Spectroscopy — Ordered layered manganese-based metal–organic frameworks induce 2D growth of discharge products via LiO2 adsorbent for high performance lithium–oxygen batteries

Measurement evidence

Spectroscopy

Ordered layered manganese-based metal–organic frameworks induce 2D growth of discharge products via LiO2 adsorbent for high performance lithium–oxygen batteries · Yu S., Zhao H., Wang Y. et al. · Applied Organometallic Chemistry · 2024 · e7658

4 measurement groups · 21 results

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

FT-IR spectroscopy

Mn-MOF temperature-series powders · Powder

Varian 640 FT-IR spectrometer

Context
pristine catalyst powders
Measurement source
3 · Material characterization · Figure 2c
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
C-C tensile vibration1613 cm-1Text
Rounded Reported
5 · Results and discussion · Figure 2c
=C-H tensile vibration3050 cm-1 for 180 and 200 C samplesText
Rounded Reported
5 · Results and discussion · Figure 2c
C-N tensile vibration1664 cm-1Text
Rounded Reported
5 · Results and discussion · Figure 2c
Mn-N bond vibration1014 cm-1Text
Rounded Reported
5 · Results and discussion · Figure 2c
Mn-O bond vibration452 cm-1Text
Rounded Reported
5 · Results and discussion · Figure 2c
O-H tensile vibration2352 cm-1Text
Rounded Reported
5 · Results and discussion · Figure 2c

Raman spectroscopy of discharged electrode

Mn-MOF-140 C air cathode · Electrode

140 C Mn-MOF air cathode after different charge-discharge cycles

Geometry
LOB air cathode
Context
composite electrode after LOB cycling
Measurement source
8 · Results and discussion · Figure 4g
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Li2O2 Raman peak absenceLi2O2 peak at 790 cm-1 not observedText
Qualitative
8 · Results and discussion · Figure 4g
LiO2 Raman peak1132 cm-1Text
Rounded Reported
8 · Results and discussion · Figure 4g

Raman spectroscopy

Mn-MOF temperature-series powders · Powder

Horiba Labram, room-temperature wavenumber range 50-3500 cm-1

Temperature
298
Context
pristine catalyst powders
Measurement source
3 · Material characterization · Figure 2b
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
140 C Raman peak1610 cm-1Text
Rounded Reported
5 · Results and discussion · Figure 2b
140 C Raman peak3087 cm-1Text
Rounded Reported
5 · Results and discussion · Figure 2b

X-ray photoelectron spectroscopy (XPS)

Mn-MOF-140 C · Nanosheet

ThermoFisher Scientific K-Alpha; Mn 2p, N 1s, O 1s, C 1s spectra

Context
pristine catalyst powder
Measurement source
3 · Material characterization · Figure 2d-g
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
C 1s binding energy for C=C284.49 eVText
Exact Reported
6 · Results and discussion · Figure 2g
C 1s binding energy for C-N288.07 eVText
Exact Reported
6 · Results and discussion · Figure 2g
C 1s binding energy for C-C285.35 eVText
Exact Reported
6 · Results and discussion · Figure 2g
C 1s binding energy for O-C=O291.05 eVText
Exact Reported
6 · Results and discussion · Figure 2g
Mn 2p1/2 binding energy653.41 eVText
Exact Reported
5 · Results and discussion · Figure 2d
Mn 2p3/2 binding energy641.77 eVText
Exact Reported
5 · Results and discussion · Figure 2d
Mn satellite peak645.77 eVText
Exact Reported
5 · Results and discussion · Figure 2d
N 1s binding energy for N-Mn-O399.79 eVText
Exact Reported
5 · Results and discussion · Figure 2e
N 1s binding energy for N in PDCA398.95 eVText
Exact Reported
5 · Results and discussion · Figure 2e
O 1s binding energy for C-O in PDCA532.73 eVText
Exact Reported
5-6 · Results and discussion · Figure 2f
O 1s binding energy for Mn-O531.17 eVText
Exact Reported
5-6 · Results and discussion · Figure 2f