Defect Polarization-Metal Anchoring Coupling Enables Ni2+/Ti3+ Dual Active Sites and TiO6 Octahedral Distortion for Efficient Piezo-PEC Water Splitting of BaTiO3.
Efficient piezo-photoelectrochemical (Piezo-PEC) water splitting is critical for sustainable hydrogen production, yet its performance is largely constrained by sluggish charge separation and inefficient mechanical-to-electrical energy conversion. Here, we introduce a defect polarization-metal anchoring strategy by sele...