Modelling and characterization of novel reference-less semiconductor ion sensor for pH sensing

被引：3

作者：

Zeng, Ruixue ^{[1
]}

Zhang, Junkai ^{[1
]}

Yang, Hui ^{[1
]}

Sun, Cuiling ^{[1
]}

Xu, Ming ^{[1
]}

Zhang, Shi-Li ^{[2
]}

Wu, Dongping ^{[1
]}

机构：

[1] Fudan Univ, Sch Microelect, State Key Lab ASIC & Syst, Shanghai 200433, Peoples R China

[2] Uppsala Univ, Angstrom Lab, Solid State Elect, S-75121 Uppsala, Sweden

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2019年 / 281卷

基金：

瑞典研究理事会; 中国国家自然科学基金;

关键词：

Reference-less semiconductor ion sensor (RELESIS); Extended gate; SPICE macromodel of the RELESIS; Potential of the bulk solution; pH response; Parasitic effects;

D O I：

10.1016/j.snb.2018.07.175

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A SPICE macromodel is developed for a novel reference-less semiconductor ion sensor (RELESIS), which has been proposed to eliminate the use of reference electrode in the field effect based sensor detection. The working principle of the RELESIS, previously validated by a prototype device via pH sensing, is featured by non-constant bulk solution potential, which distincts itself from any conventional ion sensitive field effect transistor. Simulations are performed here using the macromodel and the results fit well with the experimental data. The proposed SPICE macromodel can be used to predict the behavior of the RELESIS and carry out performance optimizations for the RELESIS to be used in various applications.

引用

页码：60 / 71

页数：12