20/08/2019
The Human Resources Strategy for Researchers

M/F PhD FABRICATION OF COMPLEX NANOSTRUCTURED SURFACES

This job offer has expired


  • ORGANISATION/COMPANY
    CNRS
  • RESEARCH FIELD
    Chemistry
    Physics
    Technology
  • RESEARCHER PROFILE
    First Stage Researcher (R1)
  • APPLICATION DEADLINE
    09/09/2019 23:59 - Europe/Brussels
  • LOCATION
    France › PESSAC
  • TYPE OF CONTRACT
    Temporary
  • JOB STATUS
    Full-time
  • HOURS PER WEEK
    35
  • OFFER STARTING DATE
    01/11/2019

Created in 1995, the Bordeaux Institute of Condensed Matter Chemistry (ICMCB)
focuses its research on Solid Chemistry, Materials Science and
Molecular Sciences: designing, preparing, shaping and characterizing
materials to discover, master and optimize specific functions.
The ICMCB conducts fundamental research on model materials and / or
likely to have applications.
The complementarity of approaches and the synergy thus created have allowed the Institute
to reinforce its national and international position in the field of materials.

In the framework of the ANR project Nano-Appearance, we propose to exploit the remarkably rich optical properties of disordered assemblies of resonant nanoparticles in optical stacks, namely complex nanostructured surfaces, to generate visual effects, in reflection and transmission, that are unattainable with other approaches. This project takes place between synthetic chemists and material scientists in the ICMCB, theoretical opticians in the LP2N and experts in integrated optical and optoelectronic devices in the MPQA large variety of nanoparticles (porous TiO2, Si, core-shell SiO2@Au, and Au nano-objects) can already be synthesized and deposited on various substrates with existing techniques at the ICMCB. These systems will be considered in the course of the project. This project aims to push beyond what is currently possible, specifically we aim to: (i) Produce large, high-index dielectric nanoparticles with low polydispersity to create purer colors and sharper angular features. (ii) Assemble monolayers of nanoparticles in a film with unprecedented control over nanoparticle relative positions. To achieve these goals, three materials will be initially targeted: silicon nanospheres, titanium dioxide nanospheres and silver nanocubes. Silicon and titanium dioxide will be synthesized using solution chemistry to generate large quantities of particles. Silver nanocubes will be prepared using a bottom-up and top-down technique. In the ICMCB the thesis student will fabricate nanocubes in solution having a 100 nm edge length. These will then be deposited on a glass substrate using spray coating, dip coating, slide die coating. In parallel, silver nanocubes will be produced at the MPQ with the technical assistance of the local team. The nanoparticles will then be deposited on a substrate, immobilized in an elastomer and optically characterized.Skills to be acquiredThe thesis student will develop excellent synthetic skills, including working in air-free, light-free and water-free conditions. The project concerns hybrid materials, thus inorganic nanoparticle synthesis and organic polymerization will be addressed. Processing techniques such as dip-coating, doctor-blading and spin-coating will be used. Characterization techniques such as scanning and transmission electron microscopy, light spectroscopy, light scattering, X-ray diffraction and elemental analysis techniques should be mastered during the thesis.

Required Research Experiences

  • RESEARCH FIELD
    Chemistry
  • YEARS OF RESEARCH EXPERIENCE
    None
  • RESEARCH FIELD
    Physics
  • YEARS OF RESEARCH EXPERIENCE
    None
  • RESEARCH FIELD
    Technology
  • YEARS OF RESEARCH EXPERIENCE
    None

Offer Requirements

  • REQUIRED EDUCATION LEVEL
    Chemistry: Master Degree or equivalent
    Physics: Master Degree or equivalent
    Technology: Master Degree or equivalent
  • REQUIRED LANGUAGES
    FRENCH: Basic
Work location(s)
1 position(s) available at
INSTITUT DE CHIMIE DE LA MATIERE CONDENSEE DE BORDEAUX
France
PESSAC

EURAXESS offer ID: 438596
Posting organisation offer ID: 11174

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