One-dimensional organic metal halide nanoribbons with dual emission

Organic metal halide hybrids with low-dimensional structures at the molecular level have received great attention recently for their exceptional structural tunability and unique photophysical properties. Here we report for the first time the synthesis and characterization of a one-dimensional (1D) o...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2023-03, Vol.59 (25), p.3711-3714
Main Authors: Lee, Sujin, Karkee, Rijan, Ben-Akacha, Azza, Luong, Derek, Vellore Winfred, J. S. Raaj, Lin, Xinsong, Strubbe, David A, Ma, Biwu
Format: Article
Language:English
Subjects:
Density functional theory
Emission analysis
Excitons
Metal halides
Nanoribbons
Photoluminescence
Quantum efficiency
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Summary:Organic metal halide hybrids with low-dimensional structures at the molecular level have received great attention recently for their exceptional structural tunability and unique photophysical properties. Here we report for the first time the synthesis and characterization of a one-dimensional (1D) organic metal halide hybrid, which contains metal halide nanoribbons with a width of three octahedral units. It is found that this material with a chemical formula C 8 H 28 N 5 Pb 3 Cl 11 shows a dual emission with a photoluminescence quantum efficiency (PLQE) of around 25%. Photophysical studies and density functional theory (DFT) calculations suggest the coexisting of delocalized free excitons and localized self-trapped excitons in metal halide nanoribbons leading to the dual emission. A 1D organic metal halide hybrid (C 8 H 28 N 5 Pb 3 Cl 11 ) containing metal halide nanoribbons has been developed to exhibit efficient dual emission.
ISSN:1359-7345
1364-548X
DOI:10.1039/d3cc00044c