240 citations · 270 across the 10 of their papers we have counts for
11 papers
Decoding Thermal Stability: In situ Insights into Phase Controlled Phosphine-free Colloidal Bi-Te Nanosheets
Fagui He, Kevin Oldenburg, Rostyslav Lesyuk +1
Bismuth telluride (Bi2Te3) is a prototypical V-VI semiconductor of interest for both thermoelectric and topological applications; however, phase-selective synthesis and thermal sta…
Unlocking klockmannite: formation of colloidal quasi-2D CuSe nanocrystals and photo-physical properties arising from crystal anisotropy
Urvi Parekh, Nadiia Didukh, Samira Dabelstein +8
Copper selenide is an exceptional quasi-layered monolithic material that exhibits both semiconducting and metallic properties in adjacent visible and near-infrared (NIR) spectral r…
Tunable Colloidal Synthesis Enabling μ-ARPES on Individual Two-dimensional Bismuth Nanocrystals
Fagui He, Yan Yan Grisan Qiu, Simone Mearini +4
Two-dimensional bismuth (Bi) is a promising platform for quantum and energy technologies due to strong spin-orbit coupling, high thermoelectric efficiency, and magnetoresistance. H…
Colloidal quasi-2D Cs2AgBiBr6 double perovskite nanosheets: synthesis and application as high-performance photodetectors
Pannan I. Kyesmen, Eugen Klein, Brindhu Malani S +2
The search for non-toxic lead-free halide perovskites that can compete with the lead-based counterparts has led to the emergence of double perovskites as potential candidates. Amon…
Boosting Photodetection via Plasmonic Coupling in Quasi-2D Mixed-n Ruddlesden-Popper Perovskite Nanostripes
Brindhu Malani S, Eugen Klein, Ronja Maria Piehler +2
Quasi-2D metal halide perovskites have emerged as a promising material for photodetection due to excellent optoelectronic properties, simple synthesis, and robust stability. Albeit…
Chasing Charge Carriers: Diffusion Dynamics in Mixed-n Quasi-Two-Dimensional Colloidal MAPbBr3 Perovskites
Ronja Maria Piehler, Eugen Klein, Francisco M. Gomez-Campos +3
In optoelectronic applications, metal halide perovskites (MHPs) are compelling materials because of their highly tuneable and intensely competitive optical properties. Colloidal sy…
Towards high-performance photodetectors based on quasi-2D Ruddlesden-Popper mixed-n perovskite nanomaterials
Brindhu Malani S, Eugen Klein, Rostyslav Lesyuk +1
The excellent optoelectronic properties, straightforward synthesis, and robust material stability of quasi-2D metal halide perovskites have made them a hot research topic for optoe…
Colloidal quasi-2D Methylammonium Lead Bromide Perovskite Nanostructures with Tunable Shape and High Chemical Stability
Eugen Klein, Rostyslav Lesyuk, Christian Klinke
Control over the lateral dimensions of colloidal nanostructures is a complex task which requires a deep understanding of the formation mechanism and reactivity in the corresponding…
Tailoring Charge Donor-Acceptor Interaction in CsPbBr3 Perovskite Nanocrystals through Ligand Exchange
Syed Abdul Basit Shah, Sushant Ghimire, Rostyslav Lesyuk +3
The surface ligands in colloidal metal halide perovskites influence not only their intrinsic optoelectronic properties but also their interaction with other materials and molecules…
Understanding the Optoelectronic Processes in Colloidal 2D Multi-Layered MAPbBr3 Perovskite Nanosheets: Funneling, Recombination and Self-Trapped Excitons
André Niebur, Eugen Klein, Rostyslav Lesyuk +2
Quasi two-dimensional (2D) colloidal synthesis made quantum confinement readily accessible in perovskites, generating additional momentum in perovskite LED research and lasing. Ult…
Radial elasticity of multi-walled carbon nanotubes
Ismael Palaci, Stephan Fedrigo, Harald Brune +3
We report an experimental and a theoretical study of the radial elasticity of multi-walled carbon nanotubes as a function of external radius. We use atomic force microscopy and app…