Microscopy Morphology — Highly Selective CO2 Electroreduction to CH4 by In Situ Generated Cu2O Single-Type Sites on a Conductive MOF: Stabilizing Key Intermediates with Hydrogen Bonding

2 measurement groups · 8 results

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

Cu2O@CuHHTP, -1.2 V 30 min · Electrode

TEM at 200 kV; SEM at 10 kV; HAADF-STEM/EDS at 200 kV

Geometry: JSM6700-F SEM; FEIT 20 TEM; Titan Cubed Themis G2 300
Context: CuHHTP and Cu2O@CuHHTP
Measurement source: p004 / 23644 · Results and Discussion · Figure 2; Figure S5-S8

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Elemental distribution in Cu2O@CuHHTP	Cu, C and O distributed uniformly	—	—	Text Qualitative	p004 / 23644 · Figure 2d
Cu2O(111) lattice fringe in Cu2O@CuHHTP	0.251 nm	—	—	Text Exact Reported	p004 / 23644 · Figure 2c
Cu2O nanoparticle average size after 30 minMarked as a best value within this paper	ca. 3.5 nm	—	—	Text Approximate	p004 / 23644 · Figure 2b; Figure S8

Cata-1.2V-5h · Electrode

CuHHTP electroreduced at -1.2 V vs RHE for 1, 3 or 5 h

Geometry: TEM/HRTEM
Context: electroreduction-time variants
Measurement source: p015-p016 / SI pp14-15 · Supporting Figures and Tables · Figures S18-S20

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu2O(111) lattice fringe for 1 h or 3 h samples	0.247 nm	—	—	Text Exact Reported	p016 / SI p15 · Figure S18-S19
Particle-size range after 1 h electroreduction	3-6 nm	—	—	Text Range	p016 / SI p15 · Figure S18
Particle-size range after 3 h electroreduction	3.5-10 nm	—	—	Text Range	p016 / SI p15 · Figure S19
Additional phases after 5 h electroreduction	CuO(111) and Cu2O(110) observed in addition to Cu2O(111)	—	—	Text Qualitative	p016 / SI p15 · Figure S20
Particle-size range after 5 h electroreduction	6-35 nm	—	—	Text Range	p016 / SI p15 · Figure S20