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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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Procel, Paul
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2024Opto-electrical modelling and roadmap for 2T monolithic Perovskite/CIGS tandem solar cellscitations
- 2022The fundamental operation mechanisms of nc-SiOX≥0:H based tunnel recombination junctions revealedcitations
- 2022Slow Shallow Energy States as the Origin of Hysteresis in Perovskite Solar Cellscitations
- 2022Future of n-type PV
- 2022Introducing a comprehensive physics-based modelling framework for tandem and other PV systemscitations
- 2022Raman spectroscopy of silicon with nanostructured surfacecitations
- 2022Achieving 23.83% conversion efficiency in silicon heterojunction solar cell with ultra-thin MoOx hole collector layer via tailoring (i)a-Si:H/MoOx interfacecitations
- 2021Design and optimization of hole collectors based on nc-SiOx:H for high-efficiency silicon heterojunction solar cellscitations
- 2021On current collection from supporting layers in perovskite/c-Si tandem solar cellscitations
- 2020Copper-Plating Metallization With Alternative Seed Layers for c-Si Solar Cells Embedding Carrier-Selective Passivating Contactscitations
- 2020Realizing the Potential of RF-Sputtered Hydrogenated Fluorine-Doped Indium Oxide as an Electrode Material for Ultrathin SiO x/Poly-Si Passivating Contactscitations
- 2019Effective Passivation of Black Silicon Surfaces via Plasma-Enhanced Chemical Vapor Deposition Grown Conformal Hydrogenated Amorphous Silicon Layercitations
- 2018Poly-crystalline silicon-oxide films as carrier-selective passivating contacts for c-Si solar cellscitations
- 2017Poly-Si(O)x passivating contacts for high-efficiency c-Si IBC solar cellscitations
Places of action
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article
Effective Passivation of Black Silicon Surfaces via Plasma-Enhanced Chemical Vapor Deposition Grown Conformal Hydrogenated Amorphous Silicon Layer
Abstract
<p>Solar cells based on black silicon (b-Si) are proven to be promising in photovoltaics (PVs) by exceeding 22% efficiency. To reach high efficiencies with b-Si surfaces, the most crucial step is the effective surface passivation. Up to now, the highest effective minority carrier lifetimes are achieved with atomic layer-deposited Al<sub>2</sub>O<sub>3</sub> or thermal SiO<sub>2</sub>. Plasma-enhanced chemical vapor deposition (PECVD)-grown hydrogenated amorphous silicon (a-Si:H) passivation of b-Si is seldom reported due to conformality problems. In this current study, b-Si surfaces superposed on standard pyramidal textures, also known as modulated surface textures (MSTs), are successfully passivated by PECVD-grown conformal layers of a-Si:H. It is shown that under proper plasma-processing conditions, the effective minority carrier lifetimes of samples endowed with front MST and rear standard pyramidal textures can reach up to 2.3 ms. A route to the conformal growth is described and developed by transmission electron microscopic (TEM) images. Passivated MST samples exhibit less than 4% reflection in a wide spectral range from 430 to 1020 nm.</p>