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  Light-induced water splitting causes high-amplitude oscillation of pH-sensitive layer-by-layer Assemblies on TiO2

Ulasevich, S. A., Brezesinski, G., Möhwald, H., Fratzl, P., Schacher, F. H., Poznyak, S. K., et al. (2016). Light-induced water splitting causes high-amplitude oscillation of pH-sensitive layer-by-layer Assemblies on TiO2. Angewandte Chemie, International Edition, 55(42), 13001-13004. doi:10.1002/anie.201604359.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-1A12-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-740D-C
Genre: Journal Article

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 Creators:
Ulasevich, Sviatlana A.1, Author              
Brezesinski, Gerald2, Author              
Möhwald, Helmuth3, Author              
Fratzl, Peter4, Author              
Schacher, Felix H., Author
Poznyak, Sergey K., Author
Andreeva, Daria V., Author
Skorb, Ekaterina. V.1, Author              
Affiliations:
1Katja Skorb (Indep. Res.), Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2231640              
2Gerald Brezesinski, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863500              
3Grenzflächen, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863287              
4Peter Fratzl, Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863294              

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Free keywords: layer-by-layer assembly, polyelectrolytes, stimuli-responsive materials, TiO2, water splitting
 Abstract: We introduce a simple concept of a light induced pH change, followed by high amplitude manipulation of the mechanical properties of an adjacent polymer film. Irradiation of a titania surface is known to cause water splitting, and this can be used to reduce the environmental pH to pH 4. The mechanical modulus of an adjacent pH sensitive polymer film can thus be changed by more than an order of magnitude. The changes can be localized, maintained for hours and repeated without material destruction.

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 Dates: 2016-07-212016-10-10
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: DOI: 10.1002/anie.201604359
PMID: 0509
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Title: Angewandte Chemie, International Edition
  Other : Angewandte Chemie, International Edition in English
  Abbreviation : Angew. Chem. Int. Ed.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 55 (42) Sequence Number: - Start / End Page: 13001 - 13004 Identifier: ISSN: 0570-0833