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Emad Oveisi

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Related publications (83)

Page 4 of 5

Nanocrystals as Precursors in Solid-State Reactions for Size- and Shape-Controlled Polyelemental Nanomaterials

Raffaella Buonsanti, Emad Oveisi, Anna Loiudice, Laia Castilla Amorós, Dragos-Constantin Stoian, Valeria Mantella, Chethana Janardhana Gadiyar, Pranit Srinivas Iyengar

Solid-state reactions between micrometer-size powders are among the oldest, simplest, and still widely used methods for the fabrication of inorganic solids. These reactions are intrinsically slow because, although the precursorsare "well mixed" at the macr ...

AMER CHEMICAL SOC2020

Soft-probe-scanning electrochemical microscopy reveals electrochemical surface reactivity of E. coli biofilms

Hubert Girault, Emad Oveisi, Andreas Stephan Lesch, Horst Pick, Sorour Darvishi

Investigating and understanding dynamic biofilm growth mechanisms is challenging, often because state-of-the-art optical characterization tools provide limited information. Micrometric electrochemical imaging of Escherichia coli biofilms using Soft-Probe-S ...

Elsevier2021

CsPbBr3 QD/AlOx inorganic nanocomposites with exceptional stability in water, light and heat

Raffaella Buonsanti, Emad Oveisi, Duncan Thomas Lindsay Alexander, Anna Loiudice, Seryio Saris

Herein, the assembly of CsPbBr3 QD/AlOx inorganic nanocomposites, by using atomic layer deposition (ALD) for the growth of the amorphous alumina matrix (AlOx), is described as a novel protection scheme for such QDs. The nucleation and growth of AlOx on the ...

2017

High-Performance Perovskite Solar Cells with Enhanced Environmental Stability Based on Amphiphile-Modified CH3NH3PbI3

Mohammad Khaja Nazeeruddin, Rosario Scopelliti, Ulf Anders Hagfeldt, Peng Gao, Emad Oveisi, Jingshan Luo, Peng Gao, Dongqin Bi

A new aliphatic fluorinated amphiphilic additive is added to CH3NH3PbI3 perovskite to tune the morphology and enhance the environmental stability without sacrificing the performance of the devices. Judicious screening of the perovskite precursor solution r ...

Wiley-V C H Verlag Gmbh2016

Stereo-vision three-dimensional reconstruction of curvilinear structures imaged with a TEM

Pascal Fua, Cécile Hébert, Emad Oveisi, Marco Cantoni, Guillaume Lucas, Sandro Ivo Sebastiano De Zanet

Deriving accurate three-dimensional (3-D) structural information of materials at the nanometre level is often crucial for understanding their properties. Tomography in transmission electron microscopy (TEM) is a powerful technique that provides such inform ...

Elsevier2017

Unraveling metal effects on CO2 uptake in pyrene-based metal-organic frameworks

Berend Smit, Emad Oveisi, Wendy Lee Queen, Pascal Alexander Schouwink, Christopher Patrick Ireland, Andres Adolfo Ortega Guerrero, Elias Moubarak, Jordi Espin Marti, Fatma Pelin Uran, Nency Patricio Domingues, Miriam Jasmin Pougin, Yutao Li

Pyrene-based metal-organic frameworks (MOFs) have tremendous potential for various applications. With infinite structural possibilities, the MOF community often relies on simulations to identify the most promising candidates for given applications. Among t ...

NATURE PORTFOLIO2025

Enhanced charge collection with passivation of the tin oxide layer in planar perovskite solar cells

Yi Zhang, Mohammad Khaja Nazeeruddin, Robin Humphry-Baker, Peng Gao, Emad Oveisi, Sanghyun Paek, Yonghui Lee, Kyung Taek Cho

Tin oxide is an excellent candidate to replace mesoporous TiO2 electron transport layers (ETLs) in perovskite solar cells. Here, we introduced a SnO2 layer by a low-temperature solution process, and investigated its morphology, opto-physical and electrical ...

Royal Society of Chemistry2017

Rapid, Selective Heavy Metal Removal from Water by a Metal-Organic Framework/Polydopamine Composite

Emad Oveisi, Wendy Lee Queen, Seyedmohamad Moosavi, Daniel Teav Sun, Li Peng, Davide Tiana

Drinking water contamination with heavy metals, particularly lead, is a persistent problem worldwide with grave public health consequences. Existing purification methods often cannot address this problem quickly and economically. Here we report a cheap, wa ...

2018

Synthesis of a 2D tungsten MXene for electrocatalysis

Emad Oveisi

Two-dimensional (2D) transition metal carbides, nitrides and carbonitrides, known as MXenes, are of interest as electrocatalysts. Tungsten-based MXenes are predicted to have low overpotentials in the hydrogen evolution reaction but their synthesis has prov ...

2025

Stable perovskite solar cells using tin acetylacetonate based electron transporting layers

Mohammad Khaja Nazeeruddin, Robin Humphry-Baker, Yi Zhang, Emad Oveisi, Hiroyuki Kanda, Sanghyun Paek, Kyung Taek Cho, Yonghui Lee, Aron Joel Huckaba, Hobeom Kim, Mousa Abdulla M E Abuhelaiqa

Organic-inorganic lead halide perovskites with over 23% power conversion efficiency have attracted enormous academic and industrial attention due to their low-cost fabrication and high device performance. Self-passivated tin oxide as an electron transport ...

ROYAL SOC CHEMISTRY2019

Selective growth of layered perovskites for stable and efficient photovoltaics

Manuel Tschumi, Mohammad Khaja Nazeeruddin, Emad Oveisi, Giulia Grancini, Sanghyun Paek, Pascal Alexander Schouwink, Kyung Taek Cho, Yonghui Lee

Perovskite solar cells (PSCs) are promising alternatives toward clean energy because of their high-power conversion efficiency (PCE) and low materials and processing cost. However, their poor stability under operation still limits their practical applicati ...

2018

Strontium Migration at the GDC-YSZ Interface of Solid Oxide Cells in SOFC and SOEC Modes

Jan Van Herle, Emad Oveisi, Marco Cantoni, Arata Nakajo, Pierre Burdet, Giorgio Rinaldi

Strontium migration from the oxygen electrode to the interface between the electrolyte and interlayer was investigated in solid oxide cells in fuel cell (SOFC) and electrolysis (SOEC) modes. Four samples were imaged by focused ion beam scanning electron mi ...

2017

A metal-organic framework/polymer derived catalyst containing single-atom nickel species for electrocatalysis

Emad Oveisi, Wendy Lee Queen, Mehrdad Asgari, Wen Luo, Shuliang Yang, Daniel Teav Sun, Li Peng, Olga Trukhina, Ilia Kochetygov, Dragos-Constantin Stoian, Jie Zhang

While metal-organic frameworks (MOF) alone offer a wide range of structural tunability, the formation of composites, through the introduction of other non-native species, like polymers, can further broaden their structure/property spectrum. Here we demonst ...

2020

Insights into image contrast from dislocations in ADF-STEM

Cécile Hébert, Emad Oveisi, Maria Chiara Spadaro

Competitive mechanisms contribute to image contrast from dislocations in annular dark-field scanning transmission electron microscopy (ADF-STEM). A clear theoretical understanding of the mechanisms underlying the ADF-STEM contrast is therefore essential fo ...

ELSEVIER SCIENCE BV2019

Nanoprecipitates in single-crystal molybdenum-alloy nanopillars detected by TEM and atom probe tomography

Cécile Hébert, Emad Oveisi, Helena Van Swygenhoven, Barbora Bártová, Cécile Renée Maria Marichal

Transmission electron microscopy (TEM) supported by various chemical analyses techniques as well as atom probe tomography is applied to characterize newly identified nanosized precipitates in Mo-alloy nanopillars that were prepared by directional solidific ...

Elsevier2013

Sodium chromium hexacyanoferrate as a potential cathode material for aqueous sodium-ion batteries

Hubert Girault, Emad Oveisi, Dominika Baster, Pierre Mettraux

Sodium chromium hexacyanoferrate (NaCrHCF) is obtained here using a facile co-precipitation method at room temperature. The powder was investigated in terms of potential use as a cathode material for aqueous sodium-ion batteries under neutral conditions. T ...

Royal Society of Chemistry2019

Metal-Organic-Framework-Derived Co3S4 Hollow Nanoboxes for the Selective Reduction of Nitroarenes

Emad Oveisi, Wendy Lee Queen, Shuliang Yang, Daniel Teav Sun, Li Peng, Safak Bulut

MOF-derived Co3S4/CN hollow nanoboxes (CN=nitrogen-doped carbon) was used to catalyze the chemoselective reduction of nitroarenes to anilines under mild reaction conditions with H-2 as the reducing agent. The catalyst provides high conversion efficiencies ...

2018

Selective and Stable Electroreduction of CO2 to CO at the Copper/Indium Interface

Andreas Züttel, Raffaella Buonsanti, Emad Oveisi, Wen Luo, Robin Tobias Andreas Mutschler, Gian Luca De Gregorio

2018

Efficient Polycrystalline Single‐Cation Perovskite Light‐Emitting Diodes by Simultaneous Intracrystal and Interfacial Defect Passivation (Small 1/2025)

Mohammad Khaja Nazeeruddin, Emad Oveisi

Wiley2025

Mixed-phase MOF-derived Titanium Dioxide for Photocatalytic Hydrogen Evolution: The Impact of the Templated Morphology

Emad Oveisi, Mounir Driss Mensi, Kyriakos Stylianou, Pascal Alexander Schouwink, Christopher Patrick Ireland, Stavroula Kampouri, Bardiya Valizadeh

2018