Issue 33, 2021

Synthesis, characterization, and optoelectronic properties of phenothiazine-based organic co-poly-ynes

Abstract

We present the synthesis and characterization of seven new organic co-poly-ynes P1–P7 incorporating the phenothiazine (PTZ) motif and evaluate their optoelectronic properties and performance in polymer light-emitting diodes and polymer solar cells (PLEDs/PSCs). The co-poly-ynes were obtained in moderate to high yields via Sonogashira coupling reactions and characterized using analytical, spectroscopic and electrochemical techniques and complementary quantum-chemical modelling. The materials show strong optical absorption in the visible region of the spectrum and most also show strong emission with quantum yields in the range of 13–41% relative to rhodamine 6G (R6G). PLED devices based on the co-poly-ynes were prepared and the most promising was measured to have a brightness of up to 1.10 × 104 cd m−2. PSCs based on donor materials incorporating some of the polymers were prepared and demonstrated power conversion efficiencies of up to 0.24%.

Graphical abstract: Synthesis, characterization, and optoelectronic properties of phenothiazine-based organic co-poly-ynes

Supplementary files

Article information

Article type
Paper
Submitted
24 feb 2021
Accepted
08 jun 2021
First published
09 jun 2021

New J. Chem., 2021,45, 15082-15095

Synthesis, characterization, and optoelectronic properties of phenothiazine-based organic co-poly-ynes

I. J. Al-Busaidi, A. Haque, R. A. Al-Balushi, J. A. Rather, A. Munam, R. Ilmi, P. R. Raithby, Y. Zhang, Y. Fu, Z. Xie, S. Chen, S. M. Islam, W. Wong, J. M. Skelton and M. S. Khan, New J. Chem., 2021, 45, 15082 DOI: 10.1039/D1NJ00925G

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