![]() If you are the author of this article, you do not need to request permission to reproduce figuresĪnd diagrams provided correct acknowledgement is given. Provided correct acknowledgement is given. If you are an author contributing to an RSC publication, you do not need to request permission To request permission to reproduce material from this article, please go to the Indanone-based conjugated polymers enabling ultrafast electron transfer for visible light-driven hydrogen evolution from water This study provides valuable insights into the potential of IC-based conjugated polymers for photocatalytic hydrogen evolution. As a result, ICTDB, photocatalysts with IC-containing structures achieved a hydrogen evolution rate of 30.0 mmol g −1 h −1, which was 11.5 times higher than that of ICFTDB, the polymer with no malononitrile substitution. Through transient absorption spectroscopy, we demonstrated that ICTDB exhibited enhanced capabilities for ultrafast electron transfer and reduced recombination effects. We investigated the correlation between the optical, electrochemical, and hydrogen evolution performances of these polymers. These monomers were used to synthesize polymers with varying degrees of malononitrile substitution, referred to as ICFTDB, ICTDB, and IDMTDB. ![]() In this study, we designed a series of novel IC-based monomers incorporating a dibenzothiophene- S, S-dioxide unit through Suzuki coupling. However, research on the application of IC structures in PHP is limited due to synthesis challenges. 1,1-dicyanomethylene-3-indanone (IC) has been widely used as an end group in organic photovoltaics owing to its strong electron-withdrawing ability and planarity. ![]() Photocatalytic hydrogen production (PHP) from water is a promising solution for environmental pollution due to its high energy density and the abundant availability of water and solar energy on Earth.
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