Spectroscopy — Enhanced Electrical Conductivity by the Heavy Chalcogen Effect in Metal-Organic Frameworks

Measurement evidence

Spectroscopy

Enhanced Electrical Conductivity by the Heavy Chalcogen Effect in Metal-Organic Frameworks · Yang M., Tan J., Wang Z. et al. · Journal of the American Chemical Society · 2025 · 24152-24161

9 measurement groups · 22 results

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

FTIR, Raman, XPS, EPR spectroscopy

Cu-S-HHS solvothermal powder · Powder

KBr FTIR; SERS with silver nanoparticles/APTS glass; XPS Al Kalpha; EPR X-band at 120 K.

Temperature
120 K for EPR
Context
pristine framework sample
Measurement source
S16/S30/S36/S42 · 3, 8, 12, 14. Spectroscopy · Figures S12/S33/S36-S41
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-S-HHS EPR g-factor2.11Text
Rounded Reported
S44 · 15. Analysis of Magnetic Properties · Figure S41 / text
Cu-S-HHS C-X Raman vibration895 cm-1Text
Exact Reported
24155 · Structural Characterizations · Figure S33
Cu-S-HHS XPS elemental presenceC, O, Cu and chalcogenide present; trace N observedText
Qualitative
S36 · 12. X-ray Photoelectron Spectroscopy · Figure S36
Cu-S-HHS copper mixed valenceCu2+ and Cu+ both presentText
Qualitative
S36 · 12. X-ray Photoelectron Spectroscopy · Figure S39

ultraviolet photoelectron spectroscopy

Cu-S-HHS solvothermal powder · Powder

Powder pressed on foam copper; He lamp hnu=21.22 eV; Au Fermi-edge correction; IE from cutoff and VBM.

Context
pristine framework sample
Measurement source
S54 · 19. Ultraviolet Photoelectron Spectroscopy · Figures S57-S58
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-S-HHS UPS ionisation potential6.728 eVText
Exact Reported
S54 · 19. Ultraviolet Photoelectron Spectroscopy · Figure S57

UV-vis-NIR transmission spectroscopy and Tauc analysis

Cu-S-HHS interfacial film · Thin Film

Interfacial MOF film transferred to quartz; transmission mode with integrating sphere and 20 nm slit.

Context
pristine framework sample
Measurement source
S46-S48 · 16. UV-Visible-Near Infrared Spectrum · Figures S46-S49
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-S-HHS direct optical bandgap0.93 eVText
Exact Reported
S48 · 16.2. UV-Vis-NIR Spectra and Calculation of Optical Bandgap · Figure S48
Cu-S-HHS film thickness900 nmText
Exact Reported
S57 · 21.1. Preparation and Characterization of Samples · Figure S61
Cu-S-HHS indirect optical bandgap0.85 eVText
Exact Reported
S48 · 16.2. UV-Vis-NIR Spectra and Calculation of Optical Bandgap · Figure S49

FTIR, Raman, XPS, EPR spectroscopy

Cu-Se-HHS solvothermal powder · Powder

KBr FTIR; SERS with silver nanoparticles/APTS glass; XPS Al Kalpha; EPR X-band at 120 K.

Temperature
120 K for EPR
Context
pristine framework sample
Measurement source
S16/S30/S36/S42 · 3, 8, 12, 14. Spectroscopy · Figures S13/S33/S36-S41
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-Se-HHS EPR g-factor2.11Text
Rounded Reported
S44 · 15. Analysis of Magnetic Properties · Figure S41 / text
Cu-Se-HHS C-X Raman vibration842 cm-1Text
Exact Reported
24155 · Structural Characterizations · Figure S33
Cu-Se-HHS XPS elemental presenceC, O, Cu and chalcogenide present; trace N observedText
Qualitative
S36 · 12. X-ray Photoelectron Spectroscopy · Figure S36
Cu-Se-HHS copper mixed valenceCu2+ and Cu+ both presentText
Qualitative
S36 · 12. X-ray Photoelectron Spectroscopy · Figure S39

ultraviolet photoelectron spectroscopy

Cu-Se-HHS solvothermal powder · Powder

Powder pressed on foam copper; He lamp hnu=21.22 eV; Au Fermi-edge correction; IE from cutoff and VBM.

Context
pristine framework sample
Measurement source
S54 · 19. Ultraviolet Photoelectron Spectroscopy · Figures S57-S58
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-Se-HHS UPS ionisation potential6.714 eVText
Exact Reported
S54 · 19. Ultraviolet Photoelectron Spectroscopy · Figure S57

UV-vis-NIR transmission spectroscopy and Tauc analysis

Cu-Se-HHS interfacial film · Thin Film

Interfacial MOF film transferred to quartz; transmission mode with integrating sphere and 20 nm slit.

Context
pristine framework sample
Measurement source
S46-S48 · 16. UV-Visible-Near Infrared Spectrum · Figures S46-S49
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-Se-HHS direct optical bandgap0.72 eVText
Exact Reported
S48 · 16.2. UV-Vis-NIR Spectra and Calculation of Optical Bandgap · Figure S48
Cu-Se-HHS film thickness400 nmText
Exact Reported
S57 · 21.1. Preparation and Characterization of Samples · Figure S61

FTIR, Raman, XPS, EPR spectroscopy

Cu-Te-HHS solvothermal powder · Powder

KBr FTIR; SERS with silver nanoparticles/APTS glass; XPS Al Kalpha; EPR X-band at 120 K.

Temperature
120 K for EPR
Context
pristine framework sample
Measurement source
S17/S30/S36/S42 · 3, 8, 12, 14. Spectroscopy · Figures S14/S33/S36-S41
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-Te-HHS EPR g-factor2.08Text
Rounded Reported
S44 · 15. Analysis of Magnetic Properties · Figure S41 / text
Cu-Te-HHS C-X Raman vibration637 cm-1Text
Exact Reported
24155 · Structural Characterizations · Figure S33
Cu-Te-HHS XPS elemental presenceC, O, Cu and chalcogenide present; trace N observedText
Qualitative
S36 · 12. X-ray Photoelectron Spectroscopy · Figure S36
Cu-Te-HHS copper mixed valenceCu2+ and Cu+ both presentText
Qualitative
S36 · 12. X-ray Photoelectron Spectroscopy · Figure S39

ultraviolet photoelectron spectroscopy

Cu-Te-HHS solvothermal powder · Powder

Powder pressed on foam copper; He lamp hnu=21.22 eV; Au Fermi-edge correction; IE from cutoff and VBM.

Context
pristine framework sample
Measurement source
S54 · 19. Ultraviolet Photoelectron Spectroscopy · Figures S57-S58
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-Te-HHS UPS ionisation potential6.515 eVText
Exact Reported
S54 · 19. Ultraviolet Photoelectron Spectroscopy · Figure S57

UV-vis-NIR transmission spectroscopy and Tauc analysis

Cu-Te-HHS interfacial film · Thin Film

Interfacial MOF film transferred to quartz; transmission mode with integrating sphere and 20 nm slit.

Context
pristine framework sample
Measurement source
S46-S48 · 16. UV-Visible-Near Infrared Spectrum · Figures S46-S49
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-Te-HHS direct optical bandgap0.85 eVText
Exact Reported
S48 · 16.2. UV-Vis-NIR Spectra and Calculation of Optical Bandgap · Figure S48
Cu-Te-HHS film thickness500 nmText
Exact Reported
S57 · 21.1. Preparation and Characterization of Samples · Figure S61