Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Synthesis and Electrochemical Spectroscopic Characterization of Benzophenone Derivatives

벤조페논 유도체의 합성과 전기화학 및 분광학특성에 관한 연구

  • 한만소 (대진대학교 자연과학대학 화학과) ;
  • 채원석 (대진대학교 자연과학대학 화학과)
  • Published : 2009.06.30
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Abstract

The benzophenone derivatives(4-$CH_3O$-4'-$NO_2$ and 3,4'-di-$NO_2$) are synthesized by the Fridel-Craft acylation and the nitration method. Electrochemical redox potentials of the benzophenone derivatives (4-$CH_3O$, H, 3-Cl, 3-$NO_2$, 4-$NO_2$, 4-$CH_3O$-4'-$NO_2$, 3,4'-di-$NO_2$) are measured by using cyclic voltammometry. In the relationship of summing Hammett value and redox potential, we find a proportional constant$(\rho)$ that shows a good relation with an electrochemical property and a reactivity of the benzophenone derivatives. The benzophenone substituted with the electron donating groups(4-$OCH_3$ and 4-$OCH_3-4'-NO_2$) are higher the energy in the LUMO level, then increasing a band-gap energy$(E_g)$, their $E_gs$ are obtained as a 3.94 eV and 3.59 eV, respectively.

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