Ferrocene-containing poly(fluorenylethynylene)s for nonvolatile resistive memory devices

Jing Xiang; Tai Kang Wang; Qiang Zhao; Wei Huang; Cheuk Lam Ho; Wai Yeung Wong

doi:10.1039/c5tc03042k

Ferrocene-containing poly(fluorenylethynylene)s for nonvolatile resistive memory devices

Jing Xiang, Tai Kang Wang, Qiang Zhao^*, Wei Huang, Cheuk Lam Ho^*, Wai Yeung Wong^*

^*Corresponding author for this work

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

67 Citations (Scopus)

Abstract

Four new conjugated ferrocene-containing poly(fluorenylethynylene)s (PFcFE1-PFcFE4) with triphenylamine, carbazole or thiophene moieties in the main chain have been designed and synthesized via a Sonogashira coupling reaction. Their structures, molecular weights, optical features, thermal properties and memory performance were well studied. Two terminal single layer devices (ITO/polymer/Al) based on PFcFE1, PFcFE2 and PFcFE3 exhibited flash memory behaviours, while PFcFE4 shared the common characteristics of the "write-once read-many times" (WORM) memory effect. These results would provide a new series of ferrocene-containing conjugated polymers with further opportunities for memory applications.

Original language	English
Pages (from-to)	921-928
Number of pages	8
Journal	Journal of Materials Chemistry C
Volume	4
Issue number	5
Early online date	24 Dec 2015
DOIs	https://doi.org/10.1039/c5tc03042k
Publication status	Published - 7 Feb 2016

Scopus Subject Areas

Chemistry(all)
Materials Chemistry

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title = "Ferrocene-containing poly(fluorenylethynylene)s for nonvolatile resistive memory devices",

abstract = "Four new conjugated ferrocene-containing poly(fluorenylethynylene)s (PFcFE1-PFcFE4) with triphenylamine, carbazole or thiophene moieties in the main chain have been designed and synthesized via a Sonogashira coupling reaction. Their structures, molecular weights, optical features, thermal properties and memory performance were well studied. Two terminal single layer devices (ITO/polymer/Al) based on PFcFE1, PFcFE2 and PFcFE3 exhibited flash memory behaviours, while PFcFE4 shared the common characteristics of the {"}write-once read-many times{"} (WORM) memory effect. These results would provide a new series of ferrocene-containing conjugated polymers with further opportunities for memory applications.",

author = "Jing Xiang and Wang, {Tai Kang} and Qiang Zhao and Wei Huang and Ho, {Cheuk Lam} and Wong, {Wai Yeung}",

note = "Funding Information: We are grateful for the financial support from the National Natural Science Foundation of China (project number 51373145, 61274018, 21174064), Hong Kong Research Grants Council (HKBU203313), Areas of Excellence Scheme, University Grants Committee of HKSAR (project No. AoE/P-03/08), Hong Kong Baptist University (FRG2/13-14/083) and the Science, Technology and Innovation Committee of Shenzhen Municipality (JCYJ20140419130507116). C.-L. Ho thanks Hong Kong Baptist University (FRG2/13-14/078) and the Science, Technology and Innovation Committee of Shenzhen Municipality (JCYJ20140818163041143) for their financial support.",

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AU - Xiang, Jing

AU - Wang, Tai Kang

AU - Zhao, Qiang

AU - Huang, Wei

AU - Ho, Cheuk Lam

AU - Wong, Wai Yeung

N1 - Funding Information: We are grateful for the financial support from the National Natural Science Foundation of China (project number 51373145, 61274018, 21174064), Hong Kong Research Grants Council (HKBU203313), Areas of Excellence Scheme, University Grants Committee of HKSAR (project No. AoE/P-03/08), Hong Kong Baptist University (FRG2/13-14/083) and the Science, Technology and Innovation Committee of Shenzhen Municipality (JCYJ20140419130507116). C.-L. Ho thanks Hong Kong Baptist University (FRG2/13-14/078) and the Science, Technology and Innovation Committee of Shenzhen Municipality (JCYJ20140818163041143) for their financial support.

PY - 2016/2/7

Y1 - 2016/2/7

N2 - Four new conjugated ferrocene-containing poly(fluorenylethynylene)s (PFcFE1-PFcFE4) with triphenylamine, carbazole or thiophene moieties in the main chain have been designed and synthesized via a Sonogashira coupling reaction. Their structures, molecular weights, optical features, thermal properties and memory performance were well studied. Two terminal single layer devices (ITO/polymer/Al) based on PFcFE1, PFcFE2 and PFcFE3 exhibited flash memory behaviours, while PFcFE4 shared the common characteristics of the "write-once read-many times" (WORM) memory effect. These results would provide a new series of ferrocene-containing conjugated polymers with further opportunities for memory applications.

AB - Four new conjugated ferrocene-containing poly(fluorenylethynylene)s (PFcFE1-PFcFE4) with triphenylamine, carbazole or thiophene moieties in the main chain have been designed and synthesized via a Sonogashira coupling reaction. Their structures, molecular weights, optical features, thermal properties and memory performance were well studied. Two terminal single layer devices (ITO/polymer/Al) based on PFcFE1, PFcFE2 and PFcFE3 exhibited flash memory behaviours, while PFcFE4 shared the common characteristics of the "write-once read-many times" (WORM) memory effect. These results would provide a new series of ferrocene-containing conjugated polymers with further opportunities for memory applications.

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Ferrocene-containing poly(fluorenylethynylene)s for nonvolatile resistive memory devices

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