Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 133, Issue 26, Pages 10141-10145Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja200492c
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Funding
- Swedish Foundation for Strategic Research (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
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Many biomolecules are charged and may therefore be transported with ionic currents. As a step toward addressable ionic delivery circuits, we report on the development of a npn ion bipolar junction transistor (npn-IBJT) as an active control element of anionic currents in general, and specifically, demonstrate actively modulated delivery of the neurotransmitter glutamic acid. The functional materials of this transistor are ion exchange layers and conjugated polymers. The npn-IBJT shows stable transistor characteristics over extensive time of operation and ion current switch times below 10 s. Our results promise complementary chemical circuits similar to the electronic equivalence, which has proven invaluable in conventional electronic applications.
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