Fig. 1: Synthesis and device of EC-COF-1.

a Synthetic route of EC-COF-1. b Schematic representation of a layer structure of donor (D)–acceptor (A) EC-COF-1. c Colour switching of the EC-COF-1 EC device.
a Synthetic route of EC-COF-1. b Schematic representation of a layer structure of donor (D)–acceptor (A) EC-COF-1. c Colour switching of the EC-COF-1 EC device.