Wafer-scale and patternable synthesis of NbS2 for electrodes of organic transistors and logic gates

Yongsuk Choi, Hunyoung Bark, Boseok Kang, Myeongjae Lee, Bongsoo Kim, Sungjoo Lea, Changgu Lea, Jeong Ho Cho

Research output: Contribution to journalArticle

Abstract

We developed a patternable synthesis method of wafer-scale NbS2, which can be applied for the fabrication of source and drain electrodes of p- and n-type organic field-effect transistors (OFETs) and logic gates. NbS2 film with high uniformity was synthesized directly on a 2-in Si wafer. NbS2 patterns of various sizes and shapes were readily synthesized onto an entire wafer. OFETs with NbS2 electrodes exhibited superior performances to those with conventional metal electrodes. The superior performance of the former OFETs was primarily a result of the enhanced crystallinity of the organic semiconductor layer deposited onto the NbS2 electrode surface. Furthermore, organic complementary circuits such as NOT, NAND, and NOR gates were successfully assembled using the resulting OFETs as a proof of applicability of these devices to complex logic circuits.

Original languageEnglish
Pages (from-to)8599-8606
Number of pages8
JournalJournal of Materials Chemistry C
Volume7
Issue number28
DOIs
Publication statusPublished - 2019 Jan 1

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Organic field effect transistors
Logic gates
Transistors
Electrodes
Gates (transistor)
Semiconducting organic compounds
Logic circuits
Metals
Fabrication
Networks (circuits)

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Chemistry

Cite this

Choi, Yongsuk ; Bark, Hunyoung ; Kang, Boseok ; Lee, Myeongjae ; Kim, Bongsoo ; Lea, Sungjoo ; Lea, Changgu ; Cho, Jeong Ho. / Wafer-scale and patternable synthesis of NbS2 for electrodes of organic transistors and logic gates. In: Journal of Materials Chemistry C. 2019 ; Vol. 7, No. 28. pp. 8599-8606.
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Wafer-scale and patternable synthesis of NbS2 for electrodes of organic transistors and logic gates. / Choi, Yongsuk; Bark, Hunyoung; Kang, Boseok; Lee, Myeongjae; Kim, Bongsoo; Lea, Sungjoo; Lea, Changgu; Cho, Jeong Ho.

In: Journal of Materials Chemistry C, Vol. 7, No. 28, 01.01.2019, p. 8599-8606.

Research output: Contribution to journalArticle

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AU - Bark, Hunyoung

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AU - Lee, Myeongjae

AU - Kim, Bongsoo

AU - Lea, Sungjoo

AU - Lea, Changgu

AU - Cho, Jeong Ho

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