Proceedings of MATSUS Spring 2025 Conference (MATSUSSpring25)
DOI: https://doi.org/10.29363/nanoge.matsusspring.2025.135
Publication date: 16th December 2024
Low-dimensional (LD) organic metal halide hybrids (OMHHs), comprising diverse organic cations and metal halide anions, represent an emerging class of perovskite-related hybrid materials with exceptional structural and property tunability. By carefully selecting organic and metal halide components, their crystallographic structures can be precisely tailored at the molecular level, with metal halide units forming two-dimensional (2D), one-dimensional (1D), or zero-dimensional (0D) structures. The site isolation and confinement of metal halides by organic cations endow LD OMHHs with unique properties distinct from conventional three-dimensional (3D) metal halide perovskites. For example, 2D and 1D OMHHs have demonstrated broadband white emissions, while 0D OMHHs have achieved near-unity photoluminescence quantum efficiency (PLQE) with tunable emissions spanning blue, green, yellow, orange, and red wavelengths. The true significance of LD OMHHs lies not only in these specific accomplishments but also in their role as a new paradigm in materials design. In this talk, I will present our recent progress in the development and study of LD OMHHs, from synthetic control to device integration. Applications of LD OMHHs in various areas, including optically pumped white LEDs, electroluminescent devices, X-ray scintillators, and direct X-ray detectors will be discussed.
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