Issue 94, 2015
From the journal:

RSC Advances

Organic memory effect from donor–acceptor polymers based on 7-perfluorophenyl-6H-[1,2,5]thiadiazole[3,4-g]benzoimidazole

Benlin Hu,a   Chengyuan Wang,a   Jing Zhang,a   Kai Qian,a   Pooi See Leea  and  Qichun Zhang*ab  

* Corresponding authors

a School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore
E-mail: qczhang@ntu.edu.sg

b Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore

Abstract

A novel D–A conjugated polymer (PIBT-BDT) with 7-perfluorophenyl-6H-[1,2,5]thiadiazole[3,4-g]benzoimidazole is synthesized by the Stille coupling reaction. A memory device with PIBT-BDT as the active layer shows a large on/off ratio (>105), good endurance (>100 cycles), and long retention (>104 s). Through simulating the I–V curves and analysing energy barriers in the device structure, we suggest that the memory effect of Au/PIBT-BDT/ITO originates from the charge transfer between the strong acceptor (IBT) units and the donor BDT units.

Graphical abstract: Organic memory effect from donor–acceptor polymers based on 7-perfluorophenyl-6H-[1,2,5]thiadiazole[3,4-g]benzoimidazole

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Article information

DOI
https://doi.org/10.1039/C5RA15059K
Article type
Paper
Submitted
29 Jul 2015
Accepted
27 Aug 2015
First published
28 Aug 2015

RSC Adv., 2015,5, 77122-77129

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Organic memory effect from donor–acceptor polymers based on 7-perfluorophenyl-6H-[1,2,5]thiadiazole[3,4-g]benzoimidazole

B. Hu, C. Wang, J. Zhang, K. Qian, P. S. Lee and Q. Zhang, RSC Adv., 2015, 5, 77122 DOI: 10.1039/C5RA15059K

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