title: Hierarchical mesoporous silica nanotubes derived from natural cellulose substance.
abstract: Bioinspired synthesis of hierarchical mesoporous silica nanotubes by using natural cellulose substance (filter paper) and cetyltrimethylammonium bromide (CTAB) micelles as dual templates was achieved. CTAB micelles were adsorbed onto the surfaces of ultrathin titania film precoated cellulose nanofibers, followed by hydrolysis and condensation of tetraethyl orthosilicate around these micelles to form silica. After calcination and sulfuric acid treatment to remove the organic templates and the thin titania film, bulk white sheets composed of natural hierarchical silica nanotubes with mesopores in the walls were obtained, to which silver nanoparticles were further induced to give a silica-nanotube/metal-nanoparticle hybrid.
authors.affiliation: Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, China.
authors.forename: Yanhua
authors.initials: Y
authors.lastname: Zhang
authors.forename: Xiaoyan
authors.initials: X
authors.lastname: Liu
authors.forename: Jianguo
authors.initials: J
authors.lastname: Huang
mesh_terms: D002482:Cellulose / Q000737:chemistry*; D000077286:Cetrimonium; D002593:Cetrimonium Compounds / Q000737:chemistry; D006868:Hydrolysis; D053768:Metal Nanoparticles / Q000737:chemistry; D008823:Micelles; D043942:Nanotubes / Q000737:chemistry* / Q000648:ultrastructure; D016062:Porosity; D012822:Silicon Dioxide / Q000737:chemistry*; D013464:Sulfuric Acids / Q000737:chemistry
chemical_list: D002593:Cetrimonium Compounds; D008823:Micelles; D013464:Sulfuric Acids; D012822:Silicon Dioxide; D002482:Cellulose; C033158:sulfuric acid; D000077286:Cetrimonium