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DECAGON SIGNED

Doping Colloidal Nanoplatelets: Synthesis, Self-assembly and Spectroscopy

Total Cost €

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EC-Contrib. €

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Partnership

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 DECAGON project word cloud

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

cdse    fundamental    rising    optical    attracted    assemblies    dimensional    scrutiny    community    absorbance    nanosheets    colloidal    soft    coupled    form    collective    optoelectronic    interaction    doping    extend    templating    mobility    decade    ions    nanoplatelets    transition    supraparticles    afterwards    small    fluorescence    thin    density    photoluminescence    bulk    cdte    orientation    flat    absorption    cu2    synthetic    structural    route    photovoltaic    xrd    interesting    opto    degree    tune    carrier    emission    electronic    materials    cds    lifetimes    emitting    spectroscopy    cells    excitation    two    assembly    interface    depletion    direct    exfoliated    mn2    solar    npls    physical    devise    transistor    prerequisite    techniques    metal    graphene    outstanding    assemble    emerged    fine    ag    strategies    grafting    characterization    spectra    atomically    platelets    quasi    polymer    effect    solution    nanomaterials    doped    2d    structure    semiconducting    last    tem    light    offers    objects    stem    single   

Project "DECAGON" data sheet

The following table provides information about the project.

Coordinator
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS 

Organization address
address: RUE MICHEL ANGE 3
city: PARIS
postcode: 75794
website: www.cnrs.fr

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 France [FR]
 Project website http://www.cnrs.fr/inc/communication/direct_labos/nano-plaquettes.htm
 Total cost 185˙076 €
 EC max contribution 185˙076 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2016
 Duration (year-month-day) from 2016-01-11   to  2018-01-10

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS FR (PARIS) coordinator 185˙076.00

Map

 Project objective

Two dimensional (2D) nanomaterials have attracted rising scrutiny from the research community in the last decade due to their outstanding physical, optical and structural properties. Beyond the well-known example of graphene and other exfoliated bulk materials, a new colloidal route has recently emerged towards such materials and offers a high degree of control on the structure of these nanosheets. Among these, atomically flat, quasi-two dimensional, colloidal semiconducting (CdS, CdSe and CdTe) nanoplatelets (NPLs) have very interesting opto-electronic properties. Our goal is to fully exploit the potential of these NPLs by doping them with transition metal ions (Mn2, Cu2 or Ag). With the help of doping in such small systems, we can tune the absorbance, photoluminescence, carrier density and mobility of these materials and extend the potential of these materials for various applications such as field effect transistor, light emitting devices or photovoltaic solar cells. We will devise new synthetic strategies towards doped semiconducting NPLs and characterize their structural and optical and electronic properties using state of the art techniques. Advanced structural characterization (XRD, TEM, STEM) will be coupled to optical spectroscopy (fluorescence lifetimes, absorption, emission and excitation spectra) both in solution and on single objects. Afterwards, we will assemble these thin doped platelets together to form supraparticles and large-scale assemblies using different soft-matter techniques (depletion interaction, polymer grafting, templating by an interface) in order to tune their optoelectronic properties. A fine control of the assembly process would direct to new fundamental collective effects and easy processing and orientation of doped platelets, which is a prerequisite for their use in applications.

 Publications

year authors and title journal last update
List of publications.
2017 Santanu Jana, Marta de Frutos, Patrick Davidson, Benjamin Abécassis
Ligand-induced twisting of nanoplatelets and their self-assembly into chiral ribbons
published pages: e1701483, ISSN: 2375-2548, DOI: 10.1126/sciadv.1701483
Science Advances 3/9 2019-06-18

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