Next Article in Journal
The Impact of Node Location Imperfections on the Reliability of Single-Layer Steel Domes
Previous Article in Journal
Acoustic Beam Characterization and Selection for Optimized Underwater Communication
Previous Article in Special Issue
Cu-Doped TiO2: Visible Light Assisted Photocatalytic Antimicrobial Activity
Article Menu
Issue 13 (July-1) cover image

Export Article

Open AccessArticle

Photocatalytic Hydrogen Production from Glycerol Aqueous Solution Using Cu-Doped ZnO under Visible Light Irradiation

Department of Industrial Engineering, University of Salerno, via Giovanni Paolo II, 132, 84084 Fisciano (SA), Italy
Author to whom correspondence should be addressed.
Appl. Sci. 2019, 9(13), 2741;
Received: 17 May 2019 / Revised: 24 June 2019 / Accepted: 24 June 2019 / Published: 6 July 2019
(This article belongs to the Special Issue Cu and Cu-Based Nanoparticles: Applications in Catalysis)
PDF [1121 KB, uploaded 6 July 2019]


Cu-doped ZnO photocatalysts at different Cu loadings were prepared by a precipitation method. The presence of Cu in the ZnO crystal lattice led to significant enhancement in photocatalytic activity for H2 production from an aqueous glycerol solution under visible light irradiation. The best Cu loading was found to be 1.08 mol %, which allowed achieving hydrogen production equal to 2600 μmol/L with an aqueous glycerol solution at 5 wt % initial concentration, the photocatalyst dosage equal to 1.5 g/L, and at the spontaneous pH of the solution (pH = 6). The hydrogen production rate was increased to about 4770 μmol/L by increasing the initial glycerol concentration up to 10 wt %. The obtained results evidenced that the optimized Cu-doped ZnO could be considered a suitable visible-light-active photocatalyst to be used in photocatalytic hydrogen production without the presence of noble metals in sample formulation. View Full-Text
Keywords: photocatalysis; visible light; Cu-doped ZnO; hydrogen; glycerol photocatalysis; visible light; Cu-doped ZnO; hydrogen; glycerol

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

Supplementary material


Share & Cite This Article

MDPI and ACS Style

Vaiano, V.; Iervolino, G. Photocatalytic Hydrogen Production from Glycerol Aqueous Solution Using Cu-Doped ZnO under Visible Light Irradiation. Appl. Sci. 2019, 9, 2741.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics



[Return to top]
Appl. Sci. EISSN 2076-3417 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top