Sparked by natural photosynthesis, solar photocatalysis using metal‐free graphitic carbon nitride (g‐C3N4) with appealing electronic structure has turned up as the most captivating technique to the quest for sustainable energy generation and pollution‐free environment. Nonetheless, low‐dimensional g‐C3N4 is thwarted from sluggish kinetics and rapid recombination of photogenerated carriers upon light irradiation. Among multifarious modification strategies, engineering 2D cocatalysts is anticipated to accelerate redox kinetics, augment active sites and ameliorate electron–hole separation of 2D g‐C3N4 for boosted activity thanks to its face‐to‐face contact surface. It is of timely and technological significance to review the 2D/2D interfaces with state‐of‐the‐art 2D cocatalysts, spanning from carbon‐containing to phosphorus‐containing, metal dichalcogenide, and other cocatalysts. Fundamental principles for each photocatalytic application will be introduced. Thereafter, the recent advances of 2D/2D cocatalyst‐mediated g‐C3N4 systems will be critically evaluated based on their interfacial engineering, emerging roles, and impacts toward stability and catalytic efficiency. Importantly, mechanistic insights into the charge dynamics and structure–performance relationship will be deciphered. Last, noteworthy research directions are prospected to deliver insightful ideas for future development of g‐C3N4. Overall, this review is anticipated to serve as a scaffold and cornerstone in designing dimensionality‐dependent 2D cocatalyst‐assisted g‐C3N4 toward renewable energy and ecologically green environment.

Tailor‐Engineered 2D Cocatalysts: Harnessing Electron–Hole Redox Center of 2D g‐C3N4 Photocatalysts toward Solar‐to‐Chemical Conversion and Environmental Purification

Metal sulphides and their heterojunctions for photocatalytic degradation of organic dyes-A comprehensive review

Semiconductor heterojunctions for photocatalytic hydrogen production and Cr(VI) Reduction: A review

Boosting photoelectron transport in Zn0.5Cd0.5S/Sn3O4 heterostructure through close interface contact for enhancing photocatalytic H2 generation and degradation of tetracycline hydrochloride

Three-dimensional nanoporous heterojunction of CdS/np-rGO for highly efficient photocatalytic hydrogen evolution under visible light

The Ce-doped NiAl layered double hydroxide/reduced graphene oxide (NiAlCe LDH/RGO) composite was synthesized by a facile one-step hydrothermal method. The structure and morphology of the composite were investigated. NiAlCe LDH/RGO has large specific surface area and uniform dispersion. The presence of Ce and RGO accelerate separation of photo-generated charges, leading to an outstanding photocatalytic performance for the degradation of ciprofloxacin (CIP). As a result, the NiAlCe LDH/RGO exhibits a high photocatalytic degradation efficiency of 94% under visible light irradiation, which is much higher than that of pristine NiAl LDH (36%). Moreover, the NiAlCe LDH/RGO possesses excellent cycling stability of 84% efficiency retention after five consecutive tests. In addition, the reaction mechanism of photocatalyst was investigated by ESR and radical scavenger experiments.

Synthesis of Ce-doped NiAl LDH/RGO composite as an efficient photocatalyst for photocatalytic degradation of ciprofloxacin

One-step synthesis of reduced graphene oxide based ceric dioxide modified with cadmium sulfide (CeO2/CdS/RGO) heterojunction with enhanced sunlight-driven photocatalytic activity.

The invention discloses a preparation method of a high-efficiency graphene-based cerium nano composite material as well as a product and application of the high-efficiency graphene-based cerium nano composite material. The preparation method comprises the steps of putting graphite oxide into deionized water and ultrasonically dispersing uniformly to obtain a graphite oxide aqueous solution; addingceric ammonium nitrate into the graphite oxide aqueous solution, uniformly stirring, adding cadmium nitrate and sodium sulfide, continuously stirring, fully and uniformly mixing the system, and adjusting the pH value to obtain a mixed reaction system; and carrying out hydrothermal reaction on the mixed reaction system, carrying out suction filtration, washing and drying, and grinding to obtain the graphene-based cerium nano composite material. The graphene, CeO2 and CdS in the composite material have a good synergistic effect, so that the photocatalytic performance of the composite material is improved.

Preparation method of efficient graphene-based cerium nano composite material as well as product and application thereof

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Synthesis of Ce-doped NiAl LDH/RGO composite as an efficient photocatalyst for photocatalytic degradation of ciprofloxacin

One-step synthesis of reduced graphene oxide based ceric dioxide modified with cadmium sulfide (CeO2/CdS/RGO) heterojunction with enhanced sunlight-driven photocatalytic activity.

Preparation method of efficient graphene-based cerium nano composite material as well as product and application thereof