Abstract
A novel photoactive complex was constructed from two non-photoactive ligands and cobalt (II) ions. Upon ultra violet (UV) irradiation (365 nm), the color of complex 1 changes from orange to violet. The ESR spectrum indicates that the photoactive phenomenon of complex 1 originates from an intermolecular energy transfer between the H5DDCPBA ligand and phenanthroline ligand. This photoactive complex shows high thermal stability according to the investigation of thermogravimetric analyses. In addition, the temperature dependence of magnetic susceptibilities for the orange complex 1 was also investigated systematically.
Highlights
In the past two decades, metal organic coordination polymers, as a class of complexes constructed by metal ions and organic bridging ligands through coordination bonds, have attracted great research interest due to their intriguing structural topologies and potential applications in catalysis, separation, electronics, luminescence, drug delivery and gas storage, etc. [1,2,3,4,5,6,7,8,9,10,11]
In all kinds of applications, photo properties of metal organic coordination polymers have attracted increasing attention, especially for their development of photoresponsive materials based on metal–ligand complexes, due to their value and importance to the development of advanced molecular electronic and photonic devices
Compared to the traditional pure organic and inorganic molecular systems, the photoresponsive materials based on metal–ligand complexes can be perturbed and tuned by the connection of different metal centers and photochromic ligands
Summary
In the past two decades, metal organic coordination polymers, as a class of complexes constructed by metal ions and organic bridging ligands through coordination bonds, have attracted great research interest due to their intriguing structural topologies and potential applications in catalysis, separation, electronics, luminescence, drug delivery and gas storage, etc. [1,2,3,4,5,6,7,8,9,10,11]. In the past two decades, metal organic coordination polymers, as a class of complexes constructed by metal ions and organic bridging ligands through coordination bonds, have attracted great research interest due to their intriguing structural topologies and potential applications in catalysis, separation, electronics, luminescence, drug delivery and gas storage, etc. In all kinds of applications, photo properties of metal organic coordination polymers have attracted increasing attention, especially for their development of photoresponsive materials based on metal–ligand complexes, due to their value and importance to the development of advanced molecular electronic and photonic devices. Compared to the traditional pure organic and inorganic molecular systems, the photoresponsive materials based on metal–ligand complexes can be perturbed and tuned by the connection of different metal centers and photochromic ligands. Fu reported a photoactive Zn(II) complex using two non-photoactive components [16]
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