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Stamping of Monomeric SAMs as a Route to Structured Crystallization Templates: Patterned Titania Films
Author(s) -
Bartz Marcus,
Terfort Andreas,
Knoll Wolfgang,
Tremel Wolfgang
Publication year - 2000
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/1521-3765(20001117)6:22<4149::aid-chem4149>3.0.co;2-p
Subject(s) - materials science , styrene , monomer , crystallization , polymerization , chemical engineering , template , scanning electron microscope , monolayer , titanium , microstructure , nanotechnology , precipitation , surface plasmon resonance , copolymer , polymer chemistry , polymer , nanoparticle , composite material , metallurgy , engineering , physics , meteorology
Gold‐coated glass slides have be patterned by using self‐assembled monolayers (SAM) of alkane thiols. Through the use of a special thiol terminated with a styrene monomer, microstructures of 5 to 10 μm width and 70 Å height have been formed on the surface by graft polymerization of styrene. These patterned gold slides have then been used to template the precipitation of thin titania films from ethanolic solutions of titanium isopropoxide to create microstructured architectures in the film. Plasmon resonance spectra have established the presence of different steps in the process and have been used to follow the kinetics of the precipitation of titania on the surface. The structured TiO 2 films have been characterized by scanning electron microscopy.