Inkjet Printing of Self-Assembled 2D Titanium Carbide and Protein Electrodes for Stimuli-Responsive Electromagnetic Shielding

Mert Vural, Abdon Pena-Francesch, Joan Bars-Pomes, Huihun Jung, Hemanth Gudapati, Christine B. Hatter, Benjamin D. Allen, Babak Anasori, Ibrahim Tarik Ozbolat, Yury Gogotsi, Melik C. Demirel

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

2D titanium carbides (MXene) possess significant characteristics including high conductivity and electromagnetic interference shielding efficiency (EMI SE) that are important for applications in printed and flexible electronics. However, MXene-based ink formulations are yet to be demonstrated for proper inkjet printing of MXene patterns. Here, tandem repeat synthetic proteins based on squid ring teeth (SRT) are employed as templates of molecular self-assembly to engineer MXene inks that can be printed as stimuli-responsive electrodes on various substrates including cellulose paper, glass, and flexible polyethylene terephthalate (PET). MXene electrodes printed on PET substrates are able to display electrical conductivity values as high as 1080 ± 175 S cm −1 , which significantly exceeds electrical conductivity values of state-of-the-art inkjet-printed electrodes composed of other 2D materials including graphene (250 S cm −1 ) and reduced graphene oxide (340 S cm −1 ). Furthermore, this high electrical conductivity is sustained under excessive bending deformation. These flexible electrodes also exhibit effective EMI SE values reaching 50 dB at films with thicknesses of 1.35 µm, which mainly originate from their high electrical conductivity and layered structure.

Original languageEnglish (US)
Article number1801972
JournalAdvanced Functional Materials
Volume28
Issue number32
DOIs
StatePublished - Aug 8 2018

Fingerprint

electromagnetic shielding
Electromagnetic shielding
titanium carbides
Titanium carbide
printing
stimuli
Printing
proteins
Proteins
Electrodes
electrical resistivity
Polyethylene Terephthalates
electrodes
Graphite
electromagnetic interference
polyethylene terephthalate
inks
Signal interference
Ink
Shielding

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Vural, Mert ; Pena-Francesch, Abdon ; Bars-Pomes, Joan ; Jung, Huihun ; Gudapati, Hemanth ; Hatter, Christine B. ; Allen, Benjamin D. ; Anasori, Babak ; Ozbolat, Ibrahim Tarik ; Gogotsi, Yury ; Demirel, Melik C. / Inkjet Printing of Self-Assembled 2D Titanium Carbide and Protein Electrodes for Stimuli-Responsive Electromagnetic Shielding. In: Advanced Functional Materials. 2018 ; Vol. 28, No. 32.
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Inkjet Printing of Self-Assembled 2D Titanium Carbide and Protein Electrodes for Stimuli-Responsive Electromagnetic Shielding. / Vural, Mert; Pena-Francesch, Abdon; Bars-Pomes, Joan; Jung, Huihun; Gudapati, Hemanth; Hatter, Christine B.; Allen, Benjamin D.; Anasori, Babak; Ozbolat, Ibrahim Tarik; Gogotsi, Yury; Demirel, Melik C.

In: Advanced Functional Materials, Vol. 28, No. 32, 1801972, 08.08.2018.

Research output: Contribution to journalArticle

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AU - Demirel, Melik C.

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