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Using the smart matrix approach to enhance TADF-OLED efficiency and lifetime

Project description

Extending the lifetime of organic light-emitting diodes

Organic light-emitting diodes (OLEDs) are the gold standard for displays, becoming ever more ubiquitous in smartphones and TVs. However, the efficiency and lifetime of blue pixels are far below those of red and green pixels. Funded by the Marie Skłodowska-Curie Actions programme, the TADFlife project will offer a multidisciplinary PhD programme, preparing a new generation of chemists, physicists and materials scientists to tackle OLED performance issues. TADFlife proposes a holistic approach to address the problem of underperforming OLED emitters, which combines synthesis of new materials, quantum chemistry, device simulations and light out-coupling techniques. Furthermore, the programme will introduce the concept of the ‘smart matrix’, which should help maximise OLED device lifetime without compromising performance.

Objective

The European Training Network TADFlife will train a cohort of young PhD scientists within a multidisciplinary research program conceived from a simple industrial need, high performance blue OLEDs which also have long lifetime. This is not an easy problem to solve, as although OLEDs are now ubiquitous in phone and TV displays, the blue pixels still operate far below the performance and efficiency of the red and green to achieve acceptable lifetime. TADFlife will follow a new approach to solve this problem using the latest generation of OLED materials, thermally activated delayed fluorescent (TADF) emitters. Through a device simulation development program, which incorporates a high degree of basic photophysics input, predictive models of TADFOLED performance and lifetime will be built and used to design new TADF emitters and hosts which overcome the degradation pathways identified from the model predictions. These new materials will then be synthesised. By introducing the concept of the smart matrix, the complex guest host interactions of TADF materials will be included and used to optimise emitter orientation to maximise light out-coupling from devices. Quantum chemistry will use the photophysics results to direct new materials design in tandem with the model predictions. Taking this dual approach, we believe will lead to solutions so far unobtainable for OLEDs. This highly interlinked program gives a fantastic opportunity for the brightest young chemists, spectroscopists, theoreticians and device physicists to work together, learn complimentary skills that will be in high demand from European OLED industries. Leading experts will give courses on core scientific skills along with soft skills and international secondments will be offered, all to properly prepare them for their future careers. They will be part of a network answering a real industrial need and help to secure the future of our European OLED industries in the global OLED materials arena.

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Keywords

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Programme(s)

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Topic(s)

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Funding Scheme

Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.

MSCA-ITN - Marie Skłodowska-Curie Innovative Training Networks (ITN)

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Call for proposal

Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.

(opens in new window) H2020-MSCA-ITN-2018

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Coordinator

UNIVERSITAT BAYREUTH
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 758 365,20
Address
UNIVERSITATSSTRASSE 30
95447 BAYREUTH
Germany

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Region
Bayern Oberfranken Bayreuth, Kreisfreie Stadt
Activity type
Higher or Secondary Education Establishments
Links
Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 758 365,20

Participants (9)

Partners (11)

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