Unveiling the photocatalytic marvels : recent advances in solar heterojunctions for environmental remediation and energy harvesting

N. Askari, M. Jamalzadeh, A. Askari, N. Liu, Bijan Samali, M. Sillanpaa, Leigh Sheppard, H. Li, R. Dewil

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

In the quest for effective solutions to address Environ. Pollut. and meet the escalating energy demands, heterojunction photocatalysts have emerged as a captivating and versatile technology. These photocatalysts have garnered significant interest due to their wide-ranging applications, including wastewater treatment, air purification, CO2 capture, and hydrogen generation via water splitting. This technique harnesses the power of semiconductors, which are activated under light illumination, providing the necessary energy for catalytic reactions. With visible light constituting a substantial portion (46%) of the solar spectrum, the development of visible-light-driven semiconductors has become imperative. Heterojunction photocatalysts offer a promising strategy to overcome the limitations associated with activating semiconductors under visible light. In this comprehensive review, we present the recent advancements in the field of photocatalytic degradation of contaminants across diverse media, as well as the remarkable progress made in renewable energy production. Moreover, we delve into the crucial role played by various operating parameters in influencing the photocatalytic performance of heterojunction systems. Finally, we address emerging challenges and propose novel perspectives to provide valuable insights for future advancements in this dynamic research domain. By unraveling the potential of heterojunction photocatalysts, this review contributes to the broader understanding of their applications and paves the way for exciting avenues of exploration and innovation.
Original languageEnglish
Pages (from-to)283-297
Number of pages15
JournalJournal of Environmental Sciences
Volume148
DOIs
Publication statusPublished - 2025

Bibliographical note

Publisher Copyright:
© 2024

Keywords

  • Energy conversion
  • Environmental depollution
  • Heterojunction photocatalysts
  • Solar photocatalysis
  • Visible-light-driven semiconductors

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