Question

A metal-free polymeric photocatalyst for hydrogen production from water under visible light doi number

Answer 1

These results indicate that g-C3N4 functions as a stable 'metal-free' photocatalyst for visible-light-driven H2 production. However, the H2 evolution activity of bare g-C3N4 was fluctuant, and exhibited variation from batch to batch (0.1–4 μmol h−1).

Answer 2

Besides, it should be non-toxic, abundant and easily processable into a desired shape. During the past 30 years, various inorganic semiconductors and molecular assemblies have been developed as catalysts for hydrogen production from water under visible light1,2,3,4,5,6,7,8,9,10,11,12.