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Comparison of two water oxidation electrocatalysts by copper or zinc supermolecule complexes based on porphyrin
Zhaodi Huang1, Meixi Zhang1, Huan Lin1
1School of Materials Science and Engineering, College of Science, China University of Petroleum (East China) Qingdao Shandong 266580 People's Republic of China.
Abstract:
Based on the 5,10,15,20-tetra(cyanophenyl)porphyrin (CNTCPP) ligand, two supermolecule complexes formulated as [Cu(CNTCPP)]·2DMF (Cu-CNTCPP) and [Zn(CNTCPP)] (Zn-CNTCPP) have been synthesized and structurally characterized by single-crystal X-ray diffraction. Cu-CNTCPP features a 0 dimensional (0D) supramoleculer structure, whereas Zn-CNTCPP is a 2D structure. With coordination unsaturated points, Cu-CNTCPP exhibits electrocatalytic activity toward oxygen evolution reaction (OER) with low potential in 1.0 M KOH, generating a current density of 10 mA cm-2 at an potential of 1.66 V vs. RHE, which means it an efficient electrocatalytic material for OER.
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