Spectroscopy — In Situ Growth of Conductive Metal-Organic Framework onto Cu2O for Highly Selective and Humidity-Independent Hydrogen Sulfide Detection in Food Quality Assessment

3 measurement groups · 9 results

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

Cu2O@CuHHTP-3 powder · Powder

Elemental composition after Cu2O cubes reacted with HHTP and Cu2+.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
EDX atomic percent C	45 atomic %	—	—	Figure Axis Rounded Reported	p004 / 1313 · Results and Discussion · Figure 3b
EDX atomic percent Cu	44.02 atomic %	—	—	Figure Axis Rounded Reported	p004 / 1313 · Results and Discussion · Figure 3b
EDX atomic percent O	10.98 atomic %	—	—	Figure Axis Rounded Reported	p004 / 1313 · Results and Discussion · Figure 3b

Cu2O@CuHHTP-3 interdigital electrode sensor · Electrode

Cu2O@CuHHTP exposed to 50 ppm H2S for 100 s at room temperature; powder scraped for immediate XPS testing.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Sulfur after H2S sensing	No S element detected by XPS/EDX	—	—	Qualitative Qualitative	p007 / 1316 · Mechanism · Figures S16-S17
Copper sulfide formation after H2S sensing	No Cu-based sulfides generated	—	—	Qualitative Qualitative	p007 / 1316 · Mechanism · Figures S16-S19

Cu2O@CuHHTP-3 powder · Powder

Cu valence states in Cu2O@CuHHTP after redox-etching process compared with Cu2O.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu2+ 2p1/2 XPS peak	953.5 eV	—	—	Text Exact Reported	p004 / 1313 · Results and Discussion · Figure 3c
Cu2+ 2p3/2 XPS peak	934.3 eV	—	—	Text Exact Reported	p004 / 1313 · Results and Discussion · Figure 3c
Cu+ 2p1/2 XPS peak	952.0 eV	—	—	Text Exact Reported	p004 / 1313 · Results and Discussion · Figure 3c
Cu+ 2p3/2 XPS peak	932.1 eV	—	—	Text Exact Reported	p004 / 1313 · Results and Discussion · Figure 3c