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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.

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

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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