Efficient infiltration of low molecular weight polymer in nanoporous TiO2.

Erik Johansson; Sulena Pradhan; Ergang Wang; Eva Unger; Anders Hagfeldt; Mats R. Andersson

doi:10.1016/j.cplett.2010.12.062

Efficient infiltration of low molecular weight polymer in nanoporous TiO2.

Erik Johansson, Sulena Pradhan, Ergang Wang, Eva Unger, Anders Hagfeldt, Mats R. Andersson

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

The polymer APFO3 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.

Original language	English
Pages (from-to)	225-230
Number of pages	6
Journal	Chemical Physics Letters
Volume	502
Issue number	4-6
DOIs	https://doi.org/10.1016/j.cplett.2010.12.062
Publication status	Published - 27 Jan 2011

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10.1016/j.cplett.2010.12.062

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abstract = "The polymer APFO3 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.",

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AU - Johansson, Erik

AU - Pradhan, Sulena

AU - Wang, Ergang

AU - Unger, Eva

AU - Hagfeldt, Anders

AU - Andersson, Mats R.

PY - 2011/1/27

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N2 - The polymer APFO3 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.

AB - The polymer APFO3 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.

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JF - Chemical Physics Letters

SN - 0009-2614

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Efficient infiltration of low molecular weight polymer in nanoporous TiO2.

Abstract

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