Sensing Application

Chemiresistive gas sensing with S100 Source Meter

Cu-HHTP[001] chemiresistor device · Electrode

Device in sealed chamber; dry air carrier/cleaning gas; fritillaria powders evaporated for 1 h in 100 mL bottle; exposed to vapours for 5 min, then dry air replaced vapours; room temperature.

Temperature: room temperature
Atmosphere: dry air carrier gas; fritillaria powder volatile atmosphere
Geometry: Cu-HHTP[001] film on alumina substrate with silver wire contacts
Context: device based on pristine Cu-HHTP[001] active layer
Measurement source: p003-p005 · Results and Discussion; Chemiresistive gas sensing measurements · Figure 3a-e; Figure 4a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Batch-to-batch CV for Cu-HHTP[001] response to FCBMarked as a best value within this paper	2.79%	—	—	Text Exact Reported	p004 · Results and Discussion · Figure 3c; Figures S9-S10
Growth-cycle optimisation selected 20C filmsMarked as a best value within this paper	Cu3(HHTP)2-20C thin films show best response to 0.5 g FCB powder volatiles	—	—	Text Qualitative	p003 · Results and Discussion · Figure S8
Total alcohols, ketones and epoxides among top ten volatiles for BP	1.22%	—	—	SI Table Exact Reported	p012-p013 / SI Table S5 · Supporting Information · Table S5
Total alcohols, ketones and epoxides among top ten volatiles for FCBMarked as a best value within this paper	31.44%	—	—	SI Table Exact Reported	p012-p013 / SI Table S5 · Supporting Information · Table S5
Total alcohols, ketones and epoxides among top ten volatiles for FTB	8.71%	—	—	SI Table Exact Reported	p012-p013 / SI Table S5 · Supporting Information · Table S5
Total alcohols, ketones and epoxides among top ten volatiles for FUB	9.87%	—	—	SI Table Exact Reported	p012-p013 / SI Table S5 · Supporting Information · Table S5
Humidity interference for Cu-HHTP[001] sensor	response value greatly decreases when humidity is present	—	—	Text Qualitative	p004 · Results and Discussion · Figure S15
LDA classification accuracy for Cu-HHTP[001] sensorMarked as a best value within this paper	97.2%	—	negligible standard deviation	Text Exact Reported	p004 · Results and Discussion · Figure 4a
Theoretical LOD for Cu-HHTP[001] detecting BP	0.8392 g	—	—	Calculated From Reported Exact Reported	p004 · Results and Discussion · Figure 3e
Theoretical LOD for Cu-HHTP[001] detecting FCBMarked as a best value within this paper	0.0032 g	—	—	Calculated From Reported Exact Reported	p004 · Results and Discussion · Figure 3e
Theoretical LOD for Cu-HHTP[001] detecting FTB	0.9173 g	—	—	Calculated From Reported Exact Reported	p004 · Results and Discussion · Figure 3e
Theoretical LOD for Cu-HHTP[001] detecting FUB	0.1088 g	—	—	Calculated From Reported Exact Reported	p004 · Results and Discussion · Figure 3e
Cu-HHTP[001] response-mass log-log linearity	R2 = 0.99	—	—	Text Rounded Reported	p004 · Results and Discussion · Figure 3e
Cu-HHTP[001] recovery time after 0.5 g FCBMarked as a best value within this paper	20.6 min	—	—	Text Exact Reported	p004 · Results and Discussion · Figure 3b
Cu-HHTP[001] repeatability CV for six successive FCB measurements	5.01%	—	—	Text Exact Reported	p004 · Results and Discussion · Figure S14
Cu-HHTP[001] response to 0.5 g BP powder volatiles	89.22%	—	—	Text Exact Reported	p003 · Results and Discussion · Figure 3a
Cu-HHTP[001] response to 0.5 g FCB powder volatilesMarked as a best value within this paper	344.97%	—	—	Text Exact Reported	p003 · Results and Discussion · Figure 3a
Cu-HHTP[001] response to 0.5 g FTB powder volatiles	125.96%	—	—	Text Exact Reported	p003 · Results and Discussion · Figure 3a
Cu-HHTP[001] response to 0.5 g FUB powder volatiles	172.02%	—	—	Text Exact Reported	p003 · Results and Discussion · Figure 3a
Cu-HHTP[001] response time to 0.5 g FCBMarked as a best value within this paper	0.47 min	—	—	Text Exact Reported	p004 · Results and Discussion · Figure 3b
Cu-HHTP[001] retained FCB response after 18 days	92.29% of the original value after 18 d	—	—	Text Exact Reported	p004 · Results and Discussion · Figure S12

Chemiresistive gas sensing with S100 Source Meter

Cu-HHTP[100] chemiresistor device · Electrode

Device in sealed chamber; dry air carrier/cleaning gas; fritillaria powders evaporated for 1 h in 100 mL bottle; exposed to vapours for 5 min, then dry air replaced vapours; room temperature.

Temperature: room temperature
Atmosphere: dry air carrier gas; fritillaria powder volatile atmosphere
Geometry: Cu-HHTP[100] film on alumina substrate with silver wire contacts
Context: device based on pristine Cu-HHTP[100] active layer
Measurement source: p003-p005 · Results and Discussion; Chemiresistive gas sensing measurements · Figure 3a-c; Figure S11

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu-HHTP[100] dry-air baseline current relative to Cu-HHTP[001]	reduced by nearly an order of magnitude	—	—	Text Qualitative	p003 · Results and Discussion · Figure 3a
Batch-to-batch CV for Cu-HHTP[100] response to FCB	5.73%	—	—	Text Exact Reported	p004 · Results and Discussion · Figure 3c; Figures S9-S10
LDA classification accuracy for Cu-HHTP[100] sensor	77.8%	—	—	Text Exact Reported	p004 · Results and Discussion · Figure S11
Cu-HHTP[100] recovery time after 0.5 g FCB	30.17 min	—	—	Text Exact Reported	p004 · Results and Discussion · Figure 3b
Cu-HHTP[100] response to 0.5 g BP powder volatiles	59.86%	—	—	Text Exact Reported	p003 · Results and Discussion · Figure 3a
Cu-HHTP[100] response to 0.5 g FCB powder volatiles	135.50%	—	—	Text Exact Reported	p003 · Results and Discussion · Figure 3a
Cu-HHTP[100] response to 0.5 g FTB powder volatiles	79.08%	—	—	Text Exact Reported	p003 · Results and Discussion · Figure 3a
Cu-HHTP[100] response to 0.5 g FUB powder volatiles	95.22%	—	—	Text Exact Reported	p003 · Results and Discussion · Figure 3a
Cu-HHTP[100] response time to 0.5 g FCB	2.08 min	—	—	Text Exact Reported	p004 · Results and Discussion · Figure 3b

2 measurement groups · 30 results