Bias-stress effects in organic field-effect transistors based on self-assembled monolayer nanodielectrics
Literature Information
Publication Date
2011-06-20
DOI
10.1039/C1CP20769E
Impact Factor
3.676
Authors
Florian Colléaux, James M. Ball, Paul H. Wöbkenberg, Peter J. Hotchkiss, Seth R. Marder, Thomas D. Anthopoulos
View Original
Abstract
The electrical stability of low-voltage organic transistors based on phosphonic acid self-assembled monolayer (SAM) dielectrics is investigated using four different semiconductors. The threshold voltage shift in these devices shows a stretched-exponential time dependence under continuous gate bias with a relaxation time in the range of 103–105 s, at room temperature. Differences in the bias instability of transistors based on different self-assembled monolayers and organic semiconductors suggest that charge trapping into localized states in the semiconductor is not the only mechanism responsible for the observed instability. By applying 1–5 s long programming voltage pulses of 2–3 V in amplitude, a large reversible threshold voltage shift can be produced. The retention time of the programmed state was measured to be on the order of 30 h. The combination of low voltage operation and relatively long retention times makes these devices interesting for ultra-low power memory applications.
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Source Journal
Physical Chemistry Chemical Physics
CiteScore:
5.5
Self-citation Rate:
10.3%
Articles per Year:
3036
Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.
Recommended Compounds
![2,6-Bis({(2R)-2-[hydroxy(diphenyl)methyl]-1-pyrrolidinyl}methyl)-4-methylphenol structure](https://static.chemtradehub.com/structs/877/877395-58-9-70bf.webp "2,6-Bis({(2R)-2-[hydroxy(diphenyl)methyl]-1-pyrrolidinyl}methyl)-4-methylphenol structure")
2,6-Bis({(2R)-2-[hydroxy(diphenyl)methyl]-1-pyrrolidinyl}methyl)-4-methylphenol
CAS Number:
877395-58-9
Molecular Formula:
C43H46N2O3
2-(4-Chlorophenyl)-4-(dimethylamino)-2-(2-(dimethylamino)ethyl)butanenitrile
CAS Number:
1246816-57-8
Molecular Formula:
C16H24ClN3
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