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Photoconductivity from carbon nanotube transistors activated by photosensitive polymers.

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Photoconductivity from carbon nanotube transistors activated by photosensitive polymers.

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dc.contributor.author Shi, Yumeng.
dc.contributor.author Dong, Xiaochen.
dc.contributor.author Tantang, Hosea.
dc.contributor.author Weng, Cheng-Hui.
dc.contributor.author Chen, Fuming.
dc.contributor.author Lee, Chun Wei.
dc.contributor.author Zhang, Keke.
dc.contributor.author Chen, Yuan.
dc.contributor.author Wang, Junling.
dc.contributor.author Li, Lain-Jong.
dc.date.accessioned 2011-12-16T08:28:34Z
dc.date.available 2011-12-16T08:28:34Z
dc.date.copyright 2008
dc.date.issued 2011-12-16
dc.identifier.citation Shi, Y., Dong, X., Tantang, H., Weng, C.-H., Chen, F., Lee, C., & et al. (2008). Photoconductivity from carbon nanotube transistors activated by photosensitive polymers. Journal of physical chemistry C, 112 (46), 18201-18206.
dc.identifier.uri http://hdl.handle.net/10220/7421
dc.description.abstract We perform electrostatic force microscopic measurements to reveal the mechanisms of the photoresponse from polymer-coated carbon nanotube transistors, where the effective gating due to the trapping of photogenerated electrons at SiO2 dielectric surfaces is found dominant. The distant photoresponse and the unique spatial-dependent photoconductivity for polymer-coated SWNT-network transistors are explored for the first time. The photoconductivity depends strongly on the polarity of the applied voltage across the contact pads, which suggests that a secondary effect (electrical field dependent exciton dissociation) needs to be included in addition to the photoinduced electrostatic gating. These spatial photoresponses are generally observed for various substrates and polymers. These results suggest a new strategy for achieving remote light detection, position sensors, or antenna devices.
dc.language.iso en
dc.relation.ispartofseries Journal of physical chemistry C
dc.rights © 2008 American Chemical Society.
dc.subject DRNTU::Engineering::Materials::Nanostructured materials.
dc.title Photoconductivity from carbon nanotube transistors activated by photosensitive polymers.
dc.type Journal Article
dc.contributor.school School of Materials Science and Engineering
dc.identifier.doi http://dx.doi.org/10.1021/jp805315x
dc.description.version Accepted version

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