189 citations · 978 across the 18 of their papers we have counts for
18 papers
Controlling Electron-Beam-Induced Charging in Colloidal Quantum Dots
Sven Ebel, Alina Myslovska, Stefano Vezzoli +2
Colloidal quantum dots (QDs) are attractive nanoscale emitters, yet their cathodoluminescence (CL) response remains poorly understood and often unstable under electron-beam excitat…
Graphene-based technologies for energy applications, challenges and perspectives
Etienne Quesnel, Frédéric Roux, Fabrice Emieux +26
Here we report on technology developments implemented into the Graphene Flagship European project for the integration of graphene and graphene-related materials (GRMs) into energy…
Efficient charge transfer in solution-processed PbS Quantum Dot-reduced graphene oxide hybrid materials
Beatriz Martín-García, Anatolii Polovitsyn, Mirko Prato +1
Quantum dot - graphene hybrid materials have raised significant interest due to the unique synergy of the optical properties of colloidal quantum dots (QDs) and the transport prope…
Purifying single photon emission from giant shell CdSe/CdS quantum dots at room temperature
Sergii Morozov, Stefano Vezzoli, Alina Myslovska +4
Giant shell CdSe/CdS quantum dots are bright and flexible emitters, with near-unity quantum yield and suppressed blinking, but their single photon purity is reduced by efficient mu…
Giant-Shell CdSe/CdS Nanocrystals: Exciton Coupling to Shell Phonons Investigated by Resonant Raman Spectroscopy
Miao-Ling Lin, Mario Miscuglio, Anatolii Polovitsyn +5
The interaction between excitons and phonons in semiconductor nanocrystals plays a crucial role in the exciton energy spectrum and dynamics, and thus in their optical properties. W…
Composition, Size, and Surface Functionalization dependent Optical Properties of Lead Bromide Perovskite Nanocrystals
Palvasha Ijaz, Muhammad Imran, Márcio M. Soares +6
The photoluminescence (PL), color purity, and stability of lead halide perovskite nanocrystals depend critically on the surface passivation. We present a study on the temperature d…
Core/Shell CdSe/CdS Bone-Shaped Nanocrystals with a Thick and Anisotropic Shell as Optical Emitters
Andrea Castelli, Balaji Dhanabalan, Anatolii Polovitsyn +11
Colloidal core/shell nanocrystals are key materials for optoelectronics, enabling control over essential properties via precise engineering of the shape, thickness, and crystal lat…
Extending the colloidal transition metal dichalcogenide library to ReS2 nanosheets for application in gas sensing and electrocatalysis
Beatriz Martin-Garcia, Davide Spirito, Sebastiano Bellani +12
Among the large family of transition metal dichalcogenides (TMDCs), recently ReS2 has stood out due to its nearly layer-independent optoelectronic and physicochemical properties. T…
Electrical control of single-photon emission in highly-charged individual colloidal quantum dots
Sergii Morozov, Evangelina L. Pensa, Ali Hossain Khan +6
Electron transfer to an individual quantum dot promotes the formation of charged excitons with enhanced recombination pathways and reduced lifetimes. Excitons with only one or two…
Objective-free excitation of quantum emitters with a laser-written micro parabolic mirror
Sergii Morozov, Stefano Vezzoli, Ali Hossain Khan +2
The efficient excitation of quantum sources such as quantum dots or single molecules requires high NA optics which is often a challenge in cryogenics, or in ultrafast optics. Here…
Surface spin magnetism controls the polarized exciton emission from CdSe nanoplatelets
Elena V. Shornikova, Aleksandr A. Golovatenko, Dmitri R. Yakovlev +9
The surface of nominally diamagnetic colloidal CdSe nanoplatelets can demonstrate paramagnetism owing to the uncompensated spins of dangling bonds (DBSs). We reveal that by optical…
Dye-Sensitized Ternary Copper Chalcogenide Nanocrystals: Optoelectronic Properties, Air Stability and Photosensitivity
Sonam Maiti, Santanu Maiti, Ali Hossain Khan +5
We report on the effect of ligand exchange of copper sulphide selenide as well as copper selenide nanocrystals with the organic pi-system Cobalt beta-tetraaminophthalocyanine and a…
Solution-processed hybrid graphene flake/2H-MoS2 quantum dot heterostructures for efficient electrochemical hydrogen evolution
Leyla Najafi, Sebastiano Bellani, Beatriz Martin-Garcia +5
We designed solution-processed, flexible hybrid graphene flake/2H-MoS2 quantum dot (QD) heterostructures, showing enhanced electrocatalytic activity for the hydrogen evolution reac…
Graphene-Based Hole Selective Layers for High-Efficiency, Solution-Processed, Large-Area, Flexible, Hydrogen-Evolving Organic Photocathodes
Sebastiano Bellani, Leyla Najafi, Beatriz Martín-García +5
Regio-regular poly(3-hexylthiophene-2,5-diyl) (rr-P3HT), the work-horse of organic photovoltaics, has been recently exploited in bulk heterojunction (BHJ) configuration with phenyl…
Single-mode lasing from colloidal water-soluble CdSe/CdS quantum dot-in-rods
Francesco Di Stasio, Joel Q Grim, Vladimir Lesnyak +4
Core-shell CdSe/CdS nanocrystals are a very promising material for light emitting applications. Their solution-phase synthesis is based on surface-stabilizing ligands that makes th…
Strong exciton-photon coupling with colloidal nanoplatelets in an open microcavity
Lucas C. Flatten, Sotirios Christodoulou, Robin K. Patel +6
Colloidal semiconductor nanoplatelets exhibit quantum size effects due to their thickness of only few monolayers, together with strong optical band-edge transitions facilitated by…
p-State Luminescence in CdSe Nanoplatelets: The Role of Lateral Confinement and an LO Phonon Bottleneck
Alexander W. Achtstein, Riccardo Scott, Sebastian Kickhöfel +8
We report excited state emission from p-states at excitation fluences well below ground state saturation in CdSe nanoplatelets. Size dependent exciton ground state-excited state en…
Evidence of giant oscillator strength in the exciton dephasing of CdSe nanoplatelets measured by resonant four-wave mixing
Ali Naeem, Francesco Masia, Sotirios Christodoulou +3
We measured the intrinsic ground-state exciton dephasing and population dynamics in colloidal quasi two-dimensional (2D) CdSe nanoplatelets at low temperature (5-50K) using transie…