Microscopy Morphology — Promoting ethylene production over a wide potential window on Cu crystallites induced and stabilized via current shock and charge delocalization

3 measurement groups · 6 results

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

Post-electrolytic KB@Cu3(HITP)2 after CO2RR · Electrode

Post-electrolytic samples after CO2RR at -1.25 V for 10 h in CO2-saturated 0.1 M KHCO3.

Atmosphere: Post-CO2RR
Context: post-electrolytic KB@Cu3(HITP)2 versus Cu3(HITP)2
Measurement source: 6-7 · Mechanistic comprehension of the C2H4 selectivity · Fig. 5a-b; Supplementary Figs. 16-18

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu(111) lattice fringe spacing in post-electrolytic Cu3(HITP)2	0.21 nm	—	—	Text Exact Reported	6 · Mechanistic comprehension · Fig. 5b; Supplementary Fig. 18
Lattice planes in KB@Cu3(HITP)2 derived Cu crystallites	(111), (100), (220), etc. converged and adjacent	—	—	Text Qualitative	6 · Mechanistic comprehension · Fig. 5a

Post-electrolytic KB@Cu3(HHTP)2 after CO2RR · Electrode

TEM images after 0.25 h CO2RR at multiple potentials for KB@Cu3(HHTP)2 and stand-alone Cu3(HHTP)2.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
KB@Cu3(HHTP)2 post-electrolytic particle-size stability	stabilized Cu particle size from -1.22 to -1.65 V	—	potential range only; no particle size values reported	Text Range	8 · Universality of the observations · Supplementary Fig. 33a-d
Stand-alone Cu3(HHTP)2 post-electrolytic particle growth	prominent growth of Cu particle size with increasing bias	—	—	Text Qualitative	8 · Universality of the observations · Supplementary Fig. 33e-h

As-synthesised Cu3(HITP)2 powder · Powder

Morphology and elemental distribution of as-synthesised Cu3(HITP)2.

Context: pristine Cu3(HITP)2
Measurement source: 2 · Structural characterization of Cu3(HITP)2 · Fig. 1b; Supplementary Fig. 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Elemental distribution	homogeneous distribution of Cu, N and C	—	—	Caption Qualitative	2 · Figures and Tables · Supplementary Fig. 1
Rod-like crystal diameter	30-40 nm	—	—	Text Range	2 · Structural characterization of Cu3(HITP)2 · Fig. 1b