Dilute Interstitial Carbon Stabilization of Highly Strained Metastable HCP Nickel for Enhanced Electrocatalysis.
Lattice strain engineering can regulate the electronic structure of electrocatalysts, but stabilizing distorted metastable phases remains challenging. Here, we report an N,N-dimethylformamide-assisted strategy for synthesizing metastable hexagonal close-packed (HCP) Ni nanoparticles with local lattice-spacing deviation...