Optical and electrical characterizations of ultrathin films self-assembledfrom 11-aminoundecanoic acid capped TiO2 nanoparticles and polyallylamine hydrochloride

Authors
Cassagneau, T Fendler, JH Mallouk, TE
Citation
T. Cassagneau et al., Optical and electrical characterizations of ultrathin films self-assembledfrom 11-aminoundecanoic acid capped TiO2 nanoparticles and polyallylamine hydrochloride, LANGMUIR, 16(1), 2000, pp. 241-246
Citations number
28
Categorie Soggetti
Physical Chemistry/Chemical Physics
Journal title
LANGMUIR
ISSN journal
07437463 → ACNP
Volume
16
Issue
1
Year of publication
2000
Pages
241 - 246
Database
ISI
SICI code
0743-7463(20000111)16:1<241:OAECOU>2.0.ZU;2-T
Abstract
11-Aminoundecanoic acid capped titanium dioxide (capped-TiO2) nanoparticles (63 +/- 2 Angstrom total diameter and 20 - 24 Angstrom core diameter) and polyallylamine hydrochloride, PAK, have been layer-by-layer self-assembled onto precoated (by poly(diallyldimethylammonium chloride), PDDA, or PAH) su bstrates. The ultrathin S-PDDA(capped-TiO2/PAH)(n) (n = 5, 10, 15) films ha ve been characterized by absorption and surface plasmon spectroscopies, cyc lic voltammetry, and scanning force microscopy. AS-PDDA(capped-TiO2/PAH)(10 ) film coated by a layer of gold has been shown to function as a Schottky d iode.