title: Hollow V₂O₅ Nanoassemblies for High-Performance Room-Temperature Hydrogen Sensors.
abstract: Nanostructured oxides with characteristic morphologies are essential building blocks for high-performance gas-sensing devices. We describe the high-yield fabrication of a series of functionalized V2O5 nanoassemblies through a facile polyol approach with specific varieties of polyvinylpyrrolidone. The synthesized V2O5 nanoassemblies consisting of tiny one-dimensional nanoblocks with the absence of any extrinsic catalysts exhibit distinct hemispherical or spherical hollow morphologies and operate as room-temperature hydrogen sensors with remarkable sensitivities and responses.
authors.affiliation: Department of Materials Science and Engineering, National Chiao Tung University, 1001 Ta-Hsueh Road, Hsin-Chu, Taiwan 30010, ROC.
authors.forename: Ying-Ting
authors.initials: YT
authors.lastname: Wang
authors.affiliation: Department of Materials Science and Engineering, National Chiao Tung University, 1001 Ta-Hsueh Road, Hsin-Chu, Taiwan 30010, ROC.
authors.forename: Wha-Tzong
authors.initials: WT
authors.lastname: Whang
authors.affiliation: Department of Materials Science and Engineering, National Chiao Tung University, 1001 Ta-Hsueh Road, Hsin-Chu, Taiwan 30010, ROC.
authors.forename: Chun-Hua
authors.initials: CH
authors.lastname: Chen
keywords: core−shell; nanoassembly; nanosensor; semisphere