Single‐Atom Pt as Co‐Catalyst for Enhanced Photocatalytic H2 Evolution

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Abstract
Isolated single-atom platinum (Pt) embedded in the sub-nanoporosity of 2D g-C3N4 as a new form of co-catalyst is reported. The highly stable single-atom co-catalyst maximizes the atom efficiency and alters the surface trap states of g-C3N4, leading to significantly enhanced photocatalytic H2 evolution activity, 8.6 times higher than that of Pt nanoparticles and up to 50 times that for bare g-C3N4.
Funding Information
  • National Basic Research Program of China (2015CB932302)
  • National Natural Science Foundation of China (21222101, U1432133, 11132009, 21331005, 11321503, U1532265, J1030412, 21173205, 91127042, 11275227, 11179006, 21421063, 21573211)
  • Chinese Academy of Sciences (XDB01020000)
  • Fok Ying-Tong Education Foundation, China (141042)
  • Fundamental Research Funds for the Central Universities (WK2060190027, WK2340000063)