Article

Research on Chemical Intermediates

, 35:939

First online:

UV absorption and fluorescence properties of fused aromatic hydrocarbons having trimethylsilyl, trimethylgermyl, and trimethylstannyl groups

  • Hajime MaedaAffiliated withDepartment of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University Email author 
  • , Hideki IshidaAffiliated withDepartment of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University
  • , Yohtaro InoueAffiliated withDepartment of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University
  • , Abdurisit MerpugeAffiliated withDepartment of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University
  • , Tomohiro MaedaAffiliated withDepartment of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University
  • , Kazuhiko MizunoAffiliated withDepartment of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University

Rent the article at a discount

Rent now

* Final gross prices may vary according to local VAT.

Get Access

Abstract

Effects of trimethylsilyl, trimethylgermyl, and trimethylstannyl substituents attached to fused aromatic hydrocarbons such as pyrene, anthracene, phenanthrene, and naphthalene were studied in terms of UV absorption and fluorescence properties in aerated cyclohexane solutions. Absorption maxima of trimethylsilyl-, trimethylgermyl-, and trimethylstannyl-substituted aromatic hydrocarbons shifted to longer wavelengths than those of unsubstituted ones. Absorption maxima of mono-, bis-, tris-, and tetrakis(trimethylsilyl)pyrenes shifted to longer wavelength consecutively at intervals of 10 nm. Fluorescence intensities and fluorescence lifetimes of trimethylsilyl-substituted aromatic hydrocarbons were larger and longer than those of unsubstituted ones, and they decreased in the order of Me3SiAr > Me3GeAr > Me3SnAr. Fluorescence intensity of 1,3,6,8-tetrakis(trimethylsilyl)pyrene was largest among those of a series of mono-, bis-, tris-, and tetrakis(trimethylsilyl)pyrenes under aerated conditions.

Keywords

Absorption Fluorescence Aromatic hydrocarbons Group 14 elements