Titania Nanofilms from Titanium Complex-Containing Polymer Langmuir-Blodgett Films

This paper proposes a method of fabricating low-dimensional TiO2 nanofilms at room temperature under ambient pressure conditions. The titanium-containing polymer complex Ti-p(DDA/acac) was synthesized by reacting an amphiphilic copolymer (p(DDA/acac)) with a titanium complex. Its ultrathin films wer...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 36(2020), 35 vom: 08. Sept., Seite 10371-10378
1. Verfasser: Yamamoto, Shunsuke (VerfasserIn)
Weitere Verfasser: Ono, Asami, Matsui, Jun, Hoshino, Norihisa, Akutagawa, Tomoyuki, Miyashita, Tokuji, Mitsuishi, Masaya
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a This paper proposes a method of fabricating low-dimensional TiO2 nanofilms at room temperature under ambient pressure conditions. The titanium-containing polymer complex Ti-p(DDA/acac) was synthesized by reacting an amphiphilic copolymer (p(DDA/acac)) with a titanium complex. Its ultrathin films were prepared using the Langmuir-Blodgett (LB) technique. The monolayer was found to be free from hydrolysis and cross-linking side reactions, even at the air-water interface. The transferred LB films (nanosheets) were oxidized by ultraviolet irradiation at room temperature. The photo-oxidized material has an amorphous and porous structure with subnanometer-scale controllability (0.18 nm per layer). Photocatalytic performance was demonstrated by converting multilayered LB films of Ti-(DDA/acac) and the silicon-containing polymer p(DDA/SQ) into ultrathin hetero-multilayers of TiO2 and SiO2 under UV-O3 treatment. The scalability affords a uniform photopattern formation of photo-oxidized TiO2 films over several hundreds of micrometers 
650 4 |a Journal Article 
700 1 |a Ono, Asami  |e verfasserin  |4 aut 
700 1 |a Matsui, Jun  |e verfasserin  |4 aut 
700 1 |a Hoshino, Norihisa  |e verfasserin  |4 aut 
700 1 |a Akutagawa, Tomoyuki  |e verfasserin  |4 aut 
700 1 |a Miyashita, Tokuji  |e verfasserin  |4 aut 
700 1 |a Mitsuishi, Masaya  |e verfasserin  |4 aut 
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