output
20092025
most citedOn-surface synthesis of graphene nanoribbons with zigzag edge topology

1.5k citations

Showing 2020 · physics.app-phShow all

13 papers · 2 filters

physics.app-ph2020★ 56 cited

Revealing the internal luminescence quantum efficiency of perovskite films via accurate quantification of photon recycling

Paul Fassl, Vincent Lami, Felix J. Berger +6

The internal luminescence quantum efficiency () provides an excellent assessment of the optoelectronic quality of semiconductors. To determine $Q_\mathrm…

physics.app-ph2020★ 28 cited

Energy Level Alignment in Ternary Organic Solar Cells

Vincent Lami, Yvonne J. Hofstetter, Julian F. Butscher +1

Ternary organic solar cells (TOSC) are currently under intensive investigation, recently reaching a record efficiency of 17.1%. The origin of the device open-circuit voltage (VOC),…

physics.app-ph2020★ 171 cited

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…

physics.app-ph2020★ 65 cited

Sequentially Deposited versus Conventional Nonfullerene Organic Solar Cells: Interfacial Trap States, Vertical Stratification, and Exciton Dissociation

Jiangbin Zhang, Moritz H. Futscher, Vincent Lami +16

Bulk-heterojunction (BHJ) non-fullerene organic solar cells prepared from sequentially deposited donor and acceptor layers (sq-BHJ) have recently been promising to be highly effici…

physics.app-ph2020★ 103 cited

Insights from Device Modeling of Perovskite Solar Cells

Nir Tessler, Yana Vaynzof

In this perspective, we explore the insights into the device physics of perovskite solar cells gained from modeling and simulation of these devices. We discuss a range of factors t…

physics.app-ph2020★ 10 cited

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…

physics.app-ph2020★ 37 cited

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…

physics.app-ph2020★ 81 cited

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…

physics.app-ph2020★ 40 cited

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…

physics.app-ph2020★ 61 cited

Top-down fabricated reconfigurable FET with two symmetric and high-current on-states

Maik Simon, Boshen Liang, Dustin Fischer +4

We demonstrate a top-down fabricated reconfigurable field effect transistor (RFET) based on a silicon nanowire that can be electrostatically programmed to p- and n-configuration. T…

physics.app-ph2020★ 7 cited

Top Dielectric Induced Ambipolarity in an n-channel dual-gated Organic Field Effect Transistor

Kaushik Bairagi, Elisabetta Zuccatti, Francesco Calavalle +6

The realization of both p-type and n-type operations in a single organic field effect transistor (OFET) is critical for simplifying the design of complex organic circuits. Typicall…

physics.app-ph2020★ 142 cited

Probing the ionic defect landscape in halide perovskite solar cells

Sebastian Reichert, Qingzhi An, Young-Won Woo +3

Point defects in metal halide perovskites play a critical role in determining their properties and optoelectronic performance; however, many open questions remain unanswered. In th…

physics.app-ph2020★ 18 cited

Wetting Properties of Graphene Aerogels

Francesco De Nicola, Ilenia Viola, Lorenzo Donato Tenuzzo +7

Graphene hydrophobic coatings paved the way towards a new generation of optoelectronic and fluidic devices. Nevertheless, such hydrophobic thin films rely only on graphene non-pola…