Spectroscopy — Structure and Electrical Transport Properties of Metal Cate-Cholate Frameworks: The Metal Center Matters†

Measurement evidence

Spectroscopy

Structure and Electrical Transport Properties of Metal Cate-Cholate Frameworks: The Metal Center Matters† · Yang M., Zhu R., Chen X. et al. · Chinese Journal of Chemistry · 2026 · 311-318

24 measurement groups · 27 results

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

Electron paramagnetic resonance (EPR)

Ca-HHTP powder sample · Powder

JEOL JES-FA200 ESR spectrometer.

Context
pristine powder
Measurement source
SI p.S4 · Materials and Methods
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Ca-HHTP EPR signal assignmentg about 2.00 radical signal2 g factorText
Approximate
main p.4, article p.314 · Electronic structure of M-HHTP MOFs · Figure 3g-l

FTIR spectroscopy

Ca-HHTP powder sample · Powder

Bruker TENSOR II using KBr pellet method.

Geometry
KBr pellet
Context
pristine powder
Measurement source
SI p.S3 and S9 · Fourier Transform Infrared Spectrum · Figure S4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Ca-HHTP FTIR coordination evidenceFree HHTP OH stretch disappeared; band around 1640 cm^-1 assigned to C=O stretch.1640 cm^-1Text
Rounded Reported
main p.2, article p.312 · Preparation and structural characterizations · Figure S3-S4

UV-Vis-NIR absorption and Tauc analysis

Ca-HHTP film sample · Thin Film

Transmission mode using integrating sphere detector and 20 nm slit width.

Geometry
MOF film on substrate
Context
pristine film
Measurement source
SI p.S14-S15 · Ultraviolet-Visible-Near Infrared Spectrum · Figure S11-S12
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Ca-HHTP direct optical band gap from Tauc plot1.27 eV1.27 eVFigure Axis
Approximate
SI p.S15 · Ultraviolet-Visible-Near Infrared Spectrum · Figure S12

X-ray photoelectron spectroscopy (XPS)

Ca-HHTP powder sample · Powder

Thermo ESCALAB 250Xi, monochromatized Al Kalpha hnu = 1486.6 eV, pass energy 30 eV, 150 W, 500 um spot; C 1s calibrated at 284.80 eV.

Atmosphere
ultrahigh vacuum, base pressure 10^-7 Torr
Context
pristine powder
Measurement source
SI p.S13 · X-ray Photoelectron Spectroscopy · Figure S9-S10
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Ca 2p1/2 binding energy350.7 eV350.7 eVText
Exact Reported
main p.4, article p.314 · Electronic structure of M-HHTP MOFs · Figure 3; Figure S10
Ca 2p3/2 binding energy347.1 eV347.1 eVText
Exact Reported
main p.4, article p.314 · Electronic structure of M-HHTP MOFs · Figure 3; Figure S10

Electron paramagnetic resonance (EPR)

Co-HHTP powder sample · Powder

JEOL JES-FA200 ESR spectrometer.

Context
pristine powder
Measurement source
SI p.S4 · Materials and Methods
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Co-HHTP EPR signal assignmentno prominent EPR signalQualitative
Qualitative
main p.4, article p.314 · Electronic structure of M-HHTP MOFs · Figure 3g-l

FTIR spectroscopy

Co-HHTP powder sample · Powder

Bruker TENSOR II using KBr pellet method.

Geometry
KBr pellet
Context
pristine powder
Measurement source
SI p.S3 and S9 · Fourier Transform Infrared Spectrum · Figure S4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Co-HHTP FTIR coordination evidenceFree HHTP OH stretch disappeared; band around 1640 cm^-1 assigned to C=O stretch.1640 cm^-1Text
Rounded Reported
main p.2, article p.312 · Preparation and structural characterizations · Figure S3-S4

UV-Vis-NIR absorption and Tauc analysis

Co-HHTP film sample · Thin Film

Transmission mode using integrating sphere detector and 20 nm slit width.

Geometry
MOF film on substrate
Context
pristine film
Measurement source
SI p.S14-S15 · Ultraviolet-Visible-Near Infrared Spectrum · Figure S11-S12
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Co-HHTP direct optical band gap from Tauc plot1.40 eV1.4 eVFigure Axis
Approximate
SI p.S15 · Ultraviolet-Visible-Near Infrared Spectrum · Figure S12

X-ray photoelectron spectroscopy (XPS)

Co-HHTP powder sample · Powder

Thermo ESCALAB 250Xi, monochromatized Al Kalpha hnu = 1486.6 eV, pass energy 30 eV, 150 W, 500 um spot; C 1s calibrated at 284.80 eV.

Atmosphere
ultrahigh vacuum, base pressure 10^-7 Torr
Context
pristine powder
Measurement source
SI p.S13 · X-ray Photoelectron Spectroscopy · Figure S9-S10
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource

Electron paramagnetic resonance (EPR)

Cu-HHTP powder sample · Powder

JEOL JES-FA200 ESR spectrometer.

Context
pristine powder
Measurement source
SI p.S4 · Materials and Methods
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-HHTP EPR signal assignmentbroad g = 2.1 signal2.1 g factorText
Approximate
main p.4, article p.314 · Electronic structure of M-HHTP MOFs · Figure 3g-l

FTIR spectroscopy

Cu-HHTP powder sample · Powder

Bruker TENSOR II using KBr pellet method.

Geometry
KBr pellet
Context
pristine powder
Measurement source
SI p.S3 and S9 · Fourier Transform Infrared Spectrum · Figure S4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-HHTP FTIR coordination evidenceFree HHTP OH stretch disappeared; band around 1640 cm^-1 assigned to C=O stretch.1640 cm^-1Text
Rounded Reported
main p.2, article p.312 · Preparation and structural characterizations · Figure S3-S4

UV-Vis-NIR absorption and Tauc analysis

Cu-HHTP film sample · Thin Film

Transmission mode using integrating sphere detector and 20 nm slit width.

Geometry
MOF film on substrate
Context
pristine film
Measurement source
SI p.S14-S15 · Ultraviolet-Visible-Near Infrared Spectrum · Figure S11-S12
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-HHTP direct optical band gap from Tauc plotMarked as a best value within this paper1.09 eV1.09 eVText
Rounded Reported
SI p.S15 · Ultraviolet-Visible-Near Infrared Spectrum · Figure S12

X-ray photoelectron spectroscopy (XPS)

Cu-HHTP powder sample · Powder

Thermo ESCALAB 250Xi, monochromatized Al Kalpha hnu = 1486.6 eV, pass energy 30 eV, 150 W, 500 um spot; C 1s calibrated at 284.80 eV.

Atmosphere
ultrahigh vacuum, base pressure 10^-7 Torr
Context
pristine powder
Measurement source
SI p.S13 · X-ray Photoelectron Spectroscopy · Figure S9-S10
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-HHTP ICP-AES copper content calculatedCu calculated 23.05%Text
Exact Reported
SI p.S7 · Synthesis of Cu-HHTP MOF
Cu-HHTP ICP-AES copper content foundCu found 23.41%Text
Exact Reported
SI p.S7 · Synthesis of Cu-HHTP MOF
Cu 2p3/2 Cu+ component binding energy932.5 eV932.5 eVText
Exact Reported
main p.4, article p.314 · Electronic structure of M-HHTP MOFs · Figure 3; Figure S10
Cu 2p3/2 Cu2+ component binding energy934.9 eV934.9 eVText
Exact Reported
main p.4, article p.314 · Electronic structure of M-HHTP MOFs · Figure 3; Figure S10

Electron paramagnetic resonance (EPR)

Mg-HHTP powder sample · Powder

JEOL JES-FA200 ESR spectrometer.

Context
pristine powder
Measurement source
SI p.S4 · Materials and Methods
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Mg-HHTP EPR signal assignmentg about 2.00 radical signal2 g factorText
Approximate
main p.4, article p.314 · Electronic structure of M-HHTP MOFs · Figure 3g-l

FTIR spectroscopy

Mg-HHTP powder sample · Powder

Bruker TENSOR II using KBr pellet method.

Geometry
KBr pellet
Context
pristine powder
Measurement source
SI p.S3 and S9 · Fourier Transform Infrared Spectrum · Figure S4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Mg-HHTP FTIR coordination evidenceFree HHTP OH stretch disappeared; band around 1640 cm^-1 assigned to C=O stretch.1640 cm^-1Text
Rounded Reported
main p.2, article p.312 · Preparation and structural characterizations · Figure S3-S4

UV-Vis-NIR absorption and Tauc analysis

Mg-HHTP film sample · Thin Film

Transmission mode using integrating sphere detector and 20 nm slit width.

Geometry
MOF film on substrate
Context
pristine film
Measurement source
SI p.S14-S15 · Ultraviolet-Visible-Near Infrared Spectrum · Figure S11-S12
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Mg-HHTP direct optical band gap from Tauc plot1.26 eV1.26 eVFigure Axis
Approximate
SI p.S15 · Ultraviolet-Visible-Near Infrared Spectrum · Figure S12

X-ray photoelectron spectroscopy (XPS)

Mg-HHTP powder sample · Powder

Thermo ESCALAB 250Xi, monochromatized Al Kalpha hnu = 1486.6 eV, pass energy 30 eV, 150 W, 500 um spot; C 1s calibrated at 284.80 eV.

Atmosphere
ultrahigh vacuum, base pressure 10^-7 Torr
Context
pristine powder
Measurement source
SI p.S13 · X-ray Photoelectron Spectroscopy · Figure S9-S10
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Mg 2p binding energy assigned to Mg2+50.3 eV50.3 eVText
Exact Reported
main p.4, article p.314 · Electronic structure of M-HHTP MOFs · Figure 3; Figure S10
O 1s C=O component binding energy common to all M-HHTP531.2 eV531.2 eVText
Exact Reported
main p.4, article p.314 · Electronic structure of M-HHTP MOFs · Figure 3; Figure S10
O 1s C-O component binding energy common to all M-HHTP532.8 eV532.8 eVText
Exact Reported
main p.4, article p.314 · Electronic structure of M-HHTP MOFs · Figure 3; Figure S10

Electron paramagnetic resonance (EPR)

Ni-HHTP powder sample · Powder

JEOL JES-FA200 ESR spectrometer.

Context
pristine powder
Measurement source
SI p.S4 · Materials and Methods
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Ni-HHTP EPR signal assignmentweak sharp g = 2.00 signal2 g factorText
Approximate
main p.4, article p.314 · Electronic structure of M-HHTP MOFs · Figure 3g-l

FTIR spectroscopy

Ni-HHTP powder sample · Powder

Bruker TENSOR II using KBr pellet method.

Geometry
KBr pellet
Context
pristine powder
Measurement source
SI p.S3 and S9 · Fourier Transform Infrared Spectrum · Figure S4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Ni-HHTP FTIR coordination evidenceFree HHTP OH stretch disappeared; band around 1640 cm^-1 assigned to C=O stretch.1640 cm^-1Text
Rounded Reported
main p.2, article p.312 · Preparation and structural characterizations · Figure S3-S4

UV-Vis-NIR absorption and Tauc analysis

Ni-HHTP film sample · Thin Film

Transmission mode using integrating sphere detector and 20 nm slit width.

Geometry
MOF film on substrate
Context
pristine film
Measurement source
SI p.S14-S15 · Ultraviolet-Visible-Near Infrared Spectrum · Figure S11-S12
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Ni-HHTP direct optical band gap from Tauc plot1.49 eV1.49 eVFigure Axis
Approximate
SI p.S15 · Ultraviolet-Visible-Near Infrared Spectrum · Figure S12

X-ray photoelectron spectroscopy (XPS)

Ni-HHTP powder sample · Powder

Thermo ESCALAB 250Xi, monochromatized Al Kalpha hnu = 1486.6 eV, pass energy 30 eV, 150 W, 500 um spot; C 1s calibrated at 284.80 eV.

Atmosphere
ultrahigh vacuum, base pressure 10^-7 Torr
Context
pristine powder
Measurement source
SI p.S13 · X-ray Photoelectron Spectroscopy · Figure S9-S10
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource

Electron paramagnetic resonance (EPR)

Zn-HHTP powder sample · Powder

JEOL JES-FA200 ESR spectrometer.

Context
pristine powder
Measurement source
SI p.S4 · Materials and Methods
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Zn-HHTP EPR signal assignmentg around 2.00 radical signal2 g factorText
Approximate
main p.4, article p.314 · Electronic structure of M-HHTP MOFs · Figure 3g-l

FTIR spectroscopy

Zn-HHTP powder sample · Powder

Bruker TENSOR II using KBr pellet method.

Geometry
KBr pellet
Context
pristine powder
Measurement source
SI p.S3 and S9 · Fourier Transform Infrared Spectrum · Figure S4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Zn-HHTP FTIR coordination evidenceFree HHTP OH stretch disappeared; band around 1640 cm^-1 assigned to C=O stretch.1640 cm^-1Text
Rounded Reported
main p.2, article p.312 · Preparation and structural characterizations · Figure S3-S4

UV-Vis-NIR absorption and Tauc analysis

Zn-HHTP film sample · Thin Film

Transmission mode using integrating sphere detector and 20 nm slit width.

Geometry
MOF film on substrate
Context
pristine film
Measurement source
SI p.S14-S15 · Ultraviolet-Visible-Near Infrared Spectrum · Figure S11-S12
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Zn-HHTP direct optical band gap from Tauc plot1.48 eV1.48 eVFigure Axis
Approximate
SI p.S15 · Ultraviolet-Visible-Near Infrared Spectrum · Figure S12

X-ray photoelectron spectroscopy (XPS)

Zn-HHTP powder sample · Powder

Thermo ESCALAB 250Xi, monochromatized Al Kalpha hnu = 1486.6 eV, pass energy 30 eV, 150 W, 500 um spot; C 1s calibrated at 284.80 eV.

Atmosphere
ultrahigh vacuum, base pressure 10^-7 Torr
Context
pristine powder
Measurement source
SI p.S13 · X-ray Photoelectron Spectroscopy · Figure S9-S10
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource