Recent advancements in g-C3N4-based photocatalysts for photocatalytic CO2 reduction: a mini review

Liu, Runlu; Chen, Zhuo; Yao, Yao; Li, Yao; Cheema, Waqas Akram; Wang, Da‐Wei; Zhu, Shenmin

doi:10.1039/d0ra05779g

Cited by 96 publications

(52 citation statements)

References 90 publications

(142 reference statements)

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“…Besides RGO, graphitic carbon nitride (g‐C 3 N 4 ) is also attractive to be coupled with halide perovskite for photocatalytic CO 2 reduction reaction. The g‐C 3 N 4 is a semiconductor with excellent photocatalytic CO 2 reduction activity 92‐94 . In order to improve photogenerated carrier separation and reach a high photocatalytic activity, a type II heterojunction or Z‐scheme heterojunction is preferred between g‐C 3 N 4 and halide perovskite.…”

Section: Photocatalytic Applications Of Halide Perovskite Compositesmentioning

confidence: 99%

Halide perovskite composites for photocatalysis: A mini review

Luo¹,

Zhang²,

Yang

et al. 2021

EcoMat

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Halide perovskites have attracted increasing scientific interests for photocatalysis because of their remarkable opto‐electronic properties, such as optimal band structures, long charge carrier lifetimes, high photoluminescence quantum yields, and so on. However, pure halide perovskites generally face problems of low stability, lack of active sites, and ineffective extraction of carriers, which limit their applications in photocatalytic reactions. To improve the photocatalytic activity and stability, halide perovskites are composited with other materials. Herein in this mini review, we summarize the recent progresses on the design and development of halide perovskite composites for various photocatalytic reactions including photocatalytic CO2 reduction reaction, photocatalytic hydrogen evolution reaction, photocatalytic pollutant degradation reaction, and so on. Finally, an outlook of halide perovskite for photocatalysis is provided to point up the future challenges and the possible solutions.

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Section: Photocatalytic Applications Of Halide Perovskite Compositesmentioning

confidence: 99%

Halide perovskite composites for photocatalysis: A mini review

Luo¹,

Zhang²,

Yang

et al. 2021

EcoMat

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“…These compounds are generally represented by the formula [M 1−x 2+ M x 3+ (OH) 2 (A n− ) x/n ] x+ . m H 2 O [258] . The LDHs include fractions of divalent metal cations like Zn 2+ , Ni 2+ , Mg 2+ and Cu 2+ , which are octahedrally coordinated via hydroxyl groups and have been substituted isomorphously by the trivalent metal cations like Fe 3+ , Ga 3+ and Al 3+ producing positively charged layers.…”

Section: Design and Fabrication Of Cn‐based Heterostructuresmentioning

confidence: 99%

An Overview of the Recent Progress in Polymeric Carbon Nitride Based Photocatalysis

Humayun

Ullah

Tahir

et al. 2021

The Chemical Record

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Recently, polymeric carbon nitride (g‐C3N4) as a proficient photo‐catalyst has been effectively employed in photocatalysis for energy conversion, storage, and pollutants degradation due to its low cost, robustness, and environmentally friendly nature. The critical review summarized the recent development, fundamentals, nanostructures design, advantages, and challenges of g‐C3N4 (CN), as potential future photoactive material. The review also discusses the latest information on the improvement of CN‐based heterojunctions including Type‐II, Z‐scheme, metal/CN Schottky junctions, noble metal@CN, graphene@CN, carbon nanotubes (CNTs)@CN, metal‐organic frameworks (MOFs)/CN, layered double hydroxides (LDH)/CN heterojunctions and CN‐based heterostructures for H2 production from H2O, CO2 conversion and pollutants degradation in detail. The optical absorption, electronic behavior, charge separation and transfer, and bandgap alignment of CN‐based heterojunctions are discussed elaborately. The correlations between CN‐based heterostructures and photocatalytic activities are described excessively. Besides, the prospects of CN‐based heterostructures for energy production, storage, and pollutants degradation are discussed.

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“…The semiconductors that have been most frequently used are metal oxides. Among these we mention TiO 2 , [128–130] oxysalts as titanates, tungstate, tantalates and vanadates, metal sulphides, metal nitrides, graphitic carbon nitride, metal organic frameworks, and graphene‐based systems [69,131–136] . A variety of products have been obtained depending both on the photocatalyst and on experimental conditions chosen.…”

Section: Heterogeneous Photocatalysismentioning

confidence: 99%

“… [187] The various configurations justify the multiplicity of products obtained with the different photocatalysts. Consequently, research has focused on the choice of alternative catalysts to TiO 2 or the development of coupled systems containing both acidic and basic sites [129,188–191] …”

Section: Heterogeneous Photocatalysismentioning

confidence: 99%

“…In addition to TiO 2 and the few examples reported in Table 3, numerous other bare or coupled photocatalysts have been investigated for the reduction of CO 2 . Among these we find several type of metal oxides, carbon based materials (carbon nitride, graphene, metal organic framework), metal sulfides, and metal nitrides [31,69,133–135,197] …”

Section: Heterogeneous Photocatalysismentioning

confidence: 99%

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(Photo)electrocatalytic Versus Heterogeneous Photocatalytic Carbon Dioxide Reduction

et al. 2021

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The present review summarizes some of the main results achieved in electrochemical, photocatalytic, and (photo)‐electrocatalytic systems for the reduction of carbon dioxide. After a preliminary survey of the electrocatalytic and photocatalytic systems in terms of materials used, efficiencies, operating conditions, and product distribution, it is shown how the combination of the two approaches affords often higher efficiency than the single technologies and allows better control of the product distribution. In fact, the peculiar energetic distribution at the interface of irradiated semiconductors under opportune electrical bias enables enhancement of the spatial separation of the photogenerated charges and minimization of the external energy required in electrochemical applications. Even though the efficiency of CO2 reduction is still far away from being industrially appealing, in some cases the photoelectrocatalytic systems are promising tools to be further investigated for sustainable green chemistry based CO2 utilization. The aim of this review is to examine the strengths and the weaknesses of the different approaches considering that sometimes one of the three methods can be used more successfully than the others, depending on the desired product(s) and the materials used as photocatalysts or as the (photo)electrode.

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Recent advancements in g-C₃N₄-based photocatalysts for photocatalytic CO₂ reduction: a mini review

Abstract: g-C3N4-based photocatalysts for photocatalytic CO2 reduction.

Cited by 96 publications

References 90 publications

Halide perovskite composites for photocatalysis: A mini review

Halide perovskite composites for photocatalysis: A mini review

An Overview of the Recent Progress in Polymeric Carbon Nitride Based Photocatalysis

(Photo)electrocatalytic Versus Heterogeneous Photocatalytic Carbon Dioxide Reduction

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