Electrochemistry Application — Electronic Doping of Metal-Organic Frameworks for High-Performance Flexible Micro-Supercapacitors

16 measurement groups · 46 results

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

CV under bending

Voltammetry

TCNQ-MOF-MSC device · Electrode

CV at bending angles of 30, 60 and 90 degrees at 100 mV s^-1; compared with 0 degrees in Figure 4e. Measurements performed using CHI 760D electrochemical workstation.

Context: flexible MSC stability
Measurement source: 5 · Results and Discussion · Figure 4e

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
tested bending angles	0, 30, 60 and 90 degrees	—	—	Caption Exact Reported	5 · Results and Discussion · Figure 4e
repeated bending cycle count	500 cycles	—	—	Caption Exact Reported	Figure caption · Figure S25
CV change under bendingMarked as a best value within this paper	No obvious changes in CV curves	—	—	Text Qualitative	5 · Results and Discussion · Figure 4e/Figure S25
capacitance retained after repeated bending	93.6% of initial areal capacitance preserved after 500 cycles	—	—	Caption Exact Reported	Figure caption · Figure S25
bending-test CV scan rate	100 mV s^-1	—	—	Caption Exact Reported	5 · Results and Discussion · Figure 4e

cyclic voltammetry of flexible asymmetric MSC

Voltammetry

BQ-MOF-MSC device · Electrode

Areal capacitance calculated from CV curves at a scan rate of 5 mV s^-1. Measurements performed using CHI 760D electrochemical workstation.

Context: composite MSC device
Measurement source: 5 · Results and Discussion · Figure 4a-c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
BQ-MOF-MSC areal capacitance at 5 mV s^-1	77.2 mF cm^-2	—	—	Text Exact Reported	5 · Results and Discussion · Figure 4b,c
BQ-MOF-MSC capacitance multiple versus MOF-MSC	2.7 times	—	—	Figure Axis Rounded Reported	5 · Results and Discussion · Figure 4c

cyclic voltammetry of flexible asymmetric MSC

Voltammetry

MOF-MSC benchmark device · Electrode

Areal capacitance calculated from CV curves at a scan rate of 5 mV s^-1. Measurements performed using CHI 760D electrochemical workstation.

Context: composite MSC device
Measurement source: 5 · Results and Discussion · Figure 4a-c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
MOF-MSC capacitance multiple versus MOF-MSC	1.0 times	—	—	Figure Axis Rounded Reported	5 · Results and Discussion · Figure 4c
MOF-MSC areal capacitance at 5 mV s^-1	28.3 mF cm^-2	—	—	Text Exact Reported	5 · Results and Discussion · Figure 4b,c

cyclic voltammetry of flexible asymmetric MSC

Voltammetry

PMDI-MOF-MSC device · Electrode

Areal capacitance calculated from CV curves at a scan rate of 5 mV s^-1. Measurements performed using CHI 760D electrochemical workstation.

Context: composite MSC device
Measurement source: 5 · Results and Discussion · Figure 4a-c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
PMDI-MOF-MSC capacitance multiple versus MOF-MSC	2.4 times	—	—	Figure Axis Rounded Reported	5 · Results and Discussion · Figure 4c
PMDI-MOF-MSC areal capacitance at 5 mV s^-1	69.2 mF cm^-2	—	—	Text Exact Reported	5 · Results and Discussion · Figure 4b,c

cyclic voltammetry of flexible asymmetric MSC

Voltammetry

TCNQ-MOF-MSC device · Electrode

Areal capacitance calculated from CV curves at a scan rate of 5 mV s^-1. Measurements performed using CHI 760D electrochemical workstation.

Context: composite MSC device
Measurement source: 5 · Results and Discussion · Figure 4a-c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
TCNQ-MOF-MSC capacitance multiple versus MOF-MSCMarked as a best value within this paper	3.4 times	—	—	Text Exact Reported	5 · Results and Discussion · Figure 4c
TCNQ-MOF-MSC areal capacitance at 5 mV s^-1Marked as a best value within this paper	95.1 mF cm^-2	—	—	Text Exact Reported	5 · Results and Discussion · Figure 4b,c

cyclic voltammetry

Voltammetry

TCNQ, BQ and PMDI in DCM/Bu4NPF6 reference CV solution · Unknown

CV for energy gap in three-electrode cell in dichloromethane solution of Bu4NPF6 (0.1 M), scan rate 50 mV s^-1, room temperature; Pt plate counter electrode, Ag/AgCl reference, glassy carbon working electrode.

Temperature: room temperature
Context: reference molecular electrochemistry
Measurement source: 3-4 · Results and Discussion · Figure 3a,b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
BQ first reversible reduction potential	-0.54 V vs Ag/AgCl	—	—	Text Exact Reported	3 · Results and Discussion · Figure 3a
BQ derived LUMO	-4.22 eV	—	—	Text Exact Reported	3 · Results and Discussion · Figure 3b
PMDI first reversible reduction potential	-0.46 V vs Ag/AgCl	—	—	Text Exact Reported	3 · Results and Discussion · Figure 3a
PMDI derived LUMO	-4.3 eV	—	—	Text Exact Reported	3 · Results and Discussion · Figure 3b
TCNQ first reversible reduction potential	-0.08 V vs Ag/AgCl	—	—	Text Exact Reported	3 · Results and Discussion · Figure 3a
TCNQ derived LUMO	-4.68 eV	—	—	Text Exact Reported	3 · Results and Discussion · Figure 3b

cyclic voltammetry

Voltammetry

BQ@Cu3(BTC)2 thin film on Cu foil · Thin Film

CV curves of doped Cu3(BTC)2 thin films at 50 mV s^-1, used to infer LUMO/HOMO energy levels. CHI 760D electrochemical workstation; DCM/Bu4NPF6 (0.1 M), 50 mV s^-1 at room temperature for energy-level measurements.

Context: doped film energy levels
Measurement source: 3-4 · Results and Discussion · Figure 3c,d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
BQ@Cu3(BTC)2 HOMO	-6.37 eV	—	—	Text Exact Reported	3 · Results and Discussion · Figure 3c,d
BQ@Cu3(BTC)2 LUMO	-4.31 eV	—	—	Text Exact Reported	3 · Results and Discussion · Figure 3c,d

cyclic voltammetry

Voltammetry

Cu3(BTC)2 thin film on Cu foil · Thin Film

Cu3(BTC)2 electrochemical energy-level measurement; DCM/Bu4NPF6 context from Figure 3 caption for molecule/pristine comparison. CHI 760D electrochemical workstation; DCM/Bu4NPF6 (0.1 M), 50 mV s^-1 at room temperature for energy-level measurements.

Temperature: room temperature
Context: pristine MOF energy levels
Measurement source: 3-4 · Results and Discussion · Figure 3a,b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu3(BTC)2 first reversible oxidation potential	1.53 V vs Ag/AgCl	—	—	Text Exact Reported	3 · Results and Discussion · Figure 3a
Cu3(BTC)2 first reversible reduction potential	-1.35 V vs Ag/AgCl	—	—	Text Exact Reported	3 · Results and Discussion · Figure 3a
Cu3(BTC)2 derived LUMO	-3.41 eV	—	—	Text Exact Reported	3 · Results and Discussion · Figure 3b

cyclic voltammetry

Voltammetry

PMDI@Cu3(BTC)2 thin film on Cu foil · Thin Film

Context: doped film energy levels
Measurement source: 3-4 · Results and Discussion · Figure 3c,d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
PMDI@Cu3(BTC)2 HOMO	-6.35 eV	—	—	Text Exact Reported	3 · Results and Discussion · Figure 3c,d
PMDI@Cu3(BTC)2 LUMO	-4.26 eV	—	—	Text Exact Reported	3 · Results and Discussion · Figure 3c,d

cyclic voltammetry

Voltammetry

TCNQ@Cu3(BTC)2 thin film on Cu foil · Thin Film

Context: doped film energy levels
Measurement source: 3-4 · Results and Discussion · Figure 3c,d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
TCNQ@Cu3(BTC)2 HOMO	-6.34 eV	—	—	Text Exact Reported	3 · Results and Discussion · Figure 3c,d
TCNQ@Cu3(BTC)2 LUMO	-4.8 eV	—	—	Text Exact Reported	3 · Results and Discussion · Figure 3c,d

charge-discharge cycling

Galvanostatic cycling

TCNQ-MOF-MSC device · Electrode

Cycling stability after 5000 charge/discharge cycles at 10 mA cm^-2; SI plot image for Figure S23 was not supplied. Measurements performed using CHI 760D electrochemical workstation.

Context: MSC durability
Measurement source: 5 · Results and Discussion · Figure S23

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
cycle count for retention test	5000 charge/discharge cycles	—	—	Text Exact Reported	5 · Results and Discussion · Figure S23
cycling current density	10 mA cm^-2	—	—	Text Exact Reported	1 · Abstract
capacitance retention after 5000 cyclesMarked as a best value within this paper	94.1% after 5000 charge/discharge cycles at 10 mA cm^-2	—	—	Text Exact Reported	5 · Results and Discussion · Figure S23

electrochemical impedance spectroscopy

Impedance spectroscopy

TCNQ-MOF-MSC device · Electrode

EIS of fabricated devices; SI plot image for Figure S22 was not supplied. Measurements performed using CHI 760D electrochemical workstation.

Context: MSC charge-transfer/mass-transfer behaviour
Measurement source: 5 · Results and Discussion · Figure S22

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
high-frequency EIS semicircle	much smaller semicircle	—	—	Text Qualitative	5 · Results and Discussion · Figure S22
low-frequency EIS slope	straight line with much larger slope	—	—	Text Qualitative	5 · Results and Discussion · Figure S22

galvanostatic charge-discharge

Galvanostatic cycling

TCNQ-MOF-MSC device · Electrode

GCD comparison at same current density of 2 mA cm^-2; SI plot images for Figures S18-S21 were not supplied. Measurements performed using CHI 760D electrochemical workstation.

Context: MSC application
Measurement source: 4 · Results and Discussion · Figure S18-S21

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
GCD comparison current density	2 mA cm^-2	—	—	Text Exact Reported	4 · Results and Discussion · Figure S18-S21
TCNQ-MOF-MSC charge/discharge duration ranking	requires the most charge/discharge duration	—	—	Text Qualitative	4 · Results and Discussion · Figure S18-S21

Ragone analysis

TCNQ-MOF-MSC device · Electrode

Volumetric and areal energy/power density analysis of TCNQ-MOF-MSC.

Context: MSC application
Measurement source: 5 · Results and Discussion · Figure 4d/Figure S24

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
TCNQ-MOF-MSC maximum areal energy densityMarked as a best value within this paper	EA,max = 13.8 uWh cm^-2	—	—	Text Exact Reported	5 · Results and Discussion · Figure S24
TCNQ-MOF-MSC maximum areal power densityMarked as a best value within this paper	PA,max = 10 mW cm^-2	—	—	Text Exact Reported	5 · Results and Discussion · Figure S24
energy density at 33.3 W cm^-3	20 mWh cm^-3	—	—	Text Exact Reported	5 · Results and Discussion · Figure 4d
TCNQ-MOF-MSC high volumetric power densityMarked as a best value within this paper	33.3 W cm^-3 at 20 mWh cm^-3	—	—	Text Exact Reported	5 · Results and Discussion · Figure 4d
power density at 46 mWh cm^-3	1.67 W cm^-3	—	—	Text Exact Reported	5 · Results and Discussion · Figure 4d
TCNQ-MOF-MSC maximum volumetric energy densityMarked as a best value within this paper	up to 46 mWh cm^-3 at 1.67 W cm^-3	—	—	Text Exact Reported	5 · Results and Discussion · Figure 4d

series/parallel device connection demonstration

TCNQ-MOF-MSC device · Electrode

Series connection of single TCNQ-MOF-MSCs to increase voltage and light a red LED; SI images for Figures S26-S27 were not supplied.

Context: MSC application demonstration
Measurement source: 5 · Results and Discussion · Figure S26-S27

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
red LED demonstration	light up a red LED	—	—	Text Qualitative	5 · Results and Discussion · Figure S26-S27
voltage from three serially connected TCNQ-MOF-MSCs	3.0 V	—	—	Text Exact Reported	5 · Results and Discussion · Figure S26-S27

SI Table S1 electrochemical performance comparison for in-plane MSCs

TCNQ-MOF-MSC device · Electrode

TCNQ@Cu3(BTC)2 / PVA/LiCl current-paper row; values verified from rendered SI Table S1.

Geometry: Flexible in-plane asymmetric micro-supercapacitor
Context: TCNQ@Cu3(BTC)2 cathode with activated carbon anode; table reports current work among typical in-plane MSCs.
Measurement source: S17 · Table S1 · Table S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
TCNQ@Cu3(BTC)2 Table S1 areal capacitanceMarked as a best value within this paper	95.1 mF cm^-2	—	—	SI Table Exact Reported	S17 · Table S1 · Table S1
TCNQ@Cu3(BTC)2 Table S1 volumetric energy densityMarked as a best value within this paper	46 mWh cm^-3	—	—	SI Table Exact Reported	S17 · Table S1 · Table S1
TCNQ@Cu3(BTC)2 Table S1 volumetric power densityMarked as a best value within this paper	33.3 W cm^-3	—	—	SI Table Exact Reported	S17 · Table S1 · Table S1