activity
20122024
most citedRevealing the internal luminescence quantum efficiency of perovskite films via accurate quantification of photon recycling

56 citations · 143 across the 9 of their papers we have counts for

collaborators

9 papers

cond-mat.mtrl-sci2024★ 49 cited

Understanding and exploiting interfacial interactions between phosphonic acid functional groups and co-evaporated perovskites

Thomas Feeney, Julian Petry, Abderrezak Torche +10

Interfacial engineering has fueled recent development of p-i-n perovskite solar cells (PSCs), with self-assembled monolayer-based hole-transport layers (SAM-HTLs) enabling almost l…

cond-mat.mtrl-sci2023★ 1 cited

Decoupling Bimolecular Recombination Mechanisms in Perovskite Thin Films Using Photoluminescence Quantum Yield

Robert Lee Chin, Arman Mahboubi Soufiani, Paul Fassl +6

We present a novel analytical model for analysing the spectral photoluminescence quantum yield of non-planar semiconductor thin films. This model considers the escape probability o…

physics.optics2023

Surface Saturation Current Densities of Perovskite Thin Films from Suns-Photoluminescence Quantum Yield Measurements

Robert Lee Chin, Arman Mahboubi Soufiani, Paul Fassl +6

We present a simple, yet powerful analysis of Suns-photoluminescence quantum yield measurements that can be used to determine the surface saturation current densities of thin film…

physics.app-ph2022

Implied Open-circuit Voltage Imaging via a Single Bandpass Filter Method: Its First Application in Perovskite Solar Cells

Arman Mahboubi Soufiani, Robert Lee-Chin, Paul Fassl +7

A direct, camera-based implied open-circuit voltage (iVOC) imaging method via the novel use of a single bandpass filter (s-BPF) is developed for large-area photovoltaic solar cells…

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★ 22 cited

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…

physics.app-ph2019

Fractional Deviations in Precursor Stoichiometry Dictate the Properties, Performance and Stability of Perovskite Photovoltaic Devices

Paul Fassl, Vincent Lami, Alexandra Bausch +4

The last five years have witnessed a remarkable progress in the field of lead halide perovskite materials and devices. Examining the existing body of literature reveals staggering…

physics.app-ph2019

Effect of Ion Migration Induced Electrode Degradation on the Operational Stability of Perovskite Solar Cells

Boris Rivkin, Paul Fassl, Qing Sun +3

Perovskite-based solar cells are promising due to their rapidly improving efficiencies, but suffer from instability issues. Recently it has been claimed that one of the key contrib…

cond-mat.dis-nn2012★ 15 cited

Low temperature dipolar echo in amorphous dielectrics: Significance of relaxation and decoherence free two level systems

Alexander L. Burin, John M. Leveritt, Gudrun Fickenscher +6

The nature of dielectric echoes in amorphous solids at low temperatures is investigated. It is shown that at long delay times the echo amplitude is determined by a small subset of…