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- W2990923918 abstract "Photoelectrocatalytic (PEC) water splitting provides an alternative to direct solar-to-fuel production. In this study, a novel heterostructure formed between a conjugated polymer [poly-2,6-diaminopyridine (PDAP)] and three-dimensional TiO2 microspheres was grown in situ on a Ti substrate (PDAP-3DTiO2MSs/Ti) and used as photoanode for water oxidation in alkaline media under AM 1.5G illumination. The PDAP-3DTiO2MSs/Ti can produce applied bias photon-to-current efficiency of 0.85% at 0.44 V vs. Pt and a photocurrent density of 1.56 mA cm−2 at 1.23 V vs. RHE. Moreover, PDAP-3DTiO2MSs/Ti displays impressive photoelectrochemical stability with 93% of its initial photocurrent being retained after 4 h of reaction. Based on physical-chemical characterization and photo-/electro-chemical measurements, the superior PEC water splitting performance of PDAP-3DTiO2MSs/Ti should benefit from the coexistence of Ti3+ and Ti4+ in 3DTiO2MSs, the light harvest capability of PDAP and the type II heterojunction formed between 3DTiO2MSs and PDAP, which result in the enhanced generation and separation of photocarriers." @default.
- W2990923918 created "2019-12-05" @default.
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- W2990923918 date "2020-01-01" @default.
- W2990923918 modified "2023-10-07" @default.
- W2990923918 title "A heterostructured catalyst composed of poly-2,6-diaminopyridine and TiO2 microspheres used as a photoanode for efficient water splitting" @default.
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- W2990923918 doi "https://doi.org/10.1016/j.ijhydene.2019.10.211" @default.
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