Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 4, Issue 42, Pages 16312-16317Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ta05784e
Keywords
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Funding
- National Key Basic Research Program of China [2014CB931801]
- National Natural Science Foundation of China [51472054, 21475029, 91427302]
- Instrument Developing Project of the Chinese Academy of Sciences [YZ201311]
- CAS-CSIRO Cooperative Research Program [GJHZ1503]
- Strategic Priority Research Program of Chinese Academy of Sciences [XDA09040100]
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Covalent organic frameworks (COFs) are a novel class of porous crystalline organic materials assembled from molecular building blocks. Due to their high surface area and ability to precisely control electro-active groups in their pores, COFs have emerged as an ideal candidate for energy storage devices. Here we present a two dimensional (2D) COF with redox active pyridine units that exhibit reversible electrochemical processes. When used as an electrode in supercapacitors, this redox COF shows faradaic behavior and excellent chemical stability even after 6000 charge-discharge cycles. This strategy may shed light on designing new redox active COF based faradaic supercapacitors and other electrochemical devices.
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