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Publications associées (122)

Tuning Napththalenediimide Cations for Incorporation into Ruddlesden–Popper-Type Hybrid Perovskites

Jacques-Edouard Moser, Kevin Sivula, Jun Ho Yum, Simon Nussbaum, Liang Yao, Etienne Christophe Socie

Layered hybrid organic−inorganic perovskite (LHOIP) materials constructed with low-band-gap chromophore-based organic spacer cations are anemerging class of materials that promise unique tunability of their optoelectronic properties. However, the large siz ...

2022

Exploring new avenues for perovskite photovoltaics: Molecular functionalization of layered lead-halide perovskites and defect mitigation in lead-free double perovskites

Barbara Alexandra Primera Darwich

Halide perovskites have seen, over the past years, a tremendous increase in photovoltaic power conversion efficiencies as device working mechanisms are unveiled. Lead halide perovskites are at the forefront of halide perovskite research given their intrigu ...

EPFL2022

Hysteresis-Free Planar Perovskite Solar Module with 19.1% Efficiency by Interfacial Defects Passivation

Ulf Anders Hagfeldt, Bowen Yang, Jiajia Suo

In few years, perovskite solar devices have reached high efficiency on lab scale cells. Upscaling to module size, effective perovskite recipe and posttreatment are of paramount importance to the breakthrough of the technology. Herein this work, the develop ...

WILEY-V C H VERLAG GMBH2022

Exploring pi-extended subporphyrinoids as electron transporting materials in perovskite solar cells

Mohammad Khaja Nazeeruddin, Hiroyuki Kanda, Pavel Culik

Due to their strong acceptor properties and enhanced charge transport capabilities, non-fullerene electron acceptors based on pi-extended derivatives - subnaphthalocyanines (SubNc) or subphtalocyanine dimers (SubPc(2)) - have been employed in organic photo ...

WORLD SCIENTIFIC PUBL CO PTE LTD2022

Cooperative effects of Dopant-Free Hole-Transporting materials and polycarbonate film for sustainable perovskite solar cells

Jianxing Xia

Dopant-free hole-transporting materials (HTMs) and interface modification are two effective approaches for developing sustainable perovskite solar cells (PSCs). In this work, dopant-free HTM (GW-4) containing an N- ethyl-carbazole with two rotatable vinyl ...

ELSEVIER SCIENCE SA2022

Composition and Pressure Effects on Partitioning of Ferrous Iron in Iron-Rich Lower Mantle Heterogeneities

Philippe Gillet, Marco Cantoni, James Badro, Susannah McGregor Dorfman, Farhang Nabiei, Charles-Edouard Boukaré

Both seismic observations of dense low shear velocity regions and models of magma ocean crystallization and mantle dynamics support enrichment of iron in Earth’s lowermost mantle. Physical properties of iron-rich lower mantle heterogeneities in the modern ...

2021

Investigating Magma Ocean Solidification on Earth Through Laser‐Heated Diamond Anvil Cell Experiments

Philippe Gillet, Cécile Hébert, Marco Cantoni, James Badro, Farhang Nabiei, Charles-Edouard Boukaré

We carried out a series of silicate fractional crystallization experiments at lower mantle pressures using the laser-heated diamond anvil cell. Phase relations and the compositional evolution of the cotectic melt and equilibrium solids along the liquid lin ...

2021

Layered Hybrid Formamidinium Lead Iodide Perovskites: Challenges and Opportunities

Michael Graetzel, Shaik Mohammed Zakeeruddin, Jovana Milic

Hybrid halide perovskite materials have become one of the leading candidates for various optoelectronic applications. They are based on organic-inorganic structures defined by the AMX(3) composition, were A is the central cation that can be either organic ...

AMER CHEMICAL SOC2021

Nanoscale Phase Segregation in Supramolecular π-Templating for Hybrid Perovskite Photovoltaics from NMR Crystallography

Shaik Mohammed Zakeeruddin, David Lyndon Emsley, Ursula Röthlisberger, Jovana Milic, Yuhang Liu, Michael Allan Hope, Marko Mladenovic, Ulf Anders Hagfeldt, Dominik Józef Kubicki, Paramvir Ahlawat, Manuel Cordova, Aditya Mishra, Brian Irving Carlsen, Farzaneh Jahanbakhshi, Loï Charles Carbone, Rashmi Runjhun, Toru Nakamura, Thomas Schneeberger

The use of layered perovskites is an important strategy to improve the stability of hybrid perovskite materials and their optoelectronic devices. However, tailoring their properties requires accurate structure determination at the atomic scale, which is a ...

2021

In Situ Graded Passivation via Porphyrin Derivative with Enhanced Photovoltage and Fill Factor in Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Yi Zhang, Bing Zhang, Keith Gregory Brooks

While perovskite solar cells (PSCs) have recently experienced a rapid rise in power conversion efficiency (PCE), the prevailing PSCs still contain nondesirable defects in the interior and interface of the perovskite layer, which limits further enhancement ...

WILEY-V C H VERLAG GMBH2021

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