標題: Sloped-Gate Voltage Method for Improving Measurement of Poly-Si Nanowire FET in Aqueous Environment
作者: Chen, Chien-Hung
Su, Yi-Jr
Lin, Chih-Heng
Liao, Tai-Shan
Yang, Yuh-Shyong
Hwang, Chi-Hung
生物科技學系
Department of Biological Science and Technology
公開日期: 2-五月-2013
摘要: Nanowire field-effect transistors are suited to. study the activity of biomolecules in bionanotechnology. The changes of biomolecules process are efficiently affected the charge at the nanowire surface; thus, the electrical characterization of NW-FET is Changed. Although NW-FET is a well-known device in bioapplications, however, the intrinsic electrical characterization of NW-FET effect, on real electrical measurement is not well studied. We present herein a novel measurement method to avoid errors in electrical characteristic of nanowire field-effect transistors. A physical model is developed to explore the effect of the leakage current, which is influenced by the charging effect of an equivalent capacitor in a NW-FET. We also present a sloped-gate voltage method to reduce the effect, of equivalent capacitor in air, liquid, and phosphate buffered solution. The application of the sloped gate voltage Method significantly increases the stability of electrical characterization measurements. This method can also be easily applied to biosensing experiments.
URI: http://dx.doi.org/10.1021/jp401259e
http://hdl.handle.net/11536/21884
ISSN: 1932-7447
DOI: 10.1021/jp401259e
期刊: JOURNAL OF PHYSICAL CHEMISTRY C
Volume: 117
Issue: 17
起始頁: 9004
結束頁: 9008
顯示於類別:期刊論文


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