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DECAGON SIGNED

Doping Colloidal Nanoplatelets: Synthesis, Self-assembly and Spectroscopy

Total Cost €

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EC-Contrib. €

0

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.

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

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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