Photocatalytic degradation of methyl orange dye by Ti3C2–TiO2 heterojunction under solar light

Fabrication of a high-efficiency CdS@TiO2@C/Ti3C2 composite photocatalyst for the degradation of TC-HCl under visible light

“…In comparison with TiO 2 @C/Ti 3 C 2 and pure CdS, the CdS@TiO 2 @C/ Ti 3 C 2 composites exhibit the significantly enhanced photocatalytic ability for TC-HCl under visible light irradiation, which should result from the increased surface area, enhanced light absorption ability and improved charge separation efficiency. 55 Moreover, the catalytic ability of the CdS@TiO 2 @C/Ti 3 C 2 composite photocatalyst displays a firstly increasing and then decreasing trend, and the C@T@CT-2 sample exhibits optimal photocatalytic ability for TC-HCl. This is mainly related to the fact that excessive CdS NPs will lead to local agglomeration and space blocking, which are very disadvantageous for light absorption, charge separation as well as contact reaction during the photocatalytic process.…”

“…During these processes, the surface heterojunction between the (101) and (001) facets of TiO 2 NSs can significantly facilitate the transfer and separation efficiency of the photogenerated carriers, 63 while the Schottky junction between the TiO 2 NSs and C/Ti 3 C 2 matrix can effectively suppress the recombination of photo-generated electrons and holes. 55,64 As a consequence, the photo-generated carriers are rapidly separated and more photo-generated charges participate in the photocatalytic reactions. The photo-generated electrons will react with O 2 to create O 2 À radical species, thereby taking part in the photocatalytic process of TC-HCl.…”

Recent Progress and Prospects in Catalytic Water Treatment

“…Figure 78 illustrates MXene synthesis. Since MXenes are mostly conductive materials, they are most generally used in combination with a semiconductor, such as TiO2, [809][810][811][812] graphitic carbon nitride, 813 2D metal-organic frameworks 814 and other photocatalyts. 815 Due to the space limitation, in the next sections we will focus on two different types that have been under the spotlight in recent years, due to the potential advantages in comparison with oxides and chalcogenides.…”

Photocatalytic Applications of Titanium Dioxide (TiO2)

“…They reported 99% photodegradation of methyl orange, methylene blue, and rhodamine b dye over TiO 2 -CoTiO 3 heterojunction as photocatalyst under visible light irradiation. Another research group [59] has used TiO 2 -Ti 3 C 2 heterojunction as a catalyst for photodegradation of methyl orange with 99% performance under sunlight irradiation. CuO-TiO 2 heterojunction has also been reported for photodegradation of phenol with excellent photocatalytic performance [60].…”