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Yang, G. (author), Ingenito, A. (author), van Hameren, Nienke (author), Isabella, O. (author), Zeman, M. (author)Ion-implanted passivating contacts based on poly-crystalline silicon (polySi) are enabled by tunneling oxide, optimized, and used to fabricate interdigitated back contact (IBC) solar cells. Both n-type (phosphorous doped) and p-type (boron doped) passivating contacts are fabricated by ion-implantation of intrinsic polySi layers deposited via low...journal article 2016
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Chandra Mouli, G.R. (author), Bauer, P. (author), Zeman, M. (author)This paper investigates the possibility of charging battery electric vehicles at workplace in Netherlands using solar energy. Data from the Dutch Meteorological Institute is used to determine the optimal orientation of PV panels for maximum energy yield in the Netherlands. The seasonal and diurnal variation in solar insolation is analyzed to...journal article 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
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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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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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Melskens, J. (author), Schnegg, A. (author), Baldansuren, A. (author), Lips, K. (author), Plokker, M.P. (author), Eijt, S.W.H. (author), Schut, H. (author), Fischer, M. (author), Zeman, M. (author), Smets, A.H.M. (author)The structural and electrical properties of metastable defects in various types of hydrogenated amorphous silicon have been studied using a powerful combination of continuous wave electron-paramagnetic resonance spectroscopy, electron spin echo (ESE) decay measurements, and Doppler broadening positron annihilation spectroscopy. The observed...journal article 2015
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Han, L. (author), Zeman, M. (author), Smets, A.H.M. (author)The growth mechanism of silicon nanocrystals (Si NCs) synthesized at a high rate by means of expanding thermal plasma chemical vapor deposition technique are studied in this letter. A bimodal Gaussian size distribution is revealed from the high-resolution transmission electron microscopy images, and routes to reduce the unwanted large Si NCs are...journal article 2015
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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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Han, L. (author), Zeman, M. (author), Smets, A.H.M. (author)This paper demonstrates that free-standing silicon nanocrystals (Si NCs) have significantly different thermal conductivity properties compared to Si NCs embedded in a host matrix. The temperatures of Si NCs under laser illumination have been determined by measuring the ratio of the Anti-Stokes to Stokes intensities of the first order Si–Si...journal article 2015
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- Chandra Mouli, G.R. (author), Bauer, P. (author), Zeman, M. (author) conference paper 2015
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Pfeiffer, T.V. (author), Ortiz Gonzalez, J. (author), Santbergen, R. (author), Tan, H. (author), Schmidt-Ott, A. (author), Zeman, M. (author), Smets, A.H.M. (author)A soft deposition method for incorporating surface plasmon resonant metal nanoparticles within photovoltaic devices was studied. This self-assembly method provides excellent control over both nanoparticle size and surface coverage. Films of spherical Ag nanoparticles with diameter of ?100 nm were fabricated by depositing size-selected aerosols...conference paper 2014
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Ingenito, A. (author), Isabella, O. (author), Zeman, M. (author)The need for cost reduction requires using less raw material and cost-effective processes without sacrificing the conversion efficiency. For keeping high the generated photo-current, an advanced light trapping scheme for ultra-thin silicon wafers is here proposed, exhibiting absorptances up to 99% of 4n2 classical absorption limit for wafer...conference paper 2014
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Deligiannis, D. (author), Alivizatos, S. (author), Ingenito, A. (author), Zhang, D. (author), Van Sebille, M. (author), Van Swaaij, R.A.C.M.M. (author), Zeman, M. (author)Silicon heterojunction (SHJ) solar cells constantly gain more attention due to their low cost and relatively high efficiency. An important aspect of these solar cells is the incorporation of intrinsic hydrogenated amorphous silicon (a-Si:H) layers at each side of the c-Si wafer, which has increased the efficiency potential due to the excellent...journal article 2014
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Ingenito, A. (author), Ortiz Lizcano, J.C. (author), Luxembourg, S.L. (author), Santbergen, R. (author), Weeber, A. (author), Isabella, O. (author), Zeman, M. (author)At present, research in c-Si solar cells is focused on increasing the efficiency while reducing the amount of used materials. Since silicon wafer and metal contribute up to 50% to the cost of a module, it is crucial to reduce the amount of these materials to fabricate cost-effective modules. In particular, for reducing the consumption of metal,...journal article 2014
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Jarolimek, K. (author), De Groot, R.A. (author), De Wijs, G.A. (author), Zeman, M. (author)Quantum wells (QWs) are nanostructures consisting of alternating layers of a low and high band-gap semiconductor. The band gap of QWs can be tuned by changing the thickness of the low band-gap layer, due to quantum confinement effects. Although this principle is well established for crystalline materials, there is still controversy for QWs...journal article 2014
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- Si, F.T. (author), Kim, D. (author), Santbergen, R. (author), Tan, H. (author), Van Swaaij, R.A.C.M.M. (author), Smets, A.H.M. (author), Isabella, O. (author), Zeman, M. (author) journal article 2014
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Santbergen, R. (author), Hairen, T. (author), Zeman, M. (author), Smets, A.H.M. (author)The scattering cross-section of a plasmonic nanoparticle is proportional to the intensity of the electric field that drives the plasmon resonance. In this work we determine the driving field pattern throughout a complete thin-film silicon solar cell. Our simulations reveal that by tuning of the thicknesses of silicon and transparent conductive...journal article 2014
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- Tan, H. (author), Psomadaki, E. (author), Isabella, O. (author), Fischer, M. (author), Babal, P. (author), Vasudevan, R.A. (author), Zeman, M. (author), Smets, A.H.M. (author) journal article 2013
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Pahud, C. (author), Isabella, O. (author), Naqavi, A. (author), Haug, F.J. (author), Zeman, M. (author), Herzig, H.P. (author), Ballif, C. (author)We study n-i-p amorphous silicon solar cells with light-scattering nanoparticles in the back reflector. In one configuration, the particles are fully embedded in the zinc oxide buffer layer; In a second configuration, the particles are placed between the buffer layer and the flat back electrode. We use stencil lithography to produce the same...journal article 2013
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Jäger, K. (author), Fischer, M. (author), Van Swaaij, R.A.C.M.M. (author), Zeman, M. (author)Thin-film silicon solar cells (TFSSC), which can be manufactured from abundant materials solely, contain nano-textured interfaces that scatter the incident light. We present an approximate very fast algorithm that allows optimizing the surface morphology of two-dimensional nano-textured interfaces. Optimized nano-textures scatter the light...journal article 2013