activity
20132023
most citedDetermination of the exciton binding energy and effective masses for the methylammonium and formamidinium lead tri-halide perovskite family

773 citations · 1.7k across the 13 of their papers we have counts for

collaborators

13 papers

cond-mat.mtrl-sci2023

Generalised Framework for Controlling and Understanding Ion Dynamics with Passivated Lead Halide Perovskites

Tomi K. Baikie, Philip Calado, Krzysztof Galkowski +11

Metal halide perovskite solar cells have gained widespread attention due to their high efficiency and high defect tolerance. The absorbing perovskite layer is as a mixed electron-i…

physics.app-ph2020

Local energy landscape drives long exciton diffusion in 2D halide perovskite semiconductors

Alan Baldwin, Géraud Delport, Kai Leng +4

Halide perovskites have emerged as disruptive semiconductors for applications including photovoltaics and light emitting devices, with modular optoelectronic properties realisable…

physics.optics2020★ 136 cited

Identifying and reducing interfacial losses to enhance color-pure electroluminescence in blue-emitting perovskite nanoplatelet light-emitting diodes

Robert L. Z. Hoye, May-Ling Lai, Miguel Anaya +12

Perovskite nanoplatelets (NPls) hold great promise for light-emitting applications, having achieved high photoluminescence quantum efficiencies (PLQEs) approaching unity in the blu…

physics.app-ph2020★ 44 cited

Printed high-mobility p-type buffer layers on perovskite photovoltaics for efficient semi-transparent devices

Robert A. Jagt, Tahmida N. Huq, Sam A. Hill +10

Perovskite solar cells (PSCs) with transparent electrodes can be integrated with existing solar panels in tandem configurations to increase the power conversion efficiency. A criti…

cond-mat.mes-hall2019★ 49 cited

Phase Transition Induced Carrier Mass Enhancement in 2D Ruddlesden-Popper Perovskites

Michal Baranowski, Szymon J. Zelewski, Mikael Kepenekian +10

There is a variety of possible ways to tune the optical properties of 2D perovskites, though the mutual dependence between different tuning parameters hinders our fundamental under…

cond-mat.mes-hall2019★ 56 cited

Giant Fine Structure Splitting of the Bright Exciton in a Bulk MAPbBr Single Crystal

Michal Baranowski, Krzysztof Galkowski, Alessandro Surrente +13

Exciton fine structure splitting in semiconductors reflects the underlying symmetry of the crystal and quantum confinement. Since the latter factor strongly enhances the exchange i…

physics.chem-ph2018★ 57 cited

Site-selective measurement of coupled spin pairs in an organic semiconductor

Sam L. Bayliss, Leah R. Weiss, Anatol Mitioglu +14

From organic electronics to biological systems, understanding the role of intermolecular interactions between spin pairs is a key challenge. Here we show how such pairs can be sele…

physics.app-ph2017★ 303 cited

The impact of the halide cage on the electronic properties of fully inorganic caesium lead halide perovskites

Z. Yang, A. Surrente, K. Galkowski +8

Perovskite solar cells with record power conversion efficiency are fabricated by alloying both hybrid and fully inorganic compounds. While the basic electronic properties of the hy…

cond-mat.mtrl-sci2017★ 200 cited

Unraveling the exciton binding energy and the dielectric constant in single crystal methylammonium lead tri-iodide perovskite

Zhuo Yang, Alessandro Surrente, Krzysztof Galkowski +6

We have accurately determined the exciton binding energy and reduced mass of single crystals of methylammonium lead tri-iodide using magneto-reflectivity at very high magnetic fiel…

cond-mat.mes-hall2016★ 81 cited

Magneto-excitons in large area CVD grown monolayer MoS and MoSe on sapphire

A. A. Mitioglu, K. Galkowski, A. Surrente +5

Magneto transmission spectroscopy was employed to study the valley Zeeman effect in large-area monolayer MoS and MoSe. The extracted values of the valley g-factors for…

cond-mat.mes-hall2015★ 773 cited

Determination of the exciton binding energy and effective masses for the methylammonium and formamidinium lead tri-halide perovskite family

Krzysztof Galkowski, Anatolie Mitioglu, Atsuhiko Miyata +8

The family of organic-inorganic halide perovskite materials has generated tremendous interest in the field of photovoltaics due to their high power conversion efficiencies. There h…

cond-mat.mes-hall2015★ 7 cited

Single-color, in situ photolithography marking of individual CdTe/ZnTe Quantum Dots containing a single Mn2+ ion

Krzysztof Sawicki, Filip K. Malinowski, Krzysztof Galkowski +4

A simple, single-color method for permanent marking of the position of individual self-assembled semiconductor Quantum Dots (QDs) at cryogenic temperatures is reported. The method…

cond-mat.mtrl-sci2013★ 8 cited

Modification of emission properties of ZnO layers due to plasmonic near-field coupling to Ag nanoislands

Joanna Papierska, Bartłomiej S. Witkowski, Anastasiya Derkachova +7

A simple fabrication method of Ag nanoislands on ZnO films is presented. Continuous wave and time-resolved photoluminescence and transmission are employed to investigate modificati…