Synthesis and characterization of tio2 thin films on organic self-assembled monolayers: Part i. film formation from aqueous solutions

H. Shin, R. J. Collins, M. R. De Guire, A. H. Heuer, C. N. Sukenik

Research output: Contribution to journalArticlepeer-review

176 Scopus citations

Abstract

Self-assembled monolayers (SAMs) bearing sulfonate (-S03H) surface functional groups, on single-crystal Si wafers, were used as substrates for the deposition of Ti02 thin films from aqueous solutions. Polycrystalline Ti02 thin films over 50 nm thick formed in 2 h by hydrolysis of TiCl4 in aqueous HC1 solutions at 80 °C. The films were pore-free, showed excellent adherence and uniformity, and consisted of anatase crystallites 2–4 nm in diameter. Annealing at temperatures up to 600 °C caused coarsening of the anatase grains, but no loss of adherence or structural integrity.

Original languageEnglish
Pages (from-to)692-698
Number of pages7
JournalJournal of Materials Research
Volume10
Issue number3
DOIs
StatePublished - 1995
Externally publishedYes

Bibliographical note

Funding Information:
This work was supported by the Air Force Office of Scientific Research with supplemental funding from an Augmentation Award for Scientific and Engineering Research Training. The assistance of Dr. Wayne Jennings with the surface analysis, Mr. John Sears with TEM, and helpful discussions with Ms. Mou Maiti, are gratefully acknowledged.

Funding

This work was supported by the Air Force Office of Scientific Research with supplemental funding from an Augmentation Award for Scientific and Engineering Research Training. The assistance of Dr. Wayne Jennings with the surface analysis, Mr. John Sears with TEM, and helpful discussions with Ms. Mou Maiti, are gratefully acknowledged.

FundersFunder number
Air Force Office of Scientific Research

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