Spectroscopy — Ni(II)-Based Coordination Polymer with Pi-Conjugated Organic Linker as Catalyst for Oxygen Evolution Reaction Activity

Measurement evidence

Spectroscopy

Ni(II)-Based Coordination Polymer with Pi-Conjugated Organic Linker as Catalyst for Oxygen Evolution Reaction Activity · Kumar T., Karmakar A., Halder A. et al. · Energy and Fuels · 2022 · 2722-2730

5 measurement groups · 7 results

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

FT-IR spectroscopy

as-synthesised CP 1 blue needle-shaped crystals · Single Crystal

KBr pellet; PerkinElmer Spectrum Two.

Geometry
KBr pellet
Context
pristine CP 1
Measurement source
2724 · Results and Discussion · Figure S1B
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
asymmetric carboxylate stretching band1552 cm-1Text
Exact Reported
2724 · Results and Discussion · Figure S1B
O-H stretching band3375 cm-1Text
Exact Reported
2724 · Results and Discussion · Figure S1B

post-OER XPS

CP 1 catalyst ink drop-cast on glassy carbon electrode · Electrode

High-resolution Ni 2p3/2 XPS of CP 1 before and after OER analysis.

Geometry
post-electrolysis catalyst electrode/sample
Context
CP 1 after OER
Measurement source
2726 · 3.1 Electrocatalytic Water Oxidation · Figure 5C
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
post-OER Ni3+ binding energy857.3 eVText
Exact Reported
2726 · 3.1 Electrocatalytic Water Oxidation · Figure 5C

X-ray photoelectron spectroscopy

as-synthesised CP 1 blue needle-shaped crystals · Single Crystal

NEXSA Surface Analysis; Al-Kalpha 1486.6 eV; 400 um spot; Avantage deconvolution.

Geometry
powder
Context
pristine CP 1
Measurement source
2724 · Results and Discussion · Figure 3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Ni 2p1/2 binding energy873.1 eVText
Exact Reported
2724 · Results and Discussion · Figure 3B
Ni 2p3/2 binding energy855.5 eVText
Exact Reported
2724 · Results and Discussion · Figure 3B

FT-IR spectroscopy

as-synthesised CP 2 blue crystals · Single Crystal

KBr pellet; PerkinElmer Spectrum Two.

Geometry
KBr pellet
Context
pristine CP 2
Measurement source
2723 · 2.3 Synthesis of CP 2 · Figure S1B
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
O-H stretching band3355 cm-1Text
Exact Reported
2723 · 2.3 Synthesis of CP 2 · Figure S1B

X-ray photoelectron spectroscopy

as-synthesised CP 2 blue crystals · Single Crystal

NEXSA Surface Analysis; Al-Kalpha 1486.6 eV; 400 um spot; Avantage deconvolution.

Geometry
powder
Context
pristine CP 2
Measurement source
2724 · Results and Discussion · Figure 3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Ni oxidation state before OERNi species in +2 form in both CPs 1 and 2Text
Qualitative
2724 · Results and Discussion · Figure 3B