Recently, investigation on morphology of mesoporous silica has attracted considerable attention. For many applications, these mesoporous materials should be controlled not only on the nanometer scale of the pore structure but also on the micrometer scale of the morphology. A diversity of mesoporous silica with defined morphology, like films, spheres, fibers or tubules, has been demonstrated. Due to the combination of ordered mesopores and high aspect ratio, hollow or solid fibers are particularly interestin...