Phase Engineering-Mediated D-Band Center of Ru Sites Promote the Hydrogen Evolution Reaction Under Universal pH Condition.

The rational design of pH-universal electrocatalyst with high-efficiency, low-cost and large current output suitable for industrial hydrogen evolution reaction (HER) is crucial for hydrogen production via water splitting. Herein, phase engineering of ruthenium (Ru) electrocatalyst comprised of metastable unconventional face-centered cubic (fcc) and conventional hexagonal close-packed (hcp) crystalline phase supported on nitrogen-doped carbon matrix (fcc/hcp-Ru/NC) is successfully synthesized through a facile pyrolysis approach. Fascinatingly, the fcc/hcp-Ru/NC displayed excellent electrocatalytic HER performance under a universal pH range.

Sn-mediated topological transformation of Archimedean polyhedra of Prussian blue analogues boosts the electrocatalytic performance for alkaline hydrogen production.

The exploitation of an extraordinary and low-cost electrocatalyst to solve energy shortage and environmental pollution issues is crucial. Herein, a topological Archimedean polyhedron of CoFe PBA (Prussian blue analogue) was synthesized a Sn-induced crystal growth regulation strategy. After phosphating treatment of the as-prepared Sn-CoFe PBA, a Sn-doped binary CoP/FeP hybrid was obtained (Sn-CoP/FeP).

Regulating the electronic and spin structure of endohedral metallofullerenes: a case investigation of ScN@C and ScC@C.

The electrochemical and paramagnetic properties of endohedral metallofullerenes (EMFs) have drawn extensive attention due to their huge potential in the fields of molecular devices, biomedicines, quantum information processing, . Exohedral modification of the fullerene carbon cage, such as in the classical Prato reaction, is an effective and facile approach to regulate the electronic structure and molecular dynamics of EMFs. In this work, novel pyrrolidine products of ScN@C and ScC@C were successfully synthesized Prato reactions using L-cysteine and paraformaldehyde.