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Enhanced photocatalytic overall water splitting from an assembly of donor-p-acceptor conjugated polymeric carbon nitride

Author name : mohamed sulman saifalnasser karram
Publication Date : 2022-10-15
Journal Name : Journal of Colloid and Interface Science

Abstract

Well-organized water splitting semiconducting photocatalyst is an important concept, but stimulating aimed at decisive energy and environmental emergencies. In this context, visible light-based photocatalytic water splitting with low-dimensional semiconducting materials is proposed to produce sustainable energy. Here we optimized the sequential of organic electron-rich heterocyclic monomer namely benzothiadiazole (BTD) quenched within polymeric carbon nitride (PCN) semiconductor via copolymerization, thereby assembling a sanctum of donor-π-acceptor (D-π-A) photocatalysts. The selection of BTD is based on the benzene ring, which consequently anticipating a π cross-linker unit for hydrogen and oxygen evolution. A hydrogen evolution rates (HER) of 88.2 μmol/h for pristine PCN and 744.2 μmol/h for PCN-BTD008 (eight times higher than pure PCN) are observed. Additionally, a remarkable apparent …

Keywords

Overall Water Splitting Polymeric Carbon Nitride (PCN) Co-polymerization Donor-p-Acceptor (D-p-A) Benzothiadiazole (BTD)

Publication Link

https://doi.org/10.1016/j.jcis.2022.05.139

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