Organic complementary ring oscillators using a functional polymer interfacial layer for highly improved oscillation frequency
| Autor: | Hyeonwoo Shin, Jeongkyun Roh, Changhee Lee, Hyeok Kim, Heebum Roh |
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| Rok vydání: | 2016 |
| Předmět: |
Materials science
Polymers and Plastics 02 engineering and technology Ring (chemistry) 01 natural sciences law.invention chemistry.chemical_compound law 0103 physical sciences Materials Chemistry Methyl methacrylate 010302 applied physics chemistry.chemical_classification Oscillation business.industry Transistor General Chemistry Polymer 021001 nanoscience & nanotechnology Condensed Matter Physics Noise margin chemistry Optoelectronics 0210 nano-technology business Layer (electronics) Voltage |
| Zdroj: | Polymer Bulletin. 73:2531-2537 |
| ISSN: | 1436-2449 0170-0839 |
| DOI: | 10.1007/s00289-016-1681-8 |
| Popis: | We report the improved oscillation frequency of the organic complementary ring oscillators by balancing mobilities of p- and n-type organic field-effect transistors (OFETs) with a functional polymer interfacial layer. By employing poly (methyl methacrylate) (PMMA) as the interfacial layer, the balanced performance of the p- and n-type OFETs was achieved, which resulted in the improved performance of the complementary inverters. With the PMMA interfacial layer, the noise margin was increased from 35 % to 80 % of 1/2 supply voltage, and the maximum gain was 1.5 times higher than the one of the complementary inverter without the interfacial layer. The oscillation frequency of the organic complementary ring oscillators was remarkably improved from 106.7 Hz to 1.4 kHz. The polymer interfacial layer to balance the performance of p- and n-type OFETs is found to be a simple and efficient way to facilitate the operation of the organic complementary ring oscillators. |
| Databáze: | OpenAIRE |
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