Spectroscopy — Ultrafast in Situ Synthesis of Large-Area Conductive Metal-Organic Frameworks on Substrates for Flexible Chemiresistive Sensing

5 measurement groups · 53 results

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

In situ FTIR during NH3 sensing

Infrared spectroscopy

Cu-BHT-2 min chemiresistor sensor on Si/SiO2/Au interdigitated electrodes · Electrode

20 ppm NH3 introduced at 5 mL/min after N2 purge; spectra every 30 s

Atmosphere: N2/NH3
Geometry: Cu-BHT-2min film in testing cabin
Context: pristine Cu-BHT active film
Measurement source: p007-p008; article pages 57241-57242 · 3.5 Sensing Mechanism · Figure 5b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
FTIR band assigned to NH3-Cu2c	1214 cm-1; NH3 coordinated to Lewis acid sites	—	—	Text Exact Reported	p008; article page 57242 · 3.5 Sensing Mechanism · Figure 5b
FTIR band assigned to NH3-Cu2c	1370 cm-1; coordinatively adsorbed NH3 on Lewis acid sites	—	—	Text Exact Reported	p008; article page 57242 · 3.5 Sensing Mechanism · Figure 5b
FTIR band assigned to gas-phase NH3	1737 cm-1; free gas-phase NH3	—	—	Text Exact Reported	p008; article page 57242 · 3.5 Sensing Mechanism · Figure 5b
FTIR band assigned to NH4+	3021 cm-1; small amount of NH4+	—	—	Text Exact Reported	p008; article page 57242 · 3.5 Sensing Mechanism · Figure 5b

UPS before/after NH3 sensing

Ultraviolet photoelectron spectroscopy

Cu-BHT-2 min chemiresistor sensor on Si/SiO2/Au interdigitated electrodes · Electrode

Cu-BHT-2min film before and after NH3 exposure

Atmosphere: ambient
Geometry: thin-film sensor
Context: pristine Cu-BHT active film
Measurement source: p008; article page 57242 · 3.5 Sensing Mechanism · Figure 5c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Fermi level increase after NH3 sensing	0.54 eV	—	—	Text Exact Reported	p008; article page 57242 · 3.5 Sensing Mechanism · Figure 5c
HOMO energy increase after NH3 sensing	0.72 eV	—	—	Text Exact Reported	p008; article page 57242 · 3.5 Sensing Mechanism · Figure 5c

XPS Cu 2p deconvolution

X-ray photoelectron spectroscopy

Cu-BHT film reaction-time series · Thin Film

Cu4c and Cu2c surface percentages versus reaction time

Atmosphere: ambient
Geometry: thin films
Context: pristine Cu-BHT films
Measurement source: p014 · Table S3 · Table S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu2c percentage Cu-BHT-10min	40.12%	—	—	SI Table Exact Reported	p014 · Table S3 · Table S3
Cu2c percentage Cu-BHT-12min	36.47%	—	—	SI Table Exact Reported	p014 · Table S3 · Table S3
Cu2c percentage Cu-BHT-14min	32.23%	—	—	SI Table Exact Reported	p014 · Table S3 · Table S3
Cu2c percentage Cu-BHT-2min	52.49%	—	—	SI Table Exact Reported	p014 · Table S3 · Table S3
Cu2c percentage Cu-BHT-4min	50.23%	—	—	SI Table Exact Reported	p014 · Table S3 · Table S3
Cu2c percentage Cu-BHT-5sMarked as a best value within this paper	56.38%	—	—	SI Table Exact Reported	p014 · Table S3 · Table S3
Cu2c percentage Cu-BHT-6min	48.32%	—	—	SI Table Exact Reported	p014 · Table S3 · Table S3
Cu2c percentage Cu-BHT-8min	45.07%	—	—	SI Table Exact Reported	p014 · Table S3 · Table S3
Cu4c percentage Cu-BHT-10min	59.88%	—	—	SI Table Exact Reported	p014 · Table S3 · Table S3
Cu4c percentage Cu-BHT-12min	63.53%	—	—	SI Table Exact Reported	p014 · Table S3 · Table S3
Cu4c percentage Cu-BHT-14min	67.77%	—	—	SI Table Exact Reported	p014 · Table S3 · Table S3
Cu4c percentage Cu-BHT-2min	47.51%	—	—	SI Table Exact Reported	p014 · Table S3 · Table S3
Cu4c percentage Cu-BHT-4min	49.77%	—	—	SI Table Exact Reported	p014 · Table S3 · Table S3
Cu4c percentage Cu-BHT-5s	43.62%	—	—	SI Table Exact Reported	p014 · Table S3 · Table S3
Cu4c percentage Cu-BHT-6min	51.68%	—	—	SI Table Exact Reported	p014 · Table S3 · Table S3
Cu4c percentage Cu-BHT-8min	54.93%	—	—	SI Table Exact Reported	p014 · Table S3 · Table S3

XPS before/after NH3 sensing

X-ray photoelectron spectroscopy

Cu-BHT-2 min chemiresistor sensor on Si/SiO2/Au interdigitated electrodes · Electrode

Survey and N 1s spectra; elemental percentages before and after NH3 sensing

Atmosphere: ambient
Geometry: Cu-BHT-2min film
Context: pristine Cu-BHT active film
Measurement source: p014 · Figure S13 and Table S4 · Table S4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu after NH3 sensing	9.44%	—	—	SI Table Exact Reported	p014 · Table S4 · Table S4
N after NH3 sensing	11.43%	—	—	SI Table Exact Reported	p014 · Table S4 · Table S4
S after NH3 sensing	20.28%	—	—	SI Table Exact Reported	p014 · Table S4 · Table S4
Cu before NH3 sensing	12.75%	—	—	SI Table Exact Reported	p014 · Table S4 · Table S4
N before NH3 sensing	1.99%	—	—	SI Table Exact Reported	p014 · Table S4 · Table S4
S before NH3 sensing	26.02%	—	—	SI Table Exact Reported	p014 · Table S4 · Table S4
N content increase after NH3 sensing	nearly a factor of 6	—	—	Text Approximate	p008; article page 57242 · 3.5 Sensing Mechanism · Figure S13/Table S4

XPS elemental composition

X-ray photoelectron spectroscopy Bulk elemental and compositional analysis

Cu-BHT film reaction-time series · Thin Film

Surface S, Cu and S/Cu ratios versus reaction time

Atmosphere: ambient
Geometry: thin films
Context: pristine Cu-BHT films
Measurement source: p011 · Table S2 · Table S2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu percentage Cu-BHT-10min	10.45%	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
Cu percentage Cu-BHT-12min	11.28%	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
Cu percentage Cu-BHT-14min	12.75%	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
Cu percentage Cu-BHT-2min	9.89%	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
Cu percentage Cu-BHT-4min	10.4%	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
Cu percentage Cu-BHT-5s	6.66%	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
Cu percentage Cu-BHT-6min	10.67%	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
Cu percentage Cu-BHT-8min	10.71%	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
S percentage Cu-BHT-10min	26.03%	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
S percentage Cu-BHT-12min	26.14%	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
S percentage Cu-BHT-14min	26.92%	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
S percentage Cu-BHT-2min	26.07%	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
S percentage Cu-BHT-4min	26.55%	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
S percentage Cu-BHT-5s	25.4%	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
S percentage Cu-BHT-6min	26.43%	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
S percentage Cu-BHT-8min	26.49%	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
S/Cu ratio Cu-BHT-10min	2.49	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
S/Cu ratio Cu-BHT-12min	2.31	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
S/Cu ratio Cu-BHT-14min	2.11	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
S/Cu ratio Cu-BHT-2min	2.63	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
S/Cu ratio Cu-BHT-4min	2.55	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
S/Cu ratio Cu-BHT-5s	3.81	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
S/Cu ratio Cu-BHT-6min	2.48	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2
S/Cu ratio Cu-BHT-8min	2.47	—	—	SI Table Exact Reported	p011 · Table S2 · Table S2