Hierarchical strontium carbonate submicron spheres self‐assembled under hydrothermal conditions

Abstract

Uniform hierarchical strontium carbonate (SrCO 3 ) submicron spheres bearing detectable cavities on the surfaces and porous structures within the body were efficiently obtained, by a facile hydrothermal treatment (190 ºC, 12 h) of the room temperature precipitate derived from Na 2 CO 3 and SrCl 2 solution. MgCl 2 and ethylene diamine tetraacetic acid (EDTA) disodium salt were used as the additives. The as-obtained submicron spheres were self-assembled by crystalline SrCO 3 nanoparticles under hydrothermal conditions. The present hydrothermally synthesized hierarchical SrCO 3 submicron spheres would enlarge the potentials of SrCO 3 micro-/nanostructures in the hierarchical architectures and porous materials family for further applications in the fields of catalysis, composites, adsorbents, and devices, etc.

Studies on fabrication of urchin‐like WO3·H2O hollow spheres and their photocatalytic properties

“…This promise has motivated intense research efforts by many research groups seeking to develop both specific and general strategies for preparing hollow micro/nanostructures. Due to their special properties, many synthesis methods for hollow materials have been developed, which may be generally separated into those using a template and template‐free ones. Both approaches are convenient and have been widely used to fabricate hollow materials, promoting the recent development of this area.…”