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Triazine‐based Carbon Nitrides for Visible‐Light‐Driven Hydrogen Evolution

Katharina Schwinghammer, Brian Tuffy, Maria B. Mesch, Eva Wirnhier, Charlotte Martineau, Françis Taulelle, Wolfgang Schnick, Jürgen Senker, Bettina Valeska Lotsch

📄 Abstract

A new dimension: The doping of amorphous poly(triazine imide) (PTI) through ionothermal copolymerization of dicyandiamide with 4-amino-2,6-dihydroxypyrimidine (4AP) results in triazine-based carbon nitrides with increased photoactivity for water splitting compared to crystalline poly(triazine imide) (PTI/Li(+)Cl(-), see picture) and melon-type carbon nitrides. This family of carbon nitride semiconductors has potential as low-cost, environmentally clean photocatalysts for solar fuel production.

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