An investigation of the effect of conjugation on fluorene based chromophores; Optoelectronic and electrochemical behavior

Jamaluddin Mahar, Aamer Saeed, Kevin D. Belfield, Anila Iqbal, Madiha Irfan, Ghulam Shabir, Fayaz Ali Larik, Pervaiz Ali Channar

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The requisition of small light emitting organic molecules is on the rise in the field of organic electronics. This study is aimed at synthesis of fluorene based chromophores which possess promising optoelectronic properties. The characterization of synthesized derivatives was carried out by spectroscopy (1H-NMR and 13C-NMR) and spectrometry (EI-MS). The optical properties evaluated by using UV-Vis spectroscopy, were from 394 to 420 nm, Fluorescence ranged 48 nm-113 nm, HOMO energy levels are −6.75 eV to −7.15 eV LUMO -4.08 to −4.52eV with a band gap energy values 2.63–2.67 eV. The band gap energy values suggest that these synthesized molecules can be manipulated in the designing of blue and green OLEDS.

Original languageEnglish (US)
Pages (from-to)385-392
Number of pages8
JournalDyes and Pigments
Volume147
DOIs
StatePublished - Dec 2017
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Process Chemistry and Technology

Keywords

  • Band gap
  • Electrochemical behavior
  • Fluorene based chromophores
  • Optical properties
  • Stoke's shift

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