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Journal Articles

Alternate multilayer deposition from ammonium amphiphiles and titanium dioxide crystalline nanosheets using the Langmuir-Blodgett technique

Yamaki, Tetsuya; Asai, Keisuke*

Langmuir, 17(9), p.2564 - 2567, 2001/05

https://doi.org/10.1021/la0016423

Times Cited Count：41 Percentile：92.2(Chemistry, Multidisciplinary)

A new type of TiO $_{2}$ nanosheet-organic complex multilayer film was successfully prepared by the Langmuir-Blodgett technique. Surface pressure-area curves demonstrated that a stable monolayer of dioctadecyldimethylammonium bromide (DODAB) was formed on an aqueous suspension of TiO $_{2}$ nanosheets derived from an exfoliated layered titanate, H $_{x}$ Ti $_{2-x/4}$ □ $_{x/4}$ O $_{4}$ ・H $_{2}$ O (x0.7; □, vacancy). The hybrid monolayer of the ammonium amphiphiles and the TiO $_{2}$ nanosheet was quantitatively transferred onto a hydrophobic quartz plate to form a multilayer film. X-ray diffraction measurements confirmed the formation of an ordered structure of DODAB/TiO $_{2}$ with an interlayer distance of 3.4 nm.