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Lefko-Phos SIGNED

Binuclear Iridium(III) Complexes for White-Emitting OLEDs

Total Cost €


EC-Contrib. €






 Lefko-Phos project word cloud

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

simultaneous    material    ir    scenario    uncoupled    entity    researcher    electrical    successful    photophysics    mutual    host    leads    stand    emitting    synthesize    electronically    luminophores    made    flexible    luminescent    complexes    blue    dual    solution    manufacturing    generate    27    molecular    incorporation    single    ultimate    white    leds    faced    emitters    overcome    synthetic    instability    asymp    hi    strategy    20    energy    synthesis    lighting    colour    area    limitations    imbalanced    multifunctional    interaction    internal    predicted    union    orange    competencies    device    transfer    background    attempts    oleds    efficiency    light    generation    conjugated    emitter    conventional    er    inability    experimental    iridium    flat    expertise    combination    displaying    organic    oled    time    drawbacks    inorganic    2030    woleds    excited    actively    guarantee    fabrication    bridging    consequently    stability    emission    consolidated    theoretical    linked    alternative    centres    diodes    efficient    cyclometalated    multiple    binuclear   

Project "Lefko-Phos" data sheet

The following table provides information about the project.


Organization address
city: ROMA
postcode: 185

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 Italy [IT]
 Total cost 171˙473 €
 EC max contribution 171˙473 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2018
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2020
 Duration (year-month-day) from 2020-02-15   to  2022-02-14


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

The European Union set the ambitious target of increasing energy efficiency by 27% within 2030. Since ≈ 20% of the EU electrical energy is used for lighting, more efficient lighting concepts need to be developed. At present, inorganic light emitting diodes (LEDs) stand out as the best alternative to conventional lighting devices. In future, organic LEDs (OLEDs) are predicted to become the ultimate solution, since they allow fabrication of large-area flat and flexible devices; consequently, white-emitting OLEDs (WOLEDs) are actively investigated. Current WOLEDs require the use of multiple luminophores in a single device, but this leads to imbalanced white-light emission and colour instability, due to the different stability over time of each single emitter. Moreover, the incorporation of multiple emitters increases manufacturing costs. To overcome these drawbacks, attempts have been made to generate white-emission from a single multifunctional material. However, strong limitations were faced due to the complex synthetic procedures and the inability to control the excited-state properties of the emitter and its internal energy-transfer processes. In this scenario, we propose a new strategy for easy-to-synthesize binuclear cyclometalated iridium(III) complexes, displaying dual-emission for white-light generation from a single molecular entity. The strategy involves simultaneous generation of blue and orange emission from two electronically uncoupled Ir(III) centres, linked together by a non-conjugated bridging unit. This ambitious goal can be achieved due to the mutual interaction between the Experienced Researcher (ER) and the Host Institution (HI). While the ER has a strong background in the synthesis of luminescent complexes, the HI has a consolidated expertise in organic synthesis, theoretical and experimental photophysics, and in fabrication and testing of OLED devices. This combination of competencies will guarantee the successful implementation of this project.

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The information about "LEFKO-PHOS" are provided by the European Opendata Portal: CORDIS opendata.

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