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Efficient infiltration of low molecular weight polymer in nanoporous TiO2

E. M. J. Johansson ; S. Pradhan ; Ergang Wang (Institutionen för kemi- och bioteknik, Polymerteknologi) ; E. L. Unger ; A. Hagfeldt ; Mats R. Andersson (Institutionen för kemi- och bioteknik, Polymerteknologi)
Chemical Physics Letters (0009-2614). Vol. 502 (2011), 4-6, p. 225-230.
[Artikel, refereegranskad vetenskaplig]

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.

Nyckelord: sensitized solar-cells, photovoltaic applications, interfacial, properties, device performance, hole conductor, organic-dye, oxide, heterojunctions, films, nanoparticles

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Denna post skapades 2011-03-04. Senast ändrad 2014-09-02.
CPL Pubid: 137599


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Institutionen för kemi- och bioteknik, Polymerteknologi (2005-2014)



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