Access to Highly Efficient Energy Transfer in Metal-Organic Frameworks via Mixed Linkers Approach.
Gutierrez Arzaluz, Luis
Alsadun, Norah Sadun
Mohammed, Omar F.
KAUST DepartmentAdvanced Membranes and Porous Materials Research Center
Chemical Science Program
Functional Materials Design, Discovery and Development (FMD3)
Functional Materials Design, Discovery and Development Research Group (FMD3), Advanced Membranes and Porous Materials Center (AMPMC), Division of Physical Sciences and Engineering (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia.
Functional Nanomaterials Lab (FuNL)
KAUST Catalysis Center (KCC)
KAUST Solar Center (KSC)
Material Science and Engineering Program
Physical Science and Engineering (PSE) Division
Ultrafast Laser Spectroscopy and Four-dimensional Electron Imaging Research Group
Online Publication Date2020-04-18
Print Publication Date2020-05-13
Embargo End Date2021-04-21
Permanent link to this recordhttp://hdl.handle.net/10754/662767
MetadataShow full item record
AbstractHerein, we report a new light-harvesting mixed-ligand Zr(IV)-based metal-organic framework (MOF),with underlying fcu topology, encompassing the [Zr6(μ3-O)4(μ3-OH)4(O2C-)12] cluster and an equimolar mixture of thiadiazole- and benzimidazole-functionalized ligands. The successful integration of ligands with similar structural features but with notable chemical distinction afforded the attainment of a highly efficient energy transfer (ET). Notably, the very strong spectral overlap between the emission spectrum of benzimidazole (energy donor) and the absorption spectrum of thiadiazole (energy acceptor) provided an ideal platform to achieve very rapid (picosecond time scale) and highly efficient energy transfer (around 90% efficiency), as evidenced by time-resolved spectroscopy. Remarkably, the ultrafast time-resolved experiments quantified for the first time the anticipated close proximity of the two linkers with an average distance of 17 Å. This finding paves the way for the design and synthesis of periodic MOFs affording very efficient and fast ET to mimic natural photosynthetic systems.
CitationJia, J., Gutiérrez-Arzaluz, L., Shekhah, O., Alsadun, N., Czaban-Jóźwiak, J., Zhou, S., … Eddaoudi, M. (2020). Access to Highly Efficient Energy Transfer in Metal–Organic Frameworks via Mixed Linkers Approach. Journal of the American Chemical Society. doi:10.1021/jacs.0c02007
SponsorsThe authors gratefully acknowledge financial support from King Abdullah University of Science and Technology (KAUST).
PublisherAmerican Chemical Society (ACS)
CollectionsArticles; Advanced Membranes and Porous Materials Research Center; Physical Science and Engineering (PSE) Division; Functional Materials Design, Discovery and Development (FMD3); Chemical Science Program; Material Science and Engineering Program; KAUST Catalysis Center (KCC); KAUST Solar Center (KSC)
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