Ultrafast Melting of Metal–Organic Frameworks for Advanced Nanophotonics

Nikita K. Kulachenkov, Stéphanie Bruyere, Sergey A. Sapchenko, Yuri A. Mezenov, Dapeng Sun, Andrei A. Krasilin, Alexandre Nominé, Evgeny A. Pidko, Valentin A. Milichko, More Authors

Research output: Contribution to journalArticleScientificpeer-review

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The conversion of metal–organic frameworks (MOFs) into derivatives with a well-defined shape and composition is considered a reliable way to produce efficient catalysts and energy capacitors at the nanometer scale. Yet, approaches based on conventional melting of MOFs provide the derivatives such as amorphous carbon, metal oxides, or metallic nanoclusters with an appropriate morphology. Here ultrafast melting of MOFs is utilized by femtosecond laser pulses to produce a new generation of derivatives with complex morphology and enhanced nonlinear optical response. It is revealed that such a nonequilibrium process allows conversion of interpenetrated 3D MOFs comprising flexible ligands into well-organized spheres with a metal oxide dendrite core and amorphous organic shell. The ability to produce such derivatives with a complex morphology is directly dependent on the electronic structure, crystal density, ligand flexibility, and morphology of initial MOFs. An enhanced second harmonic generation and three-photon luminescence are also demonstrated due to the resonant interaction of 100–1000 nm spherical derivatives with light. The results obtained are in the favor of new approaches for melting special types of MOFs for nonlinear nanophotonics.

Original languageEnglish
Article number1908292
Number of pages11
JournalAdvanced Functional Materials
Issue number7
Publication statusPublished - 2019


  • derivatives
  • femtosecond laser
  • metal–organic framework
  • nanophotonics
  • ultrafast melting


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