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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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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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Mazzarella, 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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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
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Chandra Mouli, G.R. (author), van Duijsen, P.J. (author), Velzeboer, Tim (author), Ganesan Nair, Gireesh (author), Zhao, Yunpeng (author), Isabella, O. (author), Bauer, P. (author), Jamodkar, A. (author), Silvester, S. (author), Zeman, M. (author)
Charging electric vehicles from solar energy provides a sustainable means of transportation. This paper shows the design of solar powered e-bike charging station that provides AC, DC and contactless charging of e-bikes. The DC charger allows direct DC charging of the e-bike from the DC power of the photovoltaic panels (PV) without the need for...
conference paper 2018
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Ahmadpanahi, S.H. (author), Vismara, R. (author), Isabella, O. (author), Zeman, M. (author)
Total electric field in a periodic thin-film structure is described by its Fourier coefficients. These coefficients can be used to calculate the share of different resonances in total absorption in the structure.
conference paper 2018
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Vismara, R. (author), Dane Linssen, N. P. (author), Wang, Ken X. (author), Fan, Shanhui (author), Isabella, O. (author), Zeman, M. (author)
We present a modelling study of thin silicon based solar cells endowed with periodic and decoupled front/back textures. After careful optimization, the proposed device models exhibit absorption beyond the Lambertian light trapping limit for a wide range of light angles of incidence. The advanced light management scheme is applied to (nano...
conference paper 2018
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Rezaei, N. (author), Isabella, O. (author), Vroon, Zeger (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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Ziar, H. (author), Mishra, Sandeep (author), Isabella, O. (author), Zeman, M. (author)
This paper suggests a measurable parameter, the so-called Shading Tolerability (ST), to be added on PV modules datasheet. Using this parameter, PV modules can be compared and classified regarding the ability to oppose shading effects. The parameter is extracted based on mathematical and probability analysis, then measured using a Large Area...
conference paper 2018
document
Tian, Y. (author), Bento Montes, A.R. (author), Isabella, O. (author), Zeman, M. (author)
Regarded as a promising absorber material for solar cell applications, Barium disilicide (BaSi2) is still confronted with issues related to surface oxidation. Here, we use a-Si.H deposited by plasma-enhanced chemical vapor deposition as capping layer to prevent surface oxidation of sputtered BaSi2 films. Based on crystalline quality and...
conference paper 2018
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den Heeten, Thomas (author), Narayan, N.S. (author), Diehl, J.C. (author), Verschelling, Jeroen (author), Silvester, S. (author), Popovic, J. (author), Bauer, P. (author), Zeman, M. (author)
Solar Home Systems (SHSs) can fulfil the basic energy needs of the globally unelectrified population. With costs as one of the biggest barriers for SHS uptake, optimizing the system size with energy needs is crucial. Where most solutions focus only on the present needs, this work also addresses the future energy needs. The methodology includes...
conference paper 2017
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Perez Rodriguez, P. (author), Digdaya, I.A. (author), Mangel Raventos, A. (author), Falkenberg, M. (author), Vasudevan, R.A. (author), Zeman, M. (author), Smith, W.A. (author), Smets, A.H.M. (author)
One of the main problems of renewable energies is storage of the energy carrier. For long-term storage, solar fuels seem to be a good option. Direct solar water splitting could play an important role in the production of these solar fuels. One of the main challenges of this process is the charge separation and collection at the interfaces. The...
conference paper 2016
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Chandra Mouli, G.R. (author), Leendertse, Mark (author), Prasanth, V. (author), Bauer, P. (author), Silvester, S. (author), van de Geer, S.G. (author), Zeman, M. (author)
The paper analyses the economic and environmental benefits of charging electric vehicles (EV) at workplaces in the Netherlands using photovoltaic panels (PV). A 10kW EV-PV charging system is used to charge the electric cars directly from photovoltaic panels. The cost of using a gasoline vehicle is compared with that of an electric vehicle that...
conference paper 2016
document
Gao, Y. (author), Dong, J. (author), Isabella, O. (author), Zeman, M. (author), Zhang, G (author)
Diverse solar irradiance spectra can be observed under different conditions of time, date, location, weather, etc. Since the solar irradiance spectrum is required by certain scientific and engineering applications, obtaining accurate spectral data is essential. Measurements by spectrophotometers are able to achieve accurate real-time data with...
conference paper 2016
document
Chandra Mouli, G.R. (author), Kaptein, Johan (author), Bauer, P. (author), Zeman, M. (author)
Dynamic charging of electric vehicles (EV) refers to charging the EV using variable charging power. This is important for applications where the EV is charged from intermittent renewable energy sources like wind or solar. Dynamic charging can be implemented using three standards - AC charging, DC charging via Chademo and CCS/COMBO. This paper...
conference paper 2016
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Chandra Mouli, G.R. (author), Schijffelen, Jos (author), Bauer, P. (author), Zeman, M. (author)
Magnetic cores like powdered iron cores have a variable permeability, which is dependent on the magnetic motive force of the inductor windings. When inductors are designed using such materials, the inductance varies as a function of the inductor current. This causes a non-linear current to flow through the inductor. In this paper, mathematical...
conference paper 2016
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Isabella, O. (author), Ganesan Nair, G. (author), Tozzi, A (author), Hernandez Castro Barreto, J (author), Chandra Mouli, G.R. (author), Lantsheer, F (author), van Berkel, S (author), Zeman, M. (author)
Photovoltaic (PV) systems are progressively used for decentralized electricity generation. To obtain the maximum yield from such systems, optimisation of all components is essential. In this contribution, we provide a comprehensive modelling and sizing of PV systems for any location. Three applications are here presented providing real time...
conference paper 2015
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Chandra Mouli, G.R. (author), Bauer, P. (author), Zeman, M. (author)
conference paper 2015
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