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Tetra-phthalimide end-fused bifluorenylidene: Synthesis and characterization

  • School of Chemistry and Chemical Engineering, Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

A novel electron acceptor, namely, tetra-phthalimide end-fused bifluorenylidene (3D-imide) was designed and synthesized. In comparison to its framework analogue 12,12'-bidibenzo[b,h]fluorenylidene (BF-3), the electron withdrawing capability and optical absorption were strengthened and enlarged, respectively. Moreover, photoluminescence quenching experiments were carried out, which confirmed 3D-imide could be a good candidate for nonfullene organic photovoltaics. Finally, we gained more insight into its electronic properties through density functional theory calculation.

Original languageEnglish
Pages (from-to)259-262
Number of pages4
JournalChinese Chemical Letters
Volume30
Issue number1
DOIs
StatePublished - Jan 2019
Externally publishedYes

Keywords

  • Bifluorenylidene
  • Electron acceptor
  • Polycycles
  • Three dimensional
  • Twisting

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