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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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Hou, Y.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (27/27 displayed)
- 2021Toward Stable Monolithic Perovskite/Silicon Tandem Photovoltaics: A Six-Month Outdoor Performance Study in a Hot and Humid Climatecitations
- 2020Enhanced optical path and electron diffusion length enable high-efficiency perovskite tandemscitations
- 2018Evidence of Tailoring the Interfacial Chemical Composition in Normal Structure Hybrid Organohalide Perovskites by a Self-Assembled Monolayercitations
- 2018A generic interface to reduce the efficiency-stability-cost gap of perovskite solar cellscitations
- 2017A generic interface to reduce the efficiency-stability-cost gap of perovskite solar cellscitations
- 2016Deciphering the Role of Impurities in Methylammonium Iodide and Their Impact on the Performance of Perovskite Solar Cellscitations
- 2016Exploring the Limiting Open-Circuit Voltage and the Voltage Loss Mechanism in Planar CH<inf>3</inf>NH<inf>3</inf>PbBr<inf>3</inf> Perovskite Solar Cellscitations
- 2016Organic and perovskite solar modules innovated by adhesive top electrode and depth-resolved laser patterningcitations
- 2016A Series of Pyrene-Substituted Silicon Phthalocyanines as Near-IR Sensitizers in Organic Ternary Solar Cellscitations
- 2016Overcoming Electrode-Induced Losses in Organic Solar Cells by Tailoring a Quasi-Ohmic Contact to Fullerenes via Solution-Processed Alkali Hydroxide Layerscitations
- 2016Effective Ligand Engineering of the Cu<inf>2</inf>ZnSnS<inf>4</inf> Nanocrystal Surface for Increasing Hole Transport Efficiency in Perovskite Solar Cellscitations
- 2016Overcoming the Interface Losses in Planar Heterojunction Perovskite-Based Solar Cellscitations
- 2016Photoinduced degradation of methylammonium lead triiodide perovskite semiconductorscitations
- 2016Extending the environmental lifetime of unpackaged perovskite solar cells through interfacial designcitations
- 2016Coloring Semitransparent Perovskite Solar Cells via Dielectric Mirrorscitations
- 2015Interface engineering of perovskite hybrid solar cells with solution-processed perylene-diimide heterojunctions toward high performancecitations
- 2015Sub-bandgap photon harvesting for organic solar cells via integrating up-conversion nanophosphorscitations
- 2015Elucidating the Excited-State Properties of CuInS<inf>2</inf> Nanocrystals upon Phase Transformation: Quasi-Quantum Dots Versus Bulk Behaviorcitations
- 2015High-performance semitransparent perovskite solar cells with solution-processed silver nanowires as top electrodescitations
- 2015A universal interface layer based on an amine-functionalized fullerene derivative with dual functionality for efficient solution processed organic and perovskite solar cellscitations
- 2015Low-Temperature Solution-Processed Kesterite Solar Cell Based on in Situ Deposition of Ultrathin Absorber Layercitations
- 2015Pushing efficiency limits for semitransparent perovskite solar cellscitations
- 2015In-situ X-ray diffraction analysis of the recrystallization process in Cu2ZnSnS4nanoparticles synthesised by hot-injectioncitations
- 2015Inverted, Environmentally Stable Perovskite Solar Cell with a Novel Low-Cost and Water-Free PEDOT Hole-Extraction Layercitations
- 2014Improved high-efficiency perovskite planar heterojunction solar cells via incorporation of a polyelectrolyte interlayercitations
- 2014Towards low-cost, environmentally friendly printed chalcopyrite and kesterite solar cellscitations
- 2002Assessment of Proton Microbeam Analysis of 11B for Quantitative Microdistribution Analysis of Boronated Neutron Capture Agent Analogs in Biological Tissues
Places of action
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article
A Series of Pyrene-Substituted Silicon Phthalocyanines as Near-IR Sensitizers in Organic Ternary Solar Cells
Abstract
<jats:p>An attractive method to broaden the absorption bandwidth of polymer/fullerene‐based bulk heterojunction (BHJ) solar cells is to blend near infrared (near‐IR) sensitizers into the host system. Axial substitution of silicon phthalocyanines (Pcs) opens a possibility to modify the chemical, thermodynamic, electronic, and optical properties. Different axial substitutions are already designed to modify the thermodynamic properties of Pcs, but the impact of extending the <jats:italic>π</jats:italic>‐conjugation of the axial ligand on the opto‐electronic properties, as a function of the length of the alkyl spacer, has not been investigated yet. For this purpose, a novel series of pyrene‐substituted silicon phthalocyanines (SiPc‐Pys) with varying lengths of alkyl chain tethers are synthesized. The UV–vis and external quantum efficiency (EQE) results exhibit an efficient near IR sensitization up to 800 nm, clearly establishing the impact of the pyrene substitution. This yields an increase of over 20% in the short circuit current density (<jats:italic>J</jats:italic> <jats:sub>SC</jats:sub>) and over 50% in the power conversion efficiency (PCE) for the dye‐sensitized ternary device. Charge generation, transport properties, and microstructure are studied using different advanced technologies. Remarkably, these results provide guidance for the diverse and judicious selection of dye sensitizers to overcome the absorption limitation and achieve high efficiency ternary solar cells.</jats:p>