Spectroscopy — Conductive, Large-Area, and Continuous 7,7,8,8-Tetracyanoquinodimethane@HKUST-1 Thin Films Fabricated Using Solution Shearing

Measurement evidence

Spectroscopy

Conductive, Large-Area, and Continuous 7,7,8,8-Tetracyanoquinodimethane@HKUST-1 Thin Films Fabricated Using Solution Shearing · Jung S., Huelsenbeck L., Hu Q. et al. · ACS Applied Materials and Interfaces · 2021 · 10202-10209

2 measurement groups · 7 results

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

FT-IR spectroscopy, PerkinElmer Frontier MIR/NIR

Solvent-exchanged TCNQ@HKUST-1 thin film, loading time unspecified · Thin Film

FT-IR spectra compared TCNQ@HKUST-1, TCNQ, and HKUST-1 in the nitrile stretch region.

Context
guest-loaded target versus TCNQ and HKUST-1 references
Measurement source
10204-10205 · Characterizations; Results and Discussion · Figure 3B
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
TCNQ@HKUST-1 nitrile stretch2,201 cm-1Text
Exact Reported
10205 · Results and Discussion · Figure 3B
Nitrile stretch red shift on HKUST-1 loading2224 to 2201 cm-1; shift 23 cm-1Calculated From Reported
Exact Reported
10204-10205 · Figure caption; Results and Discussion · Figure 3B
Free TCNQ nitrile stretch2,224 cm-1Text
Exact Reported
10205 · Results and Discussion · Figure 3B

X-ray photoelectron spectroscopy, PHI VersaProbe III, Al Kalpha radiation

Thermally activated TCNQ@HKUST-1 comparison thin film · Thin Film

Cu 2p XPS compared solvent-treated and thermally treated TCNQ@HKUST-1/HKUST-1 films.

Context
activation-route comparison for Cu oxidation state and Cu(TCNQ) byproduct risk
Measurement source
10204, 10206-10207 · Characterizations; Results and Discussion · Figure 4D
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Approximate XPS sampling deptharound 5 nmaroundText
Approximate
10207 · Results and Discussion
Solvent-exchanged sample Cu(II) shake-up satellite near 945 eVaround 945 eVaroundText
Approximate
10207 · Results and Discussion · Figure 4D
Solvent-exchanged sample Cu(II) shake-up satellite near 965 eVaround 965 eVaroundText
Approximate
10207 · Results and Discussion · Figure 4D
Thermal treatment reduces Cu(II) to Cu(I)thermally treated pristine HKUST-1 reduces the oxidation state from Cu(II) to Cu(I) and removes the shake-up peaksText
Qualitative
10207 · Results and Discussion · Figure 4D