J. Ruokolainen

Integration of single-walled carbon nanotubes into polymer films by thermo-compression (2008)

Nasibulin, A. G., Ollikainen, A., Anisimov, A. S., Brown, D. P., Pikhitsa, P. V., Holopainen, S., ...

Chemical Engineering Journal Vol.136 Nr.2 - 3, 409 - 413

Organic memory using [6,6]-phenyl-C61 butyric acid methyl ester: Morphology, thickness and concentration dependence studies (2008)

Baral, J. K., Majumdar, H. S., Laiho, A., Jiang, Hua, Kauppinen, Esko I., Ras, R. H. A., ...

Nanotechnology Vol.19 Nr.3, Art. No. 035203

One-dimensional optical reflectors based on self-organization of polymeric comb-shaped supramolecules (2003)

Kosonen, H., Valkama, S., Ruokolainen, J., Torkkeli, M., Serimaa, R., Brinke, G. Ten, ...

We demonstrate that complexation of dodecylbenzenesulphonic acid, DBSA, to a diblock copolymer of polystyrene-block-poly(4-vinylpyridine), PS-block-P4VP, leads to polymeric supramolecules...

Processible conducting nanoscale cylinders due to self-organized polyaniline supramolecules (2003)

Kosonen, H., Valkama, S., Ruokolainen, J., Knaapila, M., Torkkeli, M., Serimaa, R., ...

Polyaniline sulphonates contain hydrogen bonding acceptor sites, which allow construction of supramolecules and self-organized structures. Here we have characterized the phase behavior of complexes...

Intermediate Segregation Type Chain Length Dependence of the Long Period of Lamellar Microdomain Structures of Supramolecular Comb-Coil Diblocks (2001)

Polushkin, E., Knaapila, M., Ruokolainen, J., Torkkeli, M., Serimaa, R., ...

A characteristic intermediate segregation type chain length dependence of the long period D of the lamellar microdomain structure of a class of comb-coil supramolecules is reported. The...

Self-organized supramolecules of poly(2,5-pyridinediyl) (2001)

Knaapila, M., Ruokolainen, J., Torkkeli, M., Serimaa, R., Horsburgh, L., Monkman, A.P., ...

Polypyridines are remarkably stable and good charge transport materials having high photoluminescence quantum yield. They form supramolecules that form lamellar self-organized structures due to...

Self-organized supermolecules based on conducting polyaniline and hydrogen bonded amphiphiles (2001)

Kosonen, H., Ruokolainen, J., Knaapila, M., Torkkeli, M., Serimaa, R., Bras, W., ...

We describe a concept to achieve comb-like supermolecules by hydrogen bonding camphor sulphonic acid (CSA) doped polyaniline (PANI) to 4-Hexyl resorcinol (Hres). The supermolecules, in turn,...

"Hairy tubes": Mesoporous Materials Containing Hollow Self-organized Cylinders with Polymer Brushes at the Walls (2001)

Maki-Ontto, R., De Moel, K., De Odorico, W., Ruokolainen, J., Stamm, Manfred, Ten Brinke, G., ...

Orientation of Supramolecular Self-Organized Polymeric Nanostructures by Oscillatory Shear Flow (2000)

Mäkinen, R., Ruokolainen, J., Ikkala, O., Moel, K. De, Brinke, G. Ten, Odorico, W. De, ...

Macroscopic orientation of self-organized supramolecular polymeric materials has been demonstrated by oscillatory shear flow using in-situ small-angle X-ray scattering (SAXS). In the case when a...

Orientation of supramolecular self-organized polymeric nanostructures by oscillatory shear flow (2000)

Mäkinen, R., Ruokolainen, J., Ikkala, O., De Moel, K., Ten Brinke, G., De Odorico, W., ...

Ordering in self-organizing comb copolymer-like systems obtained by hydrogen bonding between charged or noncharged polymers and amphiphiles (1999)

Ikkala, O., Ruokolainen, J., Torkkeli, M., Tanner, J., Serimaa, R., Brinke, G. Ten

Mesomorphic structures and order–disorder transitions in comb copolymer-like systems obtained by hydrogen bonding of noncharged or charged homopolymers with amphiphiles are discussed. The...

Crystallization and Cocrystallization in Supramolecular Comb Copolymer-like Systems: Blends of Poly(4-vinylpyridine) and Pentadecylphenol (1999)

Luyten, M.C., Brinke, G. Ten, Ruokolainen, J., Ikkala, O., Torkkeli, M., ...

The solid state of comb copolymer-like systems obtained by blending poly(4-vinylpyridine) with pentadecylphenol was studied by a combination of techniques. Depending on the amount of...

Supramolecular Routes to Hierarchical Structures: Comb-Coil Diblock Copolymers Organized with Two Length Scales (1999)

Ruokolainen, J., Saariaho, M., Ikkala, O., Brinke, G. Ten, Thomas, E.L., Torkkeli, M., ...

We show that polymeric materials characterized by two length scales are obtained if diblock copolymers are mixed with amphiphilic selective solvents, leading to self-organization which combines the...

Electrical switching based on dimensionality transitions in nanostructured polymers (1999)

Ikkala, O., Ruokolainen, J., Mäkinen, R., Torkkeli, M., Serimaa, R., Mäkelä, T., ...

Supramolecular hierarchical conducting nanostructures are obtained by complexing amphiphilic oligomers with block copolymers. Nominally each pyridine group of poly(styrene)-block-poly(4-vinyl...

Ordering in Supramolecular Elastomer-Amphiphile Systems. 4. Vinylpyridine-Divinylbenzene Networks with Alkylphenols (1998)

Luyten, M.C., Wildeman, J., Brinke, G. Ten, Ruokolainen, J., Ikkala, O., ...

We report here on the extension to elastomers of the idea of inducing nanoscale ordering in supramolecular polymer systems based on the principle of hydrogen bonding between amphiphiles and (block...

Direct Imaging of Self-Organized Comb Copolymer-like Systems Obtained by Hydrogen Bonding: Poly(4-vinylpyridine)-4-Nonadecylphenol (1998)

Ruokolainen, J., Tanner, J., Ikkala, O., Brinke, G. Ten, Thomas, E.L.

Comb copolymer-like systems obtained by hydrogen bonding between flexible polymers and nonmesogenic amphiphiles represent a class of supramolecular materials with interesting self-organizing...

Switching Supramolecular Polymeric Materials with Multiple Length Scales (1998)

Ruokolainen, J., Mäkinen, R., Torkkeli, M., Mäkelä, T., Serimaa, R., Brinke, G. Ten, ...

It was demonstrated that polymeric supramolecular nanostructures with several length scales allow straightforward tailoring of hierarchical order-disorder and order-order transitions and the...

Surfactant-induced mesomorphic structures in flexible polymers (1996)

Brinke, G. Ten, Ruokolainen, J., Ikkala, O.

During the last two years, mesomorphic structures for polyelectrolytes with ionically bound surfactants have been reported. This has now been extended to the case of hydrogen bonding. For poly...

Order-disorder transitions in polymer-surfactant systems (1996)

Ruokolainen, J., Torkkeli, M., Serimaa, R., Komanschek, B.E., Ikkala, O., Brinke, G. Ten

We report on time resolved combined differential scanning calorimetry, small-angle and wide-angle x-ray scattering of hydrogen bonded flexible polymer-surfactant systems. The results show the...