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Micellar poly(styrene-b-4-vinylpyridine)-nanoparticle hybrid system for non-volatile organic transistor memory

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Micellar poly(styrene-b-4-vinylpyridine)-nanoparticle hybrid system for non-volatile organic transistor memory

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dc.contributor.author Leong, Wei Lin
dc.contributor.author Mathews, Nripan
dc.contributor.author Mhaisalkar, Subodh Gautam
dc.contributor.author Lam, Yeng Ming
dc.contributor.author Chen, Tupei
dc.contributor.author Lee, Pooi See
dc.date.accessioned 2012-10-03T03:42:40Z
dc.date.available 2012-10-03T03:42:40Z
dc.date.copyright 2009
dc.date.issued 2012-10-03
dc.identifier.citation Leong, W. L., Mathews, N., Mhaisalkar, S., Lam, Y. M., Chen, T., & Lee, P. S. (2009). Micellar poly(styrene-b-4-vinylpyridine)-nanoparticle hybrid system for non-volatile organic transistor memory. Journal of Materials Chemistry, 19(39), 7354-7361.
dc.identifier.uri http://hdl.handle.net/10220/8693
dc.description.abstract We present organic field-effect transistor (OFET) memories where in-situ synthesized gold (Au) nanoparticles in self-assembled polystyrene-block-poly-4-vinylpyridine (PS-b-P4VP) block copolymer nanodomains successfully functioned as charge storage elements. Both p-type (pentacene) and n-type (perfluorinated copper phthalocyanine) OFET based memories are reported, which have stable large charge capacity and programmable-erasable properties due to charge confinement in the embedded Au nanoparticles. Optical excitation has been utilized to demonstrate photogenerated minority carrier trapping in the Au nanoparticles for efficient erasing operations. The memory devices can hence be written and read electrically and erased optically, resulting in large memory windows (9–11 V), high on/off ratio between memory states (103–105) and long retention times (>1000 s). The results clearly indicate the utility of the block copolymer-nanoparticle approach for OFET based memories.
dc.language.iso en
dc.relation.ispartofseries Journal of materials chemistry
dc.rights © 2009 The Royal Society of Chemistry. This is the author created version of a work that has been peer reviewed and accepted for publication by Journal of Materials Chemistry, The Royal Society of Chemistry. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1039/b911493a].
dc.subject DRNTU::Engineering::Materials
dc.title Micellar poly(styrene-b-4-vinylpyridine)-nanoparticle hybrid system for non-volatile organic transistor memory
dc.type Journal Article
dc.contributor.school School of Materials Science and Engineering
dc.identifier.doi http://dx.doi.org/10.1039/b911493a
dc.description.version Accepted version

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