Surface Engineering for Extremely Enhanced Charge Separation and Photocatalytic Hydrogen Evolution on g-C<sub>3</sub> N<sub>4</sub>.
basic_science · Level V
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- Record sourced from PubMed, PMID 29333629.
- Also identified by DOI 10.1002/adma.201705060.
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Abstract
Reinforcing the carrier separation is the key issue to maximize the photocatalytic hydrogen evolution (PHE) efficiency of graphitic carbon nitride (g-C<sub>3</sub> N<sub>4</sub> ). By a surface engineering of gradual doping of graphited carbon rings within g-C<sub>3</sub> N<sub>4</sub> , suitable energy band structures and built-in electric fields are established. Photoinduced electrons and holes are impelled into diverse directions, leading to a 21-fold improvement in the PHE rate.