Biodegradable Junctionless Transistors With Extremely Simple Structure

Biodegradable junctionless transistors with extremely simple structure are fabricated at room temperature. The free-standing sodium alginate membrane is used as both a substrate and a dielectric layer for the transistors. The source/drain electrodes and the channel region are made of one single patt...

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Bibliographic Details
Published in:IEEE electron device letters 2015-09, Vol.36 (9), p.908-910
Main Authors: Guo, Jie, Liu, Jingquan, Yang, Bin, Zhan, Guanghui, Tang, Longjun, Tian, Hongchang, Kang, Xiaoyang, Peng, Huiling, Chen, Xiang, Yang, Chunsheng
Format: Article
Language:English
Subjects:
Arrays
biodegradable transistors
Biomembranes
free-standing sodium alginate membrane
Junctionless transistors
Logic gates
Substrates
Transistors
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Summary:Biodegradable junctionless transistors with extremely simple structure are fabricated at room temperature. The free-standing sodium alginate membrane is used as both a substrate and a dielectric layer for the transistors. The source/drain electrodes and the channel region are made of one single patterned Al:ZnO (AZO) thin film. The proposed transistors can be operated at a low voltage of 1 V. Dissolution tests of those transistors in deionized water demonstrate their completely physical transience within 60 min. The operation mode of such transistors can effectively be tuned from the depletion mode to the enhancement mode by varying the thickness of the AZO film. Moreover, a resistor-loaded invertor was demonstrated by connecting those transistors in series with a 3 MΩ resistor.
ISSN:0741-3106
1558-0563
DOI:10.1109/LED.2015.2451672