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Proceedings Article

Paper transistor made with regenerated cellulose and covalently bonded single-walled carbon nanotubes

[+] Author Affiliations
Sungryul Yun, Hyun-U Ko, Jaehwan Kim

Inha Univ. (Korea, Republic of)

Joo-Hyung Kim, Byung-Wook Lim

Chosun Univ. (Korea, Republic of)

Proc. SPIE 7980, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2011, 79800G (April 13, 2011); doi:10.1117/12.881478
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From Conference Volume 7980

  • Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2011
  • Vijay K. Varadan
  • San Diego, California, USA | March 06, 2011

abstract

We report a flexible paper transistor made with regenerated cellulose and covalently bonded single-walled carbon nanotubes. Functionalized single-walled carbon nanotubes (SWNTs) are reacted with N, N-Carbonyldiimidazoles to obtain SWNTs-imidazolides. SWNTs can be covalently bonded to cellulose by acylation of cellulose with SWNTsimidazolides. Using the product, SWNTs covalently bonded cellulose (S/C) composite paper is fabricated and it is mechanically stretched to align SWNTs with cellulose chains. Finally, inter-digital comb shaped source and drain electrode and bottom gate electrode is formed on the paper via lift-off process. Aligned SWNTs can contribute to establishing stable electron channel paths in the cellulose layer. The alignment of SWNTs can be key a role in improving characteristics of the paper transistor. The characteristics of the paper transistor are evaluated by measuring mobility, onoff ratio depending on the alignment of SWNTs in S/C composite paper transistors.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Sungryul Yun ; Hyun-U Ko ; Joo-Hyung Kim ; Byung-Wook Lim and Jaehwan Kim
"Paper transistor made with regenerated cellulose and covalently bonded single-walled carbon nanotubes", Proc. SPIE 7980, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2011, 79800G (April 13, 2011); doi:10.1117/12.881478; http://dx.doi.org/10.1117/12.881478


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