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Brondijk, J.J. (author), Torricelli, F. (author), Smits, E.C.P. (author), Blom, P.W.M. (author), de Leeuw, D.M. (author)The charge injection barriers in organic field-effect transistors (OFETs) seem to be far less critical as compared to organic light-emitting diodes (OLEDs). Counter intuitively, we show that the origin is image-force lowering of the barrier due to the gate bias at the source contact, although the corresponding gate field is perpendicular to the...article 2012
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Lutgendorf, D. (author), Wessels, P.W. (author), van den Eerden, F.J.M. (author), de Roo, F. (author)Within the EU FP7 QUIESST project, QUIeting the Environment for a Sustainable Surface Transport, a test method is being developed for the reflectivity of noise barriers. The method needs to account for a complex shape of barriers and the use of various types of absorbing materials. The performance of a barrier is to be measured in the near field...conference paper 2012
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Kemerink, M. (author), Asadi, K. (author), Blom, P.W.M. (author), de Leeuw, D.M. (author)The availability of a reliable memory element is crucial for the fabrication of 'plastic' logic circuits. We use numerical simulations to show that the switching mechanism of ferroelectric-driven organic resistive switches is the stray field of the polarized ferroelectric phase. The stray field modulates the charge injection from a metallic...article 2012
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- Lu, M. (author), de Bruyn, P. (author), Nicolai, H.T. (author), Wetzelaer, G.-J.A.H. (author), Blom, P.W.M. (author) article 2012
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Tak, E.C.P.M. (author), van Uffelen, J.G.Z. (author), Paw, M.J.M.C.A. (author), van Mechelen, W. (author), Hopman-Rock, M. (author)After a randomized controlled trial showing that improvement on some aspects of cognitive function was related to adherence to an exercise program, determinants of adherence and maintenance were further studied. Older adults with mild cognitive impairment were contacted 6 mo after the end of exercise programs for a telephone interview addressing...article 2012
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Kumar, A. (author), Moet, D. (author), van der Steen, J.L. (author), van Breemen, A.J.J.M. (author), Shanmugam, S. (author), Gilot, J. (author), Andriessen, H.A.J.M. (author), Matthias, S. (author), Ruetten, W. (author), Douglas, A. (author), Raaijmakers, R. (author), Malinowski, P.E. (author), Myny, K. (author), Gelinck, G.H. (author)We demonstrate high performance X-ray imaging detectors on foil suitable for medical grade X-ray imaging applications. The detectors are based on solution-processed organic photodiodes forming bulk-heterojunctions from photovoltaic donor and acceptor blend. The organic photodiodes are deposited using an industrially compatible slot die coating...conference paper 2011
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Gholamrezaie, F. (author), Asadi, K. (author), Kicken, R.A.H.J. (author), Langeveld-Voss, B.M.W. (author), de Leeuw, D.M. (author), Blom, P.W.M. (author)We investigate the modulation of the charge injection in organic field-effect transistors with self-assembled monolayers (SAMs) using both a bottom-gate and a top-gate geometry. The current modulation by using SAMs is more pronounced in the top-gate geometry due to the better defined upper surface of the bottom source and drain electrodes. By...article 2011
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Clairbois, J.-P. (author), de Roo, F. (author), Garai, M. (author), Conter, M. (author), Defrance, J. (author), Oltean-Dumbrava, C. (author), Fusco, I. (author)The research QUIESST (QUIetening the Environment of Sustainable Surface Transport) successfully started in November 2009 for 36 months, its objectives and work schedule have already been presented at the INTERNOISE 2010 Congress. This paper will present the progress report at mid-term (18 months): the technical work packages are WP2 ...conference paper 2011
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Joosen, M.J.A. (author), van der Schans, M.J. (author), van Dijk, C.G.M. (author), Kuijpers, W.C. (author), Wortelboer, H.M. (author), van Helden, H.P.M. (author)One of the shortcomings of current treatment of nerve agent poisoning is that oximes hardly penetrate the blood-brain barrier (BBB), whereas nerve agents easily do. Increasing the concentration of oximes in the brain, would therefore provide an attractive approach to improve medical countermeasures. An explanation for limited penetration might...article 2011
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Li, X. (author), Smaal, W.T.T. (author), Kjellander, C. (author), van der Putten, B. (author), Gualandris, K. (author), Smits, E.C.P. (author), Anthony, J. (author), Broer, D.J. (author), Blom, P.W.M. (author), Genoe, J. (author), Gelinck, G.H. (author)We present a systematic study of the influence of material composition and ink-jet processing conditions on the charge transport in bottom-gate field-effect transistors based on blends of 6,13-bis(triisopropyl-silylethynyl) pentacene (TIPS-PEN) and polystyrene. After careful process optimizations of blending ratio and printing temperature we...article 2011
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de Koning, M.C. (author), van Grol, M. (author), Noort, D. (author)Commonly employed pyridinium-oxime (charged) reactivators of nerve agent inhibited acetylcholinesterase (AChE) do not readily pass the blood brain barrier (BBB) because of the presence of charge(s). Conversely, non-ionic oxime reactivators often suffer from a lack of reactivating potency due to a low affinity for the active site of AChE. It was...article 2011
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van der Eerden, F.J.M. (author), Lutgendorf, D. (author), de Roo, F. (author)Within the EU FP7 QUIESST project, QUIeting the Environment for a Sustainable Surface Transport, a test method is being developed for the reflectivity of noise barriers. The method needs to account for a complex shape of barriers and the use of various types of absorbing materials. The performance of a barrier is to be measured in the near field...conference paper 2011
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Clairbois, J.-P. (author), de Roo, F. (author), Garai, M. (author), Conter, M. (author), Defrance, J. (author), Oltean-Dumbrava, C. (author), Fusco, I. (author)Since the early 80's, one models noise propagation, in the early 90's one started to standardize how to measure the intrinsic characteristics of manufactured noise barriers: in 1997, the EU funded ADRIENNE research ([1] and [2]) was a first step, but many problems still remained. Since years, all the noise propagation software are still modeling...conference paper 2010
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Hijma, M.P. (author), van der Spek, A.J.F. (author), van Heteren, S. (author), TNO Bouw en Ondergrond (author)A proper understanding of coastal development during periods of rapid sea-level rise is a prerequisite for the prediction of future coastal response to the expected acceleration in sea-level rise. However, the development of back-barrier basins, especially in river-mouth areas, during such periods is still not well understood. Here we show the...article 2010
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Bosschaart, C. (author), Eisses, A.R. (author), van der Eerden, F.J.M. (author)Amsterdam Airport Schiphol has organized a competition to design a noise mitigating measure along the 'Polderbaan' runway. Its main goal is to reduce the low frequency (LF) ground noise from starting aircraft. The winning concept is a flexible parabolic shaped noise barrier positioned relatively close to the runway. There is a large distance...conference paper 2010
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Asadi, K. (author), Wildeman, J. (author), Blom, P.W.M. (author), de Leeuw, D.M. (author), TNO Industrie en Techniek (author)Resistive switches have been fabricated using a phase-separated blend film of ferroelectric random copolymer poly(vinylidene fluoride-co-trifluoroethylene) with the organic semiconductor regio-irregular poly(3-hexylthiophene) (rir-P3HT). Spin-coated blend films have been contacted with symmetrical Ag top and Ag bottom electrodes, yielding...article 2010
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Ren, M. (author), Gorier, H. (author), Michels, J.J. (author), Andriessen, H.A.J.M. (author), TNO Industrie en Techniek (author)The roll-to-roll manufacturing process is believed to significantly reduce the cost-price of flexible electronics. Inkjet printing of organic-based inks is a major research topic for flexible electronic applications because of its advantage of non- contact deposition and the ease for patterning for various industrial processes. We herein present...conference paper 2010
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Zhang, Y. (author), Blom, P.W.M. (author), TNO Industrie en Techniek (author)The hole injection in Schottky barriers formed between p -type doped regioregular poly(3-hexylthiophene-2,5-diyl) (rr-P3HT) and silver (Ag) is investigated. The rr-P3HT is controllably doped using the acceptor 2,3,5,6-Tetrafluoro-7,7,8,8-tetracyanoquinodimethane (F4-TCNQ). We demonstrate that only one order of magnitude increase in the...article 2010
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TNO Defensie en Veiligheid (author), van der Voort, M.M. (author), Radtke, F.K.F. (author), van Amelsfort, R.J.M. (author), Khoe, Y.S. (author), Stacke, I. (author), Voss, M. (author), Häring, I. (author)Explosive loading of a reinforced concrete ammunition magazine may result in break-up and launch of debris. Since debris throw is one of the major hazards in case of an accidental explosion, it is of high importance within risk assessment tools. Within the Klotz Group this phenomenon has been modelled and implemented in the KG Software. The...conference paper 2010
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Zhang, Y. (author), de Boer, B. (author), Blom, P.W.M. (author), TNO Industrie en Techniek (author)Here, controlled p-type doping of poly(2-methoxy-5-(20-ethylhexyloxy)- pphenylene vinylene) (MEH-PPV) deposited from solution using tetrafluorotetracyanoquinodimethane (F4-TCNQ) as a dopant is presented. By using a co-solvent, aggregation in solution can be prevented and doped films can be deposited. Upon doping the current-voltage...article 2009