Other — Activating a Metallization Switch for Record Hydrogen Evolution in Single-Atom Modified Polar MOF Piezocatalysts

Measurement evidence

Other

Activating a Metallization Switch for Record Hydrogen Evolution in Single-Atom Modified Polar MOF Piezocatalysts · Hao C., Guan X., Wu Y. et al. · Advanced Materials · 2026 · e23489

1 measurement group · 3 results

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

Piezoresponse force microscopy (PFM)

Ni SAs@UiO-66-NH2(Hf) powder · Powder

Butterfly-shaped amplitude curves and phase hysteresis loops; d33 calculated as amplitude / AC voltage with AC voltage = 5 V.

Geometry: powder/nanocrystal PFM
Context: Target sample compared with UiO-66 and UiO-66-NH2 controls.
Measurement source: 9 · Experimental Insights into Electronic States and Polarization · Figure 4f-h

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Effective piezoelectric coefficient d33 of Ni SAs@UiO-66-NH2Marked as a best value within this paper	242 pm V-1	—	—	Text Exact Reported	8-9 · Experimental Insights into Electronic States and Polarization · Figure 4h
Effective piezoelectric coefficient d33 of UiO-66	48 pm V-1	—	—	Text Exact Reported	8-9 · Experimental Insights into Electronic States and Polarization · Figure 4f
Effective piezoelectric coefficient d33 of UiO-66-NH2	126 pm V-1	—	—	Text Exact Reported	8-9 · Experimental Insights into Electronic States and Polarization · Figure 4g