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. 2020 Oct 10;9:173. doi: 10.1038/s41377-020-00410-8

Fig. 4. Characterization of optical losses in functionalized HC-MOFs by the cut-back technique.

Fig. 4

a Unmodified MOF. b, c Fibres coated with 14 and 40 PE bilayers in the salt-free solution. Shadow areas show the error range. Loss peaks fit Eq. (2). d The minimal optical loss in the transmission windows as a function of the bilayer quantity