Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 27, Issue 10, Pages 3297-3301Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.202005217
Keywords
metal-organic framework; microlasers; nanophotonics; shape evolution
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Funding
- Ministry of Science and Technology of China [2017YFA0204502]
- National Natural Science Foundation of China [21673039, 21805039]
- Fujian Provincial Department of Science and Technology [2020J05032]
- State Key Laboratory of Structural Chemistry
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This study reports a well-controlled shape evolution of pure-MOF microcrystals based on a bottom-up and top-down synergistic method, achieving optical waveguide and lasing performances and developing photonic components with desired functionalities based on pure MOF.
MOF-based one-dimensional materials have received increasing attention in the nanophotonics field, but it is still difficult in the flexible shape evolution of MOF micro/nanocrystals for desired optical functionalities due to the susceptible solvothermal growth process. Herein, we report on the well-controlled shape evolution of pure-MOF microcrystals with optical waveguide and lasing performances based on a bottom-up and top-down synergistic method. The MOF microcrystals from solvothermal synthesis (bottom-up) enable the evolution from microrods via microtubes to nanowires through a chelating agent-assisted etching process (top-down). The three types of MOF 1D-microstructures with high crystallinity and smooth surfaces all exhibit efficient optical waveguide performance. Furthermore, MOF nanowire with lowest propagation loss served as low-threshold pure-MOF nano-lasers with Fabry-P8rot resonance. These results advance the fundamental understanding on the controlled MOF evolution mechanism, and offer a valuable route for the development of pure-MOF-based photonic components with desired functionalities.
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