449 citations · 1.3k across the 39 of their papers we have counts for
39 papers
Unraveling the Roles of Shallow, Deep and Auger Trapping in Charge Carrier Recombination in Triple-Cation Perovskites
Jitendra Kumar, Thomas Kirchartz, Alexandr Marunchenko +7
Understanding charge-carrier recombination in metal halide perovskites is essential for accurately identifying the factors limiting solar cell efficiency, yet it remains challengin…
Rethinking Charge Transport and Recombination in Donor-diluted Organic Solar Cells
Chen Wang, Christopher Wöpke, Toni Seiler +12
We systematically investigate PM6:Y12 bulk-heterojunction solar cells with donor fractions ranging from 1% to 45%, linking morphology, charge transport, and recombination to device…
Wide-angle emission in cylindrical moiré lattices enabled by rolling origami
Min Tang, Fanzhou Lv, Haiyun Dong +8
Twisted photonic lattices that form moiré superlattices have attracted significant attention owing to their unique properties, such as strong field confinement and high-quality fac…
Molecular Cross-linking of MXenes: Tunable Interfaces and Chemiresistive Sensing
Yudhajit Bhattacharjee, Lukas Mielke, Mahmoud Al-Hussein +10
MXenes, a family of 2D transition metal compounds, have emerged as promising materials due to their unique electronic properties and tunable surface chemistry. However, the transla…
Exciton diffusion in two-dimensional chiral perovskites
Sophia Terres, Lucas Scalon, Julius Brunner +10
Two-dimensional (2D) organic-inorganic hybrid perovskites emerged as a versatile platform for light-emitting and photovol-taic applications due to their unique structural design an…
Hidden photoexcitations probed by multi-pulse photoluminescence
Alexandr Marunchenko, Jitendra Kumar, Dmitry Tatarinov +3
Time-resolved photoluminescence is a validated method for tracking the photoexcited carrier dynamics in luminescent materials. This technique probes the photoluminescence decays up…
Interdot Lead Halide Excess Management in PbS Quantum Dot Solar Cells
Miguel Albaladejo-Siguan, David Becker-Koch, Elizabeth C. Baird +7
Light-harvesting devices made from PbS quantum dot (QD) absorbers are one of the many promising technologies of third-generation photovoltaics. Their simple, solution-based fabrica…
Cation exchange synthesis of AgBiS quantum dots for highly efficient solar cells
Alina Senina, Anatol Prudnikau, Angelika Wrzesińska-Lashkova +2
Silver bismuth sulfide (AgBiS) nanocrystals have emerged as a promising eco-friendly, low-cost solar cell absorber material. Their direct synthesis often relies on the hot-inje…
Influence of chemical interactions on the electronic properties of BiOI/organic semiconductor heterojunctions for application in solution-processed electronics
Vaidehi Lapalikar, Preetam Dacha, Mike Hambsch +4
Bismuth oxide iodide (BiOI) has been viewed as a suitable environmentally-friendly alternative to lead-halide perovskites for low-cost (opto-)electronic applications such as photod…
High-efficiency perovskite-organic blend light-emitting diodes featuring self-assembled monolayers as hole-injecting interlayers
Murali Gedda, Despoina Gkeka, Mohamad Insan Nugraha +10
The high photoluminescence efficiency, color purity, extended gamut, and solution processability make low-dimensional hybrid perovskites attractive for light-emitting diode (PeLED)…
Photoluminescence Mapping over Laser Pulse Fluence and Repetition Rate as a Fingerprint of Charge and Defect Dynamics in Perovskites
Shraddha M Rao, Alexander Kiligaridis, Aymen Yangui +3
Defects in metal halide perovskites (MHP) are photosensitive, making the observer effect unavoidable when laser spectroscopy methods are applied. Photoluminescence (PL) bleaching a…
Elucidating Structure Formation in Highly Oriented Triple Cation Perovskite Films
Oscar Telschow, Niels Scheffczyk, Alexander Hinderhofer +8
Metal halide perovskites are an emerging class of crystalline semiconductors of great interest for application in optoelectronics. Their properties are dictated not only by their c…
Alloyed ReMoS Nanoflakes with Enlarged Interlayer Distances for Hydrogen Evolution
Jing Li, René Hübner, Marielle Deconinck +8
Molybdenum sulfide (MoS) has attracted significant attention due to its great potential as a low-cost and efficient catalyst for the hydrogen evolution reaction. Developing a f…
Semitransparent perovskite solar cells with an evaporated ultra-thin perovskite absorber
Zongbao Zhang, Ran Ji, Xiangkun Jia +4
Metal halide perovskites are of great interest for application in semitransparent solar cells due to their tunable bandgap and high performance. However, fabricating high-efficienc…
Solvent-antisolvent interactions in metal halide perovskites
Jose Roberto Bautista-Quijano, Oscar Telschow, Fabian Paulus +1
The fabrication of metal halide perovskite films using the solvent-engineering method is increasingly common. In this method, the crystallisation of the perovskite layer is trigger…
Towards low-temperature processing of efficient -CsPbI perovskite solar cells
Zongbao Zhang, Ran Ji, Yvonne J. Hofstetter +5
Inorganic cesium lead iodide (CsPbI) perovskite solar cells (PSCs) have attracted enormous attention due to their excellent thermal stability and optical bandgap (~1.73 eV), we…
Remarkable performance recovery in highly defective perovskite solar cells by photo-oxidation
Katelyn P. Goetz, Fabian T. F. Thome, Qingzhi An +8
Exposure to environmental factors is generally expected to cause degradation in perovskite films and solar cells. Herein, we show that films with certain defect profiles can displa…
Bis(stearoyl) Sulfide: A Stable, Odor-free Sulfur Precursor for High-Efficiency Metal Sulfide Quantum Dot Photovoltaics
Miguel Albaladejo-Siguan, Anatol Prudnikau, Alina Senina +6
The synthesis of metal sulfide nanocrystals is a crucial step in the fabrication of quantum dot (QD) photovoltaics. Control over the quantum dot size during synthesis allows for pr…
Perovskite Phase Heterojunction Solar Cells
Ran Ji, Zongbao Zhang, Yvonne J. Hofstetter +4
Modern photovoltaic devices are often based on a heterojunction structure where two components with different optoelectronic properties are interfaced. The properties of each side…
Intermolecular charge transfer enhances the performance of molecular rectifiers
Ryan P. Sullivan, John T. Morningstar, Eduardo Castellanos +5
Molecular-scale diodes made from self-assembled monolayers (SAMs) could complement silicon-based technologies with smaller, cheaper, and more versatile devices. However, advancemen…
Photophysics of defect-passivated quasi-2D (PEA)2PbBr4 perovskite using an organic small-molecule
Jafar I. Khan, Murali Gedda, Mingcong Wang +5
2D Ruddlesden - Popper perovskites are promising candidates for energy harvesting applications due to their tunable optical properties and excellent ambient stability. Moreover, th…
Dynamic Phase Enabled Topological Mode Steering in Composite Su-Schrieffer-Heeger Waveguide Arrays
Min Tang, Chi Pang, Christian N. Saggau +10
Topological boundary states localize at interfaces whenever the interface implies a change of the associated topological invariant encoded in the geometric phase. The generically p…
SnS2 thin film with in-situ and controllable Sb doping via atomic layer deposition for optoelectronic applications
Dong-Ho Shin, Jun Yang, Samik Mukherjee +10
SnS2 stands out as a highly promising two-dimensional material with significant potential for applications in the field of electronics. Numerous attempts have been undertaken to mo…
Traps and transport resistance: the next frontier for stable state-of-the-art non-fullerene acceptor solar cells
Christopher Wöpke, Clemens Göhler, Maria Saladina +17
Stability is one of the most important challenges facing organic solar cells (OSC) on their path to commercialization. In the high-performance material system PM6:Y6 studied here,…