High-response organic thin-film memory transistors based on dipole-functional polymer electret layers

Yu Fu Wang, Min Ruei Tsai, Yi Sheng Lin, Fu Chiao Wu, Chin Yang Lin, Horng Long Cheng, Shyh Jiun Liu, Fu-Ching Tang, Wei Yang Chou

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A molecular design for the electret material of n-operating organic field-effect transistor-based (OFET) memories is introduced. A large memory window and high operating speed were achieved while the polar groups are connected to the polymer chain of polyimide, which plays the role of electret of a transistor memory device. The phase variation of electrical force microscopy images showed that polarization field induces charge trapping states on the surface of electret layer and accumulates charged carriers within the conducting channel of OFET to achieve high-performance memory and transistor simultaneously. An extra-large memory window was also obtained by introducing photo-induced charge transfer effect.

Original languageEnglish
Pages (from-to)359-364
Number of pages6
JournalOrganic Electronics
Volume26
DOIs
Publication statusPublished - 2015 Aug 14

Fingerprint

Electrets
Functional polymers
electrets
Transistors
transistors
dipoles
Data storage equipment
Thin films
polymers
thin films
Organic field effect transistors
field effect transistors
Charge trapping
polyimides
Polyimides
Charge transfer
Microscopic examination
Polymers
trapping
charge transfer

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry
  • Electrical and Electronic Engineering

Cite this

Wang, Yu Fu ; Tsai, Min Ruei ; Lin, Yi Sheng ; Wu, Fu Chiao ; Lin, Chin Yang ; Cheng, Horng Long ; Liu, Shyh Jiun ; Tang, Fu-Ching ; Chou, Wei Yang. / High-response organic thin-film memory transistors based on dipole-functional polymer electret layers. In: Organic Electronics. 2015 ; Vol. 26. pp. 359-364.
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High-response organic thin-film memory transistors based on dipole-functional polymer electret layers. / Wang, Yu Fu; Tsai, Min Ruei; Lin, Yi Sheng; Wu, Fu Chiao; Lin, Chin Yang; Cheng, Horng Long; Liu, Shyh Jiun; Tang, Fu-Ching; Chou, Wei Yang.

In: Organic Electronics, Vol. 26, 14.08.2015, p. 359-364.

Research output: Contribution to journalArticle

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AB - A molecular design for the electret material of n-operating organic field-effect transistor-based (OFET) memories is introduced. A large memory window and high operating speed were achieved while the polar groups are connected to the polymer chain of polyimide, which plays the role of electret of a transistor memory device. The phase variation of electrical force microscopy images showed that polarization field induces charge trapping states on the surface of electret layer and accumulates charged carriers within the conducting channel of OFET to achieve high-performance memory and transistor simultaneously. An extra-large memory window was also obtained by introducing photo-induced charge transfer effect.

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