Tom Theodorus Antonius Lummen

Cette personne n’est plus à l’EPFL

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Publications associées (61)

Phosphine Oxide Derivative as a Passivating Agent to Enhance the Performance of Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Hiroyuki Kanda, Mounir Driss Mensi, Hobeom Kim, Cansu Igci, Tom Theodorus Antonius Lummen, Aron Joel Huckaba, Valentin Ianis Emmanuel Queloz, Aditya Gilra, Albertus Adrian Sutanto

Defects of metal-halide perovskites detrimentally influence the optoelectronic properties of the thin film and, ultimately, the photovoltaic performance of perovskite solar cells (PSCs). Especially, defect-mediated nonradiative recombination that occurs at ...

2021

Beyond Tolerance Factor: Using Deep Learning for Prediction Formability of ABX3 Perovskite Structures

Mohammad Khaja Nazeeruddin, Tom Theodorus Antonius Lummen, Valentin Ianis Emmanuel Queloz, Alexander Fedorovskiy

Deep learning (DL) is a modern powerful instrument for multiple purposes, including classification. In this study, this technique is applied to the task of perovskites formability. A commonly known perovskite dataset is used to try to make an instrument su ...

2021

Robust Inorganic Hole Transport Materials for Organic and Perovskite Solar Cells: Insights into Materials Electronic Properties and Device Performance

Mohammad Khaja Nazeeruddin, Tom Theodorus Antonius Lummen, Antonio Abate

Interfaces in perovskite and organic solar cells play a central role in advancing efficiency and prolong device durability. They improve charge transport/transfer from the absorber layer to the collecting electrodes, while also blocking the opposite charge ...

2021

Novel photoelectric material of perovskite-like (CH3)(3)SPbI3 nanorod arrays with high stability

Mohammad Khaja Nazeeruddin, Tom Theodorus Antonius Lummen, Wei Liu, Ruiyuan Hu, Shanshan Xiao

Organometallic halide perovskite materials make great achievements in optoelectronic fields, especially in solar cells, in which the organic cations contain amine components. However, the amine with N-H bonds is easily hydrolyzed with moisture in the air, ...

2021

Elucidating the Doping Mechanism in Fluorene-Dithiophene-Based Hole Selective Layer Employing Ultrahydrophobic Ionic Liquid Dopant

Mohammad Khaja Nazeeruddin, Sanghyun Paek, Tom Theodorus Antonius Lummen, Laura Calio

Perovskite solar cells have set a new milestone in terms of efficiencies in the thin film photovoltaics category. Long-term stability of perovskite solar cells is of paramount importance but remains a challenging task. The lack of perovskite solar cells st ...

2020

Nanoscale Mass-Spectrometry Imaging of Grain Boundaries in Perovskite Semiconductors

Mohammad Khaja Nazeeruddin, Iwan Zimmermann, Hiroyuki Kanda, Paul Gratia, Tom Theodorus Antonius Lummen

Incorporation of alkali metals such as Cs+, Rb+, and K+ into hybrid organic-inorganic halide lead perovskites (HOIPs) generally improves the optoelectronic properties of HOIPs. However, it is still uncertain how alkali metals interact and distribute within ...

2020

The Role of Goldschmidt's Tolerance Factor in the Formation of A(2)BX(6) Double Halide Perovskites and its Optimal Range

Mohammad Khaja Nazeeruddin, Tom Theodorus Antonius Lummen, Nikita Drigo, Alexander Fedorovskiy

Vacancy-ordered double perovskites is a new branch of lead-free halide perovskites with properties promising for photovoltaic application. In this study, data about the crystal structure of 170 known A(2)BX(6) (X = I, Br, Cl, F) are collected and analyzed ...

2020

Universal approach toward high-efficiency two-dimensional perovskite solar cells via a vertical-rotation process

Mohammad Khaja Nazeeruddin, Tom Theodorus Antonius Lummen, Pascal Alexander Schouwink, Yong Ding, Filippo de Angelis, Cristina Roldán Carmona, Mo Li, Cheng Liu

The emerging 2D perovskites exhibit superior stability and similar optoelectronic attributes compared to the 3D analogues, but their strong exciton-binding energy and inferior interlayer charge-transport reduce dramatically the device performance. Herein, ...

2020

Inorganic and Hybrid Interfacial Materials for Organic and Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Tom Theodorus Antonius Lummen

As organic solar cells (OSCs) and perovskite solar cells (PVSCs) move closer to commercialization, further efforts toward optimizing both cell efficiency and stability are needed. As interfaces strongly affect device performance and degradation processes, ...

2020

Dimension-Controlled Growth of Antimony-Based Perovskite-like Halides for Lead-Free and Semitransparent Photovoltaics

Mohammad Khaja Nazeeruddin, Tom Theodorus Antonius Lummen, Yong Ding, Xuehui Liu, Cheng Liu

Antimony (Sb) has been identified as a promising candidate for replacing toxic lead (Pb) in perovskite materials because Sb-based perovskite-like halides exhibit not only intrinsic thermodynamic stability but also a unique set of intriguing optoelectronic ...

2020

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Robust Inorganic Hole Transport Materials for Organic and Perovskite Solar Cells: Insights into Materials Electronic Properties and Device Performance

Mohammad Khaja Nazeeruddin, Tom Theodorus Antonius Lummen, Antonio Abate

2021

Elucidating the Doping Mechanism in Fluorene-Dithiophene-Based Hole Selective Layer Employing Ultrahydrophobic Ionic Liquid Dopant

Mohammad Khaja Nazeeruddin, Sanghyun Paek, Tom Theodorus Antonius Lummen, Laura Calio

2020