Spectroscopy — 2D conjugated metal-organic framework as a proton-electron dual conductor

Measurement evidence

Spectroscopy

2D conjugated metal-organic framework as a proton-electron dual conductor · Choi J.Y., Stodolka M., Kim N. et al. · Chem · 2023 · 143-153

2 measurement groups · 13 results

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

UV-vis-NIR, FTIR, TGA and XPS

As-synthesised Zn-HHTP-H2O powder · Powder

Electronic absorption and Tauc plot; FTIR/TGA for coordinated water; XPS for Zn oxidation state, Na content and C 1s species.

Atmosphere
TGA under nitrogen to 500 deg C at 10 deg C min-1
Context
Pristine framework.
Measurement source
main p.4-p.5 / article p.145-p.146 · Results and discussion - Synthesis and characterizations of Zn-HHTP-H2O · Figure 2; Figures S6 and S8; Tables S2-S3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Distinctive absorption band940 nmText
Rounded Reported
main p.4 / article p.145 · Results and discussion - Synthesis and characterizations of Zn-HHTP-H2O · Figure 2A
Optical band gap1.07 eVText
Exact Reported
main p.4 / article p.145 · Results and discussion - Synthesis and characterizations of Zn-HHTP-H2O · Figure 2A
XPS C=O area ratio to C-OC=O:C-O = 1:1SI Table
Exact Reported
SI p.9 · XPS analysis · Table S3
FTIR O-H stretchapproximately 3100 cm-1Text
Approximate
main p.3 / article p.144 · Results and discussion - Synthesis and characterizations of Zn-HHTP-H2O · Figure S6A
TGA coordinated-water loss upper temperatureweight loss gradually up to 100 deg CText
Approximate
main p.3 / article p.144 · Results and discussion - Synthesis and characterizations of Zn-HHTP-H2O · Figure S6B
XPS Na atomic percent6.73 atomic %SI Table
Exact Reported
SI p.9 · XPS analysis · Table S2
XPS Zn atomic percent6.70 atomic %SI Table
Exact Reported
SI p.9 · XPS analysis · Table S2
Zn 2p3/2 binding energy1022.9 eVText
Exact Reported
main p.4 / article p.145 · Results and discussion - Synthesis and characterizations of Zn-HHTP-H2O · Figure 2B

FTIR, TGA, XPS, SEM and SEM-EDS

Zn-HHTP-urea powder · Powder

Characterisation of urea incorporation, oxidation state, Zn binding-energy shift, rod morphology and elemental distribution.

Atmosphere
TGA under nitrogen
Context
Urea-functionalised framework.
Measurement source
main p.7-p.8 / article p.148-p.149 · Results and discussion - Urea functionalization of Zn-HHTP-H2O · Figure 4C-D; Figures S17-S20
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
XPS C=O area ratio to C-OC=O:C-O = 1.1:1SI Table
Exact Reported
SI p.17 · XPS analysis · Table S6
FTIR C=O stretching vibrationapproximately 1701 cm-1Text
Approximate
main p.7-p.8 / article p.148-p.149 · Results and discussion - Urea functionalization of Zn-HHTP-H2O · Figure 4D
FTIR N-H bending vibrationapproximately 1178 cm-1Text
Approximate
main p.7 / article p.148 · Results and discussion - Urea functionalization of Zn-HHTP-H2O · Figure 4D
TGA urea-associated weight-loss range130 deg C to 230 deg CText
Range
main p.7 / article p.148 · Results and discussion - Urea functionalization of Zn-HHTP-H2O · Figure 4C
Zn 2p3/2 binding energy1022.6 eVText
Exact Reported
main p.8 / article p.149 · Results and discussion - Urea functionalization of Zn-HHTP-H2O · Figure S20B