cMOF Evidence Base
Spectroscopy — Ultrathin two-dimensional π-d conjugated coordination polymer Co3(hexaaminobenzene)2 nanosheets for highly efficient oxygen evolution

Measurement evidence

Spectroscopy

Ultrathin two-dimensional π-d conjugated coordination polymer Co3(hexaaminobenzene)2 nanosheets for highly efficient oxygen evolution · Li C., Shi L., Zhang L. et al. · Journal of Materials Chemistry A · 2020 · 369-379

2 measurement groups · 8 results

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

acid/base chemical stability by FT-IR and SEM

Infrared spectroscopyScanning electron microscopy

Co-HAB-NSs · Nanosheet

Catalysts about 10 mg suspended in 5 mL 0.05 M H2SO4 and 1 M KOH for 5 h at room temperature; washed with water and acetone; dried under vacuum for 3 h at 75 C.

Temperature
room temperature treatment; 348 K drying
Context
target sample and bulk control
Measurement source
p009 / article p377 · Chemical stability test · Fig. 7b-d
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Chemical stability after acid/base treatmentno noticeable change in structure after 0.05 M H2SO4 and 1 M KOH treatment——Text
Qualitative		p007 / article p375 · Electrocatalytic performance · Fig. 7b-d

XPS C 1s, N 1s, Co 2p

X-ray photoelectron spectroscopy

Co-HAB-NSs · Nanosheet

High-resolution XPS spectra for Co-HAB-NSs, bulk Co-HAB, and Co-HAB-C; survey XPS for Co-HAB-NSs.

Context
pristine target sample compared with controls
Measurement source
p004 / article p372 · Structure and morphology · Fig. 3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
C=N binding energy in bulk Co-HAB288.6 eV——Text
Exact Reported		p003-p004 / article pp371-372 · Structure and morphology · Fig. 3a
C=N binding energy in Co-HAB-C287.8 eV——Text
Exact Reported		p003-p004 / article pp371-372 · Structure and morphology · Fig. 3a
C=N binding energy in Co-HAB-NSs289.0 eV——Text
Exact Reported		p003-p004 / article pp371-372 · Structure and morphology · Fig. 3a
Co 2p peak assignment in comparison samplesCo 2p3/2 at 781.0 eV and Co 2p1/2 at 796.3 eV for Co2+——Text
Exact Reported		p004 / article p372 · Structure and morphology · Fig. 3c
Co-HAB-NSs Co 2p1/2 binding energy797.4 eV——Text
Exact Reported		p004 / article p372 · Structure and morphology · Fig. 3c
Co-HAB-NSs Co 2p3/2 binding energy781.6 eV——Text
Exact Reported		p004 / article p372 · Structure and morphology · Fig. 3c
Co-HAB-NSs survey XPS elementsonly C, O, N and Co(II) detected——Text
Qualitative		p003 / article p371 · Structure and morphology · Fig. S4