Hole scavenger concentration dependent photoreduction pathway of nitrobenzene catalyzed by CdS quantum dots
Chao Wang, Hawi N. Nyiera, Charlotte Fuqua, Courtney Brea, Guoxiang Hu, Tomoyasu Mani, Jing Zhao
Abstract
scavenged trapped holes at a timescale of tens of nanoseconds. These findings highlight the diverse functions of hole scavengers in photocatalysis. Their quantity and the species generated after hole scavenging can direct the reaction pathways and product selectivity.
Topics & Concepts
PhotochemistryRadicalChemistryCatalysisScavengerDensity functional theoryQuenching (fluorescence)Quantum dotPhotocatalysisUltrafast laser spectroscopyPhotoluminescenceSinglet oxygenRedoxNitrobenzeneReaction mechanismElectron paramagnetic resonanceAbsorption (acoustics)RadiolysisReaction intermediateOxygenSpin trappingAdvanced Photocatalysis TechniquesNanomaterials for catalytic reactionsTiO2 Photocatalysis and Solar Cells