Spectroscopy — A Humidity-Induced Large Electronic Conductivity Change of 107 on a Metal-Organic Framework for Highly Sensitive Water Detection

3 measurement groups · 14 results

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

H2SO4@(NH2)2-MIL-125 powder · Powder

Chemical composition and H2SO4 loading of H2SO4@(NH2)2-MIL-125

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
C elemental content	C 30 wt%	—	—	SI Table Rounded Reported	7 · S2.3 Element analysis · Table S1
N elemental content	N 7.1 wt%	—	—	SI Table Rounded Reported	7 · S2.3 Element analysis · Table S1
S elemental content	S 7.04 wt%	—	—	SI Table Exact Reported	7 · S2.3 Element analysis · Table S1
hydrogen-bonded sulfate FT-IR band	1063 cm-1	—	—	Text Rounded Reported	2 · Results · Figure 1a
H2SO4 content by dry method	22.5 wt%	—	—	Text Rounded Reported	3 · S1.3 Dry methods
H2SO4 content from ICP-AES/EA	21.6 wt %	—	—	Text Rounded Reported	2 · Results · Table S1 referenced
H2SO4 per NH2 group	each -NH2 group bonded with 0.44 H2SO4	—	—	Text Rounded Reported	2 · Results
N/S atom ratio	N/S atom ratio was 2.3	—	—	Text Rounded Reported	2 · Results

H2SO4@(NH2)2-MIL-125 powder · Powder

Absorption spectrum of H2SO4@(NH2)2-MIL-125 compared with (NH2)2-MIL-125

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
UV-vis extra absorption upper bound	720 nm	—	—	Text Rounded Reported	2 · Results · Figure 1c
UV-vis extra absorption lower bound	520 nm	—	—	Text Rounded Reported	2 · Results · Figure 1c

H2SO4@(NH2)2-MIL-125 powder · Powder

XPS survey and high-resolution S 2p, Ti 2p, C 1s, O 1s and N 1s spectra

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
S 2p chemisorbed sulfate component	169.7 eV	—	—	Text Exact Reported	8 · S2.4 XPS analysis · Figure S3c
S 2p chemisorbed sulfate component	168.5 eV	—	—	Text Exact Reported	8 · S2.4 XPS analysis · Figure S3c
Ti 2p Ti4+ component	464.4 eV	—	—	Text Exact Reported	8 · S2.4 XPS analysis · Figure S3d
Ti 2p Ti4+ component	458.7 eV	—	—	Text Exact Reported	8 · S2.4 XPS analysis · Figure S3d