Preparation of Al2O3 hollow microsphere via calcining carbon template and its adsorption application

Authors

Ying Zhang, Central South University
Xi Li, University of Wollongong, Australian Nuclear Science and Technology OrganisationFollow

RIS ID

137077

Publication Details

Zhang, Y. & Li, X. (2019). Preparation of Al2O3 hollow microsphere via calcining carbon template and its adsorption application. Chemical Physics Letters, 731 136589-1-136589-6.

Abstract

Carbon microsphere was synthesized from glucose via hydrothermal method, and then alumina hollow microsphere was prepared using carbon template. At reaction time of 6 h, the carbon sphere displayed uniform diameter of 800 nm. After removal of carbon core during calcination, it obtained 600 nm of γ-Al₂O₃ hollow sphere with shell thickness of 80 nm and surface area of 186 m²/g. For adsorption of methylene blue, material exhibited adsorption capacity of 26.5 ± 1.2 mg/g, fitting well with Langmuir isotherm. It is demonstrated that calcining carbon template was an effective and facile approach to obtain hollow sphere material.