Promoting H 2 O 2 production via a molten-salt-engineered carbon nitride photocatalyst in a triphasic membrane reactor

A molten-salt-engineered carbon nitride composite membrane creates a stable gas–liquid–solid interface for continuous photocatalytic H 2 O 2 synthesis, delivering a production rate of 50 mmol g −1 h −1 and a robust 20 hours of operation.