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Synthetic control of the pore dimension and surface area in conjugated microporous polymer and copolymer networks

Research output: Contribution to Journal/MagazineJournal articlepeer-review

  • Jia-Xing Jiang
  • Fabing Su
  • Abbie Trewin
  • Colin D. Wood
  • Hongjun Niu
  • James T. A. Jones
  • Yaroslav Z. Khimyak
  • Andrew I. Cooper
<mark>Journal publication date</mark>18/06/2008
<mark>Journal</mark>Journal of the American Chemical Society
Issue number24
Number of pages11
Pages (from-to)7710-7720
Publication StatusPublished
<mark>Original language</mark>English


A series of rigid microporous poly(aryleneethynylene) (PAE) networks was synthesized by Sonogashira-Hagihara coupling chemistry. PAEs with apparent Brunauer-Emmet-Teller surface areas of more than 1000 m(2)/g were produced. The materials were found to have very good chemical and thermal stability and retention of microporosity under a variety of conditions. It was shown that physical properties such as micropore size, surface area, and hydrogen uptake could be controlled in a "quantized" fashion by varying the monomer strut length, as for metal-organic and covalent organic frameworks, even though the networks were amorphous in nature. For the first time, it was demonstrated that these properties can also be fine-tuned in a continuous manner via statistical copolymerization of monomer struts with differing lengths. This provides an unprecedented degree of direct synthetic control over micropore properties in an organic network.