Project description
High-efficiency OLEDs with phosphorescent materials
Brighter and more colourful than ever, organic light-emitting diode (OLED) displays boast several advantages compared to other display technologies. Not only do they provide the best image quality, but they are also thin, efficient and can be made to be transparent and flexible. What is more, they consume less power. Limited by electron spin–statistics, the maximum internal quantum efficiency of conventional fluorescent OLEDs is 25 %. Using the principle of phosphorescence, OLEDs generate light from both triplet and singlet excitons, allowing their internal quantum efficiency to reach nearly 100 %. The EU-funded AIE-RTP-PLED project plans to develop polymers that demonstrate room-temperature phosphorescence and aggregation-induced emission. Polymers combining these properties demonstrate great potential for use as high-efficiency emitters in low-cost solution-processed OLEDs.
Objective
Organic light-emitting diodes (OLEDs) as displays and luminaires have generated enormous attention because of their unique advantages compared to other lighting and display technologies. These include the capacity to fabricate ultra-thin, flexible and transparent devices that additionally have a much lower power consumption. Limited by the electron spin statistics, the maximum internal quantum efficiency (IQE) of conventional fluorescent OLEDs is only 25%. In contrast, thermally activated delayed fluorescence (TADF) can theoretically realize 100% IQE by recruiting triplet excitons and converting them into singlet excitons via reverse intersystem crossing. Most TADF materials must be doped into a rigid host matrix in order to suppress aggregation-caused quenching (ACQ) and other nonradiative processes. An alternative mechanism where 100% IQE can be realized is room temperature phosphorescence (RTP). This proposal targets the development of polymers that are both RTP and show aggregation induced emission (AIE). This permits these materials to be used as high-efficiency emitters in low-cost solution-processed OLEDs. Due to the synergistic effect of AIE, RTP, and polymer, high-efficiency RTP materials can be developed in the amorphous state, a previously undocumented advance in materials development. Through this research proposal, a general road map for simple and high-efficiency PLEDs will be constructed based on AIE-RTP polymers.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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H2020-EU.1.3. - EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions
MAIN PROGRAMME
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H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility
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Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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.
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-IF - Marie Skłodowska-Curie Individual Fellowships (IF)
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Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) H2020-MSCA-IF-2019
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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.
KY16 9AJ ST ANDREWS
United Kingdom
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.