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Keywords:

  • coordination polymers;
  • heterostructures;
  • interfaces;
  • metal–organic frameworks;
  • surface modification
Thumbnail image of graphical abstract

Janus MOF: Thin films consisting of non-centrosymmetric heterostructured metal–organic frameworks (MOFs) were fabricated directly on quartz-crystal microbalance (QCM) sensor devices. Depending on the spatial configuration of two frameworks, the thin MOF films could tune the affinity for analytes, thus giving high selectivity to the QCM sensors.