Journal of Solution Chemistry

, Volume 48, Issue 11–12, pp 1535–1546 | Cite as

An Experimental Study to Synthesize and Characterize Host–Guest Encapsulation of Anthracene, and the Quenching Effects of Co and Ni

  • Sinem Ezgi Sarlı
  • Umit AyEmail author


A complex of anthracene with methyl-beta-cyclodextrin (A-Me-β-CD) having fluorophoric characteristics was obtained in aqueous medium. Spectroscopic and thermal analyses of the complex were performed by Fourier transform infrared spectroscopy and differential scanning calorimetry-thermogravimetry. The interaction of Me-β-CD and anthracene was also analyzed by means of spectrometry by a UV–Vis spectrophotometer. The stoichiometry of the complex was determined by the Benesi–Hildebrand method. The complex formation constant was found to be (42 ± 3) × 103 L·mol−1. The Gibbs energy and excited singlet state energy were calculated. The mechanism of the quenching effect of Co(II) and Ni(II) metals in the inclusion complex was studied. The Stern–Volmer constant, bimolecular quenching rate constant, lifetime and approximate activation energy values were determined, and the quenching was found to be diffusion controlled dynamic quenching. In addition, with the energy band calculations made, it was shown by means of Taug curves that electron transfer was made to Ni and Co metals from the complex fluorophore group in the quenching mechanism.


Anthracene Encapsulation Lifetime Band gap Fluorescence 



We would like to thank the Kocaeli University Scientific Research Coordinator (BAP) (Project No: 2017/010), who contributed to the authors in this study, and the Gebze Technical University, Department of Chemistry, who helped to read the fluorescence lifetimes.

Supplementary material

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Supplementary material 1 (PDF 80 kb)


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of ChemistryKocaeli UniversityKocaeliTurkey

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