Double‐Shelled Mn 2 O 3  Hollow Spheres and Their Application in Water Treatment | Zendy

Cao Jie | Zendy; Zhu Yongchun | Zendy; Shi Liang | Zendy; Zhu Lingling | Zendy; Bao Keyan | Zendy; Liu Shuzhen | Zendy; Qian Yitai | Zendy

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Double‐Shelled Mn 2 O 3 Hollow Spheres and Their Application in Water Treatment

Author(s) -

Cao Jie,

Zhu Yongchun,

Shi Liang,

Zhu Lingling,

Bao Keyan,

Liu Shuzhen,

Qian Yitai

Publication year - 2010

Publication title -

european journal of inorganic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 1434-1948

DOI - 10.1002/ejic.200901116

Subject(s) - chemistry , spheres , thermal treatment , nanoparticle , nanopore , chemical engineering , template , microsphere , nanotechnology , etching (microfabrication) , composite material , materials science , organic chemistry , physics , layer (electronics) , astronomy , engineering

Double‐shelled Mn 2 O 3 hollow spheres have been successfully prepared on a large scale by using core‐shell‐structured MnCO 3 microspheres as sacrificial templates. This new method is based on an inward oxidation/etching treatment and sequential heat treatment in air. The as‐prepared double‐shelled Mn 2 O 3 hollow spheres consist of small nanoparticles with a size of ca. 50 nm, and there are many nanopores among the particles. As the double‐shelled Mn 2 O 3 hollow spheres were employed in water treatment, they could remove about 86 % of phenol without any other additives.

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