Spectroscopy — Electronically Conductive Metal−Organic Framework With Photoelectric and Photothermal Effect as a Stable Cathode for High-Temperature Photo-Assisted Zn/Sn-Air Battery

Measurement evidence

Spectroscopy

Electronically Conductive Metal−Organic Framework With Photoelectric and Photothermal Effect as a Stable Cathode for High-Temperature Photo-Assisted Zn/Sn-Air Battery · Chen J., Yang C., Dong Y. et al. · Carbon Energy · 2026 · e70103

2 measurement groups · 11 results

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

photocurrent response, UV-vis DRS, Tauc plot, Mott-Schottky and PL

as-synthesised Ni2DDA black powder · Powder

Optoelectronic behaviour and semiconductor band structure of Ni2DDA.

Context
pristine Ni2DDA powder/electrode as optoelectronic sample
Measurement source
p005-p006 · Results and Discussion · Figure 3; Figures S7-S8
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
optical bandgapMarked as a best value within this paper1.14 eVText
Exact Reported
p005 · Results and Discussion · Figure 3C
flat band potential0.31 VText
Exact Reported
p005 · Results and Discussion · Figure 3D
semiconductor carrier typep-type semiconductor; holes as the main carriersText
Qualitative
p004 · Results and Discussion · Figure 3D
photo-switching photocurrent responsefavourable optoelectronic behaviour with reproducible light-on/light-off responseQualitative
Qualitative
p004-p005 · Results and Discussion · Figure 3A; Figure S7
visible-region light absorptionabsorption in the visible region; weaker absorption beyond 700 nmText
Qualitative
p004 · Results and Discussion · Figure 3B; Figure S8

XPS, XANES, EXAFS and WT-EXAFS

as-synthesised Ni2DDA black powder · Powder

Surface states and local Ni coordination compared with DDA, Ni foil, NiO and NiPc references.

Context
pristine Ni2DDA powder and DDA ligand control
Measurement source
p004-p005 · Results and Discussion · Figure 2; Figures S5-S6; Table S1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Ni-O and Ni-N coordination numbersNi-N N = 0.9; Ni-O N = 3.1SI Table
Exact Reported
p020 · Supporting Information · Table S1
first-shell Ni-N and Ni-O distancesNi-N 1.63 A; Ni-O 1.71 ASI Table
Exact Reported
p020 · Supporting Information · Table S1
EXAFS fitting R factor0.02SI Table
Exact Reported
p020 · Supporting Information · Table S1
N 1s peak shift from DDA to Ni2DDA399.08 to 399.43 eVText
Exact Reported
p004 · Results and Discussion · Figure 2A
Ni 2p peaks indicating Ni(II)Ni 2p3/2 = 856.12 eV; Ni 2p1/2 = 873.92 eVText
Exact Reported
p004 · Results and Discussion · Figure S5
O 1s carbonyl peak after Ni coordinationC=O peak shifted to 531.92 eVText
Exact Reported
p004 · Results and Discussion · Figure 2B