Funct. Mater. 2023; 30 (3): 441-446.
A new 2D Ni(II) coordination polymer: synthesis, crystal structure, and electrochemical properties
1College of Chemical and Pharmaceutical Engineering, Jilin Institute of Chemical Technology, 45 Chengde Str., 132022 Jilin, P. R. China
2College of Pharmacy, Jilin Medical University, 5 Jilin Str., 132013 Jilin, P. R. China
One Ni(II) metal organic coordination polymer based on H3L (H3L = 5-amino-8-hydroxyquinoline), {[Ni(H2L-)2]·H2O}n (1), has been synthesized. This compound has an infinite 2D layer structure. Compound 1 is the first example of a TiO2 photoanode co-sensitized by the H3L coordination compound with N719. In the tandem structure of 1/N719/c, compound 1 reorganizes the energy levels due to its single-crystal structure, which improves the photoelectric conversion efficiency. The results show that the 1/N719/H3L compound solar cell has excellent photovoltaic performance with a photovoltaic conversion efficiency of 3.34 % under standard solar irradiation conditions of AM 1.5. The electrochemical properties of compound 1 were studied.
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