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ROLEDS

Highly Efficient Photoemitters for Light-Emitting Diodes Based on Intramolecular Rotation

Total Cost €

0

EC-Contrib. €

0

Partnership

0

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 ROLEDS project word cloud

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

excited    uk    triplet    discovered    flat    prototypes    spin    processed    pct    structure    harvested    reached    inversion    emission    accessed    theoretical    displays    worldwide    light    silver    excitation    types    rotationally    compounds    rasi    until    give    screen    sub    smartphones    times    molecular    carbene    sinks    solution    linear    efficiency    mechanism    lifetimes    hd    oleds    copper    billion    singlet    tv    record    device    incorporation    gold    tvs    energy    certain    internal    patent    materials    emitters    quantum    microsecond    discovery    iridium    emitting    brighter    harvesting    rotation    electroluminescent    organic    yield    techniques    photo    discussed    replacements    cheap    dollar    brightness    earth    fabrication    slot    realization    ligands    market    lighting    rarest    first    efficient    inverted    below    world    ipr    class    27    suitable    100    protected    external    fast    diodes    complexes    desirable    display    industry    flexible   

Project "ROLEDS" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITY OF EAST ANGLIA 

Organization address
address: EARLHAM ROAD
city: NORWICH
postcode: NR4 7TJ
website: http://www.uea.ac.uk

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 United Kingdom [UK]
 Total cost 149˙115 €
 EC max contribution 149˙115 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2016-PoC
 Funding Scheme ERC-POC
 Starting year 2017
 Duration (year-month-day) from 2017-07-01   to  2018-12-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITY OF EAST ANGLIA UK (NORWICH) coordinator 149˙115.00

Map

 Project objective

'We have discovered a new class of photo- and electroluminescent complexes which are suitable for incorporation into organic light emitting diodes (OLEDs) and which give up to 100% internal quantum yield. The new compounds are particularly suitable for the fabrication of OLEDs via cheap solution-processing techniques and have so far reached 27% external quantum efficiency, a record for any solution-processed device. The new complexes have a linear, rotationally flexible structure, and it is this rotation that allows 100% of the excitation energy to be harvested, by a new emission mechanism (“rotationally accessed spin-state inversion”, RASI). OLEDs are widely used as flat-screen displays (TVs, smartphones), a multi-billion dollar market worldwide. The industry-leading emitters are based on complexes of iridium, one of the rarest elements on earth. Our emitters are compounds of copper, silver and gold, suitable as “slot-in” replacements of iridium. IPR is protected by two UK and one PCT World patent applications. The key discovery is that in certain types of coordination complexes based on carbene ligands the excited singlet state sinks below the excited triplet state during molecular rotation. To our knowledge this is the first realization of 'spin-state inverted' materials, until now discussed only as a theoretical concept. The result is efficient, very fast light harvesting with highly desirable short (sub-microsecond) excitation lifetimes, leading to high display brightness (in prototypes 20 times brighter than a HD TV screen), with potential lighting applications.'

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The information about "ROLEDS" are provided by the European Opendata Portal: CORDIS opendata.

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