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Mechanically induced multicolor switching based on a single organic molecule

  • Zhiyong Ma
  • , Mingjun Teng
  • , Zhijian Wang
  • , Shuang Yang
  • , Xinru Jia
  • Peking University

Research output: Contribution to journalArticlepeer-review

Abstract

Asserting its independence: A single organic molecule containing pyrene and rhodamine B chromophores separated by a peptide spacer (see structure) formed a mechanochromic material whose fluorescence could be switched from blue to bluish-green and reddish by grinding. Modulation of the overlapped packing pattern of the pyrene excimer for blue emission was crucial for the reversible tricolored switching observed.

Original languageEnglish
Pages (from-to)12268-12272
Number of pages5
JournalAngewandte Chemie - International Edition
Volume52
Issue number47
DOIs
StatePublished - 18 Nov 2013
Externally publishedYes

Keywords

  • chromophores
  • excimers
  • mechanochromic fluorescence
  • ring opening
  • tricolored switches

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