449 citations · 861 across the 15 of their papers we have counts for
15 papers
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…
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…
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…
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…
Preserving the Stoichiometry of Triple-Cation Perovskites by Carrier-Gas-Free Antisolvent Spraying
Oscar Telschow, Miguel Albaladejo-Siguan, Lena Merten +9
The use of antisolvents during the fabrication of solution-processed lead halide perovskite layers is increasingly common. Usually, the antisolvent is applied by pipetting during t…
A General Approach to High Efficiency Perovskite Solar Cells by Any Antisolvent
Alexander D. Taylor, Qing Sun, Katelyn P. Goetz +6
Deposition of perovskite thin films by antisolvent engineering is one of the most common methods employed in perovskite photovoltaics research. Herein, we report on a general metho…
Shining Light on Photoluminescence Properties of Metal Halide Perovskites
Katelyn P. Goetz, Alexander D. Taylor, Fabian Paulus +1
Lead halide perovskites are a remarkable class of materials that have emerged over the past decade as being suitable for application in a broad range of devices, such as solar cell…
Dipolar Hole-Blocking Layers for Inverted Perovskite Solar Cells: Effects of Aggregation and Electron Transport Levels
Julian F. Butscher, Qing Sun, Yufeng Wu +7
Herein, we report on the synthesis and investigation of two triazino-isoquinoline tetrafluoroborate electrolytes as hole-blocking layers in methylammonium triiodide perovskite phot…
Enhancing the Open-Circuit Voltage of Perovskite Solar Cells by Embedding Molecular Dipoles within their Hole-Blocking Layer
Julian F. Butscher, Sebastian Intorp, Joshua Kress +7
Engineering the energetics of perovskite photovoltaic devices through the deliberate introduction of dipoles to control the built-in potential of the devices offers the opportunity…
Ligand Dependent Oxidation Dictates the Performance Evolution of High Efficiency PbS Quantum Dot Solar Cells
David Becker-Koch, Miguel Albaladejo Siguan, Vincent Lami +4
Lead sulfide (PbS) quantum dot (QD) photovoltaics have reached impressive efficiencies of 12%, making them particularly promising for future applications. Like many other types of…
Efficient and Stable PbS Quantum Dot Solar Cells by Triple-Cation Perovskite Passivation
Miguel Albaladejo-Siguan, David Becker-Koch, Alexander D. Taylor +5
Solution-processed quantum dots (QDs) have a high potential for fabricating low cost, flexible and large-scale solar energy harvesting devices. It has recently been demonstrated th…
Energy Transfer to a Stable Donor Suppresses Degradation in Organic Solar Cells
Andreas Weu, Rhea Kumar, Julian F. Butscher +4
Despite many advances towards improving the stability of organic photovoltaic devices, environmental degradation under ambient conditions remains a challenging obstacle for future…
Effect of Precursor Stoichiometry on the Performance and Stability of MAPbBr3 Photovoltaic Devices
Lukas M. Falk, Katelyn P. Goetz, Vincent Lami +7
The wide band gap methylammonium lead bromide perovskite is promising for applications in tandem solar cells and light-emitting diodes. Despite its utility, there is only a limited…
Enhancing the Open-Circuit Voltage of Perovskite Solar Cells by up to 120 mV using π-Extended Phosphoniumfluorene Electrolytes as Hole Blocking Layers
Qingzhi An, Qing Sun, Andreas Weu +7
Four π-extended phosphoniumfluorene electrolytes (π-PFEs) are introduced as hole-blocking layers (HBL) in inverted architecture planar perovskite solar cells (PVSCs) with the struc…