Spectroscopy — Electrosynthesis of a Nickel-Based Conductive Metal-Organic Framework with Controlled Morphology for Enhanced Capacitance

9 measurement groups · 30 results

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

Energy-dispersive X-ray spectroscopy (EDS)

Elemental microanalysis and mapping

Solvothermal bulk Ni-HHTP powder/pellet · Pellet

EDS composition for bulk Ni-HHTP.

Geometry: bulk powder
Context: Pristine solvothermal bulk Ni-HHTP.
Measurement source: S12 · Structural Characterizations · Table S4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
EDS atom percent C: bulk	66.73 atom% C	—	—	SI Table Exact Reported	S12 · Structural Characterizations · Table S4
EDS atom percent Ni: bulk	5.00 atom% Ni	—	—	SI Table Exact Reported	S12 · Structural Characterizations · Table S4
EDS atom percent O: bulk	28.27 atom% O	—	—	SI Table Exact Reported	S12 · Structural Characterizations · Table S4

Energy-dispersive X-ray spectroscopy (EDS)

Elemental microanalysis and mapping

Detached Ni-HHTP-Disc powder/pellet · Pellet

EDS composition for Ni-HHTP-Disc.

Geometry: detached or mapped electrosynthesised material
Context: Pristine electrosynthesised Ni-HHTP-Disc.
Measurement source: S11 · Structural Characterizations · Table S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
EDS atom percent C: disc	64.15 atom% C	—	—	SI Table Exact Reported	S11 · Structural Characterizations · Table S3
EDS atom percent Ni: disc	6.92 atom% Ni	—	—	SI Table Exact Reported	S11 · Structural Characterizations · Table S3
EDS atom percent O: disc	28.93 atom% O	—	—	SI Table Exact Reported	S11 · Structural Characterizations · Table S3

Energy-dispersive X-ray spectroscopy (EDS)

Elemental microanalysis and mapping

Detached Ni-HHTP-Flower powder/pellet · Pellet

EDS composition for Ni-HHTP-Flower.

Geometry: detached or mapped electrosynthesised material
Context: Pristine electrosynthesised Ni-HHTP-Flower.
Measurement source: S10 · Structural Characterizations · Table S2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
EDS atom percent C: flower	64.84 atom% C	—	—	SI Table Exact Reported	S10 · Structural Characterizations · Table S2
EDS atom percent Ni: flower	6.72 atom% Ni	—	—	SI Table Exact Reported	S10 · Structural Characterizations · Table S2
EDS atom percent O: flower	28.44 atom% O	—	—	SI Table Exact Reported	S10 · Structural Characterizations · Table S2

ATR FTIR spectroscopy

Infrared spectroscopy

Ni-HHTP comparative sample set · Unknown

Ni-HHTP-Flower, Ni-HHTP-Disc, bulk Ni-HHTP and HHTP ligand compared.

Geometry: powder/solid ATR
Context: Pristine Ni-HHTP samples with ligand reference.
Measurement source: 51-52 · Results · Figure 3b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
HHTP O-H stretch removed on coordination	O-H stretch at 3306 cm-1 disappears in Ni-HHTP spectra	—	—	Text Exact Reported	51 · Results · Figure 3b
HHTP O-H stretch removed on coordination	O-H stretch at 3410 cm-1 disappears in Ni-HHTP spectra	—	—	Text Exact Reported	51 · Results · Figure 3b
Broad water-associated FTIR signal	Broad remaining signal centered around 3250 cm-1 attributed to water	—	—	Text Rounded Reported	51 · Results · Figure 3b

UV-vis-NIR absorption and Tauc analysis

UV-visible and optical absorption spectroscopy

Ni-HHTP comparative sample set · Unknown

Solution-state UV-vis-NIR spectra with analytes dispersed in isopropyl alcohol; Tauc plots for band gaps.

Geometry: dispersion in isopropyl alcohol
Context: Pristine Ni-HHTP samples.
Measurement source: 52 · Results · Figure 3d and Figure S10

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Optical band gap: bulk Ni-HHTP	0.92 eV	—	—	Text Exact Reported	52 · Results · Figure S10a
Optical band gap: Ni-HHTP-Disc	0.94 eV	—	—	Text Exact Reported	52 · Results · Figure S10b
Optical band gap: Ni-HHTP-Flower	0.92 eV	—	—	Text Exact Reported	52 · Results · Figure 3d inset
UV-vis-NIR absorption onset	Similar absorption onset near 1250 nm for all Ni-HHTP samples	—	—	Text Rounded Reported	52 · Results · Figure 3d

High-resolution Ni 2p X-ray photoelectron spectroscopy

X-ray photoelectron spectroscopy

Ni-HHTP comparative sample set · Unknown

Ni-HHTP-Flower, Ni-HHTP-Disc, bulk Ni-HHTP and blank NF compared.

Atmosphere: air exposure noted for NF passivation
Geometry: detached MOF powders and blank NF
Context: Pristine Ni-HHTP and non-MOF blank NF.
Measurement source: 52 · Results · Figure 3c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Blank NF Ni0 2p signal	Ni0 signal at 853.5 eV	—	—	Text Exact Reported	52 · Results · Figure 3c
Blank NF Ni0 2p signal	Ni0 signal at 871.2 eV	—	—	Text Exact Reported	52 · Results · Figure 3c
Blank NF Ni2+ passivation signal	Weak Ni2+ signal at 856.4 eV from trace NiO passivation	—	—	Text Exact Reported	52 · Results · Figure 3c
Blank NF Ni2+ passivation signal	Weak Ni2+ signal at 873.9 eV from trace NiO passivation	—	—	Text Exact Reported	52 · Results · Figure 3c
Ni0 absent from Ni-HHTP spectra	Ni0 signals absent from both electrosynthesised Ni-HHTP spectra; Ni2+ signals stronger	—	—	Text Qualitative	52 · Results · Figure 3c

XPS survey spectrum composition

X-ray photoelectron spectroscopy

Solvothermal bulk Ni-HHTP powder/pellet · Pellet

Atom percent composition from XPS survey spectrum.

Geometry: bulk powder
Context: Pristine solvothermal bulk Ni-HHTP.
Measurement source: S8 · Structural Characterizations · Table S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
XPS atom percent C: bulk	70.80 atom% C	—	—	SI Table Exact Reported	S8 · Structural Characterizations · Table S1
XPS atom percent Ni: bulk	4.22 atom% Ni	—	—	SI Table Exact Reported	S8 · Structural Characterizations · Table S1
XPS atom percent O: bulk	25.38 atom% O	—	—	SI Table Exact Reported	S8 · Structural Characterizations · Table S1

XPS survey spectrum composition

X-ray photoelectron spectroscopy

Detached Ni-HHTP-Disc powder/pellet · Pellet

Atom percent composition from XPS survey spectrum.

Geometry: detached powder
Context: Pristine electrosynthesised Ni-HHTP-Disc.
Measurement source: S8 · Structural Characterizations · Table S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
XPS atom percent C: disc	53.65 atom% C	—	—	SI Table Exact Reported	S8 · Structural Characterizations · Table S1
XPS atom percent Ni: disc	7.92 atom% Ni	—	—	SI Table Exact Reported	S8 · Structural Characterizations · Table S1
XPS atom percent O: disc	38.43 atom% O	—	—	SI Table Exact Reported	S8 · Structural Characterizations · Table S1

XPS survey spectrum composition

X-ray photoelectron spectroscopy

Detached Ni-HHTP-Flower powder/pellet · Pellet

Atom percent composition from XPS survey spectrum.

Geometry: detached powder
Context: Pristine electrosynthesised Ni-HHTP-Flower.
Measurement source: S8 · Structural Characterizations · Table S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
XPS atom percent C: flower	65.95 atom% C	—	—	SI Table Exact Reported	S8 · Structural Characterizations · Table S1
XPS atom percent Ni: flower	4.69 atom% Ni	—	—	SI Table Exact Reported	S8 · Structural Characterizations · Table S1
XPS atom percent O: flower	29.37 atom% O	—	—	SI Table Exact Reported	S8 · Structural Characterizations · Table S1