期刊
APPLIED PHYSICS LETTERS
卷 94, 期 1, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3065480
关键词
biological techniques; biosensors; carbon nanotubes; field effect transistors; microelectrodes; microsensors; semiconductor nanotubes
In this communication, a laminated, flexible, microfluidic-integrated, all CNT based liquid-gated transistor and biosensor are reported that comprises single walled CNTs for both the semiconducting channel as well as the contact electrodes. The proposed architecture eliminates the need for lithography, electrode definition processes, and also circumvents substrate surface compatibility issues. Real-time detection of 1 pM poly-L-lysine in a liquid-gated transistor comprising only two materials, single walled CNTs and polydimethoxysilane substrate with microfluidic channel, is demonstrated.
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