Use of ionic liquids for [pi]-Conjugated polymer electrochemical devices
Lu et al report results for electrochemical mechanical actuators, electrochromic windows, and numeric displays made from three types of pi-conjugated polymers. Experiments were performed under ambient conditions, yet the polymers showed negligible loss in electroactivity.
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Published in | Science (American Association for the Advancement of Science) Vol. 297; no. 5583; pp. 983 - 987 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
Washington
American Association for the Advancement of Science
09.08.2002
The American Association for the Advancement of Science |
Subjects | |
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Abstract | Lu et al report results for electrochemical mechanical actuators, electrochromic windows, and numeric displays made from three types of pi-conjugated polymers. Experiments were performed under ambient conditions, yet the polymers showed negligible loss in electroactivity. |
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AbstractList | Lu et al report results for electrochemical mechanical actuators, electrochromic windows, and numeric displays made from three types of pi-conjugated polymers. Experiments were performed under ambient conditions, yet the polymers showed negligible loss in electroactivity. [pi]-Conjugated polymers that are electrochemically cycled in ionic liquids have enhanced lifetimes without failure (up to 1 million cycles) and fast cycle switching speeds (100 ms). We report results for electrochemical mechanical actuators, electrochromic windows, and numeric displays made from three types of [pi]-conjugated polymers: polyaniline, polypyrrole, and polythiophene. Experiments were performed under ambient conditions, yet the polymers showed negligible loss in electroactivity. These performance advantages were obtained by using environmentally stable, room-temperature ionic liquids composed of 1-butyl-3-methyl imidazolium cations together with anions such as tetrafluoroborate or hexafluorophosphate. |
Audience | Academic |
Author | Fadeev, Andrei G Qi, Baohua Lu, Wen Smela, Elisabeth |
Author_xml | – sequence: 1 givenname: Wen surname: Lu fullname: Lu, Wen – sequence: 2 givenname: Andrei surname: Fadeev middlename: G fullname: Fadeev, Andrei G – sequence: 3 givenname: Baohua surname: Qi fullname: Qi, Baohua – sequence: 4 givenname: Elisabeth surname: Smela fullname: Smela, Elisabeth |
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Copyright | COPYRIGHT 2002 American Association for the
Advancement of Science Copyright American Association for the Advancement of Science Aug 9, 2002 |
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DOI | 10.1126/science.1072651 |
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Snippet | [pi]-Conjugated polymers that are electrochemically cycled in ionic liquids have enhanced lifetimes without failure (up to 1 million cycles) and fast cycle... Lu et al report results for electrochemical mechanical actuators, electrochromic windows, and numeric displays made from three types of pi-conjugated polymers.... |
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SubjectTerms | Chemistry Conducting polymers Electric properties Electrochemical analysis Electrochemistry Ions Polymers |
Title | Use of ionic liquids for [pi]-Conjugated polymer electrochemical devices |
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