| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Qu, Yongtao
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2023A structural, optical and electrical comparison between physical vapour deposition and slot-die deposition of Al:ZnO (AZO)
- 2022Elimination of the carbon-rich layer in Cu2ZnSn(S, Se)4 absorbers prepared from nanoparticle inkscitations
- 2022Routes to Increase Performance for Antimony Selenide Solar Cells using Inorganic Hole Transport Layerscitations
- 2022Ex-situ Ge-doping of CZTS Nanocrystals and CZTSSe Solar Absorber Filmscitations
- 2022Ex situ Ge-doping of CZTS nanocrystals and CZTSSe solar absorber films.citations
- 2022Recovery mechanisms in aged kesterite solar cellscitations
- 2020Innovative fabrication of low-cost kesterite solar cells for distributed energy applications
- 2019Solution processing route to Na incorporation in CZTSSe nanoparticle ink solar cells on foil substratecitations
- 2018Photovoltaic performance of CdS/CdTe junctions on ZnO nanorod arrayscitations
- 2016Selenization kinetics inCu2ZnSn(S,Se)4 solar cells prepared from nanoparticle inkscitations
- 2016The role of nanoparticle inks in determining the performance of solution processed Cu2ZnSn(S,Se)4thin film solar cellscitations
Places of action
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article
Photovoltaic performance of CdS/CdTe junctions on ZnO nanorod arrays
Abstract
One-dimensional nanostructures, such as nanorod (NR) arrays, are expected to improve the photovoltaic (PV) response of solar cells with an ultrathin absorber due to an increased areal (junction) density and light trapping. We report on the deposition of CdS and CdTe:As semiconductor thin films on ZnO NR arrays by means of metalorganic chemical vapour deposition (MOCVD). The change in optical properties of the ZnO NRs upon the growth of CdS shell was monitored and compared to the simulated data, which confirmed the presence of strong light scattering effects in the visible and near infrared regions. The PV performance of nanostructured vs. planar CdS/CdTe solar cells (grown using the material from the same MOCVD run) showed similar conversion efficiencies (~ 4%), despite the current density being lower for the nanostructured cell due to its thicker CdS window. A clear improvement in the quantum efficiency was however observed in the near infrared region, resulting from the light trapping by the ZnO/CdS core-shell NR structure. We also showed that reduction of surface defects and use of high absorber carrier density would boost the efficiency beyond that of planar CdTe solar cells. The reported device performance and the direct observation of light trapping are promising towards optimisation of extremely-thin-absorber CdTe PV devices.