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Title: N-type organic electrochemical transistors with stability in water

Organic electrochemical transistors (OECTs) are receiving significant attention due to their ability to efficiently transduce biological signals. A major limitation of this technology is that only p-type materials have been reported, which precludes the development of complementary circuits, and limits sensor technologies. Here, we report the first ever n-type OECT, with relatively balanced ambipolar charge transport characteristics based on a polymer that supports both hole and electron transport along its backbone when doped through an aqueous electrolyte and in the presence of oxygen. This new semiconducting polymer is designed specifically to facilitate ion transport and promote electrochemical doping. Stability measurements in water show no degradation when tested for 2 h under continuous cycling. Furthermore, this demonstration opens the possibility to develop complementary circuits based on OECTs and to improve the sophistication of bioelectronic devices.
Authors:
 [1] ;  [2] ;  [1] ;  [3] ;  [3] ;  [4] ;  [5] ;  [4] ;  [3] ;  [6] ;  [7]
  1. Imperial College, London (United Kingdom)
  2. Imperial College, London (United Kingdom); Queen Mary Univ. of London, London (United Kingdom)
  3. Ecole Nationale Superieure des Mines, Gardanne (France)
  4. King Abdullah Univ. of Science and Technology, Thuwal (Saudi Arabia)
  5. Stanford Univ., Stanford, CA (United States)
  6. Ecole Nationale Superieure des Mines, Gardanne (France); Palo Alto Research Center, Palo Alto, CA (United States)
  7. Imperial College, London (United Kingdom); King Abdullah Univ. of Science and Technology, Thuwal (Saudi Arabia)
Publication Date:
Grant/Contract Number:
AC02-76SF00515
Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 7; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Research Org:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; electrochemistry; electronic devices
OSTI Identifier:
1348869

Giovannitti, Alexander, Nielsen, Christian B., Sbircea, Dan -Tiberiu, Inal, Sahika, Donahue, Mary, Niazi, Muhammad R., Hanifi, David A., Amassian, Aram, Malliaras, George G., Rivnay, Jonathan, and McCulloch, Iain. N-type organic electrochemical transistors with stability in water. United States: N. p., Web. doi:10.1038/ncomms13066.
Giovannitti, Alexander, Nielsen, Christian B., Sbircea, Dan -Tiberiu, Inal, Sahika, Donahue, Mary, Niazi, Muhammad R., Hanifi, David A., Amassian, Aram, Malliaras, George G., Rivnay, Jonathan, & McCulloch, Iain. N-type organic electrochemical transistors with stability in water. United States. doi:10.1038/ncomms13066.
Giovannitti, Alexander, Nielsen, Christian B., Sbircea, Dan -Tiberiu, Inal, Sahika, Donahue, Mary, Niazi, Muhammad R., Hanifi, David A., Amassian, Aram, Malliaras, George G., Rivnay, Jonathan, and McCulloch, Iain. 2016. "N-type organic electrochemical transistors with stability in water". United States. doi:10.1038/ncomms13066. https://www.osti.gov/servlets/purl/1348869.
@article{osti_1348869,
title = {N-type organic electrochemical transistors with stability in water},
author = {Giovannitti, Alexander and Nielsen, Christian B. and Sbircea, Dan -Tiberiu and Inal, Sahika and Donahue, Mary and Niazi, Muhammad R. and Hanifi, David A. and Amassian, Aram and Malliaras, George G. and Rivnay, Jonathan and McCulloch, Iain},
abstractNote = {Organic electrochemical transistors (OECTs) are receiving significant attention due to their ability to efficiently transduce biological signals. A major limitation of this technology is that only p-type materials have been reported, which precludes the development of complementary circuits, and limits sensor technologies. Here, we report the first ever n-type OECT, with relatively balanced ambipolar charge transport characteristics based on a polymer that supports both hole and electron transport along its backbone when doped through an aqueous electrolyte and in the presence of oxygen. This new semiconducting polymer is designed specifically to facilitate ion transport and promote electrochemical doping. Stability measurements in water show no degradation when tested for 2 h under continuous cycling. Furthermore, this demonstration opens the possibility to develop complementary circuits based on OECTs and to improve the sophistication of bioelectronic devices.},
doi = {10.1038/ncomms13066},
journal = {Nature Communications},
number = ,
volume = 7,
place = {United States},
year = {2016},
month = {10}
}

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