Synergetic defects boost charge separation in CN for enhanced photocatalytic water splitting
Hualin Chi, Jiaxi Liu, Xiuyun Zhang, Xiaogang Xue, Doudou Zhang, Xiangcheng Lin, Pengru Huang, Lixian Sun, Jian Xiong, Ping Cai, Jian Zhang
Abstract
The synergetic modification of electronic structure by nitrogen vacancy (V<sub>N</sub>) and hydroxyl is more beneficial to carrier separation for superior photocatalytic hydrogen rates (∼2253.6 μmol h<sup>−1</sup> g<sup>−1</sup>) than merely V<sub>N</sub> modification of CN, which proved to generate deep trap states of electrons.
Topics & Concepts
PhotocatalysisMaterials scienceWater splittingVacancy defectElectronHydrogenElectronic structureNitrogenCharge carrierPhotocatalytic water splittingCharge (physics)Inorganic chemistryPhysical chemistryAtomic physicsCrystallographyCatalysisCondensed matter physicsChemistryPhysicsOptoelectronicsNuclear physicsOrganic chemistryQuantum mechanicsBiochemistryAdvanced Photocatalysis TechniquesAmmonia Synthesis and Nitrogen ReductionCopper-based nanomaterials and applications