NDLI: Graphene oxide coupled carbon nitride homo-heterojunction photocatalyst for enhanced hydrogen production

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Graphene oxide coupled carbon nitride homo-heterojunction photocatalyst for enhanced hydrogen production

Content Provider	Semantic Scholar
Author	Rahman, Mohammad Ziaur Zhang, Jun Tang, Youhong Davey, Kenneth Qiao, Shi-Zhang
Copyright Year	2017
Abstract	This contribution reports the synthesis, characterization and application of a new ternary homo-heterojunction photocatalyst for improved hydrogen production via water-splitting. The heterostructure is constructed by soft-grafting of graphitic carbon nitride (GCN) and graphene oxide (GO) into an amorphous carbon nitride (ACN) substrate. In this ternary hybrid, a cascaded redox-junction is formed that significantly facilitates the separation of photogenerated electron–hole pairs (EHPs), retards EHP recombination and shuttles electrons to the photocatalyst/liquid interface for proton reduction reactions. When deposited with 3 wt% Pt as a cocatalyst, this new photocatalyst exhibits hydrogen production of 251 μmol h−1 from 10 vol% aqueous triethanolamine solution under visible light (420 nm) irradiation with an apparent quantum efficiency of 6.3%. This ternary photocatalyst therefore outperforms stand-alone/binary photocatalysts and promises to be a viable alternative to metal-based photocatalysts.
Starting Page	562
Ending Page	571
Page Count	10
File Format	PDF HTM / HTML
DOI	10.1039/C6QM00241B
Volume Number	1
Alternate Webpage(s)	http://www.rsc.org/suppdata/c6/qm/c6qm00241b/c6qm00241b1.pdf
Alternate Webpage(s)	https://doi.org/10.1039/C6QM00241B
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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