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Gelinck, G.H. (author), Cobb, B. (author), van Breemen, A.J.J.M. (author), Myny, K. (author)Ferroelectric polymers and amorphous metal oxide semiconductors have emerged as important materials for re-programmable non-volatile memories and high-performance, flexible thin-film transistors, respectively. However, realizing sophisticated transistor memory arrays has proven to be a challenge, and demonstrating reliable writing to and reading...article 2015
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Khan, M.U. (author), Justice, J. (author), Petäjä, J. (author), Korhonen, T. (author), Boersma, A. (author), Wiegersma, S. (author), Karppinen, M. (author), Corbett, B. (author)Single and multi-layer passive optical interconnects using single mode polymer waveguides are demonstrated using UV nano-imprint lithography. The fabrication tolerances associated with imprint lithography are investigated and we show a way to experimentally quantify a small variation in index contrast between core and cladding of fabricated...article 2015
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Fan, J.T. (author), Weerheijm, J. (author), Sluys, L.J. (author)The glass interface effect on dynamic tensile response of a soft polyurethane elastomeric polymer material has been investigated by subjecting a glass-polymer system of this polymer material matrix embedded a single 3 mm-diameter glass particle to impact loading in a split Hopkinson tension bar (SHTB) setup. The characteristics of the dynamic...article 2015
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van Breemen, A.J.J.M. (author), Zaba, T. (author), Khikhlovskyi, V. (author), Michels, J. (author), Janssen, R. (author), Kemerink, M. (author), Gelinck, G. (author)The polymer phase separation of P(VDF-TrFE):F8BT blends is studied in detail. Its morphology is key to the operation and performance of memory diodes. In this study, it is demonstrated that it is possible to direct the semiconducting domains of a phase-separating mixture of P(VDF-TrFE) and F8BT in a thin film into a highly ordered 2D lattice by...article 2015
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Karppinen, M. (author), Salminen, N. (author), Korhonen, T. (author), Alajoki, T. (author), Petäjä, J. (author), Bosman, E. (author), van Steenberge, G. (author), Justice, J. (author), Khan, U. (author), Corbett, B. (author), Boersma, A. (author)Polymer-based integrated optics is attractive for inter-chip optical interconnection applications, for instance, for coupling photonic devices to fibers in high density packaging. In such a hybrid integration scheme, a key challenge is to achieve efficient optical coupling between the photonic chips and waveguides. With the single-mode polymer...conference paper 2015
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Deutz, D.B. (author), Tempelman, E. (author), van der Zwaag, S. (author), Groen, W.A. (author)To enable the design of more intuitive product user interfaces, the prospects of matching piezoelectric touch sensors with flexible organic light emitting diode (OLED) technology are investigated. Low stiffness piezoelectric composite sensors, combining piezoelectric Pb(Zr,Ti)O3 powder with a polymer matrix, are prepared and compared to existing...article 2015
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Cai, R. (author), Kassa, H.G. (author), Marrani, A. (author), van Breemen, A.J.J.M. (author), Gelinck, G.H. (author), Nysten, B. (author), Hu, Z. (author), Jonas, A.M. (author)Ferroelectric poly(vinylidene fluoride-co-trifluoroethylene), P(VDF-TrFE), is increasingly used in organic non-volatile memory devices, e.g., in ferroelectric field effect transistors (FeFETs). Here, we report on FeFETs integrating nanoimprinted arrays of P(VDF-TrFE) nanowires. Two previously-unreported architectures are tested, the first one...conference paper 2015
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Khikhlovskyi, V. (author), van Breemen, A.J.J.M. (author), Michels, J.J. (author), Janssen, R.A.J. (author), Gelinck, G.H. (author), Kemerink, M. (author)In many organic electronic devices functionality is achieved by blending two or more materials, typically polymers or molecules, with distinctly different optical or electrical properties in a single film. The local scale morphology of such blends is vital for the device performance. Here, a simple approach to study the full 3D morphology of...article 2015
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Beusink, M. (author), Valega Mackenzie, F.O. (author), Coenen, E.W.C. (author)At present several material combinations are fabricated to cover the demands of ubiquitous applications. In the case of meta materials, properties are greatly affected not only by composition and shape, but also by interfacial strength and directionality of the patterned substructure. In this work a bottom-up approach is chosen to characterize...conference paper 2014
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Boersma, A. (author), van Ee, R.J. (author), Stevens, R.S.A. (author), Saalmink, M. (author), Charlton, M.D.B. (author), Pollard, M.E. (author), Chen, R. (author), Kontturi, V. (author), Karioja, P. (author), Alajoki, T. (author)This paper describes experimental measurement results for photonic crystal sensor devices which have been functionalized for gas sensing applications. The sensor consists of a two dimensional photonic crystal etched into a slab waveguide having a refractive index of 1.7-1.9. Test devices were fabricated from SiON material on silicon/ silicon...conference paper 2014
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Grossiord, N. (author), de Bruyn, P. (author), Moet, D.J.D. (author), Andriessen, R. (author), Blom, P.W.M. (author)A wide range of characterization techniques are used to study spin-coated films of zinc oxide (ZnO) obtained from thermal decomposition of zinc acetylacetonate hydrate. Inverted organic solar cells with ZnO transport layers were prepared. Deposition conditions of the solution onto the substrate (e.g. substrate temperature) were found to be...article 2014
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Galagan, Y.O. (author), Coenen, E.W.C. (author), Zimmermann, B. (author), Slooff, L.H. (author), Verhees, W.J.H. (author), Veenstra, S.C. (author), Kroon, J.M. (author), Jørgensen, M. (author), Krebs, F.C. (author), Andriessen, H.A.J.M. (author)Indium-tin-oxide-free (ITO-free) polymer solar cells with composite electrodes containing current-collecting grids and a semitransparent poly(3,4-ethylenedioxythiophene):polystyrenesulfonate) (PEDOT:PSS) conductor are demonstrated. The up-scaling of the length of the solar cell from 1 to 6 cm and the effect of the grid line resistance are...article 2014
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Karioja, P. (author), Hiltunen, J. (author), Aikio, S.M. (author), Alajoki, T. (author), Tuominen, J. (author), Hiltunen, M. (author), Siitonen, S. (author), Kontturi, V. (author), Böhlen, K. (author), Hauser, R. (author), Charlton, M. (author), Boersma, A. (author), Lieberzeit, P. (author), Felder, T. (author), Eustace, D. (author), Haskal, E. (author)Polymers have become an important material group in fabricating discrete photonic components and integrated optical devices. This is due to their good properties: high optical transmittance, versatile processability at relative low temperatures and potential for low-cost production. Recently, nanoimprinting or nanoimprint lithography (NIL) has...conference paper 2014
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Nougaret, L. (author), Kassa, H.G. (author), Cai, R. (author), Patois, T. (author), Nysten, B. (author), van Breemen, A.J.J.M. (author), Gelinck, G.H. (author), de Leeuw, D.M. (author), Marrani, A. (author), Hu, Z. (author), Jonas†, A.M. (author)We demonstrate the design of a multifunctional organic layer by the rational combination of nanosized regions of two functional polymers. Instead of relying on a spontaneous and random phase separation process or on the tedious synthesis of block copolymers, the method involves the nanomolding of a first component, followed by the filling of the...article 2014
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Khanbareh, H. (author), van der Zwaag, S. (author), Groen, W.A. (author)Polymer-ceramic composites with pyroelectric sensitivity are presented as promising candidates for infrared detection. Selection of the appropriate ceramic filler and the polymer matrix is one of the key parameters in the development of optimized materials for specific applications. In this work lead-titanate (PT) ceramic is incorporated into a...conference paper 2014
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Liu, G. (author), Nielsen, E. (author), Komacka, J. (author), Greet, L. (author), Ven, M.V.D. (author)This study investigated the ageing properties of the styrene-butadiene- styrene polymer modified bitumen (SBS PMB) from the laboratory to the field. The virgin SBS PMB had been kept for 23 years and its field-aged binder was extracted from the reclaimed stone matrix asphalt (SMA) after the 22-year service time. The rotating cylinder ageing test ...article 2014
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- Arias Espinoza, J.D. (author), Sazhnikov, V. (author), Smits, E.C.P. (author), Ionov, D. (author), Kononevich, Y. (author), Yakimets, I. (author), Alfimov, M. (author), Schoo, H.F.M. (author) article 2014
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van der Zwaag, S. (author), van der Ende, D.A. (author), Groen, W.A. (author)This chapter describes the development and properties of novel functional composite materials consisting of aligned piezo-ceramic particles or fibers in a polymeric matrix, which can be fully integrated in thermoset or thermoplastic products. The materials have a low potential for applications requiring actuation but have attractive sensorial...bookPart 2014
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James, N.K. (author), Lafont, U. (author), van der Zwaag, S. (author), Groen, W.A. (author)Piezoelectric ceramic-polymer composites with 0-3 connectivity were fabricated using lead zirconium titanate (PZT) powder dispersed in an ionomer (Zn ionomer) and its reference ethylene methacrylic acid copolymer (EMAA) polymer matrix. The PZT-Zn ionomer and PZT-EMAA composites were prepared by melt extrusion followed by hot pressing. The...article 2014
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Bosman, E. (author), Elmogi, A. (author), Wiegersma, S. (author), van den Berg, H. (author), Ortsiefer, M. (author), Daly, A. (author), Duis, J. (author), van Steenberge, G. (author)A novel coupling approach for single mode VCSELs and planar optical waveguides is presented. The coupling is based on the embedding of the VCSELs inside the substrate and the adaptive fabrication of waveguides on top.conference paper 2014