activity
20132023
most citedThe Role of Driving Energy and Delocalised States for Charge Separation in Organic Semiconductors

1.2k citations · 3.9k across the 39 of their papers we have counts for

collaborators

43 papers

cond-mat.mtrl-sci2023★ 39 cited

Fast near-infrared photodetectors based on nontoxic and solution-processable AgBiS2

Yi-Teng Huang, Davide Nodari, Francesco Furlan +9

Solution-processable near-infrared (NIR) photodetectors are urgently needed for a wide range of next-generation electronics, including sensors, optical communications and bioimagin…

physics.bio-ph2023

Ultrafast In vivo Transient Absorption Spectroscopy

Tomi K. Baikie, Darius Kosmützky, Joshua M. Lawrence +11

Transient absorption (TA) spectroscopy has proved fundamental to our understanding of energy and charge transfer in biological systems, allowing measurements of photoactive protein…

physics.chem-ph2023

Correlating activity and defects in (photo)electrocatalysts using in-situ transient optical microscopy

Camilo A. Mesa, Michael Sachs, Ernest Pastor +8

(Photo)electrocatalysts capture sunlight and use it to drive chemical reactions such as water splitting to produce H2. A major factor limiting photocatalyst development is their la…

physics.app-ph2023

Tailoring Interlayer Charge Transfer Dynamics in 2D Perovskites with Electroactive Spacer Molecules

Yorrick Boeije, Wouter T. M. Van Gompel, Youcheng Zhang +18

The family of hybrid organic-inorganic lead-halide perovskites are the subject of intense interest for optoelectronic applications, from light-emitting diodes to photovoltaics to X…

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.optics2023

Optical Efficiency Measurements of Large Area Luminescent Solar Concentrators

Tomi K. Baikie, James Xiao, Bluebell Drummond +2

Luminescent solar concentrators (LSCs) are able to concentrate both direct and diffuse solar radiation and this ability has led to great interest in using them to improve solar ene…

physics.chem-ph2023★ 1 cited

Chemical treatments of Monolayer Transition Metal Dichalcogenides and Their Prospect in Optoelectronic Applications

Zhaojun Li, Hope Bretscher, Akshay Rao

The interest in obtaining high-quality monolayer transition metal dichalcogenides (TMDs) for optoelectronic device applications has been growing dramatically. However, the prevalen…

cond-mat.mes-hall2022★ 38 cited

Local Symmetry Breaking Drives Picosecond Spin Domain Formation in Polycrystalline Semiconducting Films

Arjun Ashoka, Satyawan Nagane, Nives Strkalj +6

Photoinduced spin-charge interconversion in semiconductors with spin-orbit coupling could provide a route to optically addressable spintronics without the use of external magnetic…

physics.optics2022★ 5 cited

Thermodynamic Limits of Photon-Multiplier Luminescent Solar Concentrators

Tomi K Baikie, Arjun Ashoka, Akshay Rao +1

Luminescent solar concentrators (LSCs) are theoretically able to concentrate both direct and diffuse solar radiation with extremely high efficiencies. Photon-multiplier luminescent…

physics.bio-ph2022★ 86 cited

Photosynthesis re-wired on the pico-second timescale

Tomi K. Baikie, Laura T. Wey, Hitesh Medipally +7

Photosystems II and I (PSII and PSI) are the reaction centre complexes that drive the light reactions of photosynthesis. PSII performs light-driven water oxidation (quantum efficie…

physics.app-ph2022★ 16 cited

Photophysical comparison of liquid and mechanically exfoliated WS monolayers

Zhaojun Li, Farnia Rashvand, Hope Bretscher +4

Semiconducting transition metal dichalcogenides (TMDs) are desired as active materials in optoelectronic devices due to their strong excitonic effects. They can be exfoliated from…

physics.chem-ph2021★ 118 cited

Tuning the coherent propagation of organic exciton-polaritons through dark state delocalization

Raj Pandya, Arjun Ashoka, Kyriacos Georgiou +7

While there have been numerous reports of long-range polariton transport at room-temperature in organic cavities, the spatio-temporal evolution of the propagation is scarcely repor…

physics.app-ph2021★ 105 cited

Operando monitoring of single-particle kinetic state-of-charge heterogeneities and cracking in high-rate Li-ion anodes

Alice J. Merryweather, Quentin Jacquet, Steffen P. Emge +3

Recent years have seen a rapidly escalating demand for battery technologies capable of storing more energy, charging more quickly and having longer usable lifetimes, driven largely…

physics.app-ph2021★ 70 cited

Dielectric control of reverse intersystem crossing in thermally-activated delayed fluorescence emitters

Alexander J. Gillett, Anton Pershin, Raj Pandya +12

Thermally-activated delayed fluorescence (TADF) enables organic semiconductors with charge transfer (CT)-type excitons to convert dark triplet states into bright singlets via a rev…

physics.chem-ph2021★ 66 cited

Untargeted Effects in Organic Exciton-Polariton Transient Spectroscopy: A Cautionary Tale

Scott Renken, Raj Pandya, Kyriacos Georgiou +6

Strong light-matter coupling to form exciton- and vibropolaritons is increasingly touted as a powerful tool to alter the fundamental properties of organic materials. It is proposed…

physics.app-ph2021★ 170 cited

Nanoscale Chemical Heterogeneity Dominates the Optoelectronic Response over Local Electronic Disorder and Strain in Alloyed Perovskite Solar Cells

Kyle Frohna, Miguel Anaya, Stuart Macpherson +7

Halide perovskites perform remarkably in optoelectronic devices including tandem photovoltaics. However, this exceptional performance is striking given that perovskites exhibit dee…

cond-mat.mtrl-sci2021

Understanding the chemical mechanism behind photo-induced enhanced Raman spectroscopy

Junzhi Ye, Rakesh Arul, Michel K. Nieuwoudt +3

Photo-Induced Enhanced Raman Spectroscopy (PIERS) is a new surface enhanced Raman spectroscopy (SERS) modality with an order-of-magnitude Raman signal enhancement of adsorbed analy…

cond-mat.mtrl-sci2020★ 257 cited

Operando optical tracking of single-particle ion dynamics and phase transitions in battery electrodes

Alice J. Merryweather, Christoph Schnedermann, Quentin Jacquet +2

Key to advancing lithium-ion battery technology, and in particular fast charging capabilities, is our ability to follow and understand the dynamic processes occurring in operating…

physics.app-ph2020★ 455 cited

The role of charge recombination to spin-triplet excitons in non-fullerene acceptor organic solar cells

Alexander J. Gillett, Alberto Privitera, Rishat Dilmurat +15

The power conversion efficiencies (PCEs) of organic solar cells (OSCs) using non-fullerene acceptors (NFAs) have now reached 18%. However, this is still lower than inorganic solar…

cond-mat.mes-hall2020★ 1 cited

How Does the Symmetry of S1 Influence Exciton Transport in Conjugated Polymers?

Raj Pandya, Antonios M. Alvertis, Qifei Gu +7

Many optoelectronic devices based on organic materials require rapid and long-range singlet exciton transport. Key factors that control the transport of singlet excitons includes t…

physics.app-ph2020★ 46 cited

Mechanistic Insight to the Chemical Treatments of Monolayer Transition Metal Disulfides for Photoluminescence Enhancement

Zhaojun Li, Hope Bretscher, Yunwei Zhang +5

There is a growing interest in obtaining high quality monolayer transition metal disulfides (TMDSs) for optoelectronic device applications. Surface chemical treatments using a rang…

cond-mat.mtrl-sci2020★ 3 cited

Ligand Directed Self-Assembly of Bulk Organic-Semiconductor/Quantum-Dot Blend Films Enables Near Quantitative Harvesting of Triplet Excitons

Jesse Allardice, Victor Gray, Simon Dowland +12

Singlet fission (SF), an exciton multiplication process occurring in organic semiconductors, offers a way to break the Shockley-Queisser limit in single-bandgap photovoltaics (PV).…

cond-mat.mtrl-sci2020

Efficient Energy Transport in an Organic Semiconductor Mediated by Transient Exciton Delocalization

Alexander J. Sneyd, Tomoya Fukui, David Palecek +15

Efficient energy transport is highly desirable for organic semiconductor (OSC) devices such as photovoltaics, photodetectors, and photocatalytic systems. However, photo-generated e…

physics.app-ph2020

Directed Energy Transfer from Monolayer to NIR Emitting PbS-CdS Quantum Dots

Arelo O. A Tanoh, Nicolas Gauriot, Géraud Delport +9

Heterostructures of two-dimensional (2D) transition metal dichalcogenides (TMDs) and inorganic semiconducting zero-dimensional (0D) quantum dots (QDs) offer unique charge and energ…