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Synthesis and properties of a star-shaped organic material with triphenylamine and N-vinyl carbazole Synthesis and properties of a star-shaped organic material with triphenylamine and N-vinyl carbazole

Synthesis and properties of a star-shaped organic material with triphenylamine and N-vinyl carbazole

  • 期刊名字:中國化學(xué)快報(bào)(英文版)
  • 文件大?。?/li>
  • 論文作者:Qing Guo He,Jian Gong Cheng,F(xiàn)e
  • 作者單位:Shanghai Institute of Microsystem and Information Technology,Key Laboratory of Organic Solids
  • 更新時(shí)間:2023-02-12
  • 下載次數(shù):
論文簡介

A starburst triphenylamine cored N-vinyl carbazole (V-Cz) branched compound was designed and synthesized via optimized Heck reaction in a yield of 40-60%. Moderate yield came from decomposition of V-Cz and self-coupling of triiodo-triphenylamine.TCz-TPA adopts a highly twisted propeller conformation by molecular mechanical optimization. It is readily soluble for its highly twisted conformation. Transparent and pinhole free films could be easily fabricated by spin-coating for its starburst structure. It emits blue-greenish light in CH2Cl2 peaked at 460 nm with a narrow full-width at half-maximum (FWHM) of 65 nm. As compared,the absorption peaks of the spin-coated film blue shifted and emission peak red shifted to 510 nm with a FWHM of 96 nm.

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