activity
20162023
most citedSynthesis, Optoelectronic Properties, and Charge Carrier Dynamics of Colloidal Quasi-two-dimensional Cs3Bi2I9 Perovskite Nanosheets

24 citations · 95 across the 9 of their papers we have counts for

collaborators

9 papers

cond-mat.mtrl-sci2023★ 24 cited

Synthesis, Optoelectronic Properties, and Charge Carrier Dynamics of Colloidal Quasi-two-dimensional Cs3Bi2I9 Perovskite Nanosheets

Sushant Ghimire, Chris Rehhagen, Saskia Fiedler +3

Non-toxicity and stability make two-dimensional (2D) bismuth halide perovskites better alternatives to lead-based ones for optoelectronic applications and catalysis. In this work,…

cond-mat.mes-hall2023★ 15 cited

Sub-to-super-Poissonian photon statistics in cathodoluminescence of color center ensembles in isolated diamond crystals

Saskia Fiedler, Sergii Morozov, Danylo Komisar +8

Impurity-vacancy centers in diamond offer a new class of robust photon sources with versatile quantum properties. While individual color centers commonly act as single-photon sourc…

cond-mat.mes-hall2021★ 19 cited

Disentangling cathodoluminescence spectra in nanophotonics: particle eigenmodes vs transition radiation

Saskia Fiedler, P. Elli Stamatopoulou, Artyom Assadillayev +6

Cathodoluminescence spectroscopy performed in an electron microscope has proven a versatile tool for analysing the near- and far-field optical response of plasmonic and dielectric…

cond-mat.mes-hall2021

Brobdingnagian photon bunching in cathodoluminescence of excitons in WS monolayer

Saskia Fiedler, Sergii Morozov, Leonid Iliushyn +7

Cathodoluminescence spectroscopy in conjunction with second-order auto-correlation measurements of allows to extensively study the synchronization of quantum light sources…

physics.optics2020★ 12 cited

The importance of substrates for the visibility of "dark" plasmonic modes

Saskia Fiedler, Søren Raza, Ruoqi Ai +5

Dark plasmonic modes have interesting properties, such as a longer lifetime and a narrower linewidth than their radiative counterpart, as well as little to no radiative losses. How…

physics.optics2019

Enhancement of the UV emission from gold/ZnO nanorods exhibiting no green luminescence

Saskia Fiedler, Laurent O. Lee Cheong Lem, Cuong Ton-That +2

Large reflection losses at interfaces in light emitting semiconductor devices cause a significant reduction in their light emission and energy efficiencies. Metal nanoparticle (NP)…

physics.optics2019★ 20 cited

The role of surface depletion layer effects on the enhancement of the UV emission in ZnO induced by a nanostructured Al surface coating

Saskia Fiedler, Laurent O. Lee Cheong Lem, Cuong Ton-That +1

The UV enhancement of Al-coated ZnO single crystals with a wide range of carrier densities is systematically studied using depth-resolved cathodoluminescence (CL) and photoluminesc…

physics.optics2019

Correlative Study of Enhanced Excitonic Emission in ZnO Coated with Al Nanoparticles using Electron and Laser Excitation

Saskia Fiedler, Laurent O. Lee, Cheong Lem +4

Metal nanoparticle (NP) surface coatings are known to significantly enhance the ultra-violet luminescence intensity of ZnO. Although there is general agreement that resonantly exci…

cond-mat.mtrl-sci2016★ 5 cited

Bright Room-Temperature Single Photon Emission from Defects in Gallium Nitride

Amanuel M. Berhane, Kwang-Yong Jeong, Zoltán Bodrog +8

Single photon emitters play a central role in many photonic quantum technologies. A promising class of single photon emitters consists of atomic color centers in wide-bandgap cryst…