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Openings ■ IIT Centres ■ IIT@POLIMI ■ Marie Curie Trainee (Early Stage Researcher) at CNST@POLIMI in Milan
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Marie Curie Trainee (Early Stage Researcher) at CNST@POLIMI in Milan

CB: 70622

The electronic and optical properties of conjugated polymers (CPs), that lead to applications spanning from light-emitting diodes, LEDs, to photovoltaic diodes, PVDs and field-effect transistors, FETs, and photonic applications, are controlled both by the primary molecular structure and by supramolecular interactions, just as secondary and tertiary structures are fundamental to the function of proteins. The ability to manipulate the local molecular environment and molecule-molecule contacts is crucial to access fundamentally new classes of organic functional materials with unprecedented performance. Non-covalent interactions affect properties as diverse as lasing and electrical transport, in addition to chemical and mechanical stability. Accurate control of such interactions is needed to allow optimum exploitation of molecular materials, not only in today’s most common optoelectronic devices, such as LEDs, FETs, and PVDs, but also in emerging “photonics” applications. A notable example of supramolecular control is afforded by conjugated rotaxanes that allow a high degree of control in the manipulation of the optical and photonic properties of conjugated polymers. Conjugated rotaxanes feature strongly reduced charge dissociation and polaron formation, which lead to unprecedented ultra-broad gain bands in blends of rotaxanes with emissive conjugated polymers. This result is of crucial interest to both optical amplifiers and lasers. Similarly, perylene bisimides (PBIs) are known for their outstanding fluorescence (many derivatives have quantum yields (QY) of 100%) and photostability. Crucially, by supramolecular design, in particular involvement of H- bonds, highly fluorescent J-aggregates for this class of dyes could berealized. These show fluorescence QY close to unity and exciton ranges up to 70 nm. Hybrid organic-inorganic perovskites are also currently attracting burgeoning interest for both their extremely promising PV efficiencies (up to 15%) and optically-pumped lasing. They are also supramolecular structures, in which an organic salt (such as methylammonium iodide) is non-covalently encased in an inorganic perovskite and may provide a solution to the difficulties due to intrinsic losses from bimolecular annihilation and the conflicting requirements of high charge carrier mobility and large stimulated emission in wholly conjugated systems or to the challenges related to Auger losses and charge transport in quantum dots.

SupramolecularlY eNgineered arCHitectures for optoelectRonics and photONICS (SYNCHRONICS), a strongly interdisciplinary programme, will create a critical mass for breakthrough research and training in the field and identify further challenges and opportunities for research and career development at the end of the programme.

Summary of Job Function:

The Postholders will engage in research and collaboration on organic electronics and related applications, with  special emphasis on promising materials for photonics applications. More specifically the post-holders will investigate both the fundamental photophysics of such materials and combination thereof as well as their incorporation in photonic devices. The successful applicants will be energetic individuals with a strong “can-do” attitude, very strong academic record and specific experience in the area of organic electronics as well as an MSc/MSci degree or equivalent programme (or a PhD student at other institutions who is about to take his/her degree but has not completed the course yet) in Engineering, Physics, Material Science or Physical Chemistry.

Because of the nature of the funding (Marie-Curie initial training network (ITN) funded by the European Commission under Horizon2020) there are restrictions on eligibility. Specifically, candidates must not have resided or carried out their main activity in Italy for more than 12 months over the last 3 years.

In addition, Early-Stage Researchers must (at the time of recruitment) be in the first four years (full-time equivalent research experience) of their research careers and not have taken their doctoral degree yet. This is measured from the date when they obtained the degree which would formally entitle them to embark on a doctorate, either in the country in which the degree was taken or in the country in which research training is provided, irrespective of whether or not a doctorate is envisaged.

The post includes the following functions:

  • Ultrashort pulse (100 fs) generation, non linear optics for wavelength tunability and mastering of the laser set up.
  • Time resolved non-linear spectroscopy (pump probe, transient photoluminescence).
  • Elementary excitation dynamics, mechanisms of generation, relaxation and deactivation, in supramolecular compounds as prepared and supplied by other partners.
  • Device fabrication and WET Lab procedures for sample preparation.
  • To record, analyse and write up the results of these experiments.
  • To contribute to the drafting and submitting of papers to peer reviewed journals.
  • To contribute to the preparation of progress reports on research for internal and external use (e.g. for funding bodies) as required.
  • To contribute to the overall activities of the research team and department as required.
  • Actively participate at group meetings, meetings with academic and non-academic collaborators.

Educational Qualifications

  • BSc or equivalent in Engineering, Physics, Materials Science, or Physical Chemistry
  • MSc/MSci or equivalent in Engineering, Physics, Materials Science, or Physical Chemistry
  • Experience of time resolved optical spectroscopy
  • Experience of Wet Lab fabrication

Personal qualifications

  • Commitment to high-quality research
  • Ability to learn new techniques quickly
  • Ability to develop an accurate, in-depth understanding of the fundamental processes governing the properties of the materials under investigations through careful experimental practice
  • An understanding of the requirements of research and publication of scientific papers
  • Fluency and clarity in spoken and written English.
  • Availability to travel for collaboration purposes and participation in  progress meetings with collaborators across Europe
  • Ability to deliver training and follow-up support to operatives
  • Ability to report in a concise but rigorous and well-organized manner the results of his/her own research
  • Good interpersonal and communication skills
  • Ability to work independently but interactively in a very dynamic research group with a large number of national and international contacts and collaborations

Fondazione Istituto Italiano di Tecnologia is established by the Italian Government to promote excellence in research via the dissemination of scientific knowledge and the strengthening of technological competitiveness.

IIT has developed a national network of mission-focused centers, to which the Center for Nanoscience and Technology (CNST) belongs.

CNST is a research center operating at the forefront of science and technology of nanomaterials for optoelectronics, focusing on applications in the fields of photovoltaic conversion, photodetection and biomimetic systems. The center combines different expertise in the fields of optical spectroscopy, electronics engineering, material science and chemistry. Many activities are performed in its labs, going from device fabrication and materials processing to photophysics studies andmorphology/structural characterization.

CNST offers both a long standing, internationally recognized experience in organic semiconductors physics and technology and expertise in hybrid nanostructures fabrication and characterization. R&D facilities: fully equipped fabrication wet-lab, complete fabrication facility for the deposition and characterization of thin films and nanostructures of metals, semiconductors and insulators equipped with Pulsed Laser Deposition, DC-Pulsed-RF Magnetron Sputtering, flow through controlled atmosphere high temperature furnace for CVD and nanowire growth; Micro-Raman/PL with high resolution mapping capabilities and 4 lasers (325 nm, 442 nm, 532 nm, 785 nm); Atomic force microscopy, Scanning Electron Microscopy, XRD; Optical spectroscopy characterization for measuring absorption and emission at controlled temperature; modulation spectroscopy (photo-modulation, electroabsorption, charge induced absorption and photocurrent); Solar simulator; Electroluminescence measurements. Two set-ups for confocal microscopy, providing maps with submicron resolution of optical properties, both at picoseconds and milliseconds temporal resolution; pump-probe spectroscopy on different timescales (fs – ps - ns); High performance electronic integrated instrumentation for the measurement of currents, voltages, impedances and noise.

Interested applicants should submit electronically a statement of research interest, CV with publication list and names of 2 referees to Dr Annamaria Petrozza This e-mail address is being protected from spambots. You need JavaScript enabled to view it  

In order to comply with Italian law (art. 23 of Privacy Law of the Italian Legislative Decree n. 196/03), the candidate is kindly asked to give his/her consent to allow IIT to process his/her personal data.

We inform you that the information you provide will be solely used for the purpose of assessing your professional profile to meet the requirements of Istituto Italiano di Tecnologia. Your data will be processed by Istituto Italiano di Tecnologia, with its headquarters in Genoa, Via Morego, 30, acting as the Data Holder, using computer and paper-based means, observing the rules on the protection of personal data, including those relating to the security of data. Please also note that, pursuant to art. 7 of Legislative Decree 196/2003, you may exercise your rights at any time as a party concerned by contacting the Data Manager.

Istituto Italiano di Tecnologia is an Equal Opportunity Employer that actively seeks diversity in the workforce.

Last Updated on Friday, 16 January 2015 12:34


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