(3-Oxo-1,2,3,4-tetrahydro-2-quinoxalinyl)acetic acid
CAS Number:
136584-14-0
Molecular Formula:
C10H10N2O3
Exfoliated carbon nitride nanosheets decorated with NiS as an efficient noble-metal-free visible-light-driven photocatalyst for hydrogen evolution
Literature Information
Publication Date
2015-05-27
DOI
10.1039/C5CP01657F
Impact Factor
3.676
Authors
Yongtao Lu, Dongmei Chu, Mingshan Zhu, Yukou Du, Ping Yang
View Original
Abstract
A binary composite composed of two dimensional (2D) ultrathin carbon nitride (C3N4) nanosheets and NiS nanoparticles was synthesized and applied as a noble-metal-free photocatalyst for hydrogen evolution under visible light irradiation. The ultrathin nanosheets of C3N4 were obtained by a facile liquid exfoliation method and used as 2D supports for the deposition of NiS nanoparticles. In the binary composite, the ultrathin C3N4 nanosheets acted as a visible light responding semiconductor, and the NiS nanoparticles served as a noble-metal-free cocatalyst. The binary composite with an optimized composition gave a hydrogen evolution rate comparable to that of Pt modified C3N4. Moreover, compared to bulk C3N4, the exfoliated C3N4 nanosheets distinctly improve the photocatalytic performance for hydrogen evolution. The photocatalytic results combined with photoelectrochemical experiments show that C3N4 with an ultrathin structure promotes the electron–hole separation and transportation during the process of the photoinduced hydrogen evolution. This study displays a facile method to build a low-cost but effective photocatalyst for hydrogen production under visible light irradiation.
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Source Journal
Physical Chemistry Chemical Physics
CiteScore:
5.5
Self-citation Rate:
10.3%
Articles per Year:
3036
Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.
Recommended Compounds
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tert-Butyl N-[(2-chloropyridin-4-yl)methyl]carbamate
CAS Number:
916210-27-0
Molecular Formula:
C11H15ClN2O2
![5-Methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-2-amine structure](https://static.chemtradehub.com/structs/122/1227210-33-4-8d64.webp "5-Methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-2-amine structure")
5-Methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-2-amine
CAS Number:
1227210-33-4
Molecular Formula:
C7H12N4
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