Efficient one-pot synthesis of hierarchical flower-like α-Fe2O3 hollow spheres with excellent adsorption performance for water treatment

Synthesis of nitrogen-doped graphene wrapped SnO2 hollow spheres as high-performance microwave absorbers

“…[20][21][22][23][24][25][26][27][28] Hollow structures exhibit special physical and chemical properties due to their low density and large surface area, having attracted attention as candidates for microwave absorption in recent years. [29][30][31] Zhao et al prepared the hollow three-dimensional CuS hierarchical microspheres and the effective bandwidth was 3.0 GHz with absorber thickness of 1.1 mm. 32 Considering the outstanding properties of graphene as well as hollow structures, hollow structures/graphene hybrids would be very attractive for practical applications.…”

Synthesis of CaMoO4 hierarchical structures via a simple slow-release co-precipitation method

“…A great deal of research has shown that materials with hierarchical structure would exhibit excellent adsorption properties when served as an absorbent to remove inorganic or organic pollutants [31,32]. Methylene blue (MB), which is a typical organic pollutants commonly used in the textile industry, was selected a representative dye to test the adsorption performance of the erythrocyte-like CaMoO 4 , 50 mg of the as-prepared sample was dispersed in 100.0 mL 10 −5 mol L −1 MB solution under magnetic stirring for 1 h in dark.…”

Porous hematite microflowers toward the adsorption of organic pollutants from water

“…For example, Li et al reported the template-free fabrication of 3D iron oxide hierarchical nanostructures through a self-assembly process using a galvanic-cell reaction at room temperature, and these Fe 2 O 3 nanomaterials could selectively remove neutral dyes from wastewater with much higher capacities than those of conventional Fe 2 O 3 nanoparticles [13]. Zhu et al prepared hierarchical flowerlike α-Fe 2 O 3 hollow spheres, which had a high removal capacity for Congo red (195 mg/g) [14]. Li et al prepared flower-like Fe 3 O 4 microspheres through ultrasound-assisted hydrothermal method, and the sample had a removal capacity of 40 mg/g to Congo red [15].…”