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Flexible Organic Transistors for Bioinspired Mechanosensory Systems and Image Sensor Arrays.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Flexible Organic Transistors for Bioinspired Mechanosensory Systems and Image Sensor Arrays./
Author:	Kim, Yeongin.
Description:	1 online resource (113 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 82-02, Section: B.
Contained By:	Dissertations Abstracts International82-02B.
Subject:	Condensed matter physics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28114949click for full text (PQDT)
ISBN:	9798662557079

Flexible Organic Transistors for Bioinspired Mechanosensory Systems and Image Sensor Arrays.
Kim, Yeongin.

Flexible Organic Transistors for Bioinspired Mechanosensory Systems and Image Sensor Arrays. - 1 online resource (113 pages)

Source: Dissertations Abstracts International, Volume: 82-02, Section: B.

Thesis (Ph.D.)--Stanford University, 2018.

Includes bibliographical references

Organic semiconductors are mechanically flexible or even stretchable, and their properties, such as electronic, optical, mechanical, chemical properties, are tunable via modification of their chemical structures. We can utilize organic semiconductors for flexible electronics, such as displays, wearable sensors, and electronic skins. When making flexible organic thin-film transistors, we need to have a good understanding of organic thin-film growth and avoid the damages of organic semiconductors from organic solvents, water, UV light, and high temperatures during fabrication. The growth and characterization of thin films of two thienoacene dimers are discussed first. Depending on alkylation, dimerization, and fusion, thienoacenes showed different thin-film morphologies and electronic properties. Then, organic thin-film transistors are fabricated on flexible substrates and used for two different bioinspired applications: artificial mechanosensory systems and hemispherical optical sensor arrays. Our artificial mechanosensory system consisted of pressure sensors, organic ring oscillators, and organic ion-gel transistors. Our artificial mechanosensory system processed pressure information in a way the biological somatosensory system does. Our artificial mechanosensory system can be used to build neurorobots and neuroprosthetics. The other application of organic thin-film transistors was hemispherical optical sensor arrays mimicking eyeballs. Photolithographic processes were used for high density, but photoresist residues contaminated gate dielectric surfaces. The photoresist residue was avoided using an aluminum sacrificial layer. The transfer process of flexible organic thin-film transistors onto a hemisphere was also described.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798662557079Subjects--Topical Terms:

3173567
Condensed matter physics.
Subjects--Index Terms:

Thin film transistorsIndex Terms--Genre/Form:

542853
Electronic books.

Flexible Organic Transistors for Bioinspired Mechanosensory Systems and Image Sensor Arrays.
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245 1 0 $a Flexible Organic Transistors for Bioinspired Mechanosensory Systems and Image Sensor Arrays.
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500 $a Source: Dissertations Abstracts International, Volume: 82-02, Section: B.
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502 $a Thesis (Ph.D.)--Stanford University, 2018.
504 $a Includes bibliographical references
520 $a Organic semiconductors are mechanically flexible or even stretchable, and their properties, such as electronic, optical, mechanical, chemical properties, are tunable via modification of their chemical structures. We can utilize organic semiconductors for flexible electronics, such as displays, wearable sensors, and electronic skins. When making flexible organic thin-film transistors, we need to have a good understanding of organic thin-film growth and avoid the damages of organic semiconductors from organic solvents, water, UV light, and high temperatures during fabrication. The growth and characterization of thin films of two thienoacene dimers are discussed first. Depending on alkylation, dimerization, and fusion, thienoacenes showed different thin-film morphologies and electronic properties. Then, organic thin-film transistors are fabricated on flexible substrates and used for two different bioinspired applications: artificial mechanosensory systems and hemispherical optical sensor arrays. Our artificial mechanosensory system consisted of pressure sensors, organic ring oscillators, and organic ion-gel transistors. Our artificial mechanosensory system processed pressure information in a way the biological somatosensory system does. Our artificial mechanosensory system can be used to build neurorobots and neuroprosthetics. The other application of organic thin-film transistors was hemispherical optical sensor arrays mimicking eyeballs. Photolithographic processes were used for high density, but photoresist residues contaminated gate dielectric surfaces. The photoresist residue was avoided using an aluminum sacrificial layer. The transfer process of flexible organic thin-film transistors onto a hemisphere was also described.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2023
538 $a Mode of access: World Wide Web
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650 4 $a Electrical engineering. $3 649834
653 $a Thin film transistors
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690 $a 0611
710 2 $a ProQuest Information and Learning Co. $3 783688
710 2 $a Stanford University. $3 754827
773 0 $t Dissertations Abstracts International $g 82-02B.
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