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Printable and recyclable carbon nanotube electronics with degradable soybean oil-based polycationic substrate as gate dielectrics

Authors
Vu, Thi Q.Han, J.Park, J.Kim, S.-S.Jeon, D.-Y.Joo, Y.
Issue Date
Aug-2023
Publisher
Elsevier Ltd
Keywords
Degradable electronic substrate; Green technology; Ion-gated transistor; Soybean oil
Citation
Carbon, v.212
Indexed
SCIE
SCOPUS
Journal Title
Carbon
Volume
212
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/68712
DOI
10.1016/j.carbon.2023.118089
ISSN
0008-6223
1873-3891
Abstract
The global concern of electronic waste (e-waste) relevant to the negative impact on the environment and ecological systems have been attracted extensive attention to the imminent solution to the development of sustainable electronic devices. To deal with that, we propose renewable soybean oil to produce thermoset films, serving them as flexible green substrates for the ion-gated transistor (IGT). The effective adjustment of dielectric property and flexibility by controlling the amount of ionic moieties source gifted the thermoset with an excellent sensitivity of 8.75 × 10−3 kPa−1 while the detection limitations up to 20 kPa. Furthermore, the all-carbon-component IGT based on soybean substrate also realized with the best electrical performance of Ion/width of 0.52 μA/mm, and >250 of an on/off ratio and 2.6 μA of on-current at a low voltage operation of VDS = −0.5 V. The soybean oil-based substrate showed fast decomposition in a mildly basic solution, with the graphene electrode recapture efficiency being higher than 95% for the remaking of new transistors. The excellent working performance in both manners of the touch sensor and the field effect transistor accompanied by the highly green fabrication technology clues the high potential in the next-generation electronics that require a significant level of sustainability. © 2023 Elsevier Ltd
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