Spectroscopy — High-Performance H2S Sensors to Detect SF6 Leakage

5 measurement groups · 14 results

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

Co1.8Ni1.2(HITP)2 chemiresistive gas sensor on Au IDE chip · Electrode

Co1.8Ni1.2(HITP)2 after H2S treatment.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
post-H2S FTIR peak	1319 cm-1	—	—	Text Exact Reported	5 · 2.4. Gas-Sensing Mechanism · Figure 5a
post-H2S FTIR peak	1419 cm-1	—	—	Text Exact Reported	5 · 2.4. Gas-Sensing Mechanism · Figure 5a

Co1.8Ni1.2(HITP)2 powder · Powder

Raman spectra for Co3(HITP)2, Ni3(HITP)2 and CoxNi3-x(HITP)2.

Context: pristine framework characterisation
Measurement source: 3 · 2.1. Sample Preparation and Characterization · Figure 1b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Raman D-like band	1373 cm-1	—	—	Text Exact Reported	3 · 2.1. Sample Preparation and Characterization · Figure 1b
Raman G-like band	1575 cm-1	—	—	Text Exact Reported	3 · 2.1. Sample Preparation and Characterization · Figure 1b

Co1.8Ni1.2(HITP)2 powder · Powder

Co and Ni K-edge XAS of Co3(HITP)2, Ni3(HITP)2 and Co1.8Ni1.2(HITP)2 with MPc/foil/oxide references.

Geometry: 13 mm pellets after grinding with boron nitride for XAS, per SI
Context: pristine framework coordination characterisation
Measurement source: 3 · 2.1. Sample Preparation and Characterization · Figure 2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Co K-edge energy for Co3(HITP)2	7726.5 eV	—	—	Text Exact Reported	3 · 2.1. Sample Preparation and Characterization · Figure 2a
Co K-edge pre-edge energy for Co3(HITP)2	7710.5 eV	—	—	Text Exact Reported	3 · 2.1. Sample Preparation and Characterization · Figure 2a
XAS coordination assignment	similar square planar coordination environment to MPc references	—	—	Text Qualitative	4 · 2.1. Sample Preparation and Characterization · Figure 2

Co1.8Ni1.2(HITP)2 powder · Powder

Ni 2p and Co 2p spectra plus survey spectrum for Co1.8Ni1.2(HITP)2.

Context: pristine target mixed-metal powder
Measurement source: 3 · 2.1. Sample Preparation and Characterization · Figures 1c,d and S6

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Co 2p3/2 binding energy	780.9 eV	—	—	Text Exact Reported	3 · 2.1. Sample Preparation and Characterization · Figure 1d
Co 2p satellite binding energy	785.7 eV	—	—	Text Exact Reported	3 · 2.1. Sample Preparation and Characterization · Figure 1d
Ni 2p3/2 binding energy	855.2 eV	—	—	Text Exact Reported	3 · 2.1. Sample Preparation and Characterization · Figure 1c
Ni 2p satellite binding energy	860.8 eV	—	—	Text Exact Reported	3 · 2.1. Sample Preparation and Characterization · Figure 1c

Co1.8Ni1.2(HITP)2 chemiresistive gas sensor on Au IDE chip · Electrode

Reaction of Co1.8Ni1.2(HITP)2 with H2S; S 2p peaks and free radical signal.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
EPR g factor after H2S exposure	g = 2.003	—	—	Text Exact Reported	5 · 2.4. Gas-Sensing Mechanism · Figure 5c
S 2p3/2 sulfide-like binding energy after H2S exposure	163.7 eV	—	—	Text Exact Reported	5 · 2.4. Gas-Sensing Mechanism · Figure 5b
sulfite-like high binding energy peak after H2S exposure	167.8 eV	—	—	Text Exact Reported	5 · 2.4. Gas-Sensing Mechanism · Figure 5b