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<p>Hyper-crosslinked microporous polycarbazole was synthesized by polymerizing carbazole with dimethoxymethane as a bridging agent, without using templates. Furthermore, it was directly carbonized by chemical activation using potassium carbonate to enhance the surface area of the porous polymer. The product was then characterized by Fourier-transform infrared spectroscopy, thermogravimetric analysis, scanning electron microscopy, and Brunauer–Emmett–Teller analysis, proving the formation of porous polymers with good surface areas of 230 and 1210 m<sup>2</sup>&#xa0;g<sup>–1</sup>. Applied as an electrode material in a supercapacitor and a dye adsorption study, the carbonized polymer showed good specific capacitance of 215 (F/g) at 0.5 (A/g) and maximum adsorption capacity of 30.58&#xa0;mg/g.</p>

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Carbazole-based porous polymers for utilization in supercapacitors and adsorption of bromothymol blue dye

  • 期刊论文

  • 发表日期：

    2025年5月23日

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  • C. Raju,
  • Reddi Mohan Naidu Kalla,
  • Sunkara Srinivasa Rao,
  • Sreedhar Doraswamy,
  • Sarah A. Alshehri,
  • Jaewoong Lee

摘要

Hyper-crosslinked microporous polycarbazole was synthesized by polymerizing carbazole with dimethoxymethane as a bridging agent, without using templates. Furthermore, it was directly carbonized by chemical activation using potassium carbonate to enhance the surface area of the porous polymer. The product was then characterized by Fourier-transform infrared spectroscopy, thermogravimetric analysis, scanning electron microscopy, and Brunauer–Emmett–Teller analysis, proving the formation of porous polymers with good surface areas of 230 and 1210 m2 g–1. Applied as an electrode material in a supercapacitor and a dye adsorption study, the carbonized polymer showed good specific capacitance of 215 (F/g) at 0.5 (A/g) and maximum adsorption capacity of 30.58 mg/g.