Journal ArticleDOI
Biomolecule-assisted solvothermal synthesis of Cu2SnS3 flowers/RGO nanocomposites and their visible-light-driven photocatalytic activities
Sethumathavan Vadivel,D. Maruthamani,Bappi Paul,Siddhartha Sankar Dhar,Aziz Habibi-Yangjeh,Subramanian Balachandran,B. Saravanakumar,A. Selvakumar,K. Selvam +8 more
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In this article, the authors presented a facile eco-friendly method to fabricate novel Cu2SnS3/RGO (Cu2S3 /RGO) nanocomposites via a solvothermal method using L-cysteine as a sulphur source and linker.Abstract:
Elimination of organic pollutants from wastewaters under visible-light irradiation is a venerable challenge in the fields of environmental and material science. In this work, we present a facile eco-friendly method to fabricate novel Cu2SnS3 flowers/RGO (Cu2SnS3/RGO) nanocomposites via a solvothermal method using L-cysteine as a sulphur source and linker. The crystal structure, morphology, purity, spectroscopic, and charge carrier separation properties of the synthesized samples were studied by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), field emission-scanning electron microscopy (FE-SEM), high resolution transmission electron microscopy (HR-TEM), and X-ray energy-dispersive spectroscopy (EDS), Raman spectroscopy, UV-vis diffuse reflectance spectroscopy (UV-vis DRS) and electrochemical impedance spectroscopy (EIS). The photocatalytic performance of the Cu2SnS3/RGO nanocomposites was evaluated by photocatalytic decolorization of eosin under visible-light irradiation. Results showed that the Cu2SnS3/RGO (3%) nanocomposite exhibits enhanced photocatalytic activity compared with the pure Cu2SnS3. The improved photocatalytic activity of the nanocomposite was mainly attributed to the formation of well-defined interface between Cu2SnS3 and graphene sheets, which greatly enhance the charge carrier separation efficiency in the Cu2SnS3 semiconductor.read more
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Solar light harvesting with multinary metal chalcogenide nanocrystals
TL;DR: The paper reviews the state of the art in the synthesis of multinary (ternary, quaternary and more complex) metal chalcogenide nanocrystals (NCs) and their applications as a light absorbing or an auxiliary component of light-harvesting systems.
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Controlled structural and compositional characteristic of visible light active ZnO/CuO photocatalyst for the degradation of organic pollutant
S. Harish,J. Archana,M. Sabarinathan,M. Navaneethan,K.D. Nisha,S. Ponnusamy,Chellamuthu Muthamizhchelvan,Hiroya Ikeda,Dinesh K. Aswal,Yasuhiro Hayakawa +9 more
TL;DR: In this article, the effect of copper acetate concentration and the functional properties of nanocomposites was investigated and the synergistic photocatalytic mechanism was proposed based on the photodegradation results.
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Construction of novel Pd/CeO2/g-C3N4 nanocomposites as efficient visible-light photocatalysts for hexavalent chromium detoxification.
TL;DR: The synergistic Pd/CeO2/g-C3N4 nanocomposites would be a new kind of high-efficiency visible-light-driven photocatalysts materials for the detoxification of public safety and security.
Journal ArticleDOI
Multifunctional ZnO nanorod-reduced graphene oxide hybrids nanocomposites for effective water remediation: Effective sunlight driven degradation of organic dyes and rapid heavy metal adsorption
TL;DR: In this article, the authors demonstrate the multi-functionality engineering on nanocomposite by combining one dimensional (1D) ZnO nanorod (NR) and two dimensional (2D) reduced graphene oxide (rGO) for efficient water remediation.
Journal ArticleDOI
Facile synthesis of phase pure ZnAl 2 O 4 nanoparticles for effective photocatalytic degradation of organic dyes
TL;DR: In this paper, the authors focused on the surfactant mediated synthesis of ZnAl2O4 nanoparticles (1−3) using sol-gel method and showed that the particle size of these nanoparticles can be reduced to half (12nm in 1, 6nm in 2 and 3nm in 3).
References
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Journal ArticleDOI
P25-Graphene Composite as a High Performance Photocatalyst
TL;DR: A chemically bonded TiO(2) (P25)-graphene nanocomposite photocatalyst with graphene oxide and P25, using a facile one-step hydrothermal method could provide new insights into the fabrication of a TiO (2)-carbon composite as high performance photocatalysts and facilitate their application in the environmental protection issues.
Journal ArticleDOI
Review on Modified TiO2 Photocatalysis under UV/Visible Light: Selected Results and Related Mechanisms on Interfacial Charge Carrier Transfer Dynamics
S. Girish Kumar,L. Gomathi Devi +1 more
TL;DR: This review encompasses several advancements made in these aspects of titania, and also some of the new physical insights related to the charge transfer events like charge carrier generation, trapping, detrapping, and their transfer to surface are discussed for each strategy of the modified titania to support the conclusions derived.
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Reduced Graphene Oxide as a Solid-state Electron Mediator in Z-scheme Photocatalytic Water Splitting under Visible Light
TL;DR: It is shown that a tailor-made, photoreduced graphene oxide can shuttle photogenerated electrons from an O(2)-evolving photocatalyst (BiVO(4) to a H(2)/Ru/SrTiO(3):Rh, tripling the consumption of electron-hole pairs in the water splitting reaction under visible-light irradiation.
Journal ArticleDOI
Photocatalytic Reduction of Graphene Oxide Nanosheets on TiO2 Thin Film for Photoinactivation of Bacteria in Solar Light Irradiation
Omid Akhavan,Elham Ghaderi +1 more
TL;DR: In this article, annealing of the graphene oxide/TiO2 thin films at 400 °C in air resulted in partial formation of a Ti−C bond between the platelets and their beneath thin film.
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Recent progress on graphene-based photocatalysts: current status and future perspectives
Nan Zhang,Yanhui Zhang,Yi-Jun Xu +2 more
TL;DR: In this tutorial review, the applications of GR-based nanocomposites in photocatalysis, including nonselective processes for degradation of pollutants, selective transformations for organic synthesis and water splitting to clean hydrogen energy, are summarized systematically.