4.7 Article

Tetraphenylethene-based tetracationic dicyclophanes: synthesis, mechanochromic luminescence, and photochemical reactions

Journal

CHEMICAL COMMUNICATIONS
Volume 56, Issue 21, Pages 3195-3198

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cc00860e

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Funding

  1. National Natural Science Foundation of China [21971208, 21771145]
  2. Fok Ying Tong Education Foundation [171010]

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Two tetraphenylethene-based tetracationic dicyclophanes 1 and 2 were synthesized via a one-step S(N)2 reaction. Based on the central TPE unit and the slight difference of the outer linkers, 1 and 2 exhibited a classic aggregation-induced emission but contrasting mechanochromic luminescence under grinding, vaporing, or hydrostatic pressure in the solid state, and photochemical reactions with various emitting colours induced by photoirradiation in the solution state.

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