image: This is a schematic representation of the formation process through evaporation-driven oriented assembly. This material relates to a paper that appeared in the May 8, 2015, issue of Science, published by AAAS. The paper, by Y. Liu at Fudan University in Shanghai, China, and colleagues was titled, "Radially oriented mesoporous TiO2 microspheres with single-crystal-like anatase walls for high-efficiency optoelectronic devices." view more
Credit: [Credit: Preiss <i>et al.</i> Sci. Adv. 2015;1:e1500106]