Synthesis, absorption, and fluorescence-emission properties of 1,3,6,8-tetraethynylpyrene and its derivatives

  • Venkataramana G
  • Sankararaman S
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Abstract

The synthesis of several 1,3,6,8-tetraethynylpyrene derivatives is reported. The effect of extended acetylenic conjugation on their absorption and fluorescence-emission properties is studied. Significant bathochromic shifts of both the absorption and fluorescence emission bands are observed. These derivatives emit fluorescence in the visible (400–550 nm) region.

Author-supplied keywords

  • Alkynes
  • Conjugation
  • Fluorescence
  • Pyrene
  • Quantum yield

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Authors

  • Gandikota Venkataramana

  • Sethuraman Sankararaman

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