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The mechanically induced color change from UV to visible region

  • Zhiyong Ma
  • , Mingjun Teng
  • , Zhijian Wang
  • , Xinru Jia*
  • *Corresponding author for this work
  • Peking University

Research output: Contribution to journalArticlepeer-review

Abstract

The branched amidoamine molecule 1 with different chromophores of a rhodamine B and two pyrenyl moieties at each side was synthesized. The luminescent properties of 1 with the color change from bright blue (UV region) to reddish (visible region) under mechanical stimulus were observed, which was attributed to the emission of pyrene excimer II, with a sandwich packing mode, and the chemical reaction of rhodamine B from a spirolactam to a ring opened amide.

Original languageEnglish
Pages (from-to)6504-6506
Number of pages3
JournalTetrahedron Letters
Volume54
Issue number48
DOIs
StatePublished - 27 Nov 2013
Externally publishedYes

Keywords

  • Amidoamine
  • Mechanochromic luminescent
  • Pyrene
  • Rhodamine B
  • Ring-opening reaction

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