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Conjugated Polymer with On‐Chain Pt(II) Complex for Resistive Random‐Access Memory Device
Author(s) -
Lin Wenpeng,
Sun Huibin,
Liu Shujuan,
Yang Huiran,
Ye Shanghui,
Xu Wenjuan,
Zhao Qiang,
Liu Xiangmei,
Huang Wei
Publication year - 2012
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.201200465
Subject(s) - moiety , polymer , conjugated system , carbazole , materials science , resistive random access memory , acceptor , dissociation (chemistry) , bistability , polymer chemistry , photochemistry , optoelectronics , chemistry , stereochemistry , electrode , physics , composite material , condensed matter physics
A novel conjugated polymer, containing carbazole which acted as an electron‐donor moiety, and a Pt(II) complex which acted as an electron‐acceptor moiety, was synthesized and characterized. Electrical characterizations for the sandwiched polymer memory device (ITO/polymer/Al) indicate that the polymer possesses electrical bistability and the device exhibits resistive random‐access memory. The memory mechanism has been investigated through theoretical calculations and attributed to the formation and dissociation of a charge‐transfer state under the applied voltage. The device exhibits excellent memory performances, such as low threshold voltage, high ON/OFF current ratio, and good stability.