Journal
DALTON TRANSACTIONS
Volume 49, Issue 35, Pages 12411-12417Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0dt02532a
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Funding
- National Natural Science Foundation of China [21971041, 21572032]
- Natural Science Foundation of Fujian Province [2018J01431, 2018J01690]
- Research Foundation of Education Bureau of Fujian Province [JT180813]
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D-A hybrid heterostructures are an attractive class of hybrid complexes composed of semiconducting organic and inorganic components, which make them potential candidates for applications in the photoelectric fields, particularly as photochromic materials. Herein, we report that the combination of metal cations (M = Zn2+ or Cd2+), silicomolybdic anions, and N,N-di(4-pyridyl)-1,4,5,8- naphthalene diimide (DPNDI)via two diffusion methods (A and B) led to four three-component D-A hybrid heterostructures with silicomolybdic anions as electron donors, and one-dimensional (1-D) naphthalenediimide coordination networks of different metal cations, [Zn-2(DPNDI)(2)(H2O)(4)]center dot(SiMo12O40) (1-A and 1-B) and [Cd-2(DPNDI)(2)(H2O)(4)]center dot(SiMo12O40) (2-A and 2-B), as electron acceptors. Although the different diffusion methods,1-B,2-A and 2-B, are isostructures with close cell parameters. Due to the different ionic radii and electronegativity of metal cations in isostructural 1-B and 2-B, they exhibit different electron-transfer photochromic behaviors. This study paves a new path for designing novel photochromic materials through such third-component metal cations.
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