A systematic review on Nb2O5-based photocatalysts: Crystallography, synthetic methods, design strategies, and photocatalytic mechanisms

Irshad Ahmad, Ayman Al-Qattan, Muhammad Zaheer Iqbal, Alkhouri Anas, Mohammad Ahmad Khasawneh, Ahmad J. Obaidullah, Ahmed Mahal, Meitao Duan, Wail Al Zoubi, Yazeed Yasin Ghadi, Nabil Al-Zaqri, Changlei Xia

Research output: Contribution to journalReview articlepeer-review

Abstract

With the increasing popularity of photocatalytic technology and the highly growing issues of energy scarcity and environmental pollution, there is an increasing interest in extremely efficient photocatalytic systems. The widespread immense attention and applicability of Nb2O5 photocatalysts can be attributed to their multiple benefits, including strong redox potentials, non-toxicity, earth abundance, corrosion resistance, and efficient thermal and chemical stability. However, the large-scale application of Nb2O5 is currently impeded by the barriers of rapid recombination loss of photo-activated electron/hole pairs and the inadequacy of visible light absorption. To overcome these constraints, plentiful design strategies have been directed at modulating the morphology, electronic band structure, and optical properties of Nb2O5. The current review offers an extensive analysis of Nb2O5-based photocatalysts, with a particular emphasis on crystallography, synthetic methods, design strategies, and photocatalytic mechanisms. Finally, an outline of future research directions and challenges in developing Nb2O5-based materials with excellent photocatalytic performance is presented.

Original languageEnglish
Article number103093
JournalAdvances in Colloid and Interface Science
Volume324
DOIs
Publication statusPublished - Feb 2024

Keywords

  • Design strategies
  • NbO
  • Photocatalyst
  • Photocatalytic mechanisms
  • Synthetic methods

ASJC Scopus subject areas

  • Surfaces and Interfaces
  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

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