Jump to main content
Jump to site search
PLANNED MAINTENANCE Close the message box

Scheduled maintenance work on Wednesday 27th March 2019 from 11:00 AM to 1:00 PM (GMT).

During this time our website performance may be temporarily affected. We apologise for any inconvenience this might cause and thank you for your patience.


Issue 7, 2019
Previous Article Next Article

Two-dimensional extended π-conjugated triphenylene-core covalent organic polymer

Author affiliations

Abstract

Carbon-rich two-dimensional (2D) materials show significant potential in energy storage and conversion applications. A conjugated 2D covalent organic polymer (COP) with embedded triphenylene (TP) units was synthesized by Glaser–Hay cross-coupling and validated by Raman, IR, XPS and NMR spectroscopy. TP-COP exhibited a uniform pore size of 5.4 Å and laminar structure with an interlayer spacing of 3.8 Å, which could be mechanically exfoliated to yield few-layered nanosheets. Interfacial polymerization produced the continuous TP-COP films from quasi-monolayer to multilayer. As the anode materials of lithium batteries, TP-COP delivered large reversible capacity up to 1624 mA h g−1, high charge rate, and good recycling ability. These properties are likely due to the presence of lithium ions in both the interspace of the expanded sp2 moieties and the in-plane nanopores of TP-COP.

Graphical abstract: Two-dimensional extended π-conjugated triphenylene-core covalent organic polymer

Back to tab navigation

Supplementary files

Publication details

The article was received on 02 Nov 2018, accepted on 18 Dec 2018 and first published on 19 Dec 2018


Article type: Paper
DOI: 10.1039/C8TA10554E
Citation: J. Mater. Chem. A, 2019,7, 3066-3071

  •   Request permissions

    Two-dimensional extended π-conjugated triphenylene-core covalent organic polymer

    X. Ye, Y. Huang, X. Tang, J. Xu, C. Peng and Y. Tan, J. Mater. Chem. A, 2019, 7, 3066
    DOI: 10.1039/C8TA10554E

Search articles by author

Spotlight

Advertisements