• Title/Summary/Keyword: cyclicvoltammogram

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Characteristics of HOMO and LUMO Energy Potentials toward Rhodamine 6G-Naphthaldehyde Chemosensor

  • Kim, Hyungjoo;Lee, Do-Hyun;Son, Young-A
    • Textile Coloration and Finishing
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    • v.25 no.1
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    • pp.1-6
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    • 2013
  • Nowdays, the computational simulation of molecular energy potentials and the empirical evidence using electrochemical reduction/oxidation values are very significant factors to predict of molecule's energy potentials. The prepared chemosensor herein consists of spirolactam ring system in the structure, providing intra-structural change with metal cation binding. In this study, rhodamine 6G-Naphthaldehyde chemosensor was determined and compared with HOMO/LUMO energy levels by computational calculation and cyclic voltammogram method.

Electrochemical Study on Energy Potential Levels with Pyrene Molecule

  • Kim, Hyungjoo;Li, Xiaochuan;Son, Young-A
    • Textile Coloration and Finishing
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    • v.25 no.3
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    • pp.159-164
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    • 2013
  • Pyrene based molecule has been synthesized through the reaction of pyrene-1-carboxaldehyde and 4- phenylthiosemicarbazide in this research. The pyrene based molecule showed specific optical properties such as absorption and emission changes after mixing with fluoride in DMSO. The phenomenon is induced by the interaction of the molecule and fluoride. This interaction may affect to electron distributions and potential energy levels. In this regard, synthesized pyrene based molecule has been investigated for its electron distributions and HOMO/LUMO energy levels depending on interaction with fluoride. The absorption measurement, cyclicvoltammograms and computational method were investigated to calculate and compare energy potential levels.