2010
DOI: 10.1002/adfm.201000879
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Synthesis, Morphology, and Properties of Poly(3‐hexylthiophene)‐block‐Poly(vinylphenyl oxadiazole) Donor–Acceptor Rod–Coil Block Copolymers and Their Memory Device Applications

Abstract: Novel donor–acceptor rod–coil diblock copolymers of regioregular poly(3‐hexylthiophene) (P3HT)‐block‐poly(2‐phenyl‐5‐(4‐vinylphenyl)‐1,3,4‐oxadiaz‐ole) (POXD) are successfully synthesized by the combination of a modified Grignard metathesis reaction (GRIM) and atom transfer radical polymerization (ATRP). The effects of the block ratios of the P3HT donor and POXD pendant acceptor blocks on the morphology, field effect transistor mobility, and memory device characteristics are explored. The TEM, SAXS, WAXS, and … Show more

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Cited by 113 publications
(91 citation statements)
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“…Fang et al [61] synthesized donor-acceptor diblock copolymers of regioregular poly(3-hexylthiophene)-block-poly(2-phenyl-5-(4-vinylphenyl)21,3,4-oxadiazole) (P3HT-b-POXD) (Fig. 9a).…”
Section: Tethered Alkyl Substituted Polythiophenes Copolymers and Comentioning
confidence: 99%
“…Fang et al [61] synthesized donor-acceptor diblock copolymers of regioregular poly(3-hexylthiophene)-block-poly(2-phenyl-5-(4-vinylphenyl)21,3,4-oxadiazole) (P3HT-b-POXD) (Fig. 9a).…”
Section: Tethered Alkyl Substituted Polythiophenes Copolymers and Comentioning
confidence: 99%
“…3 Conjugated rod-coil copolymers have attracted extensive research interest for electronic applications because the conjugated rods typically possess strong interchain π-π interactions to facilitate conducting channels, whereas the soft coil blocks provide the degree of freedom for polymer chain movement to induce self-assembled molecular packing. 6 Polyfluorene (PF) is a well-known conjugated moiety for optoelectronics (for example, light-emitting diodes, 13 field-effect transistors, 14 and memory devices [15][16][17] owing to its good electrondonating ability, efficient hole carrier transport and outstanding thermal stability. PF-based rod-coil block copolymers have been explored for resistive memory applications.…”
Section: Introductionmentioning
confidence: 99%
“…A volatile SRAM PF-b-Poly(2-vinylpyridine) memory with tunable charge storage duration was previously reported. Moreover, an electronwithdrawing [6,6]-phenyl-C 61 -butyric acid methyl ester was added to associate the donor-acceptor (D-A) charge transfer interaction, converting the memory from volatile SRAM to nonvolatile WORM behavior. 16 Such a D-A effect, however, must be generated using a polymer composite (that is, adding an extra functional molecule), which may face the bottlenecks of thin-film uniformity and device reproducibility.…”
Section: Introductionmentioning
confidence: 99%
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“…[1][2][3][4][5][6][7][8][9][10][11][12] Resistor-and transistor-based memory devices are popular architectural approaches for operating the memories. Data storage with resistor memories employs the changes in resistance in response to an applied voltage bias.…”
Section: Introductionmentioning
confidence: 99%