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Multifunctional application of planar 2D molecule for light-emitting heterostructures

Author

Listed:
  • Khrystyna Ivaniuk

    (Lviv Polytechnic National University)

  • Pavlo Lesko

    (Lviv Polytechnic National University)

Abstract

The object of research is the donor-acceptor compound, organic and hybrid heterostructures based on it. The paper is focused on a comprehensive approach to solving the problem of the efficiency of light-emitting devices, finding new technological and design solutions for the use of organic compounds as multifunctional materials for various types of light-emitting devices.The paper presents the multifunctional application of a planar 2D molecule as an emission layer for typical and inverted types of light-emitting heterostructures, as well as a matrix for a host-guest system using inorganic quantum dots. The developed light-emitting structures are characterized by external quantum efficiency typical for fluorescent devices, but good stability over the entire length of the consumption voltage. QLED brightness is 1600 cd·m-2 and EQE 1.4 %, which are good parameters for use in display technology.Organic LEDs based on planar molecules are promising candidates for use in modern lighting systems. A separate advantage of these light-emitting structures is the multifunctionality of using one compound for different types of light-emitting structures, including inverted heterostructures. Special attention is paid to the technological and design implementation of invert structures, since their geometry allows direct connection to the back board of the n-channel transistor on the substrate. In addition, organic LEDs have low energy consumption and are environmentally friendly due to the absence of toxic substances in their architecture, which creates the prerequisites for saving energy resources and reducing the industrial burden on the environment.

Suggested Citation

  • Khrystyna Ivaniuk & Pavlo Lesko, 2024. "Multifunctional application of planar 2D molecule for light-emitting heterostructures," Technology audit and production reserves, PC TECHNOLOGY CENTER, vol. 3(3(77)), pages 6-10, June.
  • Handle: RePEc:baq:taprar:v:3:y:2024:i:3:p:6-10
    DOI: 10.15587/2706-5448.2024.306820
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