Sensing Application

Current response to different iodine/air concentrations.

Compound 1 iodine-sensing pellet device · Pellet

Current transients recorded for I2 vapour concentrations labelled 0.12, 0.10, 0.05 and 0.01 mg/mL at 50 C; inset linear fit of current to concentration.

Temperature: 323
Atmosphere: I2/air mixed gas at multiple concentrations
Geometry: compound 1 pellet sensing circuit
Context: Pristine 1 pellet used as iodine sensor.
Measurement source: p003 / article p.8411 · Main text and caption · Figure 3c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Highest Figure 3c iodine concentration label	0.12 mg/mL	—	—	Figure Axis Rounded Reported	p003 / article p.8411 · Figure axis/labels · Figure 3c
Lowest Figure 3c iodine concentration label	0.01 mg/mL	—	—	Figure Axis Rounded Reported	p003 / article p.8411 · Figure axis/labels · Figure 3c
Linear response intercept in Figure 3c inset	y = 3.99x + 0.01	—	—	Figure Axis Rounded Reported	p003 / article p.8411 · Figure inset · Figure 3c inset
Linear response R2 in Figure 3c inset	R2 = 0.99	—	—	Figure Axis Rounded Reported	p003 / article p.8411 · Figure inset · Figure 3c inset
Linear response slope in Figure 3c insetMarked as a best value within this paper	y = 3.99x + 0.01	—	—	Figure Axis Rounded Reported	p003 / article p.8411 · Figure inset · Figure 3c inset

Chemiresistive iodine-vapour sensing with pellet, Keithley 2400/source meter, LED lamp and current-time monitoring.

Compound 1 iodine-sensing pellet device · Pellet

Pellet device exposed to iodine/air mixtures at 50 C; voltage 10 V; current scanned over time.

Temperature: 323
Atmosphere: I2/air mixtures; about 0.1 mg mL-1 for Figure 3b
Geometry: pressed pellet connected with silver-coated copper wires and conductive silver paste; LED signal lamp in circuit
Context: Pristine 1 pellet responds by iodine uptake in situ.
Measurement source: p004 / SI p.3 · Iodine sensing measurements · Figure 3a-c; Figure S9

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Current after 10 min iodine sensingMarked as a best value within this paper	5.82 uA within 10 min	—	—	Text Exact Reported	p003 / article p.8411 · Main text · Figure 3b
Initial current during iodine sensing	0.12 uA	—	—	Text Exact Reported	p003 / article p.8411 · Main text · Figure 3b
Reversible current response cycle count	more than 6 cycles	—	—	Text Approximate	p003 / article p.8411 · Main text · Figure S9
Time for LED lamp to start glowing	about two minutes	—	—	Text Approximate	p003 / article p.8411 · Main text · Figure 3b
Figure S9 repeated switching iodine concentration	0.1 mg/mL I2/air mixed gas	—	—	Caption Exact Reported	p021 / SI p.20 · Figure caption · Figure S9
I2 vapour concentration for Figure 3b sensing	about 0.1 mg mL-1	—	—	Text Approximate	p003 / article p.8411 · Main text · Figure 3b
Applied voltage for iodine-sensing current-time test	10 V	—	—	Text Exact Reported	p003 / article p.8411 · Main text · Figure 3b

2 measurement groups · 12 results