Controlled Synthesis of Optoelectronic Nanocrystals by Liquid Crystalline Templates

Youngki Kim; Jun-Hyung Im; Hyein Kim; Yong-Young Noh

doi:10.1117/12.3027057

18 June 2024 Controlled Synthesis of Optoelectronic Nanocrystals by Liquid Crystalline Templates

Youngki Kim, Jun-Hyung Im, Hyein Kim, Yong-Young Noh

Proceedings Volume PC13016, Liquid Crystals Optics and Photonic Devices; PC1301603 (2024) https://doi.org/10.1117/12.3027057
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

Optoelectronic nanocrystals are of enormous interest for material science and applications including solar cells and light-emitting diodes due to precise tunability of their properties via size and shape. Accordingly, various synthetic methods have been proposed, but achieving monodispersed nanocrystals remains a key challenge leading to the present lack of their commercial value and real-world applications. In this presentation, I will present that unique features of liquid crystals can be leveraged to synthesize nanocrystals with an unprecedented level of control over size and shape. The approach is a simple, rapid, and room-temperature process, yet it enables access to highly homogeneous nanocrystals with substantially reduced surface defects resulting in significantly improved optoelectronic features. The results offer a versatile and generalizable strategy to be broadly compatible with a range of nanomaterials and other synthetic methods. This work was supported by NRF funded by the Korea government (RS-2023-00212739, RS-2023-00302586).

Conference Presentation

Citation Download Citation

Youngki Kim, Jun-Hyung Im, Hyein Kim, and Yong-Young Noh "Controlled Synthesis of Optoelectronic Nanocrystals by Liquid Crystalline Templates", Proc. SPIE PC13016, Liquid Crystals Optics and Photonic Devices, PC1301603 (18 June 2024); https://doi.org/10.1117/12.3027057

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