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Article: Photoconductivity from carbon nanotube transistors activated by photosensitive polymers

TitlePhotoconductivity from carbon nanotube transistors activated by photosensitive polymers
Authors
Issue Date2008
Citation
Journal of Physical Chemistry C, 2008, v. 112, n. 46, p. 18201-18206 How to Cite?
AbstractWe 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 SiO 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 exciten 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. © 2008 American Chemical Society. 2
Persistent Identifierhttp://hdl.handle.net/10722/298469
ISSN
2020 Impact Factor: 4.126
2020 SCImago Journal Rankings: 1.401

 

DC FieldValueLanguage
dc.contributor.authorShi, Yumeng-
dc.contributor.authorDong, Xiaochen-
dc.contributor.authorTantang, Hosea-
dc.contributor.authorWeng, Cheng Hui-
dc.contributor.authorChen, Fuming-
dc.contributor.authorLee, Chunwei-
dc.contributor.authorZhang, Keke-
dc.contributor.authorChen, Yuan-
dc.contributor.authorWang, Junling-
dc.contributor.authorLi, Lain Jong-
dc.date.accessioned2021-04-08T03:08:29Z-
dc.date.available2021-04-08T03:08:29Z-
dc.date.issued2008-
dc.identifier.citationJournal of Physical Chemistry C, 2008, v. 112, n. 46, p. 18201-18206-
dc.identifier.issn1932-7447-
dc.identifier.urihttp://hdl.handle.net/10722/298469-
dc.description.abstractWe 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 SiO 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 exciten 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. © 2008 American Chemical Society. 2-
dc.languageeng-
dc.relation.ispartofJournal of Physical Chemistry C-
dc.titlePhotoconductivity from carbon nanotube transistors activated by photosensitive polymers-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/jp805315x-
dc.identifier.scopuseid_2-s2.0-57249108802-
dc.identifier.volume112-
dc.identifier.issue46-
dc.identifier.spage18201-
dc.identifier.epage18206-
dc.identifier.eissn1932-7455-
dc.identifier.issnl1932-7447-

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