Nikolaos Lempesis

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Publications associées (16)

From Chalcogen Bonding to S-π Interactions in Hybrid Perovskite Photovoltaics

Ursula Röthlisberger, Laura Piveteau, Virginia Carnevali, Mathias Dankl, Nikolaos Lempesis, Lorenzo Agosta, Dominik Józef Kubicki

The stability of hybrid organic-inorganic halide perovskite semiconductors remains a significant obstacle to their application in photovoltaics. To this end, the use of low-dimensional (LD) perovskites, which incorporate hydrophobic organic moieties, provi ...

WILEY2024

Nanoscale size affects in $α$-FAPbI$_3$ evinced large-scale ab initio simulations

Ursula Röthlisberger, Virginia Carnevali, Nikolaos Lempesis, Lorenzo Agosta

Formamidinium-lead-iodide (FAPbI3) has established itself as the state of the art for high solar-energy conversion efficiency in perovskite-based solar cells. FAPbI3 has a rich phase diagram, and it has been noted that long-range correlation between organi ...

Zenodo2024

Low-loss contacts on textured substrates for inverted perovskite solar cells

Shaik Mohammed Zakeeruddin, Mingyang Wei, Ursula Röthlisberger, Felix Thomas Eickemeyer, Virginia Carnevali, Nikolaos Lempesis, Lorenzo Agosta

Inverted perovskite solar cells (PSCs) promise enhanced operating stability compared to their normal-structure counterparts1–3. To improve efficiency further, it is crucial to combine effective light management with low interfacial losses4,5. Here we devel ...

2023

Buried Interface Engineering Enables Efficient and 1,960-hour Isos-L-2i Stable Inverted Perovskite Solar Cells

Michael Graetzel, Shaik Mohammed Zakeeruddin, Ursula Röthlisberger, Felix Thomas Eickemeyer, Mathias Dankl, Virginia Carnevali, Xiong Li, Nikolaos Lempesis, Mingyang Wei, Lorenzo Agosta

High-performance perovskite solar cells (PSCs) typically require interfacial passivation, yet this is challenging for the buried interface, owing to the dissolution of passivation agents during the deposition of perovskites. Here, we overcome this limitati ...

Zenodo2023

Buried Interface Engineering Enables Efficient and 1,960‐hour Isos‐L‐2i Stable Inverted Perovskite Solar Cells

Michael Graetzel, Shaik Mohammed Zakeeruddin, Ursula Röthlisberger, Felix Thomas Eickemeyer, Mathias Dankl, Virginia Carnevali, Xiong Li, Nikolaos Lempesis, Mingyang Wei, Lorenzo Agosta

Wiley2024

Cooperative passivation of perovskite solar cells by alkyldimethylammonium halide amphiphiles

Michael Graetzel, Shaik Mohammed Zakeeruddin, David Lyndon Emsley, Ursula Röthlisberger, Felix Thomas Eickemeyer, Lukas Pfeifer, Thomas Paul Baumeler, Mathias Dankl, Nikolaos Lempesis, Ulf Anders Hagfeldt

2023

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