Spectroscopy — Modulating the redox states in a 3D conductive MOF for sweat ascorbic acid monitoring

6 measurement groups · 24 results

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

I2@FeTHQ/ITO working electrode · Electrode

AA sensing under -0.1 to -0.5 V and time at -0.2 V

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
DRIFTS C=C band during AA oxidation	1590 cm-1	—	—	Text Rounded Reported	5 · Results · Figure 3a-b
DRIFTS C=O band during AA oxidation	1420 cm-1	—	—	Text Rounded Reported	5 · Results · Figure 3a-b
DRIFTS C-O band during AA oxidation	1250 cm-1	—	—	Text Rounded Reported	5 · Results · Figure 3a
DRIFTS OH stretch during AA adsorption	3220 cm-1	—	—	Text Rounded Reported	5 · Results · Figure 3b

I2@FeTHQ, 20 C 6 h · Powder

Persistent free radicals in FeTHQ and I2@FeTHQ

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
I2@FeTHQ EPR g value	g = 2.114	—	—	Text Exact Reported	5 · Results · Figure 3c

I2@FeTHQ/ITO working electrode · Electrode

Reaction mixture extracted from AA sensing system

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
AA HPLC retention time	0.724 min	—	—	Caption Exact Reported	S25 · Figure S32-S33
DHAA HPLC retention time	0.823 min	—	—	Caption Exact Reported	6 · Results · Figure 3d
DHAA mass peak	m/z = 173	—	—	Text Exact Reported	5 · Results · Figure 3d
AA hydroxyl proton signal absent after sensing	11.03 ppm signal absent	—	—	Text Rounded Reported	5 · Results · Figure S34-S35
AA hydroxyl proton signal absent after sensing	8.31 ppm signal absent	—	—	Text Rounded Reported	5 · Results · Figure S34-S35

I2@FeTHQ, 20 C 6 h · Powder

633 nm Raman, FeTHQ vs I2@FeTHQ

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Raman tri-iodide peak	128 cm-1	—	—	Text Rounded Reported	2 · Results · Figure 1f
Raman penta-iodide peak	173 cm-1	—	—	Text Rounded Reported	2 · Results · Figure 1f

I2@FeTHQ, 20 C 6 h · Powder

Diffuse reflectance spectra using BaSO4 reference

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
I2@FeTHQ UV-vis DRS peak	approximately 290 nm	—	—	Text Approximate	3 · Results · Figure S19
I2@FeTHQ UV-vis DRS peak	approximately 350 nm	—	—	Text Approximate	3 · Results · Figure S19

I2@FeTHQ, 20 C 6 h · Powder

Fe 2p and I 3d XPS with C 1s calibration

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
FeTHQ Fe2+ XPS peak 1	709.4 eV	—	—	Text Rounded Reported	2 · Results · Figure 1h
FeTHQ Fe2+ XPS peak 2	723.3 eV	—	—	Text Rounded Reported	2 · Results · Figure 1h
I2@FeTHQ Fe2+ XPS peak 1	710.28 eV	—	—	Text Exact Reported	2 · Results · Figure 1h
I2@FeTHQ Fe2+ XPS peak 2	723.73 eV	—	—	Text Exact Reported	2 · Results · Figure 1h
FeTHQ Fe3+ XPS peak 1	711.8 eV	—	—	Text Rounded Reported	2 · Results · Figure 1h
FeTHQ Fe3+ XPS peak 2	725.58 eV	—	—	Text Exact Reported	2 · Results · Figure 1h
I2@FeTHQ Fe3+ XPS peak 1	712.06 eV	—	—	Text Exact Reported	2 · Results · Figure 1h
I2@FeTHQ Fe3+ XPS peak 2	726.33 eV	—	—	Text Exact Reported	2 · Results · Figure 1h
I 3d3/2 I3- peak	629.9 eV	—	—	Text Rounded Reported	2 · Results · Figure 1i
I 3d3/2 I5- peak	619.7 eV	—	—	Text Rounded Reported	2 · Results · Figure 1i