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Photonics in Flatland: Band Structure Engineering of 2D Excitons in Fluorescent Colloidal Nanomaterials

Total Cost €


EC-Contrib. €






 PHOCONA project word cloud

Explore the words cloud of the PHOCONA project. It provides you a very rough idea of what is the project "PHOCONA" about.

synthesis    modified    fluorescent    quasi    solution    structure    ongoing    photon    suspended    structures    exfoliation    synthesized    metal    ultrafast    density    dimensions    exciton    confinement    light    processed    nm    2d    lighting    nanomaterials    communications    monolayers    lattice    created    volumes    milestone    mode    single    plasmonic    plane    small    transition    nanoscale    phocona    shaped    shell    semiconductor    heterostructures    stimulated    multiexciton    coupling    nanocrystal    advantage    emitters    surrounding    sources    blinking    asymmetric    quantum    display    intrinsic    efficient    flexible    coherent    placing    free    smart    enhancement    energy    prepared    modifications    dielectric    colloidal    matrix    optical    purcell    dichalcogenide    respectively    below    excitons    toward    crystal    chemistry    band    nanoplates    class    thickness    stable    realization    local    emission    strain    forms    scalable    recombination    nanocavities    mismatch    hereby    potentials    volume    liquid    core    anisotropic   

Project "PHOCONA" data sheet

The following table provides information about the project.


Organization address
city: GENT
postcode: 9000

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Belgium [BE]
 Total cost 1˙427˙625 €
 EC max contribution 1˙427˙625 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2016-STG
 Funding Scheme ERC-STG
 Starting year 2017
 Duration (year-month-day) from 2017-10-01   to  2022-09-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITEIT GENT BE (GENT) coordinator 1˙427˙625.00


 Project objective

In PHOCONA we aim to develop a new class of highly fluorescent 2D and quasi-2D colloidal nanomaterials for solution-processed coherent light sources and ultrafast single-photon emitters. The 2D excitons are created in suspended semiconductor nanoplates with a thickness below 5 nm, and transition-metal dichalcogenide monolayers. Prepared by colloidal chemistry and liquid-phase exfoliation, respectively, they take advantage of both quantum confinement through their nanoscale dimensions, as well as dielectric confinement via the dielectric mismatch between nanomaterials and surrounding matrix. Via smart nanocrystal design, more specifically by exploiting novel synthesis methods that include asymmetric in-plane confinement potentials, anisotropic crystal structures, and lattice strain-induced band structure modifications in core/shell heterostructures, the nanomaterials will be shaped toward efficient multiexciton and stimulated emission, as well as stable, blinking-free single-photon emission. The intrinsic 2D exciton properties will be further modified toward ultrafast exciton recombination by coupling the nanomaterials to small mode-volume plasmonic nanocavities, hereby placing them in a local photon density-of-states that will lead to a strong Purcell enhancement. The realization of cost-effective, energy-efficient and highly flexible light emitters, which can be synthesized and processed via methods that are scalable to large areas and volumes, forms an important milestone in the ongoing development of optical and quantum communications technology, as well as new lighting and display applications.


year authors and title journal last update
List of publications.
2019 Michael T. Quick, Nina Owschimikow, Ali Hossain Khan, Anatolii Polovitsyn, Iwan Moreels, Ulrike Woggon, Alexander W. Achtstein
Two-photon based pulse autocorrelation with CdSe nanoplatelets
published pages: 17293-17300, ISSN: 2040-3364, DOI: 10.1039/c9nr06156h
Nanoscale 11/37 2020-04-24
2019 Judith F. Specht, Riccardo Scott, Marta Corona Castro, Sotirios Christodoulou, Guillaume H. V. Bertrand, Anatol V. Prudnikau, Artsiom Antanovich, Laurens D. A. Siebbeles, Nina Owschimikow, Iwan Moreels, Mikhail Artemyev, Ulrike Woggon, Alexander W. Achtstein, Marten Richter
Size-dependent exciton substructure in CdSe nanoplatelets and its relation to photoluminescence dynamics
published pages: 12230-12241, ISSN: 2040-3364, DOI: 10.1039/c9nr03161h
Nanoscale 11/25 2020-04-24
2020 Elena V. Shornikova, Aleksandr A. Golovatenko, Dmitri R. Yakovlev, Anna V. Rodina, Louis Biadala, Gang Qiang, Alexis Kuntzmann, Michel Nasilowski, Benoit Dubertret, Anatolii Polovitsyn, Iwan Moreels, Manfred Bayer
Surface spin magnetism controls the polarized exciton emission from CdSe nanoplatelets
published pages: , ISSN: 1748-3387, DOI: 10.1038/s41565-019-0631-7
Nature Nanotechnology 2020-04-24
2019 Beatriz Martín‐García, Davide Spirito, Sebastiano Bellani, Mirko Prato, Valentino Romano, Anatolii Polovitsyn, Rosaria Brescia, Reinier Oropesa‐Nuñez, Leyla Najafi, Alberto Ansaldo, Giovanna D\'Angelo, Vittorio Pellegrini, Roman Krahne, Iwan Moreels, Francesco Bonaccorso
Extending the Colloidal Transition Metal Dichalcogenide Library to ReS 2 Nanosheets for Application in Gas Sensing and Electrocatalysis
published pages: 1904670, ISSN: 1613-6810, DOI: 10.1002/smll.201904670
Small 15/52 2020-04-24
2019 Ali Hossain Khan, Valerio Pinchetti, Ivo Tanghe, Zhiya Dang, Beatriz Martín-García, Zeger Hens, Dries Van Thourhout, Pieter Geiregat, Sergio Brovelli, Iwan Moreels
Tunable and Efficient Red to Near-Infrared Photoluminescence by Synergistic Exploitation of Core and Surface Silver Doping of CdSe Nanoplatelets
published pages: 1450-1459, ISSN: 0897-4756, DOI: 10.1021/acs.chemmater.8b05334
Chemistry of Materials 31/4 2019-06-06
2018 Sotirios Christodoulou, Juan I. Climente, Josep Planelles, Rosaria Brescia, Mirko Prato, Beatriz Martín-García, Ali Hossain Khan, Iwan Moreels
Chloride-Induced Thickness Control in CdSe Nanoplatelets
published pages: 6248-6254, ISSN: 1530-6984, DOI: 10.1021/acs.nanolett.8b02361
Nano Letters 18/10 2019-06-06

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