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Akkerman, H. (author), Peeters, B. (author), van Breemen, A. (author), Shanmugam, S. (author), Ugalde Lopez, L. (author), Tordera, D. (author), van de Ketterij, R. (author), Delvitto, E. (author), Malinowski, P. (author), Ke, T.-H. (author), De Roose, F. (author), Moreno Hagelsieb, L. (author), Katsouras, I. (author), Kronemeijer, A.J. (author), Meulenkamp, E. (author), Gelinck, G. (author)In recent years there is an increasing interest to integrate optical sensing in mobile displays, for instance, for biometric fingerprint scanning functionality. There are several routes to incorporate optical fingerprint functionality within the full display area, each with their own benefits and challenges. Here we investigate the different...conference paper 2021
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Ke, T.-H. (author), Epimitheas, E. (author), Molina Alvarez, G. (author), Vandenplas, E. (author), Moreno Hagelsieb, L. (author), Akkerman, H. (author), Shanmugam, S. (author), van Breemen, A. (author), Heremans, P. (author), Malinowski, P. (author)We apply a photolithographic patterning process to integrate a green phosphorescent organic light emitting diode (OLED) with a polymer‐based organic photodetector (OPD) side‐by‐side with resolution up to 635 ppi. The characteristics of OLED and OPD before and after patterning are investigated. The crosstalk between OLED and OPD subpixels and the...conference paper 2021
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Deumel, S. (author), van Breemen, A.J.J.M. (author), Gelinck, G. (author), Peeters, B. (author), Maas, J. (author), Verbeek, R. (author), Shanmugam, S. (author), Akkerman, H. (author), Meulenkamp, E. (author), Huerdler, J.E. (author), Acharya, M. (author), García-Batlle, M. (author)To realize the potential of artificial intelligence in medical imaging, improvements in imaging capabilities are required, as well as advances in computing power and algorithms. Hybrid inorganic–organic metal halide perovskites, such as methylammonium lead triiodide (MAPbI3), offer strong X-ray absorption, high carrier mobilities (μ) and long...article 2021
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Tordera, D. (author), Peeters, B. (author), Delvitto, E. (author), Shanmugam, S. (author), Maas, J. (author), de Riet, J. (author), Verbeek, R. (author), van de Laar, R. (author), Bel, T. (author), Haas, G. (author), Ugalde, L. (author), van Breemen, A. (author), Katsouras, I. (author), Kronemeijer, A.J. (author), Akkerman, H. (author), Meulenkamp, E. (author), Gelinck, G. (author)We combine a low dark current and high-detectivity near-infrared (NIR)-sensitive organic photodetector with a high-resolution 508 pixels per inch (ppi) oxide thin-film transistor (TFT) backplane to create a large-area thin NIR detector, using processes that are compatible with flat-panel display fabrication. The detector is characterized showing...article 2020
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van Breemen, A.J.J.M. (author), Simon, M. (author), Tousignant, O. (author), Shanmugam, S. (author), der J.L. Steen, van (author), Akkerman, H.B. (author), Kronemeijer, A. (author), Ruetten, W. (author), Raaijmakers, R. (author), Alving, L. (author), Jacobs, J. (author), Malinowski, P.E. (author), de Roose, F. (author), Gelinck, G.H. (author)A curved image sensor on plastic foil has been developed for cone beam computed tomography (CBCT) X-ray imaging. The image sensor of about 6 × 8 cm2 size has been built on a thin polyimide foil with an indium gallium zinc oxide (IGZO) backplane and an organic photodetectors (OPD) frontplane. A flexible cesium iodide (CsI) scintillator has been...article 2020
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Tordera, D. (author), Peeters, B. (author), Akkerman, H.B. (author), van Breemen, A.J.J.M. (author), Maas, J. (author), Shanmugam, S. (author), Kronemeijer, A.J. (author), Gelinck, G.H. (author)Organic photodetectors (OPDs) have attracted much attention in recent years, due to their promise in large-area light sensing applications. Here, high-resolution slot-die-coated large-area bulk heterojunction organic photodiode (OPD) arrays are reported. The OPD uses a novel electron transport layer, indium gallium zinc oxide in combination with...article 2019
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Malinowski, P.E. (author), Ke, T.-H. (author), Akkerman, H. (author), Nakamura, A. (author), Shanmugam, S. (author), van Breemen, A. (author), Velpen, D.V. (author), Vandenplas, E. (author), Hagelsieb, L.M. (author), Verscheuren, L. (author), Genoe, J. (author), Dehaene, W. (author), Kronemeier, A.J. (author), Steudel, S. (author), Gelinck, G. (author), Heremans, P. (author)Patterning organic materials by photolithography enables not only high-resolution, side-by-side RGB OLED arrays, but also the introduction of organic photodetector in the same frontplane. We show patterned active matrix displays processed on flexible backplane. Furthermore, we demonstrate OPD patterning proof-of-concept. These are the building...conference paper 2019
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Ciammaruchi, L. (author), Oliveira, R. (author), Charas, A. (author), von Hauff, E. (author), Polino, G. (author), Brunetti, F. (author), Hansson, R. (author), Moons, E. (author), Krassas, M. (author), Kakavelakis, G. (author), Kymakis, E. (author), Sánchez, J.G. (author), Ferre-Borrull, J. (author), Marsal, L.F. (author), Züfle, S. (author), Fluhr, D. (author), Roesch, R. (author), Faber, T. (author), Schubert, U.S. (author), Hoppe, H. (author), Bakker, N.J. (author), Veenstra, S.C. (author), Zanotti, G. (author), Katz, E.A. (author), Apilo, P. (author), Romero, B. (author), Tumay, T.A. (author), Parlak, E. (author), Stagno, L.M. (author), Turkovic, V. (author), Rubahn, H.G. (author), Madsen, M. (author), Kažukauskas, V. (author), Tanenbaum, D.M. (author), Shanmugam, S. (author), Galagan, Y. (author)This work is part of the interlaboratory collaboration to study the stability of organic solar cells containing PCDTBT polymer as a donor material. The varieties of the OPV devices with different device architectures, electrode materials, encapsulation, and device dimensions were prepared by seven research laboratories. Sets of identical devices...article 2018
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Najafi, M. (author), Di Giacomo, F. (author), Zhang, D. (author), Shanmugam, S. (author), Senes, A. (author), Verhees, W. (author), Hadipour, A. (author), Galagan, Y. (author), Aernouts, T. (author), Veenstra, S. (author), Andriessen, R. (author)In this study, the fabrication of highly efficient and durable flexible inverted perovskite solar cells (PSCs) is reported. Presynthesized, solution-derived NiOx and ZnO nanoparticles films are employed at room temperature as a hole transport layer (HTL) and electron transport layer (ETL), respectively. The triple cation perovskite films are...article 2018
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di Giacomo, F. (author), Galagan, Y. (author), Shanmugam, S. (author), Gorter, H. (author), van den Bruele, F. (author), Kirchner, G. (author), de Vries, I. (author), Fledderus, H. (author), Lifka, H. (author), Veenstra, S. (author), Aernouts, T. (author), Groen, P. (author), Andrissen, R. (author)Organometallic halide perovskite solar cells (PSCs) are extremely promising novel materials for thin-film photovoltaics, exhibiting efficiencies over 22% on glass and over 17% on foil 1, 2. First, a sheet-to-sheet (S2S) production of PSCs and modules on 152x152 mm2 substrates was established, using a combination of sputtering, e-beam evaporation...conference paper 2017
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Gelinck, G.H. (author), Kumar, A. (author), Moet, D. (author), van der Steen, J.L.P.J. (author), van Breemen, A.J.J.M. (author), Shanmugam, S. (author), Langen, A. (author), Gilot, J. (author), Groen, W.A. (author), Andriessen, H.A.J.M. (author), Simon, M. (author), Ruetten, W. (author), Douglas, A.U. (author), Raaijmakers, R. (author), Malinowski, P.E. (author), Myny, K. (author)We made and characterized an X-ray detector on a 25-ìm-thick plastic substrate that is capable of medicalgrade performance. As an indirect conversion flat panel detector, it combined a standard scintillator with an organic photodetector (OPD) layer and oxide thin-film transistor backplane. Using solution-processed organic bulk heterojunction...article 2016
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Polino, G. (author), Shanmugam, S. (author), Bex, G.J.P. (author), Abbel, R.J. (author), Brunetti, F. (author), Di Carlo, A. (author), Andriessen, H.A.J.M. (author), Galagan, Y.O. (author)A study of the photonic flash sintering of a silver nanoparticle ink printed as the back electrode for organic solar cells is presented. A number of sintering settings with different intensities and pulse durations have been tested on both full-area and grid-based silver electrodes, using the complete emission spectrum of the flash lamps from UV...article 2016
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Polino, G. (author), Abbel, R. (author), Shanmugam, S. (author), Bex, G.J.P. (author), Hendriks, R. (author), Brunetti, F. (author), Di Carlo, A. (author), Andriessen, R. (author), Galagan, Y. (author)A set of three commercial copper nanoparticle based inkjet inks has been benchmarked with respect to their potential to form conducting printed structures for future applications in organic electronic devices. Significant differences were observed in terms of jetting properties, spreading behaviour and line formation on a number of relevant...article 2016
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Patil, B.R. (author), Shanmugam, S. (author), Teunissen, J.P. (author), Galagan, Y. (author)All-solution processed organic solar cells with inverted device architecture were demonstrated. Devices contain opaque bottom electrodes and semitransparent top electrodes, resulting in top illuminated devices. Nanoparticles-based Ag ink was used for inkjet printing both top and bottom electrodes. Semi-transparent top electrode consists of high...article 2015
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Eggenhuisen, T.M. (author), Galagan, Y.O. (author), Biezemans, A.F.K.V. (author), Slaats, T.M.W.L. (author), Voorthuijzen, W.P. (author), Kommeren, S. (author), Shanmugam, S. (author), Teunissen, J.P. (author), Hadipour, A. (author), Verhees, W.J.H. (author), Veenstra, S.C. (author), Coenen, M.J.J. (author), Gilot, J. (author), Andriessen, H.A.J.M. (author), Groen, W.A. (author)The organic photovoltaics field is maturing and reaching a technology readiness level where the focus is on developing large scale fabrication methods. In this light, fully inkjet printed organic solar cells were demonstrated. Inkjet printing allows direct patterning of all the layers, including the electrodes, offering full freedom of design...article 2015
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Galagan, Y. (author), Fledderus, H. (author), Gorter, H. (author), 't Mannetje, H.H. (author), Shanmugam, S. (author), Mandamparambil, R. (author), Bosman, J. (author), Rubingh, J.M. (author), Teunissen, J.P. (author), Salem, A. (author), de Vries, I.G. (author), Andriessen, R. (author), Groen, W.A. (author)Flexible semi-transparent organic photovoltaic (OPV) modules were manufactured by roll-to-roll slot–die coating of three functional layers [ZnO, photoactive layer, and poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)(PEDOT:PSS)] and either the screen printing or inkjet printing of the top electrodes. A poly(3-hexylthiophene):[6,6] phenyl...article 2015
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Galagan, Y. (author), Shanmugam, S. (author), Teunissen, J.P. (author), Eggenhuisen, T.M. (author), Biezemans, A.F.K.V. (author), Van Gijseghem, T. (author), Groen, W.A. (author), Andriessen, R. (author)Solution processing of the electrodes is a big challenge towards scaling up and R2R processing of organic solar cells. Inkjet printing is a non-contact printing method, it can be realized by solution processing at ambient condition and provides freedom of shape in the electrode pattern. The inkjet and screen printing of the back electrode in...article 2014
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van de Wiel, H.J. (author), Galagan, Y. (author), Van Lammeren, T.J. (author), De Riet, J.F.J. (author), Gilot, J. (author), Nagelkerke, M.G.M. (author), Lelieveld, R.H.C.A.T. (author), Shanmugam, S. (author), Pagudala, A. (author), Hui, D. (author), Groen, W.A. (author)Highly conductive screen printed metallic (silver) structures (current collecting grids) combined with poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) are a viable replacement for indium tin oxide (ITO) and inkjet printed silver as transparent electrode materials. To provide successful integration into organic photovoltaic ...article 2013
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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