title: Self-assembled dye-layered double hydroxide-Pt nanoparticles: a novel H2 evolution system with remarkably enhanced stability.
abstract: A novel photocatalytic hydrogen evolution system was constructed by using well-dispersed layered double hydroxide (LDH) to immobilize the photosensitizer (rose bengal, RB) and photocatalyst (Pt). The produced amount of H(2) from such a self-assembled RB-LDH-Pt system is a few times more than that from the Free system (without LDH). Moreover, RB-LDH-Pt can be reused for at least 6 times (still having 64% of the activity in the 6(th) run) by a simple method of centrifugation which makes this system more economical by recycling the expensive Pt. The total turnover number (TON) obtained after six runs for RB-LDH-Pt was calculated to be 304 based on Pt, which gave at least 13-fold enhancement compared with that from the Free system.
authors: School of Chemical & Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459.
authors: Jindui
authors: J
authors: Hong
authors: Yabo
authors: Y
authors: Wang
authors: Jisheng
authors: J
authors: Pan
authors: Ziyi
authors: Z
authors: Zhong
authors: Rong
authors: R
authors: Xu
mesh_terms: D004396:Coloring Agents / Q000737:chemistry*; D003460:Crystallization / Q000379:methods; D006859:Hydrogen / Q000737:chemistry*; D006878:Hydroxides / Q000737:chemistry; D046911:Macromolecular Substances / Q000737:chemistry; D008422:Materials Testing; D008968:Molecular Conformation; D049329:Nanostructures / Q000737:chemistry* / Q000648:ultrastructure*; D010316:Particle Size; D010984:Platinum / Q000737:chemistry*; D013499:Surface Properties
chemical_list: D004396:Coloring Agents; D006878:Hydroxides; D046911:Macromolecular Substances; D010984:Platinum; D006859:Hydrogen