Tunable linear donor–π–acceptor conjugated polymers with a vinylene linkage for visible-light driven hydrogen evolution

Abstract

This work demonstrated the rational design and synthesis of donor–π–acceptor (D–π–A) linear vinylene-linked polymers for visible-light driven H₂ production with high efficiency. Extending the in-plane conjugation, enhancing the electron push–pull interaction or/and lowering the steric hindrance of the D–π–A type linear conjugated polymer could broaden the visible-light absorption band, promote the photogenerated charge separation and transfer, and thus improve the photocatalytic performance.