k0 on Co {100}	3.1e-3	—	—	Text Exact Reported	33 · Inorganic CV · Figure S26
Ru(NH3)6Cl3 HETR k0 on Co {100}	2.1e-2	—	—	Text Exact Reported	31 · Inorganic CV · Figure S24

cyclic voltammetry on bare GCE

Voltammetry

bare glassy carbon electrode · Electrode

Measurement source: 29 · Probe Analytes on Glassy Carbon Controls · Figure S23

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

cyclic voltammetry with inorganic probes

Voltammetry

Ni3(HHTP)2 {001} oriented film on GCE · Electrode

Measurement source: 24 · Electrochemical Methods

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
K3Fe(CN)6 Delta Ep on Ni {001} at 50 mV/s	383	—	—	Text Exact Reported	42 · Inorganic CV · Figure S33
K3Fe(CN)6 HETR k0 on Ni {001}	8.4e-5	—	—	Text Exact Reported	42 · Inorganic CV · Figure S33
K4IrCl6 HETR k0 on Ni {001}	2.2e-2	—	—	Text Exact Reported	43 · Inorganic CV · Figure S34
Ni3(HHTP)2 {001} Ru(NH3)6Cl3 peak separation at 50 mV/s	116 mV	—	—	Text Rounded Reported	S40-S41 · Ru(NH3)6Cl3 on Ni3(HHTP)2 · Figure S32

cyclic voltammetry with biologically relevant organic probes

Voltammetry

Co3(HHTP)2 {001} oriented film on GCE · Electrode

Measurement source: 24 · Electrochemical Methods

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
5-HT oxidation peak current on Co {001}	1.1	—	—	Text Exact Reported	39 · Organic CV · Figure S31
DA oxidation peak current on Co {001}	6	—	—	Text Exact Reported	35 · Organic CV · Figure S28
DA oxidation potential on Co {001}	+225	—	—	Text Exact Reported	35 · Organic CV · Figure S28
DOPAC oxidation peak current on Co {001}	1.1	—	—	Text Exact Reported	37 · Organic CV · Figure S30
UA oxidation peak current on Co {001}	2.0	—	—	Text Exact Reported	35 · Organic CV · Figure S29

cyclic voltammetry with biologically relevant organic probes

Voltammetry

Co3(HHTP)2 {100} nanorods on GCE · Electrode

Measurement source: 24 · Electrochemical Methods

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
5-HT oxidation peak current on Co {100}	1.0	—	—	Text Exact Reported	39 · Organic CV · Figure S31
DA oxidation peak current on Co {100}	1.0	—	—	Text Exact Reported	34 · Organic CV · Figure S28
DA oxidation potential on Co {100}	+327	—	—	Text Exact Reported	34 · Organic CV · Figure S28
DOPAC oxidation peak current on Co {100}	1.4	—	—	Text Exact Reported	37 · Organic CV · Figure S30
UA oxidation peak current on Co {100}	0.6	—	—	Text Exact Reported	35 · Organic CV · Figure S29
Co3(HHTP)2 AA cyclic-voltammetry behaviour	Co3(HHTP)2 {100} gave an observable AA oxidation wave; Co3(HHTP)2 {001} was passivating against AA.	—	—	Text Qualitative	S33 · Ascorbic Acid on Co3(HHTP)2 · Figure S27

cyclic voltammetry on bare GCE

Voltammetry

bare glassy carbon electrode · Electrode

Measurement source: 29 · Probe Analytes on Glassy Carbon Controls · Figure S23

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
DA oxidation peak current on GCE at 100 uM	1.71	—	—	Figure Axis Approximate	60 · Organic CV comparison · Figure S47
DOPAC oxidation peak current on GCE at 100 uM	0.847	—	—	Figure Axis Approximate	60 · Organic CV comparison · Figure S47

cyclic voltammetry with biologically relevant organic probes

Voltammetry

Ni3(HHTP)2 {100} nanorods on GCE · Electrode

Measurement source: 24 · Electrochemical Methods

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ni3(HHTP)2 {100} serotonin CV oxidation peak potential	0.349 V vs Ag/AgCl	—	—	Figure Axis Rounded Reported	13874 · Figure 3 caption · Figure 3
DA oxidation peak current on Ni {100}	1.9	—	—	Text Exact Reported	45 · Organic CV · Figure S36
DA oxidation potential on Ni {100}	+161	—	—	Text Exact Reported	45 · Organic CV · Figure S36
DOPAC oxidation potential on Ni {100}	+301	—	—	Text Exact Reported	48 · Organic CV · Figure S38
DOPAC reduction potential on Ni {100}	-77	—	—	Text Exact Reported	48 · Organic CV · Figure S38
Ni3(HHTP)2 {100} uric acid CV oxidation peak potential	0.371 V vs Ag/AgCl	—	—	Figure Axis Rounded Reported	13874 · Figure 3 caption · Figure 3
DA oxidation peak current on Ni {100} at 100 uM	21.9	—	—	Figure Axis Approximate	60 · Organic CV comparison · Figure S47
DOPAC oxidation peak current on Ni {100} at 100 uM	1.46	—	—	Figure Axis Approximate	60 · Organic CV comparison · Figure S47

non-Faradaic scan-rate capacitance / ECSA

bare glassy carbon electrode · Electrode

Measurement source: 51 · Analysis of ECSA · Table S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Electrode surface area of GCE	7.07 +/- 0.40	—	—	Table Exact Reported	53 · ECSA · Table S1
Normalised ECSA of GCE	1.00 +/- 0.08	—	—	Table Exact Reported	53 · ECSA · Table S1

non-Faradaic scan-rate capacitance / ECSA

Ni3(HHTP)2 {100} nanorods on GCE · Electrode

Measurement source: 51 · Analysis of ECSA · Table S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Electrode surface area of Ni {100}	10.9 +/- 0.50	—	—	Table Exact Reported	53 · ECSA · Table S1
Normalised ECSA of Ni {100}	1.54 +/- 0.07	—	—	Table Exact Reported	53 · ECSA · Table S1

non-Faradaic scan-rate capacitance / ECSA

Ni3(HHTP)2 {001} oriented film on GCE · Electrode

Measurement source: 51 · Analysis of ECSA · Table S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Electrode surface area of Ni {001}	4.99 +/- 0.54	—	—	Table Exact Reported	53 · ECSA · Table S1
Normalised ECSA of Ni {001}	0.71 +/- 0.12	—	—	Table Exact Reported	53 · ECSA · Table S1

Langmuir adsorption isotherm from CV peak currents

Voltammetry

bare glassy carbon electrode · Electrode

Measurement source: 57 · Langmuir Isotherm Studies · Table S2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
GCE DA Langmuir beta	2.69e-4 +/- 0.91e-4	—	—	Table Exact Reported	59 · Langmuir Isotherm Studies · Table S2
GCE DA Langmuir DeltaG	-13.9 +/- 0.8	—	—	Table Exact Reported	59 · Langmuir Isotherm Studies · Table S2
GCE DA Langmuir Gamma_s	5155 +/- 1118	—	—	Table Exact Reported	59 · Langmuir Isotherm Studies · Table S2
GCE DOPAC Langmuir beta	3.14e-5 +/- 1.16e-5	—	—	Table Exact Reported	59 · Langmuir Isotherm Studies · Table S2
GCE DOPAC Langmuir DeltaG	-8.5 +/- 0.9	—	—	Table Exact Reported	59 · Langmuir Isotherm Studies · Table S2
GCE DOPAC Langmuir Gamma_s	22951 +/- 9049	—	—	Table Exact Reported	59 · Langmuir Isotherm Studies · Table S2

Langmuir adsorption isotherm from CV peak currents

Voltammetry

Ni3(HHTP)2 {001} oriented film on GCE · Electrode

Measurement source: 57 · Langmuir Isotherm Studies · Table S2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Langmuir adsorption equilibrium constant trend	beta for DA and DOPAC: Ni3(HHTP)2 {001} > Ni3(HHTP)2 {100} > GCE	—	—	Text Qualitative	13878 · Interpretation of Langmuir Isotherm Studies · Figure 7, Table S2
Langmuir Gibbs free energy trend	Delta G more negative on Ni3(HHTP)2 than GCE and largest on Ni3(HHTP)2 {001}	—	—	Text Qualitative	13878 · Interpretation of Langmuir Isotherm Studies · Figure 7, Table S2
Langmuir saturation surface coverage trend	Ni3(HHTP)2 {001} lowest Gamma_S; GCE highest Gamma_S for both DA and DOPAC	—	—	Text Qualitative	13878 · Interpretation of Langmuir Isotherm Studies · Figure 7, Table S2
Ni {001} DA Langmuir beta	1.38e-2 +/- 0.14e-2	—	—	Table Exact Reported	59 · Langmuir Isotherm Studies · Table S2
Ni {001} DA Langmuir DeltaG	-23.6 +/- 0.3	—	—	Table Exact Reported	59 · Langmuir Isotherm Studies · Table S2
Ni {001} DA Langmuir Gamma_s	2714 +/- 62	—	—	Table Exact Reported	59 · Langmuir Isotherm Studies · Table S2
Ni {001} DOPAC Langmuir beta	1.85e-3 +/- 0.65e-3	—	—	Table Exact Reported	59 · Langmuir Isotherm Studies · Table S2
Ni {001} DOPAC Langmuir DeltaG	-18.6 +/- 0.9	—	—	Table Exact Reported	59 · Langmuir Isotherm Studies · Table S2
Ni {001} DOPAC Langmuir Gamma_s	1025 +/- 244	—	—	Table Exact Reported	59 · Langmuir Isotherm Studies · Table S2

Langmuir adsorption isotherm from CV peak currents

Voltammetry

Ni3(HHTP)2 {100} nanorods on GCE · Electrode

Measurement source: 57 · Langmuir Isotherm Studies · Table S2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ni {100} DA Langmuir beta	3.43e-3 +/- 0.31e-3	—	—	Table Exact Reported	59 · Langmuir Isotherm Studies · Table S2
Ni {100} DA Langmuir DeltaG	-20.2 +/- 0.2	—	—	Table Exact Reported	59 · Langmuir Isotherm Studies · Table S2
Ni {100} DA Langmuir Gamma_s	3946 +/- 86	—	—	Table Exact Reported	59 · Langmuir Isotherm Studies · Table S2
Ni {100} DOPAC Langmuir beta	2.55e-4 +/- 0.72e-4	—	—	Table Exact Reported	59 · Langmuir Isotherm Studies · Table S2
Ni {100} DOPAC Langmuir DeltaG	-13.7 +/- 0.7	—	—	Table Exact Reported	59 · Langmuir Isotherm Studies · Table S2
Ni {100} DOPAC Langmuir Gamma_s	2614 +/- 501	—	—	Table Exact Reported	59 · Langmuir Isotherm Studies · Table S2