Electrical Transport — Sub-Femtomolar, Label-Free Small-Molecule Sensing with Nanoarchitectonic Metal-Organic Frameworks

4 measurement groups · 30 results

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

EG-FET output/transfer characterisation using commercial p-channel MOSFET

Field-effect transistor measurements

CuHITP/Cu(OH)2 extended-gate electrode · Electrode

CuHITP-based extended-gate electrode integrated with commercial p-channel MOSFET; output at VGS = -1 V, transfer at VDS = -0.4 V; 60 min drift study at 1 min intervals.

Atmosphere: PBS/electrolyte interface; ambient laboratory conditions not specified
Geometry: extended-gate electrode connected to p-channel MOSFET gate; Ag/AgCl reference electrode
Context: Unaptamerised CuHITP/Cu(OH)2 EG electrode
Measurement source: 5 · Figure 3 caption · Figure 3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
continuous-operation drift	about 8 mV h-1	—	about	Text Approximate	4 · 2.2 Electrical Characterization and pH Sensing · Figure 3e
drift from Figure 3e label	Drift = 8.1 mV/h	—	—	Figure Axis Exact Reported	5 · Figure 3 · Figure 3e
EG-FET on/off current ratioMarked as a best value within this paper	10^9	—	—	Text Rounded Reported	4 · 2.2 Electrical Characterization and pH Sensing · Figure S9 cited
normalised maximum transconductance with EG	about 65% of without-EG baseline	0.65 fraction of without-EG baseline	visual estimate	Visual Estimate Approximate	5 · Figure 3 · Figure 3d
normalised subthreshold swing with EG	about 100% of without-EG baseline	—	—	Visual Estimate Approximate	5 · Figure 3d
normalised threshold voltage with EG	about 100% versus about 80% without EG	—	—	Visual Estimate Approximate	5 · Figure 3d
normalised VGS at Gm,max with EG	about 90% of without-EG baseline	—	—	Visual Estimate Approximate	5 · Figure 3d

EG-FET transfer characteristics after MBS and aptamer functionalisation

Field-effect transistor measurements

cortisol-aptamer-functionalised CuHITP EG-FET sensor · Electrode

Transfer curves collected in PBS electrolyte after MBS and MBS-aptamer functionalisation steps.

Atmosphere: PBS electrolyte
Geometry: CuHITP-based EG-FET
Context: Functionalised CuHITP/Cu(OH)2 electrode
Measurement source: 7 · 2.3.1 Formation of Functional Groups · Figure 5f,g

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
effect of aptamer attachment on transfer curve	pronounced rightward shift	—	—	Text Qualitative	7 · 2.3.1 Formation of Functional Groups · Figure 5g
effect of MBS on transfer curve	no significant change	—	—	Text Qualitative	7 · 2.3.1 Formation of Functional Groups · Figure 5f

EG-FET performance comparison versus solid-phase conversion time

Field-effect transistor measurements

CuHITP/Cu(OH)2 extended-gate electrode · Electrode

SI Figure S12 compares CuHITP/Cu(OH)2/Cu samples after 1, 3, 5, and 15 min conversion; bar chart normalises Gm,max, Vth, SS1, and VGS at Gm,max.

Geometry: CuHITP/Cu(OH)2/Cu samples incorporated into EG-FET configuration
Context: conversion-time-dependent conductive-MOF heterostructure
Measurement source: 12 · Supporting Information · Figure S12

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
15 min conversion normalised Gm,max	about 100%	—	—	Visual Estimate Approximate	12 · Supporting Information · Figure S12e
15 min conversion normalised SS1	about 100%	—	—	Visual Estimate Approximate	12 · Supporting Information · Figure S12e
15 min conversion normalised VGS at Gm,max	about 100%	—	—	Visual Estimate Approximate	12 · Supporting Information · Figure S12e
15 min conversion normalised Vth	about 100%	—	—	Visual Estimate Approximate	12 · Supporting Information · Figure S12e
1 min conversion normalised Gm,max	about 94%	—	—	Visual Estimate Approximate	12 · Supporting Information · Figure S12e
1 min conversion normalised SS1	about 100%	—	—	Visual Estimate Approximate	12 · Supporting Information · Figure S12e
1 min conversion normalised VGS at Gm,max	about 98%	—	—	Visual Estimate Approximate	12 · Supporting Information · Figure S12e
1 min conversion normalised Vth	about 96%	—	—	Visual Estimate Approximate	12 · Supporting Information · Figure S12e
3 min conversion normalised Gm,max	about 94%	—	—	Visual Estimate Approximate	12 · Supporting Information · Figure S12e
3 min conversion normalised SS1	about 99%	—	—	Visual Estimate Approximate	12 · Supporting Information · Figure S12e
3 min conversion normalised VGS at Gm,max	about 102%	—	—	Visual Estimate Approximate	12 · Supporting Information · Figure S12e
3 min conversion normalised Vth	about 105%	—	—	Visual Estimate Approximate	12 · Supporting Information · Figure S12e
5 min conversion normalised Gm,max	about 100%	—	—	Visual Estimate Approximate	12 · Supporting Information · Figure S12e
5 min conversion normalised SS1	about 100%	—	—	Visual Estimate Approximate	12 · Supporting Information · Figure S12e
5 min conversion normalised VGS at Gm,max	about 98%	—	—	Visual Estimate Approximate	12 · Supporting Information · Figure S12e
5 min conversion normalised Vth	about 99%	—	—	Visual Estimate Approximate	12 · Supporting Information · Figure S12e

two-point probe measurement

Electrical conductivity

isolated CuHITP film fragment converted on Cu foil · Thin Film

Isolated CuHITP film fragment delaminated from Cu foil after similar templated synthesis.

Atmosphere: not reported
Geometry: delaminated film fragment
Context: Converted CuHITP film fragment; exact residual Cu(OH)2 status not specified for foil sample
Measurement source: Figure captions · Figure S8

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CuHITP conductivity reported in discussion	0.2 S cm-1	20 S m-1	—	Text Rounded Reported	9 · 3. Conclusion/discussion before conclusion
SI two-point probe conductivity outcome	linear two-point I-V trace confirms conductive film fragment; geometry unavailable for conductivity calculation	—	blocked by missing SI figure	Qualitative Qualitative	7 · Supporting Information · Figure S8
visual two-point conductance estimate	slope about 5.5e-5 A V-1	—	—	Visual Estimate Approximate	7 · Supporting Information · Figure S8
two-point current at +2 V	about +1.1e-4 A at +2 V	—	—	Visual Estimate Approximate	7 · Supporting Information · Figure S8
two-point current at -2 V	about -1.1e-4 A at -2 V	—	—	Visual Estimate Approximate	7 · Supporting Information · Figure S8