In situ growth of hollow Cu2O spheres using anionic vesicles as soft templates

• Published in: Journal of industrial and engineering chemistry (Seoul, Korea) Vol. 59; pp. 410 - 415
• Main Authors: Luo, Xiaolin, Pan, Zhe, Pei, Fei, Jin, Zhipeng, Miao, Kangkang, Yang, Pengfei, Qian, Huaming, Chen, Qiang, Feng, Guodong
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 25.03.2018; 한국공업화학회
• Subjects: Cu2O; Hollow structure; Template; Vesicle; 화학공학; Vesicle; Hollow structure; Template; Cu2O
• ISSN: 1226-086X; 1876-794X
• DOI: 10.1016/j.jiec.2017.10.052

[Display omitted] •Anionic vesicles were used as soft templates for the synthesis of hollow Cu2O spheres for the first time.•The transcription from vesicles to hollow Cu2O spheres was achieved through an in situ reduction approach.•The hollow Cu2O spheres showed preferable adsorption capacity for methyl orange in the dark. Geometrically optimizing anionic vesicles were fabricated using two types of anionic surfactants with antipodal molecular configuration. The influence of counterions on the anionic vesicles was systematically investigated to maintain electrostatic interaction between the anionic vesicles and the precursors, as well as to ensure the structural integrity of the vesicle templates. The transcription from vesicles to hollow Cu2O spheres was achieved through an in situ reduction approach. The obtained hollow Cu2O spheres were assembled by abundant nanoparticles around the vesicle interface and showed preferable adsorption capacity for methyl orange in the dark compared with the solid Cu2O spheres synthesized without any surfactants.