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AuthorThang P.Q.
AuthorJitae K.
AuthorNguyen T.D.
AuthorHuong P.T.
AuthorViet N.M.
AuthorAl Tahtamouni T.M.
Available date2020-04-01T06:59:41Z
Publication Date2019
Publication NameRendiconti Lincei
ResourceScopus
ISSN20374631
URIhttp://dx.doi.org/10.1007/s12210-019-00844-2
URIhttp://hdl.handle.net/10576/13668
AbstractGraphitic carbon nitride (g-C3N4) has been extensively studied as a model of photocatalyst material for water splitting. This study investigates potential of cobalt (II) phosphide hydroxide co-doped g-C3N4 (Co-P/C3N4) for solar water splitting to produce hydrogen gas as a clean energy source. Characterizations of the materials were done using X-ray diffraction, Scanning Electron Microscopy, X-ray Photoelectron Spectroscopy, and UV–visible spectroscopy (UV–Vis). Under solar light, the hydrogen production rates per hour using Co-P/C3N4 were 386.8 µmol/g which is 14-fold higher than that of g-C3N4 (28.1 µmol/g). The co-doping of cobalt (II) phosphide hydroxide onto g-C3N4 rapidly improved light harvesting capacity and photo-generated charge carrier separation, leading to increase photocatalytic H2 production. In addition, the reusability of Co-P/C3N4 was confirmed by performing the photocatalytic hydrogen production for five cycles. The material consistently produced H2 without any significant loss in hydrogen productivity. Based on these results, Co-P/C3N4 could be utilized as promising photocatalyst material for production of clean energy.
SponsorThis work was supported by Qatar University under Grant Number GCC-2017-007.
Languageen
PublisherSpringer
SubjectClean energy
Cobalt (II) phosphide hydroxide
g-C3N4
Hydrogen production
Photocatalytic
TitleImprovement of hydrogen production under solar light using cobalt (II) phosphide hydroxide co-doped g-C3N4 photocatalyst
TypeArticle
Pagination699-706
Issue Number4
Volume Number30


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