General Synthesis and Gas‐Sensing Properties of Multiple‐Shell Metal Oxide Hollow Microspheres

A sphere of many coats: A facile sequential templating process for the general preparation of metal oxide hollow microspheres with multiple shells (red), such as α-Fe2O3, Co3O4, NiO, CuO, ZnO, and ZnFe2O4, may open up new opportunities for preparing advanced materials based on complex hollow structures with multipurpose applications. Detailed facts of importance to specialist readers are published as ”Supporting Information”. Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.