Mesoporous transition metal dichalcogenides with 2D layered crystallinity, synthesized through a melting-infiltration assisted nano-replication, exhibit excellent electrochemical performances for lithium-storage.
Highly ordered mesoporous Cd x Zn 1−x S materials were obtained via a simple nanoreplication method using a mesoporous silica template with a 3-D bicontinuous cubic Ia3d mesostructure. Combined analyses using X-ray diffraction, N 2 sorption, electron microscopy, and diffuse reflectance UV− visible spectroscopy revealed that the ordered mesoporous ternary compound semiconductor materials exhibited welldeveloped crystalline frameworks, high surface areas of 80− 120 m 2 g −1 , uniform mesopore sizes of about 20 nm, ordered arrangement of mesopores, and outstanding visible light absorption properties. Photocatalytic activities were investigated by degradation of methylene blue and rhodamine B under visible light over the mesoporous Cd x Zn 1−x S materials. Due to the high surface area and outstanding light absorption properties, the ordered mesoporous Cd x Zn 1−x S exhibited excellent photocatalytic performances for the degradation of methylene blue and rhodamine B. This study indicates a potential application of the mesoporous compound semiconductors in the efficient visiblelight-driven photolysis of organics that may cause environmental pollution.
Highly ordered mesoporous silver, which exhibits well-defined mesopores, high surface area and pore volume, has been successfully obtained using a cubic mesoporous silica, KIT-6, with controlled surface hydrophobicity as the hard template.
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