In:
Journal of Polymer Science Part A: Polymer Chemistry, Wiley, Vol. 55, No. 14 ( 2017-06-15), p. 2383-2389
Abstract:
Two new pyrene‐cored covalent organic polymers (COPs), CK‐COP‐1 and CK‐COP‐2 , were synthesized via the one‐step polymerization of two thiophene‐based isomers, 1,3,6,8‐tetra(thiophene‐2‐yl) pyrene ( L 1 ) and 1,3,6,8‐tetra(thiophene‐3‐yl) pyrene ( L 2 ). The resulting pyrene‐cored COPs exhibit rather different surface areas of 54 m 2 g −1 and 615 m 2 g −1 for CK‐COP‐1 and CK‐COP‐2 , respectively. The CO 2 uptake capacities of CK‐COP‐1 and CK‐COP‐2 also show different values of 2.85 and 9.73 wt % at 273 K, respectively. Furthermore, CK‐COP‐2 offers not only a larger CO 2 adsorption capacity but also a better CO 2 /CH 4 selectivity at 273 K compared with CK‐COP‐1 . CK‐COP‐1 and CK‐COP‐2 also exhibit considerable differences in their photophysical property. The different structure and properties of CK‐COPs could be attributed to the isomer effect of their corresponding thiophene‐based monomers. © 2017 Authors. Journal of Polymer Science Part A: Polymer Chemistry Published by Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2017 , 55 , 2383–2389
Type of Medium:
Online Resource
ISSN:
0887-624X
,
1099-0518
Language:
English
Publisher:
Wiley
Publication Date:
2017
detail.hit.zdb_id:
3004641-5
detail.hit.zdb_id:
1473076-5
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