Highly efficient in-situ sulfur doped graphitic carbon nitride nanoplates as an artificial photosynthetic system for NADH regeneration

Abstract

Photocatalysis reduces the challenges associated with power activities by the conversion of solar energy into chemical energy. Herein, sulfurdoped graphitic carbon nitride nanoplate (S-g-CN-NP) via polycondensation and vapor oxidative treatment methods as a promising solar light-reactive photocatalyst has been designed. The photo-mediated reduction of NAD is used to facilitate the extremely efficient solar light-driven photocatalytic selective production of nicotinamide adenine dinucleotide (NADH). The S-g-CN-NP photocatalyst shown excellent optical and photoelectrical properties, supporting an NADH yield of (97±0.010 %), which was 1.5 folds higher than that of S-g-CN powder (65-0.012%). Through the transformation of S-g-CN powder to nanoplates, the improvement of photocatalytic in S-g- CN-NP was primarily ascribed to the growth of active sites of the nanoplates. The current study focuses on the creation and use of an S-g-CN-NP photocatalyst for direct selective NADH regeneration under solar light.