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240116s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202311047
|2 doi
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|a eng
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|a Matsuo, Takaya
|e verfasserin
|4 aut
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|a A Novel N-Type Molecular Dopant With a Closed-Shell Electronic Structure Applicable to the Vacuum-Deposition Process
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 11.04.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 The Authors. Advanced Materials published by Wiley‐VCH GmbH.
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|a Rational design, synthesis, and characterization of a new efficient versatile n-type dopant with a closed-shell electronic structure are described. By employing the tetraphenyl-dipyranylidene (DP0) framework with two 7π-electron systems modified with N,N-dimethylamino groups as the strong electron-donating substituent, 2,2',6,6'-tetrakis[4-(dimethylamino)phenyl]-4,4'-dipyranylidene (DP7), a closed-shell molecule with an extremely high-lying energy level of the highest occupied molecular orbital, close to 4.0 eV below the vacuum level, is successfully developed. Thanks to its thermal stability, DP7 is applicable to vacuum deposition, which allows utilization of DP7 in bulk doping for the development of n-type organic thermoelectric materials and contact doping for reducing contact resistance in n-type organic field-effect transistors. As vacuum-deposition processable n-type dopants are very limited, DP7 stands out as a useful n-type dopant, particularly for the latter purpose
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|a Journal Article
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|a contact resistance
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|a molecular design
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|a n‐type dopant
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|a n‐type organic field‐effect transistor
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|a n‐type organic thermoelectrics
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1 |
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|a Kawabata, Kohsuke
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Takimiya, Kazuo
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 15 vom: 16. Apr., Seite e2311047
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:36
|g year:2024
|g number:15
|g day:16
|g month:04
|g pages:e2311047
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202311047
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