Cu2O is a promising low-cost semiconductor exhibiting a narrow band gap. The combination of p-type Cu2O with n-type TiO2 results in a p-n heterojunction highly beneficial to photocatalytic processes, due to the resulting capability of (i) absorbing visible light irradiation and (ii) promoting charge carrier separation. An intense scientific activity has been recorded in the field of H2 generation through water photosplitting and organic photoreforming over Cu2O/TiO2-based composites. This literature survey aims at clarifying conflicting information on the preparation, characterization, and use of Cu2O/TiO2 composites for H2 evolution. Detailed information on analytical techniques devoted to uniquely identifying Cu2O has been provided. Preparation method, effect of pH, effect of sacrificial agent, chemical stability of Cu2O/TiO2 composites, and reaction mechanisms have been critically discussed. The highest efficiency values obtained over Cu2O/TiO2 photocatalysts have been reported. A solid groundwork on which developing new effective and low-cost materials for H2 generation has been provided.

Hydrogen production through photoreforming processes over Cu2O/TiO2 composite materials: A mini-review / Muscetta, Marica; Andreozzi, Roberto; Clarizia, Laura; DI SOMMA, Ilaria; Marotta, Raffaele. - In: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. - ISSN 1879-3487. - 45:53(2020), pp. 28531-28552. [10.1016/j.ijhydene.2020.07.225]

Hydrogen production through photoreforming processes over Cu2O/TiO2 composite materials: A mini-review

Muscetta Marica
Primo
Membro del Collaboration Group
;
Andreozzi Roberto
Membro del Collaboration Group
;
Clarizia Laura
Membro del Collaboration Group
;
Di Somma Ilaria
Membro del Collaboration Group
;
Marotta Raffaele
2020

Abstract

Cu2O is a promising low-cost semiconductor exhibiting a narrow band gap. The combination of p-type Cu2O with n-type TiO2 results in a p-n heterojunction highly beneficial to photocatalytic processes, due to the resulting capability of (i) absorbing visible light irradiation and (ii) promoting charge carrier separation. An intense scientific activity has been recorded in the field of H2 generation through water photosplitting and organic photoreforming over Cu2O/TiO2-based composites. This literature survey aims at clarifying conflicting information on the preparation, characterization, and use of Cu2O/TiO2 composites for H2 evolution. Detailed information on analytical techniques devoted to uniquely identifying Cu2O has been provided. Preparation method, effect of pH, effect of sacrificial agent, chemical stability of Cu2O/TiO2 composites, and reaction mechanisms have been critically discussed. The highest efficiency values obtained over Cu2O/TiO2 photocatalysts have been reported. A solid groundwork on which developing new effective and low-cost materials for H2 generation has been provided.
2020
Hydrogen production through photoreforming processes over Cu2O/TiO2 composite materials: A mini-review / Muscetta, Marica; Andreozzi, Roberto; Clarizia, Laura; DI SOMMA, Ilaria; Marotta, Raffaele. - In: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. - ISSN 1879-3487. - 45:53(2020), pp. 28531-28552. [10.1016/j.ijhydene.2020.07.225]
File in questo prodotto:
File Dimensione Formato  
1-s2.0-S0360319920328524-main.pdf

solo utenti autorizzati

Descrizione: articolo principale
Tipologia: Documento in Post-print
Licenza: Accesso privato/ristretto
Dimensione 1.64 MB
Formato Adobe PDF
1.64 MB Adobe PDF   Visualizza/Apri   Richiedi una copia

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11588/830993
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 63
  • ???jsp.display-item.citation.isi??? 60
social impact