Polymer supported graphene–CdS composite catalyst with enhanced photocatalytic hydrogen production from water splitting under visible light

Xu, Juan; Wang, Le; Cao, Xuejun

doi:10.1016/j.cej.2015.08.018

Cited by 82 publications

(19 citation statements)

References 47 publications

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“…The use of CdS semiconductors for photocatalytic applications has attracted much attention since it can be activated in the visible light region; specifically, it has recently been reported for photocatalytic hydrogen production . Different routes of synthesis leading to particular structures and morphologies, such as nanospheres nanorods, nanofibers, nanowires, nanoflowers have been obtained and reported since this semiconductor has the advantage of absorbing throughout the visible region from 300 to 500 nm.…”

Section: Introductionmentioning

confidence: 99%

Comparative activity of CdS nanofibers superficially modified by Au, Cu, and Ni nanoparticles as co-catalysts for photocatalytic hydrogen production under visible light

Oros-Ruíz

Hernández-Gordillo

García‐Mendoza

et al. 2016

J. Chem. Technol. Biotechnol.

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BACKGROUND: The use of CdS as a catalyst under visible light for hydrogen production has attracted much attention owing to its ability to perform the photocatalytic hydrogen production under visible light; the use of noble metals as co-catalysts has been reported as an effective method to increase their efficiency. This work compares the activity of CdS catalysts using different metals as co-catalysts supported on its surface, such as gold, and non-noble metals such as Cu and Ni, enhancing the photocatalytic response.

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Section: Introductionmentioning

confidence: 99%

Comparative activity of CdS nanofibers superficially modified by Au, Cu, and Ni nanoparticles as co-catalysts for photocatalytic hydrogen production under visible light

Oros-Ruíz

Hernández-Gordillo

García‐Mendoza

et al. 2016

J. Chem. Technol. Biotechnol.

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“…Metal oxide semiconducting materials are effective as photoanodes because of the stability and inexpensive synthesis . Researchers are working to discover new photoanodes of more complicated oxides which have extraneous electrical, magnetic, optical, and structural properties with less band gap nearly equal to 2 eV greater lifetime of majority charge carriers …”

Section: Metal Oxides and Their Composites As Photocatalystmentioning

confidence: 99%

“…101 Researchers are working to discover new photoanodes of more complicated oxides which have extraneous electrical, magnetic, optical, and structural properties with less band gap nearly equal to 2 eV greater lifetime of majority charge carriers. 102,103 6 | COPPER VANADATE MATERIAL AS PHOTOCATALYST The 1-dimensional nanomaterial gains a great attention of the researchers because of their extraneous electrical, optical, chemical, and morphological properties. This nanostructured material also has significant applications in nanodevices.…”

Section: Polymer-supported Graphene-cds Compositementioning

confidence: 99%

A review on copper vanadate‐based nanostructures for photocatalysis energy production

et al. 2018

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Summary The economic, social, and environmental aspects are important that should be notable before the selection of a method for the production of energy. Various renewable energy sources are used like hydropower, biomass, biofuel, geothermal energy, and wind energy for the production of sustainable energy that are excellent approaches to fulfill energy environmental energy demands. Renewable sources of energy give an excellent chance to extenuate the gas emission in greenhouse and reduction of global warming with the help of renewable sources of energy. The importance and utilization of the variety of renewable sources of energy are elaborated in this article. The emerging and exploring technique for the production of energy is the photocatalysis. In photocatalysis, solar spectrum is the extraneous source that is used with water to produce hydrogen energy (green energy) by the water splitting under the shower of the solar spectrum. The solar spectrum contains heat and intensity of light from which light spectrum is the abundantly used for the splitting of water. The photocatalyst is the key factor to initiate the reaction depending upon the energy band gap by absorbing the energy from the spectrum of the sun. Semiconducting materials having lower forbidden energy band gap are the basic requirements to use them as a photocatalyst for photocatalysis. Copper vanadate and their composites are the promising materials that are used as photocatalyst for the production of hydrogen energy. Copper vanadate is the focusing material that can be used as photocatalyst. It is an n‐type semiconducting material with 2 eV indirect energy band gap having monoclinic structural phase which is tuned by the doping of metals like chromium, molybdenum, and silver to reduce the grain size and energy band gap and increase the surface area and optical absorption of solar light only to enhance the photocatalytic performance towards the production of hydrogen energy by water splitting in the presence of solar light.

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“…Thus far, the combination of graphene derivatives and promising semiconducting photocatalyst via facile techniques was reported, including metal oxides [67][68][69][70], nitrides [71,72], oxynitrides [26,73], sulfides, and oxysulfides [74][75][76][77], as well as ternary composites [78] and those based on abundant Earth materials [79][80][81]. To realize the effectiveness of such hybridization, a recent study by Tang and coworkers [82] can be discussed.…”

Section: Graphene As Electron Acceptormentioning

confidence: 99%

Role of Graphene in Photocatalytic Solar Fuel Generation

Adeli¹,

Taghipour²

2018

Visible-Light Photocatalysis of Carbon-Based Materials

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One of the most promising methods for conversion and storage of solar energy is in the form of the chemical bonds of an energy carrier, such as hydrogen or light hydrocarbons. However, the traditional methods to harness and store solar energy are simply too expensive to be implemented on a large scale. It has been documented that the recombination of photo-induced charge carriers is the greatest source of inefficiency in photocatalytic systems. In the last decade, graphene derivatives and their functionalized nanostructures were extensively utilized for various roles to improve the efficiency of photocatalytic solar fuel generation. These include photocatalyst/redox active sites via band gap and defect density engineering, charge acceptor due to their excellent carrier mobility, a solid-state charge mediator by electronic band alignment, and light absorber by taking advantage of their photoluminescence characteristics at the nanoscale. This chapter aims to provide an authoritative and in-depth review on the properties and application of graphene derivatives, as well as the recent advances in the design of graphene-based photocatalytic systems. The knowledge extracted from the presented materials can be applied to other applications dealing with surface chemistry, interfacial science, and optoelectronic device fabrication.

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Polymer supported graphene–CdS composite catalyst with enhanced photocatalytic hydrogen production from water splitting under visible light

Cited by 82 publications

References 47 publications

Comparative activity of CdS nanofibers superficially modified by Au, Cu, and Ni nanoparticles as co-catalysts for photocatalytic hydrogen production under visible light

Comparative activity of CdS nanofibers superficially modified by Au, Cu, and Ni nanoparticles as co-catalysts for photocatalytic hydrogen production under visible light

A review on copper vanadate‐based nanostructures for photocatalysis energy production

Role of Graphene in Photocatalytic Solar Fuel Generation

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