title: High thermal stability of block copolymer-capped Au and Cu nanoparticles.
abstract: Producing solution-based metal nanoparticles that do not agglomerate at elevated temperatures remains challenging. We show that thermally stable Au and Cu nanoparticles can be prepared using polystyrene-poly(4-vinylpyridine) diblock copolymers as capping agents. These materials remain stable when their solutions are subjected to prolonged heating up to 160 °C for more than 48 h. These conditions are sufficient for applications in most wet chemical processes and reactions.
authors.affiliation: Department of Chemistry, Centre for Self-Assembled Chemical Structures, McGill University, 801 Sherbrooke St. West, Montreal (QC) H3A 2K6, Canada. dmitrii.perepichka@mcgill.ca bruce.lennox@mcgill.ca.
authors.forename: Iryna I
authors.initials: II
authors.lastname: Perepichka
authors.forename: Mohamed A
authors.initials: MA
authors.lastname: Mezour
authors.forename: Dmitrii F
authors.initials: DF
authors.lastname: Perepichka
authors.forename: R Bruce
authors.initials: RB
authors.lastname: Lennox
mesh_terms: D003300:Copper / Q000737:chemistry*; D006046:Gold / Q000737:chemistry*; D006358:Hot Temperature; D053768:Metal Nanoparticles / Q000737:chemistry* / Q000648:ultrastructure; D011137:Polystyrenes / Q000737:chemistry*; D011145:Polyvinyls / Q000737:chemistry*; D011725:Pyridines / Q000737:chemistry*
chemical_list: D011137:Polystyrenes; D011145:Polyvinyls; D011725:Pyridines; C509607:polystyrene-block-poly(4-vinylpyridine); D006046:Gold; D003300:Copper