期刊
JOURNAL OF ORGANOMETALLIC CHEMISTRY
卷 896, 期 -, 页码 16-23出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2019.05.028
关键词
Conjugated system; Ethylferrocene; 4H-pyran; Dyad; Push-pull system
资金
- Research Council of University of Tabriz [SAD-27-15/960701]
In this research, we designed and synthesized six new pyranylidene backbone end-capped with donor and acceptor groups. Ethylferrocene was presented as new donor to evaluate the effect of alkyl chain substituted in ferrocene unit on linear optical and electrochemical properties of push-pull systems and compare it with their unsubstituted ferrocene analogues. Proposed structures were confirmed via FT-IR, H-1 NMR, C-13 NMR, elemental analyses and mass spectra. Optical band gaps were determined in the range of 1.85-2.24 using UV-vis spectroscopy for synthesized chromophores. Electrochemical studies were performed by cyclic voltammetry and show the reversible redox behavior with Delta E-p = E-pa - E-pc <= 0: 08 V, and diffusion limited for the redox process. (c) 2019 Elsevier B.V. All rights reserved.
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