Photoirradiation-enhanced behavior via morphological manipulation of CoFeO/g-CN heterojunction for supercapacitor and CO reduction.

J Colloid Interface Sci

College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, PR China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 210009, PR China. Electronic address:

Published: February 2025

AI Article Synopsis

  • - The study explores the use of CoFeO/g-CN heterojunctions in improving photocatalytic energy storage and CO reduction, with different configurations showing varying benefits for energy applications.
  • - CFO/CNT demonstrated superior charge transfer abilities and highest specific capacitance without light, while CFO/CNS showed a notable increase in performance under light conditions.
  • - Overall, using these heterojunctions enhances electron transfer and redox reactions, offering innovative approaches for energy conversion and storage technologies.

Article Abstract

Regulating the morphology of graphitic carbon nitride (g-CN, CN) and constructing CoFeO/g-CN (CFO/CN) heterojunctions were adopted in the photocatalytic energy storage and photocatalytic CO reduction (PCR). CFO/CNS had outstanding light response ability, while CFO/CNT possessed excellent charge transfer ability. Consequently, CFO/CNT electrode exhibited the highest specific capacitance without light, CFO/CNS electrode showed the most obvious photo-enhanced capacitance behavior with an increase by 21.05 % under light. This was ascribed to the generation and separation of photo-generated carriers, promoting oxidation/reduction reactions. And in PCR, the electron consumption rates of four CFO/CN heterojunctions were CFO/CNT > CFO/BCN > CFO/MCN > CFO/CNS. CFO/CNT presented the highest photocatalytic activity, attributing to the strong redox ability and photo-enhanced electron transfer. This strategy of utilizing CFO/CN heterojunctions to construct photo-enhanced supercapacitor electrodes and photocatalytic CO reduction catalysts provided new ideas for energy conversion and storage.

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http://dx.doi.org/10.1016/j.jcis.2024.09.211DOI Listing

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Photoirradiation-enhanced behavior via morphological manipulation of CoFeO/g-CN heterojunction for supercapacitor and CO reduction.

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College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, PR China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 210009, PR China. Electronic address:

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  • - The study explores the use of CoFeO/g-CN heterojunctions in improving photocatalytic energy storage and CO reduction, with different configurations showing varying benefits for energy applications.
  • - CFO/CNT demonstrated superior charge transfer abilities and highest specific capacitance without light, while CFO/CNS showed a notable increase in performance under light conditions.
  • - Overall, using these heterojunctions enhances electron transfer and redox reactions, offering innovative approaches for energy conversion and storage technologies.
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