WFRF:(Zhou Binbin)
Sökning: WFRF:(Zhou Binbin) > High mobility graph...
- Khan, Munis,1991Chalmers tekniska högskola,Chalmers University of Technology (författare)
High mobility graphene field effect transistors on flexible EVA/PET foils
- Artikel/kapitelEngelska2024
Förlag, utgivningsår, omfång ...
- 2024
- electronicrdacarrier
Nummerbeteckningar
- LIBRIS-ID:oai:research.chalmers.se:5f54e224-28b1-42fe-b5fa-3ee1001c43d2
- https://research.chalmers.se/publication/541262URI
- https://doi.org/10.1088/2053-1583/ad4b36DOI
Kompletterande språkuppgifter
- Språk:engelska
- Sammanfattning på:engelska
Ingår i deldatabas
- SwePubSwePub
Klassifikation
Anmärkningar
- Monolayer graphene is a promising material for a wide range of applications, including sensors, optoelectronics, antennas, EMR shielding, flexible electronics, and conducting electrodes. Chemical vapor deposition (CVD) of carbon atoms on a metal catalyst is the most scalable and cost-efficient method for synthesizing high-quality, large-area monolayer graphene. The usual method of transferring the CVD graphene from the catalyst to a target substrate involves a polymer carrier which is dissolved after the transfer process is completed. Due to often unavoidable damage to graphene, as well as contamination and residues, carrier mobilities are typically 1000–3000 cm2(Vs)−1, unless complex and elaborate measures are taken. Here, we report on a simple scalable fabrication method for flexible graphene field-effect transistors that eliminates the polymer interim carrier, by laminating the graphene directly onto office lamination foils, removing the catalyst, and depositing Parylene N as a gate dielectric and encapsulation layer. The fabricated transistors show field- and Hall-effect mobilities of 7000–10 000 cm2(Vs)−1 with a residual charge-carrier density of 2×1011 1 cm−2 at room temperature. We further validate the material quality by terahertz time-domain spectroscopy and observation of the quantum Hall effect at low temperatures in a moderate magnetic field of ∼5 T. The Parylene encapsulation provides long-term stability and protection against additional lithography steps, enabling vertical device integration in multilayer electronics on a flexible platform.
Ämnesord och genrebeteckningar
- NATURVETENSKAP Fysik Den kondenserade materiens fysik hsv//swe
- NATURAL SCIENCES Physical Sciences Condensed Matter Physics hsv//eng
- flexible substrates
- CVD
- field-effect transistor
- graphene
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Ji, JieDanmarks Tekniske Universitet,Technical University of Denmark (författare)
- Zhou, BinbinDanmarks Tekniske Universitet,Technical University of Denmark (författare)
- Jepsen, Peter U.Danmarks Tekniske Universitet,Technical University of Denmark (författare)
- Boggild, PeterDanmarks Tekniske Universitet,Technical University of Denmark (författare)
- Yurgens, Avgust,1959Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)yurgens (författare)
- Chalmers tekniska högskolaDanmarks Tekniske Universitet (creator_code:org_t)
Sammanhörande titlar
- Ingår i:2D Materials11:32053-1583
Internetlänk
Hitta mer i SwePub
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- Khan, Munis, 199 ...
- Ji, Jie
- Zhou, Binbin
- Jepsen, Peter U.
- Boggild, Peter
- Yurgens, Avgust, ...
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