Searched for: department%3A%22Electrical%255C%252BSustainable%255C%252BEnergy%22
(81 - 100 of 319)
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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 BaSi<sub>2</sub> solar cells. First, absorption spectra of BaSi<sub>2</sub>-pn homojunction solar cells on Si substrate were calculated based on flat and/or pyramidally-textured surfaces, wherein 20-nm-thick n<sup>+</sup>-BaSi<sub>2</sub> was the topmost electron transport layer....journal article 2021
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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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Verkou, M.H. (author), Ziar, H. (author), Isabella, O. (author), Zeman, M. (author)The increasing development of photovoltaic (PV) technologies allows for more feasible PV products, that can split the fixed big electrical infrastructure into smaller mobile systems, suitable for future smart buildings. This research, investigates opportunities for interior PV (IPV) products, that harvest indoor ambient light. The outcome is a...conference paper 2020
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Hou, F. (author), Wang, W. (author), Cao, Liqiang (author), Li, Jun (author), Su, Meiying (author), Lin, Tingyu (author), Zhang, Kouchi (author), Ferreira, Jan Abraham (author)SiC devices are promising for outperforming Si counterparts in high-frequency applications due to its superior material properties. Conventional wirebonded packaging scheme has been one of the most preferred package structures for power modules. However, the technique limits the performance of a SiC power module due to parasitic inductance...review 2020
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Ziar, H. (author), Manganiello, P. (author), Isabella, O. (author), Zeman, M. (author)At present, electrification and digitalization are two significant trends in the energy sector. Large-scale introduction of variable renewable energy sources, energy storage and power-electronics components, all based on direct current (DC), is fundamentally changing the electrical energy system of today that is based on alternating current ...review 2020
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Strategy to mitigate the dipole interfacial states in (i)a-Si:H/MoOxpassivating contacts solar cellsMazzarella, L. (author), Alcañiz Moya, A. (author), Kawa, Eliora (author), Procel Moya, P.A. (author), Zhao, Y. (author), Han, C. (author), Yang, G. (author), Zeman, M. (author), Isabella, O. (author)Electrical simulations show that the dipole formed at (i)a-Si:H/MoOx interface can explain electrical performance degradation. We experimentally manipulate this interface by a plasma treatment (PT) to mitigate the dipole strength without harming the optical response. The optimal PT + MoOx stack results in strongly improved electrical...conference paper 2020
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Calcabrini, A. (author), Weegink, Raoul (author), Zeman, M. (author), Isabella, O. (author)Photovoltaic systems in urban environments are usually partially shaded, thus the need for shade tolerant solar panels in the urban environment. We present the design of a series-parallel reconfigurable photovoltaic module. Given a specific irradiance distribution on its surface, it can change the interconnections between its solar cells to...conference paper 2020
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Mazzarella, L. (author), Alcañiz Moya, A. (author), Procel Moya, P.A. (author), Kawa, Eliora (author), Zhao, Y. (author), Tiringer, U. (author), Han, C. (author), Yang, G. (author), Taheri, P. (author), Zeman, M. (author), Isabella, O. (author)Molybdenum oxide (MoO<sub>x</sub>) is attractive for applications as hole-selective contact in silicon heterojunction solar cells for its transparency and relatively high work function. However, the integration of MoO<sub>x</sub> stacked on intrinsic amorphous silicon (i)a-Si:H layer usually exhibits some issues that are still not fully...journal article 2020
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Zhao, Y. (author), Mazzarella, L. (author), Procel Moya, P.A. (author), Han, C. (author), Yang, G. (author), Weeber, A.W. (author), Zeman, M. (author), Isabella, O. (author)Hydrogenated nanocrystalline silicon oxide (nc-SiO<sub>x</sub>:H) layers exhibit promising optoelectrical properties for carrier-selective-contacts in silicon heterojunction (SHJ) solar cells. However, achieving high conductivity while preserving crystalline silicon (c-Si) passivation quality is technologically challenging for growing thin...journal article 2020
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Limodio, G. (author), Yang, G. (author), De Groot, Yvar (author), Procel, Paul (author), Mazzarella, L. (author), Weber, Arthur W. (author), Isabella, O. (author), Zeman, M. (author)In this work, we develop SiO<sub>x</sub>/poly-Si carrier-selective contacts grown by low-pressure chemical vapor deposition and boron or phosphorus doped by ion implantation. We investigate their passivation properties on symmetric structures while varying the thickness of poly-Si in a wide range (20-250 nm). Dose and energy of implantation...journal article 2020
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Narayan, N.S. (author), Vega Garita, V.E. (author), Qin, Z. (author), Popovic-Gerber, Jelena (author), Bauer, P. (author), Zeman, M. (author)Nearly 840 million people still lack access to electricity, while over a billion more have an unreliable electricity connection. In this article, the three different electrification pathways-grid extension, centralized microgrids, and standalone solar-based solutions, such as pico-solar and solar home systems (SHS)-are critically examined...journal article 2020
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Bento Montes, A.R. (author), Eijt, S.W.H. (author), Tian, Y. (author), Gram, R. (author), Schut, H. (author), Suemasu, T. (author), Usami, N. (author), Zeman, M. (author), Serra, J. (author), Isabella, O. (author)Barium di-silicide (BaSi<sub>2</sub>) is a very promising absorber material for high-efficiency thin-film solar cells, due to its suitable bandgap, high light absorption coefficient, and long minority-carrier lifetime. In this study, we compare the nanostructure, layer composition, and point defects of BaSi<sub>2</sub> thin films deposited by...journal article 2020
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Singh, M. (author), Santbergen, R. (author), Mazzarella, L. (author), Madrampazakis, A. (author), Yang, G. (author), Vismara, R. (author), Remes, Z. (author), Weeber, A.W. (author), Zeman, M. (author), Isabella, O. (author)The optical modelling for optimizing high-efficiency c-Si solar cells endowed with poly-SiO<sub>x</sub> or poly-SiC<sub>x</sub> carrier-selective passivating contacts (CSPCs) demands a thorough understanding of their optical properties, especially their absorption coefficient. Due to the mixed phase nature of these CSPCs, spectroscopic...journal article 2020
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Procel Moya, P.A. (author), Xu, Haiyuan (author), Saez, Aurora (author), Ruiz Tobon, C.M. (author), Mazzarella, L. (author), Zhao, Y. (author), Han, C. (author), Yang, G. (author), Zeman, M. (author), Isabella, O. (author)The contact resistivity is a key parameter to reach high conversion efficiency in solar cells, especially in architectures based on the so-called carrier-selective contacts. The importance of contact resistivity relies on the evaluation of the quality of charge collection from the absorber bulk through adjacent electrodes. The electrode...journal article 2020
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Rezaei, N. (author), Procel Moya, P.A. (author), Simor, Marcel (author), Vroon, Zeger (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...journal article 2020
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Tian, Y. (author), Bento Montes, A.R. (author), Vančo, Ľubomír (author), Čaplovičová, Mária (author), Vogrinčič, Peter (author), Šutta, Pavol (author), Satrapinskyy, Leonid (author), Zeman, M. (author), Isabella, O. (author)The knowledge of the structural and compositional details of Si/BaSi<sub>2</sub>/Si heterostructure annealed at high temperature is a prerequisite for BaSi<sub>2</sub> application in heterojunction thin-film solar cells. For this purpose, Si/BaSi<sub>2</sub>/Si heterostructures deposited by magnetron sputtering with different Si layer...journal article 2020
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de Vries, Tim N.C. (author), Bronkhorst, Joris (author), Vermeer, Martijn (author), Donker, Jaap C.B. (author), Briels, Sven A. (author), Ziar, H. (author), Zeman, M. (author), Isabella, O. (author)A quick-scan yield prediction method has been developed to assess rooftop photovoltaic (PV) potential. The method has three main parts. For each roof, first (i) virtual 3D roof segments were reconstructed using aerial imagery, then, (ii) PV modules were automatically fitted onto roof segments using a fitting algorithm and finally, (iii) expected...journal article 2020
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Scire, D. (author), Procel Moya, P.A. (author), Gulino, Antonino (author), Isabella, O. (author), Zeman, M. (author), Crupi, Isodiana (author)The application of molybdenum oxide in the photovoltaic field is gaining traction as this material can be deployed in doping-free heterojunction solar cells in the role of hole selective contact. For modeling-based optimization of such contact, knowledge of the molybdenum oxide defect density of states (DOS) is crucial. In this paper, we...journal article 2020
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Pomaska, Manuel (author), Köhler, Malte (author), Procel Moya, P.A. (author), Zamchiy, Alexandr (author), Singh, Aryak (author), Kim, Do Yun (author), Isabella, O. (author), Zeman, M. (author), Li, Shenghao (author)N-type microcrystalline silicon carbide (μc-SiC:H(n)) is a wide bandgap material that is very promising for the use on the front side of crystalline silicon (c-Si) solar cells. It offers a high optical transparency and a suitable refractive index that reduces parasitic absorption and reflection losses, respectively. In this work, we...journal article 2020
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Scire, D. (author), Bonadonna, Marco (author), Zhao, Y. (author), Procel Moya, P.A. (author), Isabella, O. (author), Zeman, M. (author), Macaluso, Robert (author), Mosca, Mauro (author), Crupi, Isodiana (author)The use of transition metal oxides for the selective carrier contact in the crystalline silicon solar cells technology is rising to interest for the excellent optoelectrical properties of these materials whose implementation, however, can result in lousy performing cells due to an S-shaped electrical characteristic. In this paper, we fabricated...conference paper 2020
Searched for: department%3A%22Electrical%255C%252BSustainable%255C%252BEnergy%22
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