Abstract
n-type organic thin film transistors (OTFTs) with high operational stability was demonstrated. The operational stability of N,N'- ditridecylperylene-3,4,9,10-tetracarboxylic diimide (PTCDI-C13)-based OTFTs was improved by engineering organic semiconductor-gate insulator interface with hydrophobic polymers. Under high gate bias stress (equivalent to the electric field of 3MV/cm) for two hours, OTFTs with hydrophobic polymers showed small threshold voltage shift around 2 V. Moreover, the electron mobility was improved from 0.038 to 0.14-0.15 cm2/Vs with hydrophobic polymers.
| Original language | English |
|---|---|
| Pages (from-to) | 1021-1023 |
| Number of pages | 3 |
| Journal | Digest of Technical Papers - SID International Symposium |
| Volume | 45 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jun 2014 |
Keywords
- n-type OTFT
- operational stability
- organic thin film transistors
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