Increased electrical conductivity of peptides through annealing process

Seok Daniel Namgung, Jaehun Lee, Ik Rang Choe, Taehoon Sung, Young O. Kim, Yoon Sik Lee, Ki Tae Nam, Jang Yeon Kwon

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Biocompatible biologically occurring polymer is suggested as a component of human implantable devices since conventional inorganic materials are apt to trigger inflammation and toxicity problem within human body. Peptides consisting of aromatic amino acid, tyrosine, are chosen, and enhancement on electrical conductivity is studied. Annealing process gives rise to the decrease on resistivity of the peptide films and the growth of the carrier concentration is a plausible reason for such a decrease on resistivity. The annealed peptides are further applied to an active layer of field effect transistor, in which low on/off current ratio (∼10) is obtained.

Original languageEnglish
Article number086109
JournalAPL Materials
Volume5
Issue number8
DOIs
Publication statusPublished - 2017 Aug 1

Fingerprint

Peptides
Annealing
Aromatic Amino Acids
Field effect transistors
Carboxylic acids
Carrier concentration
Toxicity
Tyrosine
Amino acids
Polymers
Electric Conductivity

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Engineering(all)

Cite this

Namgung, S. D., Lee, J., Choe, I. R., Sung, T., Kim, Y. O., Lee, Y. S., ... Kwon, J. Y. (2017). Increased electrical conductivity of peptides through annealing process. APL Materials, 5(8), [086109]. https://doi.org/10.1063/1.4997562
Namgung, Seok Daniel ; Lee, Jaehun ; Choe, Ik Rang ; Sung, Taehoon ; Kim, Young O. ; Lee, Yoon Sik ; Nam, Ki Tae ; Kwon, Jang Yeon. / Increased electrical conductivity of peptides through annealing process. In: APL Materials. 2017 ; Vol. 5, No. 8.
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Namgung, SD, Lee, J, Choe, IR, Sung, T, Kim, YO, Lee, YS, Nam, KT & Kwon, JY 2017, 'Increased electrical conductivity of peptides through annealing process', APL Materials, vol. 5, no. 8, 086109. https://doi.org/10.1063/1.4997562

Increased electrical conductivity of peptides through annealing process. / Namgung, Seok Daniel; Lee, Jaehun; Choe, Ik Rang; Sung, Taehoon; Kim, Young O.; Lee, Yoon Sik; Nam, Ki Tae; Kwon, Jang Yeon.

In: APL Materials, Vol. 5, No. 8, 086109, 01.08.2017.

Research output: Contribution to journalArticle

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AU - Namgung, Seok Daniel

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AU - Nam, Ki Tae

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AB - Biocompatible biologically occurring polymer is suggested as a component of human implantable devices since conventional inorganic materials are apt to trigger inflammation and toxicity problem within human body. Peptides consisting of aromatic amino acid, tyrosine, are chosen, and enhancement on electrical conductivity is studied. Annealing process gives rise to the decrease on resistivity of the peptide films and the growth of the carrier concentration is a plausible reason for such a decrease on resistivity. The annealed peptides are further applied to an active layer of field effect transistor, in which low on/off current ratio (∼10) is obtained.

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Namgung SD, Lee J, Choe IR, Sung T, Kim YO, Lee YS et al. Increased electrical conductivity of peptides through annealing process. APL Materials. 2017 Aug 1;5(8). 086109. https://doi.org/10.1063/1.4997562