Covalent Attachment of Gold Nanoparticles to Surfaces and Polymeric Substrates Using UV Light | Zendy

Roth Peter J. | Zendy; Theato Patrick | Zendy

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Covalent Attachment of Gold Nanoparticles to Surfaces and Polymeric Substrates Using UV Light

Author(s) -

Roth Peter J.,

Theato Patrick

Publication year - 2012

Publication title -

macromolecular chemistry and physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.57

H-Index - 112

eISSN - 1521-3935

pISSN - 1022-1352

DOI - 10.1002/macp.201200485

Subject(s) - benzophenone , covalent bond , polymer chemistry , chemistry , polymer , photochemistry , colloidal gold , nanoparticle , condensation polymer , polycarbonate , microparticle , materials science , organic chemistry , chemical engineering , nanotechnology , engineering

Uniform benzophenone‐covered AuNP (Bph‐AuNP) were prepared in a two‐phase ethyl acetate/water reduction of auric acid employing a benzophenone‐functionalized disulfide. Upon UV irradiation, the benzophenone carbonyl bond was excited allowing for insertion into a nearby C–H bond and thus a covalent attachment of the AuNP onto a substrate exhibiting C–H bonds. Using this technique, polycarbonate–gold core–shell particles were easily obtained, providing a simple synthetic pathway toward AuNP hybrids with polycondensation polymers. Bph‐AuNP were also covalently attached to alkylated silica microspheres or cellulose paper. UV irradiation through a photo mask enabled a photolithographic surface patterning.

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