Monolayer Transistor Using a Highly Ordered Conjugated Polymer as the Channel

Field-effect transistor structures based on polydiacetylene (PDA) derivatives have been fabricated. Monolayer channels of UV polymerized pentacosa-10,12-diynoic ethanolamide exhibit modulation of source−drain current on application of a gating voltage. Comparison of the two-dimensional crystal morph...

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Bibliographic Details
Published inNano letters Vol. 6; no. 12; pp. 2916 - 2919
Main Authors Scott, J. Campbell, Samuel, J. D. Jeyaprakash, Hou, Jennifer H, Rettner, Charles T, Miller, Robert D
Format Journal Article
LanguageEnglish
Published Washington, DC American Chemical Society 01.12.2006
Subjects
Cross-disciplinary physics: materials science; rheology
Exact sciences and technology
Materials science
Methods of crystal growth; physics of crystal growth
Physics
Theory and models of crystal growth; physics of crystal growth, crystal morphology and orientation
Drain current
Conjugated polymer
Crystal morphology
Field effect transistors
Monolayers
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Summary:Field-effect transistor structures based on polydiacetylene (PDA) derivatives have been fabricated. Monolayer channels of UV polymerized pentacosa-10,12-diynoic ethanolamide exhibit modulation of source−drain current on application of a gating voltage. Comparison of the two-dimensional crystal morphology of this material with several closely related derivatives that show no gating suggests that a high degree of alignment and order in the polymer chains is necessary for the observed transistor action.
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ISSN:1530-6984
1530-6992
DOI:10.1021/nl0622449