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Wang, X. (author), Wilson, P.R. (author), Leite, R.B. (author), Chen, G. (author), Freitas, H. (author), Asadi, K. (author), Smits, E.C.P. (author), Katsouras, I. (author), Rocha, P.R.F. (author)
Generating electricity from low-frequency mechanical agitations produced by ocean waves, plants, or human motion is emerging as a key, environmentally friendly technology in combating harmful emissions caused by burning fossil fuels. The electric pulses generated by the appropriate transducers, such as triboelectric or piezoelectric generators,...
article 2020
document
Zebregs, M. (author), Mayer, A.E.H.J. (author), van der Heijden, A.E.D.M. (author)
In this comparative study, a solid composite, AN/HTPB-based propellant was prepared by conventional processing in a mechanical mixer and by applying an advanced processing technique relying on resonant acoustic mixing (RAM). After curing of the propellants, cross-sections were prepared and characterized by scanning electron microscopy. Also the...
article 2020
document
Straathof, M.H. (author), van Driel, C.A. (author), van Lingen, J.N.J. (author), Ingenhut, B.L.J. (author), ten Cate, A.T. (author), Maalderink, H.H. (author)
A photocurable energetic resin was developed for photopolymerization additive manufacturing. The composition contains 50 wt % RDX, 25 wt % acrylate binder, and 25 wt % energetic plasticizer. The material was characterized in terms of compatibility, printability, mechanical properties and (ballistic) performance. The possibility of printing...
article 2020
document
Dyson, M.J. (author), Verhage, M. (author), Ma, X. (author), Simone, G. (author), Tordera, D. (author), Janssen, R.A.J. (author), Gelinck, G.H. (author)
Establishing the color of incident light is essential for many applications, such as machine vision, but generally requires either a dispersive component or multiple spectrally selective photodetectors. In contrast, here an incident spectrum is parametrized using a single broadband organic photodiode (OPD). This is achieved by exploiting the...
article 2020
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Simone, G. (author), Tordera, D. (author), Delvitto, E. (author), Peeters, B. (author), van Breemen, A.J.J.M. (author), Meskers, S.C.J. (author), Janssen, R.A.J. (author), Gelinck, G.H. (author)
Reflectance oximeters based on organic photodiode (OPD) arrays offer the potential to map blood pulsation and oxygenation via photoplethysmography (PPG) over a large area and beyond the traditional sensing locations. Here, an organic reflectance PPG array based on 16 × 16 OPD pixels is developed. The individual pixels exhibit near-infrared...
article 2020
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Ndika, J. (author), Ilves, M. (author), Kooter, I.M. (author), Grollers-Mulderij, M. (author), Duistermaat, E. (author), Tromp, P.C. (author), Kuper, F. (author), Kinaret, P. (author), Greco, D. (author), Karisola, P. (author), Alenius, H. (author)
The diversity and increasing prevalence of products derived from engineered nanomaterials (ENM), warrants implementation of non-animal approaches to health hazard assessment for ethical and practical reasons. Although non-animal approaches are becoming increasingly popular, there are almost no studies of side-by-side comparisons with traditional...
article 2020
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Martynow, M. (author), Glowienka, D. (author), Szmytkowski, J. (author), Galagan, Y. (author), Guthmuller, J. (author)
An experimental and theoretical investigation is reported to analyze the relation between the structural and absorption properties of CH3NH3PbI3 in the tetragonal phase. More than 3000 geometry optimizations were performed to reveal the structural disorder and identify structures with the lowest energies. The electronic structure calculations...
article 2019
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Anoop, K.M. (author), Khenkin, M.V. (author), Di Giacomo, F. (author), Galagan, Y. (author), Rahmany, S. (author), Etgar, L. (author), Katz, E.A. (author), Visoly-Fisher, I. (author)
Degradation rates in perovskite solar cells (PSCs) were previously shown to be bias dependent; however, little is known about the mechanisms and driving factors that account for such degradation. Herein, stability studies under concentrated sunlight are demonstrated as a powerful experimental methodology to investigate bias-dependent PSC...
article 2019
document
Hattendorf, H. (author), Hermse, C.G.M. (author), IJzerman, R.M. (author)
The focus in this study is on very metal dusting resistant nickel chromium alloys with a high content of chromium (in the range of 22 to 33 wt.%), additions of aluminum (between 0 and 3 wt.%) and variable iron content (between 0.1 and 15 wt.%). All samples were exposed up to 5693 h at 600 °C in a 37 vol.% CO, 7 vol.% CO2, 46 vol.% H2, 9 vol.%...
article 2019
document
Simone, G. (author), Dyson, M.J. (author), Meskers, S.C.J. (author), Janssen, R.A.J. (author), Gelinck, G.H. (author)
Organic photodetectors (OPDs) have gained increasing interest as they offer cost-effective fabrication methods using low temperature processes, making them particularly attractive for large area image detectors on lightweight flexible plastic substrates. Moreover, their photophysical and optoelectronic properties can be tuned both at a material...
article 2019
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Simone, G. (author), Dyson, M.J. (author), Weijtens, C.H.L. (author), Meskers, S.C.J. (author), Coehoorn, R. (author), Janssen, R.A.J. (author), Gelinck, G.H. (author)
Minimizing the reverse bias dark current while retaining external quantum efficiency is crucial if the light detection sensitivity of organic photodiodes (OPDs) is to compete with inorganic photodetectors. However, a quantitative relationship between the magnitude of the dark current density under reverse bias (Jd) and the properties of the bulk...
article 2019
document
Zardetto, V. (author), di Giacomo, F. (author), Lifka, H. (author), Verheijen, M.A. (author), Weijtens, C.H.L. (author), Black, L.E. (author), Veenstra, S. (author), Kessels, W.M.M. (author), Andriessen, R. (author), Creatore, M. (author)
Perovskite solar cells (PSCs) are emerging among the photovoltaic (PV) technologies due to their high power conversion efficiency (PCE) in combination with potentially low cost manufacturing processing. In this contribution, the fabrication of efficient planar n-i-p PSCs by the modification of the electron transport layer (ETL) adopted as n-type...
article 2018
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Simone, G. (author), di carlo Rasi, D. (author), de Vries, X. (author), Heintges, G.H.L. (author), Meskers, S.C.J. (author), Janssen, R.A.J. (author), Gelinck, G.H. (author)
Photovoltaic retinal prostheses show great potential to restore sight in patients suffering from degenerative eye diseases by electrical stimulation of the surviving neurons in the retinal network. Herein, organic photodiodes (OPDs) sensitive to near-infrared (NIR) light are evaluated as photovoltaic pixels for future application in retinal...
article 2018
document
Najafi, M. (author), Zardetto, V. (author), Zhang, D. (author), Koushik, D. (author), Dorenkamper, M.S. (author), Creatore, M. (author), Andriessen, R. (author), Poodt, P. (author), Veenstra, S. (author)
The replacement of the conventional top metal contact with a semi-transparent conducting electrode such as sputtered indium-tin oxide (ITO) is strictly required to adopt the perovskite solar cell (PSC) in hybrid tandem photovoltaic applications. In order to prevent sputtering damages on the perovskite absorber and the organic materials adopted...
article 2018
document
Shidachi, R. (author), Matsuhisa, N. (author), Zalar, P. (author), Chow, P.C.Y. (author), Jinno, H. (author), Yokota, T. (author), Someya, T. (author)
In this paper, the amplification of the photocurrent in organic phototransistors (OPTs) employing bulk heterojunctions (BHJs) with different donor–acceptor ratios has been studied. As a model system, poly[2-methoxy-5-(3’,7’-dimethyloctyloxy)-p-phenylene vinylene] (OC1C10-PPV) and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) are used as...
article 2018
document
Teunissen, J.P. (author), Abbel, R. (author), Eggenhuizen, T. (author), Coenen, M. (author), Groen, P. (author)
Inkjet printing (IJP) is a highly versatile and useful tool for product development, prototyping, and even small-scale manufacturing in the printed electronics industry. This chapter discusses a number of printed electronic (PE) applications. PE applications make use of inkjet-printed electrically conductive structures. At first sight, IJP might...
bookPart 2017
document
Teunissen, J.P. (author), Abbel, R. (author), Hendriks, R. (author), Groen, P. (author)
The necessary metal-based inks typically consist of silver nanoparticles dispersed in a liquid carrier medium. In order to keep the ink stable and printable, the agglomeration and sedimentation of these functional components need to be prevented as long as they are not printed onto a substrate. This is typically done by the addition of organic ...
bookPart 2017
document
Arapov, K. (author), Bex, G. (author), Hendriks, R. (author), Rubingh, E. (author), Abbel, R. (author), de With, G. (author), Friedrich, H. (author)
This paper describes a combination of photonic annealing and compression rolling to improve the conductive properties of printed binder-based graphene inks. High-density light pulses result in temperatures up to 500 °C that along with a decrease of resistivity lead to layer expansion. The structural integrity of the printed layers is restored...
article 2016
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Heremans, P. (author), Tripathi, A.K. (author), de Jamblinne de Meux, A. (author), Smits, E.C.P. (author), Hou, B. (author), Pourtois, G. (author), Gelinck, G.H. (author)
The increasing interest in fl exible electronics and fl exible displays raises questions regarding the inherent mechanical properties of the electronic materials used. Here, the mechanical behavior of thin-fi lm transistors used in activematrix displays is considered. The change of electrical performance of thinfilm semiconductor materials under...
article 2016
document
Li, W.W. (author), Radacsi, N. (author), Kramer, H.J.M. (author), van der Heijden, A.E.D.M. (author), ter Horst, J.H. (author)
When applied to a pure component suspension in an apolar solvent, a strong inhomogeneous electric field induces particle movement, and the particles are collected at the surface of one of the two electrodes. This new phenomenon was used to separately isolate two organic crystalline compounds, phenazine and caffeine, from their suspension in 1,4...
article 2016
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