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Singh, M. (author), Datta, K. (author), Amarnath, A. (author), Wagner, F. (author), Zhao, Y. (author), Yang, G. (author), Bracesco, A. (author), Phung, N. (author), Zhang, D. (author), Zardetto, V. (author), Najafi, M. (author), Veenstra, S.C. (author), Coletti, G. (author), Mazzarella, L. (author), Creatore, M. (author), Wienk, M.M. (author), Janssen, R.A.J. (author), Weeber, A.W. (author), Zeman, M. (author), Isabella, O. (author)Single junction crystalline silicon (c-Si) solar cells are reaching their practical efficiency limit whereas perovskite/c-Si tandem solar cells have achieved efficiencies above the theoretical limit of single junction c-Si solar cells. Next to low-thermal budget silicon heterojunction architecture, high-thermal budget carrier-selective...article 2023
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Ortiz Lizcano, J.C. (author), Villa, S. (author), Zhou, Y. (author), Frantzi, G. (author), Vattis, K. (author), Calcabrini, A. (author), Yang, G. (author), Zeman, M. (author), Isabella, O. (author)Herein, the application of a comprehensive modeling framework that can help optimize the design of multilayered optical filters for coloring photovoltaic (PV) modules is presented based on crystalline silicon solar cells. To overcome technical issues related to the implementation of color filters (CFs) on PV modules, like glare and color...article 2023
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Zhao, Y. (author), Procel, P. (author), Han, C. (author), Mazzarella, L. (author), Yang, G. (author), Weeber, A. (author), Zeman, M. (author), Isabella, O. (author)Low activation energy (Ea) and wide bandgap (Eg) are essential for (p)-contacts to achieve effective hole collection in silicon heterojunction (SHJ) solar cells. In this work, we study Plasma-Enhanced Chemical Vapor Deposition p-type hydrogenated nanocrystalline silicon oxide, (p)nc-SiOx:H, combined with (p)nc-Si:H as (p)-contact in front/back...article 2021
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Singh, M. (author), Santbergen, R. (author), Syifai, I. (author), Weeber, A. (author), Zeman, M. (author), Isabella, O. (author)Since single junction c-Si solar cells are reaching their practical efficiency limit. Perovskite/c-Si tandem solar cells hold the promise of achieving greater than 30% efficiencies. In this regard, optical simulations can deliver guidelines for reducing the parasitic absorption losses and increasing the photocurrent density of the tandem solar...article 2021
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Rezaei, N. (author), Procel, P. (author), Simor, M. (author), Vroon, Z. (author), Zeman, M. (author), Isabella, O. (author)An interdigitated back-contacted (IBC) configuration is proposed for submicron copper indium gallium (di)selenide (CIGS). In a modelling platform, the structure was opto-electrically optimized for maximum efficiency. The results are compared with a reference front/back-contacted (FBC) solar cell with similar absorber thickness and exhibiting 11...article 2020
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Rezaei, N. (author), Isabella, O. (author), Vroon, Z.A.E.P. (author), Zeman, M. (author)The optical losses associated with sub-micron absorbers in CIGS solar cells can be reduced by light management techniques. 3-D optical modelling was used to optimize light in-coupling and internal rear reflectance in a 750-nm thick CIGS reference solar cell. At the front side, an effective medium approximation (EMA) approach for describing...article 2019
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Rezaei, N. (author), Isabella, O. (author), Procel, P. (author), Vroon, Z.A.E.P. (author), Zeman, M. (author)A novel back-contacted solar cell based on a submicron copper indium gallium (di)selenide (CIGS) absorber is proposed and optically investigated. First, charge carrier collection feasibility is studied by band diagram analysis. Then, two back-contacted configurations are suggested and optimized for maximum current production. The results are...article 2019
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Rezaei, N. (author), Isabella, O. (author), Vroon, Z.A.E.P. (author), Zeman, M. (author)An optical investigation of ultra-thin CIGS solar cells and guidelines for elimination of optical losses is presented. Then, a novel back contacted structure for CIGS solar cells is suggested and optimized for best implied photocurrent density.conference paper 2018
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Ruggeri, E. (author), van Aken, B.B. (author), Isabella, O. (author), Zeman, M. (author)Imaging techniques, like electroluminescence and dark lock-in thermography, are valuable quality control tools as they yield quantitative and spatially resolved information about the device. In this paper, we isolated some of the conductive foil– cell interconnections of back-contact solar cells to study the appearance of these intentional...article 2018
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Shi, W. (author), Theelen, M.J. (author), Gevaerts, V.S. (author), Illiberi, A. (author), Barreau, N. (author), Butterling, M. (author), Schut, H. (author), Egger, W. (author), Dickmann, M. (author), Hugenschmidt, C. (author), Zeman, M. (author), Bruck, E. (author), Eijt, S.W.H. (author)Positron annihilation depth-profiling is used as an innovative tool to monitor the evolution of vacancy defects in two series of ZnO:Al transparent conductive oxide (TCO) layers for Cu(In,Ga)Se2 (CIGS) solar cells under accelerated degradation at 85 °C/85% relative humidity. The first series of ZnO:Al layers are deposited directly on flat glass...article 2018
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Zeman, M. (author), Yang, G. (author), Moya, P.P. (author), Limodio, G. (author), Zhao, Y. (author), Weeber, A.W. (author), Isabella, O. (author)This article presents recent approaches for achieving high conversion efficiency of crystalline silicon solar cells at Delft University of Technology. The new approaches are based on heterojuction interfaces between the crystalline silicon (c-Si) absorber and carrier-selective passivating contact layers. We discuss silicon heterojunction solar...conference paper 2018
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Faturrochman, G.J. (author), de Jong, M.M. (author), Santbergena, R. (author), Folkerts, W. (author), Zeman, M. (author), Smets, A.H.M. (author)In this work we consider noise barriers with integrated photovoltaic modules. The novelty is that bifacial modules are considered. A full scale bifacial photovoltaic noise barrier was built and its power output was monitored. In addition we developed an advanced numerical model for predicting this power output for given weather conditions....article 2018
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Yang, G. (author), Guo, P. (author), Procel, P. (author), Limodio, G. (author), Weeber, A. (author), Isabella, O. (author), Zeman, M. (author)In this work, we present the application of poly-Si carrier-selective passivating contacts (CSPCs) as both polarities in interdigitated back-contacted (IBC) solar cell architectures. We compared two approaches to form a gap between the back-surface field (BSF) and emitter fingers. It is proved that the gaps prepared by both approaches are...article 2018
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Theelen, M.J. (author), de Graaf, F. (author), Daume, F. (author), Barreau, N. (author), Vroon, Z.A.E.P. (author), Zeman, M. (author)Degradation rates and mechanisms for molybdenum back contacts and ZnO:Al front contacts exposed to damp heat were obtained from literature and experiments. It was found that molybdenum back contacts with a higher density and covered by a MoSe2 film are more stable than their low density, bare counterparts. For ZnO:Al front contacts various...conference paper 2018
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Blanker, J. (author), Vroon, Z.A.E.P. (author), Zeman, M. (author), Smets, A. (author)Copper-indium-gallium-di-selenide (CIGS) is the present record holder in lab-scale thin-film photovoltaics (TF-PV). One of the problems of this PV technology is the scarcity of indium. Multi-junction solar cells allow better spectral utilization of the light spectrum, while the required current generation per layer is much lower, allowing much...conference paper 2018
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Blanker, A.J. (author), Berendsen, P. (author), Phung, N. (author), Vroon, Z.E.A.P. (author), Zeman, M. (author), Smets, A.H.M. (author)Multi-junction solar cells are considered for various applications, as they tackle various loss mechanisms for single junction solar cells. These losses include thermalization and non-absorption below the band gap. In this work, a tandem configuration comprising copper-indium-gallium-di-selenide (CIGS) and hydrogenated amorphous silicon (a-Si:H)...article 2018
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Shekhar, A. (author), Kumaravel, V.K. (author), Klerks, S. (author), de Wit, S. (author), Venugopal, P. (author), Narayan, N. (author), Bauer, P. (author), Isabella, O. (author), Zeman, M. (author)Solar road technology provides an opportunity to harvest the vast, albeit dispersed, photovoltaic (PV) energy, while maximizing the land utilization. Deriving experience from the pioneering 70-m solar bike path installed in the Netherlands, this paper highlights the operational challenges and performance parameters using the first-year measured...article 2018
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- Limodio, G. (author), Yang, G. (author), Procel, P. (author), Weeber, A.W. (author), Isabella, O. (author), Zeman, M. (author) conference paper 2018
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Rezaei, N. (author), Isabella, O. (author), Vroon, Z. (author), Zeman, M. (author)A 3-D optical modelling was calibrated to calculate the light absorption and the total reflection of fabricated CIGS solar cells. Absorption losses at molybdenum (Mo) / CIGS interface were explained in terms of plasmonic waves. To quench these losses, we assumed the insertion of a lossless dielectric spacer between Mo and CIGS, whose optical...article 2018
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Theelen, M. (author), Liakopoulou, A. (author), Hans, V. (author), Daume, F. (author), Steijvers, H. (author), Barreau, N. (author), Vroon, Z. (author), Zeman, M. (author)Two types of Cu(In,Ga)Se2 (CIGS) solar cells, both designed for implementation in CIGS modules, were subjected to temperatures between 25C and 105C. Simultaneous exposure to AM1.5 illumination allowed the measurement of their electrical parameters at these temperatures. These two types of solar cells, produced with different deposition routes on...article 2017