Mounir Driss Mensi

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Publications associées (76)

Defect engineered nanostructured LaFeO3 photoanodes for improved activity in solar water oxidation

Kevin Sivula, Mounir Driss Mensi, Liang Yao, Nestor Guijarro Carratala, Yongpeng Liu, Xavier Pereira Da Costa

LaFeO3 (LFO) is recognized as a candidate material for solar water oxidation, but its photoelectrochemical response remains modest and stagnant. With the aim of advancing LFO photoanodes for the oxygen evolution reaction (OER), here, a nanorod array-type e ...

Royal Society of Chemistry2021

Multipulsed Millisecond Ozone Gasification for Predictable Tuning of Nucleation and Nucleation-Decoupled Nanopore Expansion in Graphene for Carbon Capture

Kumar Varoon Agrawal, Mounir Driss Mensi, Kuang-Jung Hsu, Heng-Yu Chi, Luis Francisco Villalobos Vazquez de la Parra, Mostapha Dakhchoune, Shiqi Huang, Guangwei He, Wan-Chi Lee

Predictable and tunable etching of angstrom-scale nanopores in single-layer graphene (SLG) can allow one to realize high-performance gas separation even from similar-sized molecules. We advance toward this goal by developing two etching regimes for SLG whe ...

2021

Spectroelectrochemical and Chemical Evidence of Surface Passivation at Zinc Ferrite (ZnFe 2 O 4 ) Photoanodes for Solar Water Oxidation

Michael Graetzel, Kevin Sivula, Mounir Driss Mensi, Meng Xia, Liang Yao, Nestor Guijarro Carratala, Dan Ren, Yongpeng Liu

Recent advances in low‐cost manufacturing as well as in bulk/interface engineering have positioned zinc ferrite (ZnFe2O4, ZFO) in the spotlight as a candidate material for solar water oxidation. However, the severe recombination at the reactive interface r ...

2021

Identifying Reactive Sites and Surface Traps in Chalcopyrite Photocathodes

Michael Graetzel, Kevin Sivula, Mounir Driss Mensi, Meng Xia, Liang Yao, Nestor Guijarro Carratala, Yongpeng Liu

Gathering information on the atomic nature of reactive sites and trap states is key to fine tuning catalysis and suppressing deleterious surface voltage losses in photoelectrochemical technologies. Here, spectroelectrochemical and computational methods wer ...

Wiley-VCH Verlag GmbH2021

Nanoscale interfacial engineering enables highly stable and efficient perovskite photovoltaics

Michael Graetzel, Shaik Mohammed Zakeeruddin, Ursula Röthlisberger, Mounir Driss Mensi, Sandy Sanchez Alonso, Mathias Dankl, Ulf Anders Hagfeldt, Hong Zhang, Anurag Krishna, Olivier Ouellette

We present a facile molecular-level interface engineering strategy to augment the long-term operational and thermal stability of perovskite solar cells (PSCs) by tailoring the interface between the perovskite and hole transporting layer (HTL) with a multif ...

2021

Highly Planar Benzodipyrrole-Based Hole Transporting Materials with Passivation Effect for Efficient Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Mounir Driss Mensi, Hiroyuki Kanda, Albertus Adrian Sutanto, Hobeom Kim, Cansu Igci

Three benzodipyrrole (BDP)-based organic small molecules with substituted 4-methoxyphenyl (CB-1), 3-fluorophenyl (CB-2), and 3-trifluoromethylphenyl (CB-3) are designed, synthesized, and used as a hole-transporting material (HTM) for perovskite solar cells ...

WILEY-V C H VERLAG GMBH2021

Formation of High-Performance Multi-Cation Halide Perovskites Photovoltaics by delta-CsPbI3/delta-RbPbI3 Seed-Assisted Heterogeneous Nucleation

Michael Graetzel, Shaik Mohammed Zakeeruddin, Mounir Driss Mensi, Felix Thomas Eickemeyer, Thomas Paul Baumeler, Ulf Anders Hagfeldt, Zaiwei Wang, Bowen Yang, Linfeng Pan, Essa Awadh R Alharbi

The performance of perovskite solar cells is highly dependent on the fabrication method; thus, controlling the growth mechanism of perovskite crystals is a promising way towards increasing their efficiency and stability. Herein, a multi-cation halide compo ...

2021

Mechanistic Insights into the Role of the Bis(trifluoromethanesulfonyl) imide Ion in Coevaporated p-i-n Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Mounir Driss Mensi, Klaus Leifer, Cristina Roldán Carmona, Hiroyuki Kanda, Albertus Adrian Sutanto, Cansu Igci, Nadja Isabelle Desiree Klipfel, Keith Gregory Brooks

Hybrid lead halide perovskites have reached comparable efficiencies to state-of-the-art silicon solar cell technologies. However, a remaining key challenge toward commercialization is the resolution of the perovskite device instability. In this work, we id ...

2021

Crystallographically Oriented Hybrid Perovskites via Thermal Vacuum Codeposition

Mohammad Khaja Nazeeruddin, Mounir Driss Mensi, Yen-Cheng Liu, Cristina Roldán Carmona, Hiroyuki Kanda, Nadja Isabelle Desiree Klipfel, Cheng Liu, Maria Cristina Momblona Rincón

Hybrid lead halide perovskites typically form polycrystalline films that have multiple grain sizes and surface defects. A key engineering challenge toward commercialization is therefore the production of homogeneous, defect-free largearea devices achieving ...

2021

Lead Sequestration from Perovskite Solar Cells Using a Metal-Organic Framework Polymer Composite

Mohammad Khaja Nazeeruddin, Tom Theodorus Antonius Lummen, Wendy Lee Queen, Mounir Driss Mensi, Yi Zhang, Aron Joel Huckaba, Daniel Teav Sun, Albertus Adrian Sutanto

Perovskite solar cells (PSCs) have increased in power conversion efficiency in the last 10 years, from approximate to 3% to now over 25%. While the best perovskite photovoltaics have remarkable efficiencies, the Pb-based absorber is likely problematic for ...

2020

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