Biomimetic pathways for assembling inorganic thin films

I. A. Aksay, M. Trau, Srinivas Manne, I. Honma, N. Yao, L. Zhou, P. Fenter, P. M. Eisenberger, S. M. Gruner

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Abstract

Living organisms construct various forms of laminated nanocomposites through directed nucleation and growth of inorganics at self-assembled organic templates at temperatures below 100°C and in aqueous solutions. Recent research has focused on the use of functionalized organic surfaces to form continuous thin films of single-phase ceramics. Continuous thin films of mesostructured silicates have also been formed on hydrophobic and hydrophilic surfaces through a two-step mechanism. First, under acidic conditions, surfactant micellar structures are self-assembled at the solid/liquid interface, and second, inorganic precursors condense to form an inorganic- organic nanocomposite. Epitaxial coordination of adsorbed surfactant tubules is observed on mica and graphite substrates, whereas a random arrangement is observed on amorphous silica. The ability to process ceramic-organic nanocomposite films by these methods provides new technological opportunities.

Original languageEnglish (US)
Pages (from-to)892-898
Number of pages7
JournalScience
Volume273
Issue number5277
Publication statusPublished - Aug 16 1996
Externally publishedYes

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Aksay, I. A., Trau, M., Manne, S., Honma, I., Yao, N., Zhou, L., ... Gruner, S. M. (1996). Biomimetic pathways for assembling inorganic thin films. Science, 273(5277), 892-898.