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Synthesis and characterization of triphenylethylene derivatives with aggregation induced emission characteristics

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Synthesis and characterization of triphenylethylene derivatives with aggregation induced emission characteristics

  1. 1. Synthesis and Characterization of Triphenylethylene Derivatives with Aggregation-Induced Emission Characteristics Presented by : Muhammad Faisal 10060607-084
  2. 2. INTRODUCTION • Aggregation Induced Emission (AIE) Property • Organic luminescent materials with AIE properties • Applications of AIE in the areas of – Electroluminescence devices – Chemosensors • Limited in number due to complicated and difficult preparation. • Triphenylethylene carbazole and triphenylethylene derivatives
  3. 3. EXPERIMENTAL • SYNTHESIS: – The derivatives were easily prepared by a three-step reaction, including the Suzuki and Wittig–Horner reactions. • CHARACTERIZATION: – Structural Identification – Thermal Properties – Photopysical and Electrochemical Properties – Aggregation Induced Emission Properties
  4. 4. RESULTS & DISCUSSION Thermal properties:
  5. 5. RESULTS & DISCUSSION Photophysical and Electrochemical Properties:
  6. 6. RESULTS & DISCUSSION Aggrigation Induced Emission Properties:
  7. 7. CONCLUSION • We have developed New class of AIE compounds…… • Blue light emitters • Maximum fluorescence emission wavelength 443-461 nm. • Glass transition temperature range, 86-129 °C….. • Decomposition temperature, 432-534 °C….. • HOMO levels are between5.61-5.66 eV…. • ΔEg values range is 3.18-3.22 eV…. • The compounds (BN)2Bt and (BB)2Bt exhibited vibronic fine-structure PL spectra when the water fraction was less than 70%

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