Photocatalytic conversion of gas phase carbon dioxide by graphitic carbon nitride decorated with cuprous oxide with various morphologies

Chang, Po‐Ya; Tseng, I‐Hsiang

doi:10.1016/j.jcou.2018.06.009

Cited by 23 publications

(26 citation statements)

References 76 publications

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“…The gCN films can be identified obviously on the exterior of the sphere-shaped aggregates, which specifies the development of Cu 2 O-gCN composites ( Figure S2). As reported, the formation of Cu 2 O-gCN aggregates is an outcome of the robust attraction among the MO x and the abundant active groups of gCN [40]. The intimate contact between the gCN sheet and Cu 2 O microspheres was further confirmed by TEM, Scanning transmission electron microscope-High-angle annular dark-field (STEM-HAADF), and HRTEM images, as shown in Figure S3a-c.…”

Section: Morphological and Structural Analysissupporting

confidence: 72%

Graphitic Carbon Nitride Doped Copper–Manganese Alloy as High–Performance Electrode Material in Supercapacitor for Energy Storage

et al. 2019

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Here, we report the synthesis of copper–manganese alloy (CuMnO2) using graphitic carbon nitride (gCN) as a novel support material. The successful formation of CuMnO2-gCN was confirmed through spectroscopic, optical, and other characterization techniques. We have applied this catalyst as the energy storage material in the alkaline media and it has shown good catalytic behavior in supercapacitor applications. The CuMnO2-gCN demonstrates outstanding electrocapacitive performance, having high capacitance (817.85 A·g−1) and well-cycling stability (1000 cycles) when used as a working electrode material for supercapacitor applications. For comparison, we have also used the gCN and Cu2O-gCN for supercapacitor applications. This study proposes a simple path for the extensive construction of self-attaining double metal alloy with control size and uniformity in high-performance energy-storing materials.

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Section: Morphological and Structural Analysissupporting

confidence: 72%

Graphitic Carbon Nitride Doped Copper–Manganese Alloy as High–Performance Electrode Material in Supercapacitor for Energy Storage

et al. 2019

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“…Cuboid Cu 2 O with dominant [111] facets coupled with g‐C 3 N 4 presents the highest activity. This was linked with the improved CO 2 adsorption, the formation of CuO and the enhanced surface area …”

Section: Cu‐based Materials For Co2 Photocatalytic Reductionmentioning

confidence: 98%

“…Coupling of n-type graphitic carbon nitride (g-C 3 N 4 ) and p-type Cu 2 O resulted in improved CO 2 reduction efficiency. [78] In such heterojunctions, the actual morphology of Cu 2 O nanoparticles influenced the optical properties, the band structure and charge separation and, therefore, catalytic efficiency. Cuboid Cu 2 O with dominant [111] facets coupled with g-C 3 N 4 presents the highest activity.…”

Section: Copper Oxides Photocatalysts For Co 2 Conversionmentioning

confidence: 99%

“…This was linked with the improved CO 2 adsorption, the formation of CuO and the enhanced surface area. [78] Cu 2 O was coupled with graphene and TiO 2 nanotubes array (TNA) and applied in CO 2 photoreduction in a dual-chamber reactor. [79] Graphene was proven to have a multi-role in the overall reaction mechanism.…”

Section: Copper Oxides Photocatalysts For Co 2 Conversionmentioning

confidence: 99%

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Photocatalysis for Hydrogen Production and CO₂ Reduction: The Case of Copper‐Catalysts

2018

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Problems derived from climate change dictate the reestablishment of our prospective in energy production. In this direction, converting solar energy through photocatalysis into suitable fuels such as hydrogen and carbon‐based fuels by water splitting and CO2 reduction, respectively, has been established as a promising approach. Currently, the main concern in this field is the development of cost‐effective and efficient photocatalysts. Among the different systems studied, Cu‐based photocatalysts are considered attractive candidates for both applications due to their relative low‐cost, the natural abundance of the constituents and their promising reactivity. In this review, the current progress in the field of Cu‐based photoactive materials for both H2 production and CO2 reduction will be discussed. Finally, an outlook on the challenges and future research directions is given.

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“…The hybridization strategy of g‐C 3 N 4 for CO 2 photoreduction shifts toward band structure engineering for the g‐C 3 N 4 by hybridizing with semiconductors such as red phosphorous, WO 3 , KNbO 3 , UiO‐66, SnO x , Ag 3 PO 4 , AgCl, B 4 C, CdS, CdIn 2 S 4, ZnIn 2 S 4 , Na 10 Co 4 (H 2 O) 2 (PW 9 O 34 ) 2, LaPO 4 , Ag 2 CrO 4 , Cu 2 O, BiCO 4 , ZnV 2 O 6 , FeWO 4 , etc . The formation of heterojunction between the g‐C 3 N 4 and semiconductor induces effective electron–hole separation through the type II heterojunction or light absorption maximized via Z‐scheme, which leads to remarkable enhancement in the catalytic activity of the g‐C 3 N 4 for CO 2 photoreduction (Figure H).…”

Section: Co2 Conversion With Nanostructured Carbon Nitridesmentioning

confidence: 99%

Nanostructured Carbon Nitrides for CO₂ Capture and Conversion

et al. 2019

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Carbon nitride (CN), a 2D material composed of only carbon (C) and nitrogen (N), which are linked by strong covalent bonds, has been used as a metal-devoid and visible-light-active photocatalyst owing to its magnificent optoelectronic and physicochemical properties including suitable bandgap, adjustable energy-band positions, tailor-made surface functionalities, low cost, metal-free nature, and high thermal, chemical, and mechanical stabilities. CN-based materials possess a lot of advantages over conventional metal-based inorganic photocatalysts including ease of synthesis and processing, versatile functionalization or doping, flexibility for surface engineering, low cost, sustainability, and recyclability without any leaching of toxic metals from photocorrosion. Carbon nitrides and their hybrid materials have emerged as attractive candidates for CO 2 capture and its reduction into clean and green low-carbon fuels and valuable chemical feedstock by using sustainable and intermittent renewable energy sources of sunlight and electricity through the heterogeneous photo(electro) catalysis. Here, the latest research results in this field are summarized, including implementation of novel functionalized nanostructured CNs and their hybrid heterostructures in meeting the stringent requirements to raise the efficiency of the CO 2 reduction process by using state-of-the-art photocatalysis, electrocatalysis, photoelectrocatalysis, and feedstock reactions. The research in this field is primarily focused on advancement in the synthesis of nanostructured and functionalized CN-based hybrid heterostructured materials. More importantly, the recent past has seen a surge in studies focusing significantly on exploring the mechanism of their application perspectives, which include the behavior of the materials for the absorption of light, charge separation, and pathways for the transport of CO 2 during the reduction process.

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Photocatalytic conversion of gas phase carbon dioxide by graphitic carbon nitride decorated with cuprous oxide with various morphologies

Cited by 23 publications

References 76 publications

Graphitic Carbon Nitride Doped Copper–Manganese Alloy as High–Performance Electrode Material in Supercapacitor for Energy Storage

Graphitic Carbon Nitride Doped Copper–Manganese Alloy as High–Performance Electrode Material in Supercapacitor for Energy Storage

Photocatalysis for Hydrogen Production and CO₂ Reduction: The Case of Copper‐Catalysts

Nanostructured Carbon Nitrides for CO₂ Capture and Conversion

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Photocatalytic conversion of gas phase carbon dioxide by graphitic carbon nitride decorated with cuprous oxide with various morphologies

Cited by 23 publications

References 76 publications

Graphitic Carbon Nitride Doped Copper–Manganese Alloy as High–Performance Electrode Material in Supercapacitor for Energy Storage

Graphitic Carbon Nitride Doped Copper–Manganese Alloy as High–Performance Electrode Material in Supercapacitor for Energy Storage

Photocatalysis for Hydrogen Production and CO2 Reduction: The Case of Copper‐Catalysts

Nanostructured Carbon Nitrides for CO2 Capture and Conversion

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Product

Resources

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Photocatalysis for Hydrogen Production and CO₂ Reduction: The Case of Copper‐Catalysts

Nanostructured Carbon Nitrides for CO₂ Capture and Conversion