Abstract
Achieving rapid and highly selective chemical reductions using Fe0 nanomaterials for water treatment remains challenging. Impregnating lattice Ni and S into crystalline Fe0 with controllable lattice strain and S speciation provides a strategy to overcome the reactivity–selectivity–stability trade-off. Chemoselective dehalogenation and hydrogenation at a remarkable activity (up to 956-fold higher than for unmodified Fe0) outcompete H2 evolution for >90% electrons from lattice-doped Fe0, which also offers high stability in air and water. This talk will demonstrate how to tune the local microenvironment and physicochemical properties of Fe0 via lattice engineering, toward selective reductions of contaminants in water.
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