Logic gates based on ion transistors
2012 (English)In: Nature Communications, ISSN 2041-1723, Vol. 3, no 871Article in journal (Refereed) Published
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.
Place, publisher, year, edition, pages
Nature Publishing Group , 2012. Vol. 3, no 871
National CategoryEngineering and Technology
IdentifiersURN: urn:nbn:se:liu:diva-78819DOI: 10.1038/ncomms1869ISI: 000304611400066OAI: oai:DiVA.org:liu-78819DiVA: diva2:536033
Funding Agencies|Swedish Foundation for Strategic Research||VINNOVA (OBOE - Strategic Research Center for Organic Bioelectronics)||Knut and Alice Wallenberg Foundation||Royal Swedish Academy of Science||Swedish Research Council|621-2008-2642|Onnesjo Foundation||2012-06-212012-06-212015-05-06