Conductive metal−organic frameworks

For the solvothermal synthesis of MOF, the organic linker Cu-octahydroxy phthalocyanine (CuPc) and metal ion is dissolved in a DMF/H2O mixture at heated at 130 °C for 48 hours.

[14] Afterwards, Mirica and co-workers were able to enhance the conductivity to a range of 10−2 S cm−1 by synthesizing a bimetallic phthalocyanine based MOF NiPc-Cu.

[15] Examples include a series of isoretical catecholate-based MOFs employing hexahudroxytriphenylene (HHTP) as thee organic linker and Ni/Cu/Co as metal nodes.

For the hydrothermal synthesis of these MOFs, both organic linker (hexahydroxytriphenylene) and metal ion is dissolved in H2O, aqueous ammonia is added and mixture is heated.

[16] Another MOF based on hexaaminotriphenylene (HATP) organic linker and Ni metal ion showed an electronic conductivity of 40 S cm−1 when measured by using Van der Pauw method .

[20] A 2D conductive MOF based on 2,3,7,8,12,13‐hexahydroxyl truxene linker and copper metal has shown promising electrochemical detection of paraquat.

Owing to their high surface area they can provide large number of interaction site for the reaction, conductivity of the material allows charge transfer during the electrocatalytic process.

[2] Ultrathin sheets of Co-HAB MOF have been found to be catalytically active for oxygen evolution reaction (OER).

Ni3(HITP)2 MOF film on glassy carbon electrode in their study showed a potential of 820 mV at 50 μA in 0.1 M potassium hydroxide (KOH).

[4] MOFs with high surface area, redox active organic linker/metal nodes, intrinsic conductivity have attracted attention as electrode materials for electrochemical energy storage.

[23] A conductive MOFs based on hexaaminobenzene (HAB) organic linker and Cu/Ni metal ions has been tested as electrode for supercapacitor.