Electrical Transport — NH2-UiO-66 Metal-Organic Framework Nanoparticles for Hydroxide Ion Conductive Photoswitches

13 measurement groups · 35 results

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

AC impedance conductivity versus temperature; Arrhenius-like fit

Electrical conductivity Impedance spectroscopy

NH2-UiO-66-10-OH · Pellet

Hydroxide ion activation energy at 95% RH.

Atmosphere: 95% RH
Geometry: Ag-electroded pellet
Context: OH-loaded MOF pellet
Measurement source: p003 · Results · Figure 2d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
hydroxide-ion activation energy	0.59 eV	0.59 eV	—	Text Exact Reported	p003 · Results · Figure 2d

AC impedance conductivity versus temperature; Arrhenius-like fit

Electrical conductivity Impedance spectroscopy

NH2-UiO-66-50-OH · Pellet

Hydroxide ion activation energy for NH2-UiO-66-50-OH at 95% RH.

Atmosphere: 95% RH
Geometry: Ag-electroded pellet
Context: OH-loaded MOF pellet
Measurement source: p002 · Additional figures · Figure S2c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
hydroxide-ion activation energy	0.54 eV	0.54 eV	—	Figure Axis Rounded Reported	p002 · Additional figures · Figure S2c

AC impedance hydroxide ion conductivity

Electrical conductivity Impedance spectroscopy

NH2-UiO-66-0-OH · Pellet

Light on/off cycles at 55 deg C, 95% RH; visible light intensity 50 mW cm^-2.

Temperature: 328
Atmosphere: 95% RH
Geometry: Ag-electroded pellet; cross-section 100 um x 3 mm; transport distance 300 um
Context: OH-loaded MOF pellet
Measurement source: p004-p006 · Results; Methods · Figure 3a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
hydroxide conductivity, light off	~8 x 10^-7 S cm^-1	0.00008 S m^-1	—	Visual Estimate Approximate	p004 · Results · Figure 3a; Figure 4a
conductivity on/off ratio	~40	40 dimensionless	—	Visual Estimate Approximate	p004 · Results · Figure 4a

AC impedance hydroxide ion conductivity

Electrical conductivity Impedance spectroscopy

NH2-UiO-66-100-OH · Pellet

Light on/off cycles at 55 deg C, 95% RH; visible light intensity 50 mW cm^-2.

Temperature: 328
Atmosphere: 95% RH
Geometry: Ag-electroded pellet; cross-section 100 um x 3 mm; transport distance 300 um
Context: OH-loaded MOF pellet
Measurement source: p004 · Results · Figure 3d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
hydroxide conductivity, light offMarked as a best value within this paper	~8.5 x 10^-6 S cm^-1	0.00085 S m^-1	—	Visual Estimate Approximate	p004 · Results · Figure 3d; Figure 4a
hydroxide conductivity under visible light	~1 x 10^-6 S cm^-1	0.0001 S m^-1	—	Figure Axis Approximate	p004 · Results · Figure 3d
conductivity on/off ratio	~8	8 dimensionless	—	Visual Estimate Approximate	p004 · Results · Figure 4a

AC impedance hydroxide ion conductivity

Electrical conductivity Impedance spectroscopy

NH2-UiO-66-10-OH · Pellet

Light on/off cycles at 55 deg C, 95% RH; visible light intensity 50 mW cm^-2.

Temperature: 328
Atmosphere: 95% RH
Geometry: Ag-electroded pellet; cross-section 100 um x 3 mm; transport distance 300 um
Context: OH-loaded MOF pellet
Measurement source: p004-p006 · Results; Methods · Figures 3b, 5a-b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
initial hydroxide conductivity, light off	2 x 10^-6 S cm^-1	0.0002 S m^-1	—	Text Rounded Reported	p005 · Results · Figure 5a-b
hydroxide conductivity under visible light	~2 x 10^-8 S cm^-1	0.000002 S m^-1	—	Figure Axis Approximate	p005 · Results · Figure 5a
conductivity on/off ratioMarked as a best value within this paper	99.6	99.6 dimensionless	—	Text Exact Reported	p005 · Results · Figure 4b
on/off ratio after storage and cycling	~70 after 10 cycles after more than 2 months	70 dimensionless	—	Text Approximate	p005 · Results · Figure S14

AC impedance hydroxide ion conductivity

Electrical conductivity Impedance spectroscopy

NH2-UiO-66-50-OH · Pellet

Light on/off cycles at 55 deg C, 95% RH; visible light intensity 50 mW cm^-2.

Temperature: 328
Atmosphere: 95% RH
Geometry: Ag-electroded pellet; cross-section 100 um x 3 mm; transport distance 300 um
Context: OH-loaded MOF pellet
Measurement source: p004-p005 · Results · Figures 3c, 4b-c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
hydroxide conductivity, light off	~8 x 10^-6 S cm^-1	0.0008 S m^-1	—	Visual Estimate Approximate	p004 · Results · Figure 3c; Figure 4a
hydroxide conductivity under visible light	~4.5 x 10^-7 S cm^-1	0.000045 S m^-1	—	Figure Axis Approximate	p004 · Results · Figure 3c
conductivity on/off ratio	19.2	19.2 dimensionless	—	Text Exact Reported	p005 · Results · Figure 4b

AC impedance Nyquist plots under light-on/light-off cycling

Impedance spectroscopy

NH2-UiO-66-10-OH · Pellet

Nyquist plots corresponding to Figure 3 for NH2-UiO-66-0-OH, -10-OH, -50-OH, and -100-OH at 55 deg C and 95% RH.

Temperature: 328
Atmosphere: 95% RH
Geometry: Ag-electroded pellet
Context: OH-loaded MOF pellets
Measurement source: p004 · Additional figures · Figure S4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Nyquist response during light switching	Nyquist arcs increase strongly under light on and recover under light off for the OH-loaded modulator series	—	—	Qualitative Qualitative	p004 · Additional figures · Figure S4

AC impedance hydroxide conductivity under light-on/light-off cycling at varied relative humidity

Electrical conductivity Impedance spectroscopy

NH2-UiO-66-10-OH · Pellet

NH2-UiO-66-10-OH at 55 deg C under 95, 85, 75, 65, and 55% RH.

Temperature: 328
Atmosphere: 55-95% RH
Geometry: Ag-electroded pellet
Context: OH-loaded MOF pellet
Measurement source: p007-p008 · Additional figures · Figures S10-S11

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
RH-series on/off ratio at 55% RH	~3	3 dimensionless	—	Figure Axis Approximate	p007 · Additional figures · Figure S10e
RH-series on/off ratio at 65% RH	~2	2 dimensionless	—	Figure Axis Approximate	p007 · Additional figures · Figure S10d
RH-series on/off ratio at 75% RH	~2	2 dimensionless	—	Figure Axis Approximate	p007 · Additional figures · Figure S10c
RH-series on/off ratio at 85% RH	~2	2 dimensionless	—	Figure Axis Approximate	p007 · Additional figures · Figure S10b

AC impedance hydroxide conductivity under light-on/light-off cycling at varied relative humidity

Electrical conductivity Impedance spectroscopy

NH2-UiO-66-50-OH · Pellet

NH2-UiO-66-50-OH at 55 deg C under 95, 85, 75, 65, and 55% RH.

Temperature: 328
Atmosphere: 55-95% RH
Geometry: Ag-electroded pellet
Context: OH-loaded MOF pellet
Measurement source: p008-p009 · Additional figures · Figures S12-S13

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
RH-series on/off ratio at 55% RH	~1.2	1.2 dimensionless	—	Figure Axis Approximate	p008 · Additional figures · Figure S12e
RH-series on/off ratio at 65% RH	~1.8	1.8 dimensionless	—	Figure Axis Approximate	p008 · Additional figures · Figure S12d
RH-series on/off ratio at 75% RH	~3	3 dimensionless	—	Figure Axis Approximate	p008 · Additional figures · Figure S12c
RH-series on/off ratio at 85% RH	~2.5	2.5 dimensionless	—	Figure Axis Approximate	p008 · Additional figures · Figure S12b

AC impedance hydroxide conductivity cycling after storage

Electrical conductivity Impedance spectroscopy

NH2-UiO-66-10-OH · Pellet

NH2-UiO-66-10-OH after being placed for two months; 55 deg C, 95% RH light-on/light-off cycles.

Temperature: 328
Atmosphere: 95% RH
Geometry: Ag-electroded pellet
Context: OH-loaded MOF pellet after storage
Measurement source: p009 · Additional figures · Figure S14

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
light-off conductivity after two-month storage cycling	~1 x 10^-6 S cm^-1 peaks during repeated cycles	0.0001 S m^-1	—	Figure Axis Approximate	p009 · Additional figures · Figure S14
light-on conductivity after two-month storage cycling	~1.5 x 10^-8 S cm^-1 troughs during repeated cycles	0.0000015 S m^-1	—	Figure Axis Approximate	p009 · Additional figures · Figure S14

AC impedance hydroxide conductivity under light-on/light-off cycling at varied temperature

Electrical conductivity Impedance spectroscopy

NH2-UiO-66-10-OH · Pellet

NH2-UiO-66-10-OH at 45, 55, 65, 75, and 85 deg C under 95% RH.

Temperature: 318-358
Atmosphere: 95% RH
Geometry: Ag-electroded pellet
Context: OH-loaded MOF pellet
Measurement source: p005-p006 · Additional figures · Figures S6-S7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
temperature-series on/off ratio at 45 deg C	~2	2 dimensionless	—	Figure Axis Approximate	p004-p005 · Results · Figure 4b; Figure S6a
temperature-series on/off ratio at 65 deg C	~80	80 dimensionless	—	Figure Axis Approximate	p004-p005 · Results · Figure 4b; Figure S6c
temperature-series on/off ratio at 75 deg C	~55	55 dimensionless	—	Figure Axis Approximate	p005 · Additional figures · Figure S6d
temperature-series on/off ratio at 85 deg C	~2.5	2.5 dimensionless	—	Figure Axis Approximate	p005 · Additional figures · Figure S6e

AC impedance hydroxide conductivity under light-on/light-off cycling at varied temperature

Electrical conductivity Impedance spectroscopy

NH2-UiO-66-50-OH · Pellet

NH2-UiO-66-50-OH at 45, 55, 65, 75, and 85 deg C under 95% RH.

Temperature: 318-358
Atmosphere: 95% RH
Geometry: Ag-electroded pellet
Context: OH-loaded MOF pellet
Measurement source: p006-p007 · Additional figures · Figures S8-S9

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
temperature-series on/off ratio at 45 deg C	~1.4	1.4 dimensionless	—	Figure Axis Approximate	p006 · Additional figures · Figure S8a
temperature-series on/off ratio at 65 deg C	~13	13 dimensionless	—	Figure Axis Approximate	p006 · Additional figures · Figure S8c
temperature-series on/off ratio at 75 deg C	~5	5 dimensionless	—	Figure Axis Approximate	p006 · Additional figures · Figure S8d
temperature-series on/off ratio at 85 deg C	~4	4 dimensionless	—	Figure Axis Approximate	p006 · Additional figures · Figure S8e

AC impedance photoswitching under varied temperature and relative humidity

Impedance spectroscopy

NH2-UiO-66-10-OH · Pellet

On/off ratio dependent on temperature under 95% RH and on RH at 55 deg C.

Atmosphere: varied RH; 95% RH for temperature series
Geometry: Ag-electroded pellet
Context: OH-loaded MOF pellet
Measurement source: p004-p005 · Results · Figure 4b-c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
optimal photoswitch temperatureMarked as a best value within this paper	55 deg C	328.15 K	—	Text Exact Reported	p005 · Results · Figure 4b
humidity reduction causing conductivity decline	95% RH to 85% RH	—	—	Text Qualitative	p005 · Results · Figure 4c