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Efficient infiltration of low molecular weight polymer in nanoporous TiO2
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Physical and Analytical Chemistry, Physical Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Physical and Analytical Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Physical and Analytical Chemistry, Physical Chemistry.
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2011 (English)In: Chemical Physics Letters, ISSN 0009-2614, E-ISSN 1873-4448, Vol. 502, no 4-6, 225-230 p.Article in journal (Refereed) Published
Abstract [en]

The polymer APFO(3) was prepared with different molecular weights to study how the infiltration into nanoporous TiO2 films of different thickness depends on the size of the polymer. Also two different sizes of TiO2 nanoparticles were investigated to understand the effect of different pore size. It was observed that the lowest molecular weight polymer dissolved in chlorobenzene could infiltrate the nanoporous TiO2 network up to several micrometer thick films. It was concluded that efficient polymer infiltration into thick nanoporous layers was possible for the polymers with an estimated average chain length smaller than the diameter of the nanoparticles.

Place, publisher, year, edition, pages
2011. Vol. 502, no 4-6, 225-230 p.
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Chemical Sciences
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URN: urn:nbn:se:uu:diva-148144DOI: 10.1016/j.cplett.2010.12.062ISI: 000286417800019OAI: oai:DiVA.org:uu-148144DiVA: diva2:401428
Available from: 2011-03-02 Created: 2011-03-02 Last updated: 2017-12-11Bibliographically approved

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Johansson, Erik M. J.Unger, Eva LHagfeldt, Anders

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