Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 6, Issue 42, Pages 11348-11355Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8tc03140a
Keywords
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Funding
- Hong Kong Research Grants Council [PolyU 123021/17P, PolyU 153051/17P]
- National Natural Science Foundation of China [21504074, 61274018, 21174064]
- Areas of Excellence Scheme, University Grants Committee of HKSAR [AoE/P-03/08]
- Hong Kong Polytechnic University [1-BE0Q]
- Ms Clarea Au for the Endowed Professorship in Energy [847S]
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A series of non-conjugated ferrocene-containing copolymers FcCP1-FcCP3 with a triphenylamine (TPA), benzothiazole (BT) or phenothiazine (PHZ) unit has been designed and synthesized via a facile radical polymerization protocol. The structural, photophysical, electrochemical and memory characteristics of these polymers were systematically studied. All the copolymers exhibited flash memory behaviour with a bistable conductive process, where FcCP1 showed a large ON/OFF current ratio of 10(3) to 10(4) with a low threshold voltage of -0.6 V. Such remarkable results suggest that non-conjugated ferrocene-containing copolymers are promising active materials for memory applications.
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