Silicon nanowires as a pH sensor

Hsu, Jung-Fu; Huang, Bohr–Ran; Chen, Hsin-Li

doi:10.7567/ssdm.2004.p8-1

Extended Abstracts of the 2004 International Conference on Solid State Devices and Materials 2004

DOI: 10.7567/ssdm.2004.p8-1

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Silicon nanowires as a pH sensor

Jung-Fu Hsu¹,

Bohr–Ran Huang²,

Hsin-Li Chen³

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2017

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“…Therefore, the majority of works using EGFET as part of a sensor describes it as a pH-sensor 3,[18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33] . PH monitoring and control, for itself, are quite important.…”

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confidence: 99%

Mechanisms of Ion Detection for FET-Sensors Using FTO: Role of Cleaning Process, pH Sequence and Electrical Resistivity

Nascimento

Mulato

2017

Mat. Res.

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The use of FTO samples as an extended gate field effect transistor biosensor is presented. The FTO samples were produced by spray pyrolysis technique. The cleaning process is shown to have a fundamental importance for the final sensitivity of the samples when multiple re-usage is adopted. The role of electrical resistivity and morphology of the films are investigated. The influence of pH sequence of measurements from 2 to 12 is presented. Both increasing and decreasing the pH values sequence of measurements are compared. Electrical, morphological, time evolution and electrochemical experiments are correlated in the main discussion. A physical-chemical model is presented to explain the main mechanisms of charge adsorption and desorption. Parameters not commonly reported in the literature are proven to have fundamental importance in sensors behavior and characterization.

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mentioning

confidence: 99%

Mechanisms of Ion Detection for FET-Sensors Using FTO: Role of Cleaning Process, pH Sequence and Electrical Resistivity

Nascimento

Mulato

2017

Mat. Res.

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Silicon nanowires as a pH sensor

Cited by 1 publication

References 0 publications

Mechanisms of Ion Detection for FET-Sensors Using FTO: Role of Cleaning Process, pH Sequence and Electrical Resistivity

Mechanisms of Ion Detection for FET-Sensors Using FTO: Role of Cleaning Process, pH Sequence and Electrical Resistivity

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