Search Results - "Osterbacka, R."

A review of charge transport and recombination in polymer/fullerene organic solar cells by Pivrikas, A., Sariciftci, N. S., Juška, G., Österbacka, R.

“…The charge carrier transport and recombination in two types of thermally treated bulk‐heterojunction solar cells is reviewed: in regioregular…”
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Printed environmentally friendly supercapacitors with ionic liquid electrolytes on paper by PETTERSSON, F, KESKINEN, J, REMONEN, T, VON HERTZEN, L, JANSSON, E, TAPPURA, K, ZHANG, Y, WILEN, C.-E, ÖSTERBACKA, R

“…Environmentally friendly supercapacitors are fabricated using commercial grade aluminum coated paper as a substrate and symmetrical activated carbon electrodes…”
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Two-Dimensional Electronic Excitations in Self-Assembled Conjugated Polymer Nanocrystals by Österbacka, R., An, C. P., Jiang, X. M., Vardeny, Z. V.

“…Several spectroscopic methods were applied to study the characteristic properties of the electronic excitations in thin films of regioregular and regiorandom…”
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Bimolecular recombination coefficient as a sensitive testing parameter for low-mobility solar-cell materials by PIVRIKAS, A, JUSKA, G, MOZER, A. J, SCHARBER, M, ARLAUSKAS, K, SARICIFTCI, N. S, STUBB, H, ÖSTERBACKA, R

“…Bimolecular charge carrier recombination has been clarified in bulk-heterojunction solar cells based on a blend of regioregular poly(3-hexylthiophene) and…”
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Application of regioregular polythiophene in spintronic devices:Effect of interface by Majumdar, Sayani, Laiho, R., Laukkanen, P., Väyrynen, I. J., Majumdar, Himadri S., Österbacka, R.

“…The authors report on fabrication and characterization of a polymeric spin valve with the conjugated polymer regioregular (poly 3-hexylthiophene) (RRP3HT) as…”
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Non-Langevin bimolecular recombination in low-mobility materials by Juška, G., Arlauskas, K., Stuchlik, J., Österbacka, R.

“…We have investigated the bimolecular recombination coefficient (B) of charge carriers in low-mobility materials, in which the Langevin recombination is…”
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Charge carrier mobility and lifetime versus composition of conjugated polymer/fullerene bulk-heterojunction solar cells by Dennler, G., Mozer, A.J., Juška, G., Pivrikas, A., Österbacka, R., Fuchsbauer, A., Sariciftci, N.S.

“…Charge carrier mobility ( μ), recombination kinetics, and lifetime ( τ) have been investigated with the photo-induced charge carrier extraction by linearly…”
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Time-dependent mobility and recombination of the photoinduced charge carriers in conjugated polymer/fullerene bulk heterojunction solar cells by Mozer, A. J., Dennler, G., Sariciftci, N. S., Westerling, M., Pivrikas, A., Österbacka, R., Juška, G.

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Charge transport and recombination in bulk heterojunction solar cells studied by the photoinduced charge extraction in linearly increasing voltage technique by Mozer, A. J., Sariciftci, N. S., Lutsen, L., Vanderzande, D., Österbacka, R., Westerling, M., Juška, G.

“…Charge carrier mobility and recombination in a bulk heterojunction solar cell based on the mixture of poly[2-methoxy-5-(3,7-dimethyloctyloxy)-phenylene…”
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All-printed low-voltage organic transistors by Tobjörk, D., Kaihovirta, N.J., Mäkelä, T., Pettersson, F.S., Österbacka, R.

“…All-printed low-voltage organic transistors were manufactured on a plastic substrate and measured in normal room atmosphere. All electrodes were ink-jet…”
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Effective temperature for hopping transport in a Gaussian density of states by Jansson, F., Baranovskii, S. D., Gebhard, F., Österbacka, R.

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Spectroscopic Studies of Photoexcitations in Regioregular and Regiorandom Polythiophene Films by Jiang, X.M., Österbacka, R., Korovyanko, O., An, C.P., Horovitz, B., Janssen, R.A.J., Vardeny, Z.V.

“…Using a variety of optical probe techniques we studied the steady state and transient dynamics of charged and neutral photoexcitations in thin films of…”
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Influence of equilibrium charge reservoir formation on photo generated charge transport in TiO2/organic devices by SANDEN, S, SANDBERG, O. J, XU, Q, SMATT, J.-H, JUSKA, G, LINDEN, M, ÖSTERBACKA, R

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High-Performance All-Polymer Transistor Utilizing a Hygroscopic Insulator by Sandberg, H. G. O., Bäcklund, T. G., Österbacka, R., Stubb, H.

“…An organic transistor is presented, showing a one‐hundred‐fold increase in current level at operating voltages around 1 V and excellent current modulation (see…”
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A low-cost paper-based platform for fast and reliable screening of cellular interactions with materials by Rosqvist, E, Niemelä, E, Frisk, J, Öblom, H, Koppolu, R, Abdelkader, H, Soto Véliz, D, Mennillo, M, Venu, A P, Ihalainen, P, Aubert, M, Sandler, N, Wilén, C-E, Toivakka, M, Eriksson, J E, Österbacka, R, Peltonen, J

“…A paper-based platform was developed and tested for studies on basic cell culture, material biocompatibility, and activity of pharmaceuticals in order to…”
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Role of diffusion in two-dimensional bimolecular recombination by Nenashev, A. V., Jansson, F., Baranovskii, S. D., Österbacka, R., Dvurechenskii, A. V., Gebhard, F.

“…Experiments on carrier recombination in two-dimensional organic structures are often interpreted in the frame of the Langevin model with taking into account…”
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Hopping conduction in strong electric fields: Negative differential conductivity by Nenashev, A. V., Jansson, F., Baranovskii, S. D., Österbacka, R., Dvurechenskii, A. V., Gebhard, F.

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Recognizing and correcting for errors in frequency-dependent modulation spectroscopy by Wilson, N M, Aarnio, H, Österbacka, R

“…This work shows how to acquire reliable data from frequency dependent continuous-wave modulation spectroscopy. We demonstrate this through the example of…”
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Charge-carrier transport and recombination in thin insulating films studied via extraction of injected plasma by Juška, G., Sliaužys, G., Genevičius, K., Arlauskas, K., Pivrikas, A., Scharber, M., Dennler, G., Sariciftci, N. S., Österbacka, R.

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Mobility and density relaxation of photogenerated charge carriers in organic materials by Österbacka, R., Pivrikas, A., Juška, G., Genevičius, K., Arlauskas, K., Stubb, H.

“…We have measured mobility and density relaxation of photogenerated charge carriers in regiorandom poly(3-hexylthiophene) using novel extraction current…”
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