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Introducing a comprehensive physics-based modelling framework for tandem and other PV systems

Vogt, M.R. (author), Ruiz Tobon, C.M. (author), Alcañiz Moya, A. (author), Procel Moya, P.A. (author), Blom, Y. (author), Nour El Din, A. (author), Stark, T. (author), Wang, Z. (author), Goma, E. Garcia (author), Etxebarria, J. G. (author), Ziar, H. (author), Zeman, M. (author), Santbergen, R. (author), Isabella, O. (author)

We introduce a novel simulation tool capable of calculating the energy yield of a PV system based on its fundamental material properties and using self-consistent models. Thus, our simulation model can operate without measurements of a PV device. It combines wave and ray optics and a dedicated semiconductor simulation to model the...

journal article 2022

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Towards bifacial silicon heterojunction solar cells with reduced TCO use

Han, C. (author), Santbergen, R. (author), van Duffelen, Max (author), Procel Moya, P.A. (author), Zhao, Y. (author), Yang, G. (author), Zhang, Xiaodan (author), Zeman, M. (author), Mazzarella, L. (author), Isabella, O. (author)

Reducing indium consumption, which is related to the transparent conductive oxide (TCO) use, is a key challenge for scaling up silicon heterojunction (SHJ) solar cell technology to terawatt level. In this work, we developed bifacial SHJ solar cells with reduced TCO thickness. We present three types of In₂O₃-based TCOs,...

journal article 2022

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Device operation of P-ion-implanted n-BaSi₂/p-Si heterojunction solar cells

Aonuki, S. (author), Yamashita, Yudai (author), Limodio, G. (author), Narita, Shunsuke (author), Takayanagi, Kaori (author), Iwai, Ai (author), Toko, Kaoru (author), Zeman, M. (author), Isabella, O. (author), Suemasu, Takashi (author)

We formed phosphorous(P)-ion-implanted n-BaSi₂ films on p-Si(111) substrates and demonstrated solar-cell functionality of the n-BaSi₂/p-Si heterojunction under AM1.5 illumination. The BaSi₂ films were grown by molecular beam epitaxy, followed by implantation of P ions to the BaSi₂ films using PF<sub...

journal article 2022

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Erratum to: Sub-gap defect density characterization of molybdenum oxide: An annealing study for solar cell applications (Nano Research, (2020), 13, 12, (3416-3424), 10.1007/s12274-020-3029-9)

Scire, D. (author), Procel Moya, P.A. (author), Gulino, Antonino (author), Isabella, O. (author), Zeman, M. (author), Crupi, Isodiana (author)

Ref. [56] was unfortunately wrong, Instead of [56] Corless, R. M.; Gonnet, G. H.; Hare, D. E. G.; Jeffrey, D. J.; Knuth, D. E. On the Lambert W function. Adv. Comput. Math. 1996, 5, 329–359. It should be changed to Biswas, R. K.; Khan, P.; Mukherjee, S.; Mukhopadhyay, A. K.; Ghosh, J.; Muraleedharan, K. Study of short range structure of...

journal article 2022

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Study on the Effect of Irradiance Variability on the Efficiency of the Perturb-and-Observe Maximum Power Point Tracking Algorithm

Martinez Lopez, V.A. (author), Žindžiūtė, U. (author), Ziar, H. (author), Zeman, M. (author), Isabella, O. (author)

Irradiance variability is one of the main challenges for using photovoltaic energy. This variability affects the operation of maximum power point trackers (MPPT) causing energy losses. The logic of the Perturb-and-Observe MPPT algorithm is particularly sensitive to quick irradiance changes. We quantified the existing relation between irradiance...

journal article 2022

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Time-varying, ray tracing irradiance simulation approach for photovoltaic systems in complex scenarios with decoupled geometry, optical properties and illumination conditions

Calcabrini, A. (author), Cardose, Ruben (author), Gribnau, David (author), Babal, Pavel (author), Manganiello, P. (author), Zeman, M. (author), Isabella, O. (author)

The accurate computation of the irradiance incident on the surface of photovoltaic modules is crucial for the simulation of the energy yield of a photovoltaic system. Depending on the geometrical complexity of the surroundings, different approaches are commonly employed to calculate the irradiance on the photovoltaic system. In this article,...

journal article 2022

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Experimental study on solar heat battery using phase change materials for parabolic dish collectors

Senthil, Ramalingam (author), Priya, Inbaraj Infanta Mary (author), Gupta, Mukund (author), Rath, C. (author), Ghosh, Nilanshu (author)

Energy consumption has increased with the population increase, and fossil fuel dependency has risen and causing pollutions. Solar energy is suitable to provide society's thermo-electric needs. Thermal energy storage-based concentrated solar receivers are aimed at store heat energy and transportable to the applications. A cavity receiver with...

journal article 2021

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Design and optimization of hole collectors based on nc-SiO_x:H for high-efficiency silicon heterojunction solar cells

Zhao, Y. (author), Procel Moya, P.A. (author), Han, C. (author), Mazzarella, L. (author), Yang, G. (author), Weeber, A.W. (author), Zeman, M. (author), Isabella, O. (author)

Low activation energy (E_a) and wide bandgap (E_g) 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-SiO_x:H, combined with (p)nc...

journal article 2021

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Passivation Enhancement of Poly-Si Carrier-Selective Contacts by Applying ALD Al_2O_3 Capping Layers

Yang, G. (author), Van de Loo, Bas (author), Stodolny, Maciej (author), Limodio, G. (author), Melskens, Jimmy (author), Isabella, O. (author), Weeber, A.W. (author), Zeman, M. (author), Kessels, W. M.M. (author)

Hydrogenation of polycrystalline silicon (poly-Si) passivating contacts is crucial for maximizing their passivation performance. This work presents the application of Al2O3 prepared by atomic layer deposition as a hydrogenating capping layer. Several important questions related to this application of Al2O3 are addressed by comparing results...

journal article 2021

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Critical Components Identification for Cyber-Physical Power Systems Considering Time-Varying Operational States

Liu, Y. (author), Semertzis, I. (author), Stefanov, Alexandru (author), Palensky, P. (author)

The security issues of Cyber-Physical power Systems (CPS) have attracted widespread attention from scholars. Vulnerability assessment emerges as an effective method to identify the critical components and thus increase the system resilience. While efforts have been made to study the vulnerability features of power systems under the occurrence...

conference paper 2021

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A Multi-layer Modelling Framework for Techno-Socio-Economical Penetration of Photovoltaics

Verkou, M.H. (author), Ahmad, Z. (author), Ziar, H. (author), Isabella, O. (author), Zeman, M. (author)

Urban areas rely on the wide implementation of X-Integrated Photovoltaic (X-IPV) systems to provide green electricity for the sustainable electrification. In this research, a modelling framework to accurately predicting their output energy yield and asses their impact on the low voltage distribution grid has been developed. This tool can compute...

conference paper 2021

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Colored optic filters on c-Si IBC solar cells for building integrated photovoltaic applications

Ortiz Lizcano, J.C. (author), Procel Moya, P.A. (author), Calcabrini, A. (author), Yang, G. (author), Ingenito, Andrea (author), Santbergen, R. (author), Zeman, M. (author), Isabella, O. (author)

Building Integrated Photovoltaic systems can produce a significant portion of the energy demand of urban areas. Despite their potential, they remain a niche technology that architects and project engineers still find esthetically limited. The dark blue or black color of standard photovoltaic panels is considered inappropriate for restoration...

journal article 2021

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A Comprehensive Workflow for High Resolution 3D Solar Photovoltaic Potential Mapping in Dense Urban Environment: A Case Study on Campus of Delft University of Technology

Zhou, Y. (author), Verkou, M.H. (author), Zeman, M. (author), Ziar, H. (author), Isabella, O. (author)

Photovoltaic (PV) technology is the most promising renewable energy source to be integrated on urban building surfaces. Modeling and simulating urban PV systems pose more challenges than the conventional ones installed in open field due to rich urban morphology. Herein, a comprehensive workflow to estimate urban solar PV potential is...

journal article 2021

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Ultra-thin electron collectors based on nc-Si:H for high-efficiency silicon heterojunction solar cells

Zhao, Y. (author), Mazzarella, L. (author), Procel Moya, P.A. (author), Han, C. (author), Tichelaar, F.D. (author), Yang, G. (author), Weeber, A.W. (author), Zeman, M. (author), Isabella, O. (author)

Low parasitic absorption and high conductivity enable (n)-type hydrogenated nanocrystalline silicon [(n)nc-Si:H], eventually alloyed with oxygen [(n)nc-SiO_x:H], to be deployed as window layer in high-efficiency silicon heterojunction (SHJ) solar cells. Besides the appropriate opto-electrical properties of these nanocrystalline...

journal article 2021

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A silicon carbide-based highly transparent passivating contact for crystalline silicon solar cells approaching efficiencies of 24%

Köhler, Malte (author), Pomaska, Manuel (author), Procel Moya, P.A. (author), Santbergen, R. (author), Lambertz, Andreas (author), Duan, Weiyuan (author), Eberst, Alexander (author), Luysberg, Martina (author), Isabella, O. (author)

A highly transparent passivating contact (TPC) as front contact for crystalline silicon (c-Si) solar cells could in principle combine high conductivity, excellent surface passivation and high optical transparency. However, the simultaneous optimization of these features remains challenging. Here, we present a TPC consisting of a silicon-oxide...

journal article 2021

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Characterization of the defect density states in MoO_x for c-Si solar cell applications

Scire, D. (author), Macaluso, Robert (author), Mosca, Mauro (author), Mirabella, S. (author), Gulino, Antonino (author), Isabella, O. (author), Zeman, M. (author), Crupi, I. (author)

Thin layers of MoO_x have been deposited by thermal evaporation followed by post-deposition annealing. The density of states distributions of the MoO_x films were extracted deconvoluting the absorption spectra, measured by a photothermal deflection spectroscopy setup, including the small polaron contribution. Results...

journal article 2021

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Solar cells based on n⁺-AZO/p-BaSi₂ heterojunction: Advanced opto-electrical modelling and experimental demonstration

Yamashita, Yudai (author), Ruiz Tobon, C.M. (author), Santbergen, R. (author), Zeman, M. (author), Isabella, O. (author), Suemasu, Takashi (author)

We performed advanced opto-electrical simulations on thin-film BaSi₂ solar cells. First, absorption spectra of BaSi₂-pn homojunction solar cells on Si substrate were calculated based on flat and/or pyramidally-textured surfaces, wherein 20-nm-thick n⁺-BaSi₂ was the topmost electron transport layer....

journal article 2021

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Advancement in screen printed fire through silver paste metallisation of polysilicon based passivating contacts

Chaudhary, A. (author), Hoß, Jan (author), Lossen, Jan (author), van Swaaij, R.A.C.M.M. (author), Zeman, M. (author)

We have metallised n+ polysilicon passivated layer structures deposited by Low Pressure Chemical Vapor Deposition (LPCVD) with silver pastes. We analysed recombination at the metal contacts by photoluminescence imaging of metallised lifetime samples and found for the best paste, metal semiconductor recombination current density values (J0met)...

conference paper 2021

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Comparing optical performance of a wide range of perovskite/silicon tandem architectures under real-world conditions

Singh, M. (author), Santbergen, R. (author), Syifai, Indra (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...

journal article 2021

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Room-temperature sputtered tungsten-doped indium oxide for improved current in silicon heterojunction solar cells

Han, C. (author), Zhao, Y. (author), Mazzarella, L. (author), Santbergen, R. (author), Bento Montes, A.R. (author), Procel Moya, P.A. (author), Yang, G. (author), Zhang, Xiaodan (author), Zeman, M. (author), Isabella, O. (author)

The window layers limit the performance of silicon heterojunction (SHJ) solar cells with front and back contacts. Here, we optimized tungsten-doped indium oxide (IWO) film deposited by radio frequency magnetron sputtering at room temperature. The opto-electrical properties of the IWO were manipulated when deposited on top of thin-film silicon...

journal article 2021