Ultrastable Cu-Based Dual-Channel Heterowire for the Switchable Electro-/Photocatalytic Reduction of CO₂.

ABSTRACT: Catalytic conversion of CO₂ into high value-added chemicals using renewable energy is an attractive strategy for the management of CO₂ . However, achieving both efficiency and product selectivity remains a great challenge. Herein, a brand-new family of 1D dual-channel heterowires, Cu NWs@MOFs are constructed by coating metal-organic frameworks (MOFs) on Cu nanowires (Cu NWs) for electro-/photocatalytic CO₂ reductions, where Cu NWs act as an electron channel to directionally transmit electrons, and the MOF cover acts as a molecule/photon channel to control the products and/or undertake photoelectric conversion. Through changing the type of MOF cover, the 1D heterowire is switched between electrocatalyst and photocatalyst for the reduction of CO₂ with excellent selectivity, adjustable products, and the highest stability among the Cu-based CO₂ RR catalysts, which leads to heterometallic MOF covered 1D composite, and especially the first 1D/1D-type Mott-Schottky heterojunction. Considering the diversity of MOF materials, the ultrastable heterowires offer a highly promising and feasible solution for CO₂ reduction.

SUBMITTER: Li B 

PROVIDER: S-EPMC10502641 | biostudies-literature | 2023 Sep

REPOSITORIES: biostudies-literature