Disulfonated polyarylene ether sulfone membrane for graphitic carbon nitride/zinc oxide based photo-supercapacitors

Altaf, Cigdem Tuc and Colak, Tuluhan Olcayto and Erdem, Emre and Unal, Ugur and Bakan Mısırlıoğlu, Feray and Condorelli, Guglielmo Guido and Sankir, Nurdan Demirci and Sankir, Mehmet (2023) Disulfonated polyarylene ether sulfone membrane for graphitic carbon nitride/zinc oxide based photo-supercapacitors. Electrochimica Acta, 456 . ISSN 0013-4686

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Photo-supercapacitors (PSCs) are environmentally friendly devices that directly convert and store solar energy into electricity and have a high potential to eliminate the need for grid electricity for a sustainable future. In this study, lithiated (Li+) biphenol-based disulfonated poly (arylene ether sulfone) random copolymer (BPS) membrane has been successfully integrated into graphitic carbon nitride/zinc oxide nanowire composite-based PSC to increase the efficiency and to offer simpler and more cost-effective designs. It has been observed that after UV illumination specific capacitance (Cp) and energy density (Ed) increased 2.8 and 2.7-fold, respectively, indicating that the PSC with BPS-Li+performs approximately 3 times better under illumination than dark conditions. Furthermore, at elevated temperatures and 100% relative humidity Cp and Ed of the PSC increased to 23.61 Fg−1 and 47.22 Whkg−1 at 85 °C, respectively. This enhancement can be linked to the temperature-boosted ionic conductivity of the membrane.
Item Type: Article
Uncontrolled Keywords: Disulfonated poly (arylene ether sulfone); Graphitic carbon nitride; Photo-supercapacitor; Zinc oxide
Divisions: Faculty of Engineering and Natural Sciences > Academic programs > Materials Science & Eng.
Faculty of Engineering and Natural Sciences
Sabancı University Nanotechnology Research and Application Center
Depositing User: Emre Erdem
Date Deposited: 05 Aug 2023 15:58
Last Modified: 05 Aug 2023 15:58
URI: https://research.sabanciuniv.edu/id/eprint/47211

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