کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1263861 | 972083 | 2014 | 7 صفحه PDF | دانلود رایگان |
• Pitch based carbon nanosheet (CNS) was fabricated directly on SiO2/Si.
• A conductivity of pitch based CNS is approximately 30,000 S/m.
• Pentacene-based organic thin film transistors (OTFTs) were fabricated on CNS/SiO2/Si without using a transfer process.
• Pitch based CNSs are conductive enough for use as electrodes in OTFT.
We report a synthesis method for carbon nanosheets (CNSs) using pitch prepared by reforming a commercially available naphtha cracking bottom oil, which is often used as a carbon fiber precursor. The pitch solution is spin-coated on a silicon wafer without using a catalyst support. After stabilization and carbonization, the CNSs as thin as 2 nm show an electrical conductivity of approximately 30,000 S/m. Although the CNSs do not have a well-developed graphitic structure, as observed using Raman spectroscopy and transmission electron microscopy, they are conductive enough for use as electrodes in an organic thin film transistor.
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Journal: Organic Electronics - Volume 15, Issue 1, January 2014, Pages 132–138