System and method for anti-ambipolar heterojunctions from solution-processed semiconductors
US9929725B2 · kind B2 · utility
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Key dates
| Filing date | Dec 28, 2015 |
| Grant date | Mar 27, 2018 |
| Priority date | — |
| Expiry date | Dec 28, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/00
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Van der Waals heterojunctions are extended to semiconducting p-type single-walled carbon nanotube (s-SWCNT) and n-type film that can be solution-processed with high spatial uniformity at the wafer scale. The resulting large-area, low-voltage p-n heterojunctions can exhibit anti-ambipolar transfer characteristics with high on/off ratios. The charge transport can be efficiently utilized in analog circuits such as frequency doublers and keying circuits that are widely used, for example, in telecommunication and wireless data transmission technologies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.