Publications de Marko Mladenovic

Silver Bismuth Iodides for Photovoltaic Applications: Insights from Ab Initio Calculations and Experimental Analysis

Michael Graetzel, Ursula Röthlisberger, Jovana Milic, Marko Mladenovic, Mohammad Ibrahim Dar, Jingshan Luo, Jeong-Hyeok Im, Farzaneh Jahanbakhshi

American Chemical Society (ACS)2025

Photo De-Mixing in Dion-Jacobson 2D Mixed Halide Perovskites

Michael Graetzel, Ursula Röthlisberger, Jovana Milic, Marko Mladenovic, Algirdas Ducinskas

2D halide perovskites feature a versatile structure, which not only enables the fine-tuning of their optoelectronic properties but also makes them appealing as model systems to investigate the fundamental properties of hybrid perovskites. In this study, th ...

2022

Interplay of Kinetic and Thermodynamic Reaction Control Explains Incorporation of Dimethylammonium Iodide into CsPbI3

David Lyndon Emsley, Ursula Röthlisberger, Marko Mladenovic, Ariadni Boziki, Mathias Dankl, Dominik Józef Kubicki, Aditya Mishra

CsPbI3 is a promising material for optoelectronics owing to its thermal robustness and favorable bandgap. However, its fabrication is challenging because its photoactive phase is thermodynamically unstable at room temperature. Adding dimethylammonium (DMA) ...

AMER CHEMICAL SOC2022

Multimodal host–guest complexation for efficient and stable perovskite photovoltaics

Michael Graetzel, Shaik Mohammed Zakeeruddin, David Lyndon Emsley, Ursula Röthlisberger, Felix Thomas Eickemeyer, Jovana Milic, Marko Mladenovic, Ulf Anders Hagfeldt, Hong Zhang, Dan Ren

Formamidinium lead iodide perovskites are promising light-harvesting materials, yet stabilizing them under operating conditions without compromising optimal optoelectronic properties remains challenging. We report a multimodal host–guest complexation strat ...

Nature Research2021

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

Michael Graetzel, Shaik Mohammed Zakeeruddin, David Lyndon Emsley, Ursula Röthlisberger, Jovana Milic, Marko Mladenovic, Ulf Anders Hagfeldt, Dominik Józef Kubicki, Yuhang Liu, Michael Allan Hope

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

Organic Spacers in 2D Perovskites: General Trends and Structure-Property Relationships from Computational Studies

Ursula Röthlisberger, Marko Mladenovic, Ariadni Boziki, Mathias Dankl, Paramvir Ahlawat, Farzaneh Jahanbakhshi

Addition of large organic molecules to halide perovskites has been shown to provoke dimensionality reduction and formation of two-dimensional phases that demonstrate improved long-term stabilities. Optoelectronic properties of the resulting 2D layered pero ...

WILEY-V C H VERLAG GMBH2021

Naphthalenediimide/Formamidinium-Based Low-Dimensional Perovskites

Michael Graetzel, Shaik Mohammed Zakeeruddin, David Lyndon Emsley, Ursula Röthlisberger, Jacques-Edouard Moser, Jovana Milic, Pascal Alexander Schouwink, Marko Mladenovic, Dominik Józef Kubicki, Paramvir Ahlawat

Low-dimensional hybrid perovskites have emerged as promising materials for optoelectronic applications. Although these materials have already demonstrated enhanced stability as compared to their three-dimensional perovskite analogues, their functionality h ...

2021

Why choosing the right partner is important: stabilization of ternary Cs(y)GUA(x)FA((1-y-x))PbI(3)perovskites

Michael Graetzel, Ursula Röthlisberger, Marko Mladenovic, Ariadni Boziki

Lead halide perovskites with mixtures of monovalent cations have attracted wide attention due to the possibility of preferentially stabilizing the perovskite phase with respect to photovoltaically less suitable competing phases. Here, we present a theoreti ...

ROYAL SOC CHEMISTRY2020

Crown Ether Modulation Enables over 23% Efficient Formamidinium-Based Perovskite Solar Cells

Michael Graetzel, Shaik Mohammed Zakeeruddin, David Lyndon Emsley, Ursula Röthlisberger, Kevin Sivula, Jun Ho Yum, Mounir Driss Mensi, Felix Thomas Eickemeyer, Jovana Milic, Marko Mladenovic

The use of molecular modulators to reduce the defect density at the surface and grain boundaries of perovskite materials has been demonstrated to be an effective approach to enhance the photovoltaic performance and device stability of perovskite solar cell ...

2020

Unravelling the structural complexity and photophysical properties of adamantyl-based layered hybrid perovskites

Michael Graetzel, Shaik Mohammed Zakeeruddin, Ursula Röthlisberger, Wolfgang Richard Tress, Jovana Milic, Marko Mladenovic, Ulf Anders Hagfeldt, Mohammad Ibrahim Dar, Amita Ummadisingu, Paramvir Ahlawat

Layered hybrid perovskites comprising adamantyl spacer (A) cations based on the A(2)FA(n-1)Pb(n)I(3n+1)(n= 1-3, FA = formamidinium) compositions have recently been shown to act as promising materials for photovoltaic applications. While the corresponding p ...

Royal Society of Chemistry2020