Logic gates based on ion transistors

被引:153
作者
Tybrandt, Klas [1 ]
Forchheimer, Robert [2 ]
Berggren, Magnus [1 ]
机构
[1] Linkoping Univ, Dept Sci & Technol, SE-60174 Norrkoping, Sweden
[2] Linkoping Univ, Dept Elect Engn, Div Informat Coding, SE-58183 Linkoping, Sweden
来源
NATURE COMMUNICATIONS | 2012年 / 3卷
基金
瑞典研究理事会;
关键词
BIPOLAR; MICROCHIP; MEMBRANES; CIRCUITS; RELEASE;
D O I
10.1038/ncomms1869
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Precise control over processing, transport and delivery of ionic and molecular signals is of great importance in numerous fields of life sciences. Integrated circuits based on ion transistors would be one approach to route and dispense complex chemical signal patterns to achieve such control. To date several types of ion transistors have been reported; however, only individual devices have so far been presented and most of them are not functional at physiological salt concentrations. Here we report integrated chemical logic gates based on ion bipolar junction transistors. Inverters and NAND gates of both npn type and complementary type are demonstrated. We find that complementary ion gates have higher gain and lower power consumption, as compared with the single transistor-type gates, which imitates the advantages of complementary logics found in conventional electronics. Ion inverters and NAND gates lay the groundwork for further development of solid-state chemical delivery circuits.
引用
收藏
页数:6
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