In-situ synthesis of carbon nanotube-graphite electronic devices and their integrations onto surfaces of live plants and insects.
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Nano letters, ISSN: 1530-6992, Vol: 14, Issue: 5, Page: 2647-54
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- Chemical Engineering; Chemistry; Materials Science; Physics and Astronomy; Engineering; Flexible electronics; wearable electronics; nanobio interfaces; nano electronics; all-carbon electronics
Here we report an unconventional approach for the single-step synthesis of monolithically integrated electronic devices based on multidimensional carbon structures. Integrated arrays of field-effect transistors and sensors composed of carbon nanotube channels and graphitic electrodes and interconnects were formed directly from the synthesis. These fully integrated, all-carbon devices are highly flexible and can be transferred onto both planar and nonplanar substrates, including papers, clothes, and fingernails. Furthermore, the sensor network can be interfaced with inherent life forms in nature for monitoring environmental conditions. Examples of significant applications are the integration of the devices to live plants or insects for real-time, wireless sensing of toxic gases.