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Novel Light Emitters based on Nanostructures of III-Nitrides and Lead Halide Perovskite Nanocrystals

Project description

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Increasing LED lighting efficiency by combining nitrides and perovskites

Group III-Nitride materials are excellent semiconductors that have band gaps spanning a very large spectral range. However, their use in light-emitting diodes (LEDs) and lasers operating in the visible spectrum has remained limited. The EU-funded PEROGAN project will combine III-Nitrides with lead halide perovskites – crystal semiconductors that have recently shown great promise for optoelectronics. The project aims to create hybrid devices that combine the excellent electrical properties of III-Nitrides with lead halide perovskites having high quantum efficiency and tuneable properties in the visible spectrum. If successful, it will lead to the development of high-efficiency LEDs with a high colour rendering index for solid-state lighting and display applications.

Objective

The proposal aims to produce novel light emitters by merging two promising semiconductor families, III-Nitrides and lead halide perovskite nanocrystals (LHP NCs) into novel nanostructured architectures. III-Nitrides are established emitters with widespread use in the lighting industry and high-density optical disks and with great promises for power electronic applications. On the other hand, the field of LHP NC photonics is at its infancy but breakthroughs have already been accomplished with demonstrations of optically-pumped lasers and light emitting diodes (LEDs). Research on the two material families has thus far proceeded independently. Yet new architectures with improved performance and functionality may emerge from their integration into hybrid devices that can exploit the favourable properties of each, namely the superior electrical properties and established technology of the nitrides with the ease of solution-processability, visible spectral tunability and high emission quantum yields (QY) of the LHP NCs. The proposed project will be investigating the potential flow of energy from the donor material (III-nitrides) to the acceptor (LHP NC), via radiative pumping but also via efficient non-radiative Förster energy transfer (FRET,) under optical and electrical excitation. Additionally is aiming to demonstrate hybrid electrically excited nanostructure devices, allowing the two materials to exist with nanoscale proximity. Moreover, the project is targeting to the fabrication of electrical-excited of a hybrid microcavity-based heterostructures, via an elaborate design of two back to back microcavities. The outcome of this project is expected to particularly benefit the scientific semiconductor area and industry fro the development of efficient high colour rendering index (CRI) LEDs for solid state lighting and display applications.The methodology for a demonstration of novel light emitters is highlighted in work packages (WPs) 3 to 5.

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: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc.

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Keywords

Programme(s)

Topic(s)

Funding Scheme

MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)

Coordinator

UNIVERSITY OF CYPRUS
Net EU contribution
€ 145 941,12
Address
AVENUE PANEPISTIMIOU 2109 AGLANTZI
1678 Nicosia
Cyprus

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Region
Κύπρος Κύπρος Κύπρος
Activity type
Higher or Secondary Education Establishments
Links
Total cost
€ 145 941,12

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Last update: 24 July 2023

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Permalink: https://cordis.europa.eu/project/id/867452

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