Wang* X, Liu J, Xu Z, Li J. A Facile Route to Prepare Hollow SiO2 Spheres Decorated with NiO Nanoparticles. ajc [Internet]. 2011 Jan. 31 [cited 2024 Nov. 23];23(5):2335-8. Available from: https://asianpubs.org/index.php/ajchem/article/view/10385