6533b851fe1ef96bd12a992f

RESEARCH PRODUCT

Photocatalytic printing of inorganic nanopatterns via poly(styrene-block-carbosilane) copolymer thin films on titania substrates.

Dong Ha KimHolger FreyAlejandra Garcia MarcosSeong-jun JeongJuan Peng

subject

Materials scienceAnnealing (metallurgy)Metals and AlloysGeneral ChemistryCatalysisSurfaces Coatings and FilmsElectronic Optical and Magnetic MaterialsStyrenechemistry.chemical_compoundChemical engineeringchemistryMaterials ChemistryCeramics and CompositesPhotocatalysisCopolymerAcetoneOrganic chemistryNanodotThin filmNanoscopic scale

description

Well-defined, ordered arrays of nanoscale depressions were obtained in linear-brush-type polystyrene-block-polycarbosilane (PS-b-PCS) diblock copolymer thin films by acetone vapor annealing and silica nanodot arrays were directly obtained from such thin films deposited on a titania substrate by one-step exposure to UV light as a result of transformation of the PCS units to silica, driven by the photocatalytic activity of titania concurrent with removal of the organic matrix.

10.1039/b816398ghttps://pubmed.ncbi.nlm.nih.gov/19225646