title: Immobilization and recovery of au nanoparticles from anion exchange resin: resin-bound nanoparticle matrix as a catalyst for the reduction of 4-nitrophenol.
abstract: The immobilization of gold nanoparticles in anion exchange resin and their quantitative retrieval by means of a cationic surfactant, cetylpyridinium chloride, is studied. The resin-bound gold nanoparticles (R-Au) have been used successfully as a solid-phase catalyst for the reduction of 4-nitrophenol by sodium borohydride. At the end of the reaction, the solid matrix remains activated and separated from the product. The recycling of catalyst particles after the quantitative reduction of 4-nitrophenol and the recovery of gold nanoparticles with unaffected particle morphology from the resin-bound gold nanoparticle entity have been reported.
authors.affiliation: Department of Chemistry, Indian Institute of Technology, Kharagpur-721302, India.
authors.forename: Snigdhamayee
authors.initials: S
authors.lastname: Praharaj
authors.forename: Sudip
authors.initials: S
authors.lastname: Nath
authors.forename: Sujit Kumar
authors.initials: SK
authors.lastname: Ghosh
authors.forename: Subrata
authors.initials: S
authors.lastname: Kundu
authors.forename: Tarasankar
authors.initials: T
authors.lastname: Pal