Capillary Flow Printing of Submicron Carbon Nanotube Transistors
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arXiv
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| Autores principales: | , , , , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866929377016545280 |
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| author | Smith, Brittany N. Albarghouthi, Faris M. Doherty, James L. Pei, Xuancheng Macfarlane, Quentin Salfity, Matthew Badia, Daniel Pascual, Marc Boncenne, Pascal Bigan, Nathan M'Barki, Amin Franklin, Aaron D. |
| author_facet | Smith, Brittany N. Albarghouthi, Faris M. Doherty, James L. Pei, Xuancheng Macfarlane, Quentin Salfity, Matthew Badia, Daniel Pascual, Marc Boncenne, Pascal Bigan, Nathan M'Barki, Amin Franklin, Aaron D. |
| contents | Although printed transistors have a wide range of applications, the limited resolution of printing techniques (10-30 um) has been a barrier to advancement and scaling, particularly down to submicron dimensions. While previous works have shown creative approaches to realizing submicron channel lengths with printing, reliance on chemical processes unique to specific inks or tedious post-processing limit their applicability. Here, we report the use of capillary flow printing (CFP) to repeatably create fully printed submicron carbon nanotube thin-film transistors (CNT-TFTs) without chemical modification or physical manipulation post-printing. The versatility of this printing technique is demonstrated by printing conducting, semiconducting, and insulating inks on several types of substrates (SiO2, Kapton, and paper) and through the fabrication of various TFT device (contacting/gating) architectures. Notably, CFP of these CNT-TFTs yielded on-currents of 1.12 mA/mm when back gated on Si/SiO2, and 490 uA/mm when side gated through ion gel on Kapton, demonstrating the strong transistor performance achievable with CFP. Mechanical bending and sweep rate resilience of devices printed on Kapton show the wide utility of CFP-fabricated devices for flexible applications. This work highlights the ability of CFP as a viable fabrication method for submicron electronics through cleanroom-free printing techniques. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_03602 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Capillary Flow Printing of Submicron Carbon Nanotube Transistors Smith, Brittany N. Albarghouthi, Faris M. Doherty, James L. Pei, Xuancheng Macfarlane, Quentin Salfity, Matthew Badia, Daniel Pascual, Marc Boncenne, Pascal Bigan, Nathan M'Barki, Amin Franklin, Aaron D. Materials Science Mesoscale and Nanoscale Physics Although printed transistors have a wide range of applications, the limited resolution of printing techniques (10-30 um) has been a barrier to advancement and scaling, particularly down to submicron dimensions. While previous works have shown creative approaches to realizing submicron channel lengths with printing, reliance on chemical processes unique to specific inks or tedious post-processing limit their applicability. Here, we report the use of capillary flow printing (CFP) to repeatably create fully printed submicron carbon nanotube thin-film transistors (CNT-TFTs) without chemical modification or physical manipulation post-printing. The versatility of this printing technique is demonstrated by printing conducting, semiconducting, and insulating inks on several types of substrates (SiO2, Kapton, and paper) and through the fabrication of various TFT device (contacting/gating) architectures. Notably, CFP of these CNT-TFTs yielded on-currents of 1.12 mA/mm when back gated on Si/SiO2, and 490 uA/mm when side gated through ion gel on Kapton, demonstrating the strong transistor performance achievable with CFP. Mechanical bending and sweep rate resilience of devices printed on Kapton show the wide utility of CFP-fabricated devices for flexible applications. This work highlights the ability of CFP as a viable fabrication method for submicron electronics through cleanroom-free printing techniques. |
| title | Capillary Flow Printing of Submicron Carbon Nanotube Transistors |
| topic | Materials Science Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2406.03602 |