Development of an Organic Transistor Resistant to Chemical Solvents
Development of an Organic Transistor Resistant to Chemical Solvents
  • Reporter Lee Sang-hui
  • 승인 2017.05.03 17:11
  • 댓글 0
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As the smart devices are developed, the necessity of developing small sized and flexible semiconductors has arisen. Professor Oh Joon-hak’s research team (CE) with UNIST Professor Yang Chang-duk’s team collaborated on making a large-area chemical sensor, by developing a chemical solvent-resistant polymer semiconductor. The photolithography process, which carves circuits along the shape of shadows made by light passing through frame, is applied to the Organic Transistor Resistant to Chemical Solvents (OFET).
This OFET is highly resistant to the chemical environment, and preserves its electrical performance in some organic solvents like water, ethanol, and acetone. Also, the polymer semiconductor film does not melt after heat treatment, and electron mobility has improved to 50 times greater than gold electrode by attaching a Graphene electrode.
The team's result is expected to promote the commercialization by being applied directly to existing processes and reducing production time and cost while maintaining benefits of the polymer semiconductor. The research was reported in the journal Advanced Materials as a front cover paper.




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