Iron-based photocatalytic and photoelectrocatalytic nano-structures: Facts, perspectives, and expectations

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Yamen AlSalka
  • Luis Ignacio Granone
  • Wegdan Ramadan
  • Amer Hakki
  • Ralf Dillert
  • Detlef Bahnemann

External Research Organisations

  • Alexandria University
  • University of Aberdeen
  • Saint Petersburg State University
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Details

Original languageEnglish
Pages (from-to)1065-1095
Number of pages31
JournalApplied Catalysis B: Environmental
Volume244
Early online date5 Dec 2018
Publication statusPublished - 5 May 2019

Abstract

The increasing demand for clean renewable energy needed for sustainable industrial progress and population growth is the driving force for the scientific community to achieve a continuous development in the field of photocatalysis and photoelectrochemistry. Nanostructures and nanomaterials have contributed significantly to the field of renewable energy due to their new physicochemical properties. Iron-based nanostructures have considerable advantages like small band gaps, allowing to harvest photons in the visible region of the solar spectrum, abundance, and important physical properties like magnetism and ferroelectricity. But they also have many shortcomings and drawbacks related to stability in the different photocatalytic media, low surface area, conductivity, and fast charge carrier recombination. In this review, the focus is placed on important members of the iron-based photocatalyst family such as, hematite, iron oxy-hydroxide, iron-based perovskites, and spinel ferrites. Also, iron doped titanium dioxide as visible light photocatalysts is covered. Various strategies employed for enhancing the photocatalytic and photoelectrocatalytic performance are discussed. Doping, oxygen vacancies, induced defects and formation of solid solutions seem to be a working strategy to address some of the challenges in photocatalysis and photoelectrocatalysis. Finally, photocatalytic and photoelectrocatalytic applications employing iron-based semiconductors are presented.

Keywords

    Ferrites, Iron-based, Nanostructures, Perovskites, Photocatalysis, Photoelectrocatalysis

ASJC Scopus subject areas

Sustainable Development Goals

Cite this

Iron-based photocatalytic and photoelectrocatalytic nano-structures: Facts, perspectives, and expectations. / AlSalka, Yamen; Granone, Luis Ignacio; Ramadan, Wegdan et al.
In: Applied Catalysis B: Environmental, Vol. 244, 05.05.2019, p. 1065-1095.

Research output: Contribution to journalArticleResearchpeer review

AlSalka Y, Granone LI, Ramadan W, Hakki A, Dillert R, Bahnemann D. Iron-based photocatalytic and photoelectrocatalytic nano-structures: Facts, perspectives, and expectations. Applied Catalysis B: Environmental. 2019 May 5;244:1065-1095. Epub 2018 Dec 5. doi: 10.1016/j.apcatb.2018.12.014
AlSalka, Yamen ; Granone, Luis Ignacio ; Ramadan, Wegdan et al. / Iron-based photocatalytic and photoelectrocatalytic nano-structures : Facts, perspectives, and expectations. In: Applied Catalysis B: Environmental. 2019 ; Vol. 244. pp. 1065-1095.
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abstract = "The increasing demand for clean renewable energy needed for sustainable industrial progress and population growth is the driving force for the scientific community to achieve a continuous development in the field of photocatalysis and photoelectrochemistry. Nanostructures and nanomaterials have contributed significantly to the field of renewable energy due to their new physicochemical properties. Iron-based nanostructures have considerable advantages like small band gaps, allowing to harvest photons in the visible region of the solar spectrum, abundance, and important physical properties like magnetism and ferroelectricity. But they also have many shortcomings and drawbacks related to stability in the different photocatalytic media, low surface area, conductivity, and fast charge carrier recombination. In this review, the focus is placed on important members of the iron-based photocatalyst family such as, hematite, iron oxy-hydroxide, iron-based perovskites, and spinel ferrites. Also, iron doped titanium dioxide as visible light photocatalysts is covered. Various strategies employed for enhancing the photocatalytic and photoelectrocatalytic performance are discussed. Doping, oxygen vacancies, induced defects and formation of solid solutions seem to be a working strategy to address some of the challenges in photocatalysis and photoelectrocatalysis. Finally, photocatalytic and photoelectrocatalytic applications employing iron-based semiconductors are presented.",
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AU - AlSalka, Yamen

AU - Granone, Luis Ignacio

AU - Ramadan, Wegdan

AU - Hakki, Amer

AU - Dillert, Ralf

AU - Bahnemann, Detlef

N1 - Funding information: Yamen AlSalka would like to acknowledge the support from the program 57169181 granted by the Deutscher Akademischer Austauschdienst (DAAD) and the Federal Foreign Office. Wegdan Ramadan is thankful to the Alexander von Humboldt foundation for the financial support. Financial support by the Korean Government (MSIP) through the NRF under the Global Research Laboratory program (2014K1A1A2041044), the Deutsche Forschungsgemeinschaft under the program SPP 1613 (BA 1137/22-1), and the Niedersächsische Ministerium für Wissenschaft und Kultur (NTH-research group “ElektroBak”) is gratefully acknowledged. Yamen AlSalka would like to acknowledge the support from the program 57169181 granted by the Deutscher Akademischer Austauschdienst (DAAD) and the Federal Foreign Office. Wegdan Ramadan is thankful to the Alexander von Humboldt foundation for the financial support. Financial support by the Korean Government (MSIP) through the NRF under the Global Research Laboratory program ( 2014K1A1A2041044 ), the Deutsche Forschungsgemeinschaft under the program SPP 1613 (BA 1137/22-1), and the Niedersächsische Ministerium für Wissenschaft und Kultur (NTH-research group “ElektroBak”) is gratefully acknowledged.

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