期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 633, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.colsurfa.2021.127848
关键词
Assembly Ionic liquid Metal sulfides; Photocatalytic degradation Dyes
资金
- National Natural Science Foundation of China [22032003, 22072073]
- Natural Science Foundation of Shandong Province [ZR2018ZA0547]
Metal sulfide nanomaterials have attracted extensive attention for their versatile applications. By utilizing an ionothermal synthesis strategy, researchers have successfully synthesized metal sulfide particles with diverse components and controllable architectures, and demonstrated their potential for efficient photocatalytic degradation of dyes.
Metal sulfide nanomaterials have been extensively studied due to their attractive applications in various fields. Although various synthetic approaches have been developed, it remains a great challenge to establish a universal and green method for fabricating metal sulfide nanomaterials with tailorable structures (e.g., shapes and sizes). Here we report a ionothermal strategy to synthesize metal sulfide particles with diverse components and controllable architectures. Transition metal sulfide (TMS) nanostructures such as hierarchical Cu7S4 microspheres, ZnS and CdS nanoparticles, PdS polyhedrons, and Bi2S3 nanorods have been successfully synthesized with metal salts and amino acid-based ionic liquids, [TBP][Cys] (tetrabutyl-phosphonium cation and L-cysteine anion). We unveiled the structures, optical properties, and formation mechanism of TMSs. As a typical application of the as-prepared TMSs, the hierarchically structured Cu7S4 nanocrystals enable high-performance photocatalysis degradation of dyes (e.g., methylene blue) in water. Our study not only provides new insights into the ionic liquid-mediated assembly strategy but also achieves an efficient catalyst for photocatalytic degradation.
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