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Zhang, S. (author), Li, Yuhang (author), Bannenberg, L.J. (author), Liu, Ming (author), Ganapathy, S. (author), Wagemaker, M. (author)Formation cycling is a critical process aimed at improving the performance of lithium ion (Li-ion) batteries during subsequent use. Achieving highly reversible Li-metal anodes, which would boost battery energy density, is a formidable challenge. Here, formation cycling and its impact on the subsequent cycling are largely unexplored. Through...journal article 2024
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Chen, C. (author), de Kogel, Albert (author), Weijers, M.J. (author), Bannenberg, L.J. (author), Wang, Xuehang (author)The growing demand for safe, cost-efficient, high-energy and high-power electrochemical energy storage devices has stimulated the development of aqueous-based supercapacitors with high capacitance, high rate capability, and high voltage. 2D titanium carbide MXene-based electrodes have shown excellent rate capability in various dilute aqueous...journal article 2024
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Wang, C. (author), Liu, M. (author), Bannenberg, L.J. (author), Zhao, C. (author), Thijs, M.A. (author), Boshuizen, B. (author), Ganapathy, S. (author), Wagemaker, M. (author)Lithium metal with its high theoretical capacity and low negative potential is considered one of the most important candidates to raise the energy density of all-solid-state batteries. However, lithium filament growth and its induced solid electrolyte decomposition pose severe challenges to realize a long cycle life. Here, dendrite growth in...journal article 2024
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Bannenberg, L.J. (author), Verhoeff, D. (author), Jonckers Newton, Nick (author), Thijs, M.A. (author), Schreuders, H. (author)Here, we study the structural and optical properties of tetragonal β-tantalum-sputtered thin films both ex situ and when exposed to hydrogen, with a focus on optical hydrogen sensing applications. Using optical transmission measurements, out-of-plane and in-plane X-ray diffraction, and X-ray and neutron reflectometry, we show that thin film β...journal article 2024
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Guo, R. (author), Chen, C. (author), Bannenberg, L.J. (author), Wang, H. (author), Liu, Haozhe (author), Yu, Minghao (author), Sofer, Zdenek (author), Lei, Zhibin (author), Wang, Xuehang (author)Limited Li resources, high cost, and safety risks of using organic electrolytes have stimulated a strong motivation to develop non-Li aqueous batteries. Aqueous Zn-ion storage (ZIS) devices offer low-cost and high-safety solutions. However, their practical applications are at the moment restricted by their short cycle life arising mainly from...review 2023
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Situm, Arthur (author), Bahadormanesh, Behrouz (author), Bannenberg, L.J. (author), Ooms, F.G.B. (author), Feltham, Hunter A. (author), Popov, German (author), Behazin, Mehran (author), Goncharova, Lyudmila V. (author), Noël, James J. (author)One concern regarding the used nuclear fuel containers proposed for use in a Canadian deep geological repository (DGR) is the possibility that a small amount of hydrogen might be absorbed into their copper coating, potentially altering its mechanical properties. Reported herein is a study of hydrogen absorption into 50 nm of copper, coated on...journal article 2023
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Bannenberg, L.J. (author)Here, a method to suppress drift in intensity-modulated sensors is presented that preserves the advantages of such sensors including simplicity and low-cost components. This method is illustrated using metal hydride-based optical hydrogen sensors that can reliably, accurately, and quickly sense hydrogen across a large concentration range....journal article 2023
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Bannenberg, L.J. (author), Bresser, R. (author), van der Ende, P. (author), van Exter, M.A.J. (author), van Goozen, W.G.A. (author), Naastepad, F.T.C.J. (author), Thijs, M.A. (author), Verleg, M.N. (author), de Vroege, C.F. (author), Waaijer, C.J. (author), van Well, A.A. (author)The horizontal time-of-flight neutron reflectometer at the reactor of the Delft University of Technology, The Netherlands, has been completely renewed, relocated, and upgraded and allows for the study of air/liquid, solid/liquid, and solid/air interfaces. Innovations in the redesign include (i) a completely flexible double disk chopper system...journal article 2023
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Zhao, J. (author), Liu, X. (author), Wu, Zijin (author), Ibrahim, B. (author), Thieme, J. (author), Brocks, Geert (author), Tao, Shuxia (author), Bannenberg, L.J. (author), Savenije, T.J. (author)State-of-the-art triple cation, mixed halide perovskites are extensively studied in perovskite solar cells, showing very promising performance and stability. However, an in-depth fundamental understanding of how the phase behavior in Cs<sub>0.05</sub>FA<sub>0.85</sub>MA<sub>0.10</sub>Pb(I<sub>0.97</sub>Br<sub>0.03</sub>)<sub>3</sub> (CsMAFA)...journal article 2023
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Landgraf, V.R. (author), Famprikis, T. (author), de Leeuw, Joris (author), Bannenberg, L.J. (author), Ganapathy, S. (author), Wagemaker, M. (author)Most highly Li-conducting solid electrolytes (σ<sub>RT</sub> > 10<sup>-3</sup> S cm<sup>-1</sup>) are unstable against lithium-metal and suffer from detrimental solid-electrolyte decomposition at the lithium-metal/solid-electrolyte interface. Solid electrolytes that are stable against lithium metal thus offer a direct route to stabilize...journal article 2023
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Bannenberg, L.J. (author), Schreuders, H. (author), van Beugen, N. (author), Kinane, Christy (author), Hall, Stephen (author), Dam, B. (author)Accurate, cost-efficient, and safe hydrogen sensors will play a key role in the future hydrogen economy. Optical hydrogen sensors based on metal hydrides are attractive owing to their small size and costs and the fact that they are intrinsically safe. These sensors rely on suitable sensing materials, of which the optical properties change...journal article 2023
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Babcock, E. (author), Salhi, Z. (author), Feoktystov, A. (author), Bannenberg, L.J. (author), Parnell, S.R. (author), Alba Venero, D. (author), Hutanu, V. (author), Thoma, H. (author), Xu, J. (author)The JCNS has been developing and using in-situ polarized neutron spin filters for many applications. The system used for analysis on MARIA and polarization for TOPAS were completed about 10 years ago with the MARIA system in standard operation for users and the TOPAS system employed for a long measurement on the POLI instrument. In the...journal article 2023
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Bannenberg, L.J. (author), Blom, Larissa (author), Sakaki, Kouji (author), Asano, Kohta (author), Schreuders, H. (author)Nanostructured metal hydrides could play a key role in a hydrogen economy. The nanostructuring or confinement of these materials as, e.g., thin films significantly affects the structural and functional properties. For tantalum hydride, a versatile hydrogen sensing material, we show that the confinement of tantalum as a thin film extends the...journal article 2023
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Yan, J. (author), Zhao, J. (author), Wang, H. (author), Kerklaan, Mels (author), Bannenberg, L.J. (author), Ibrahim, B. (author), Savenije, T.J. (author), Mazzarella, L. (author), Isabella, O. (author)Multiple-source thermal evaporation is emerging as an excellent technique to obtain perovskite (PVK) materials for solar cell applications due to its solvent-free processing, accurate control of stoichiometric ratio, and potential for scalability. Nevertheless, the currently reported layer-by-layer deposition approach is afflicted by long...review 2023
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Libraro, S. (author), Morisset, A. (author), Hurni, J. (author), Genç, E. (author), Antognini, L. (author), Bannenberg, L.J. (author), Famprikis, T. (author), Ballif, C. (author), Hessler-Wyser, A. (author), Haug, F. J. (author)This work presents a study of p-type passivating contacts based on SiC<sub>x</sub> formed via a rapid thermal processing (RTP) step, using conditions compatible with the firing used to sinter screen-printed metallization pastes in industry. The contributions of the two interfaces (wafer/contact and contact/metal) to the contact resistivity...journal article 2023
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Ghanbari, E. (author), Krishnamurthy, Aravind (author), Picken, S.J. (author), Klop, Enno A. (author), Bannenberg, L.J. (author), van Esch, J.H. (author)The crystal structure and phase behavior of bisamide gelators are investigated using differential scanning calorimetry (DSC), Fourier transform infrared spectroscopy, X-ray diffraction (XRD), and molecular modeling, aiming at a better understanding of bisamide gel systems. A homologous series of bisamide model compounds (nBAs) was prepared...journal article 2022
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Morisset, Audrey (author), Famprikis, T. (author), Haug, Franz Josef (author), Ingenito, Andrea (author), Ballif, Christophe (author), Bannenberg, L.J. (author)The integration of passivating contacts based on a highly doped polycrystalline silicon (poly-Si) layer on top of a thin silicon oxide (SiOx) layer has been identified as the next step to further increase the conversion efficiency of current mainstream crystalline silicon (c-Si) solar cells. However, the interrelation between the final...journal article 2022
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Chaykina, D. (author), Usman, I.N. (author), Colombi, G. (author), Schreuders, H. (author), Tyburska-Pueschel, Beata (author), Wu, Z. (author), Eijt, S.W.H. (author), Bannenberg, L.J. (author), De Wijs, Gilles A. (author), Dam, B. (author)To develop an understanding of the photochromic effect in rare-earth metal oxyhydride thin films (REH3-2xOx, here RE = Y), we explore the aliovalent doping of the RE cation. We prepared Ca-doped yttrium oxyhydride thin films ((CazY1-z)HxOy) by reactive magnetron cosputtering with Ca doping concentrations between 0 and 36 at. %. All of the...journal article 2022
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Zhao, J. (author), Li, Jia (author), Liu, X. (author), Bannenberg, L.J. (author), Bruno, Annalisa (author), Savenije, T.J. (author)Co-evaporation of metal halide perovskites by thermal evaporation is an attractive method since it does not require harmful solvents and enables precise control of the film thickness. Furthermore, the ability to manipulate the Fermi level allows the formation of a graded homojunction, providing interesting opportunities to improve the charge...journal article 2022
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Chaykina, D. (author), Usman, I.N. (author), Colombi, G. (author), Schreuders, H. (author), Tyburska-Pueschel, Beata (author), Wu, Z. (author), Eijt, S.W.H. (author), Bannenberg, L.J. (author), De Wijs, Gilles A. (author), Dam, B. (author)The energy axes of the RBS and ERD data (contained in Figures 2a,b,d,e, and S4) were originally underestimated, and the corrected figures appear below and in the Supporting Information. The change is in the conversion from raw data to the energy scale, which was initially converted incorrectly. The rescaled x-axis does not change the data...journal article 2022