Photocatalytic hydrogen evolution from water splitting,using paper as an electron donor,was achieved upon the use of a hybrid photocatalyst of mesoporous TiO_(2)decorated with Ni nanoparticles.Through the involvement ...Photocatalytic hydrogen evolution from water splitting,using paper as an electron donor,was achieved upon the use of a hybrid photocatalyst of mesoporous TiO_(2)decorated with Ni nanoparticles.Through the involvement of a Ni cocatalyst,the separation and migration of photo-generated electrons in TiO_(2)–Ni hybrids were significantly enhanced.The soluble paper in alkaline solution played the role of a sacrificial electron donor by reacting with hydroxyl radicals generated from hole oxidation with OH^(−).These findings provide an inexpensive route to drive aqueous proton reduction to hydrogen through waste biomass oxidation.展开更多
基金the National Natural Science Foundation of China(21501137)the Hubei Natural Science Foundation for financial support(2018CFB680)WL also thank the funding of Discovery Early Career Award(DECRA,No.DE180101478).The authors would like to thank Professor Rong Chen for assistance with some of the measurements.
文摘Photocatalytic hydrogen evolution from water splitting,using paper as an electron donor,was achieved upon the use of a hybrid photocatalyst of mesoporous TiO_(2)decorated with Ni nanoparticles.Through the involvement of a Ni cocatalyst,the separation and migration of photo-generated electrons in TiO_(2)–Ni hybrids were significantly enhanced.The soluble paper in alkaline solution played the role of a sacrificial electron donor by reacting with hydroxyl radicals generated from hole oxidation with OH^(−).These findings provide an inexpensive route to drive aqueous proton reduction to hydrogen through waste biomass oxidation.
