Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7149007 | Sensors and Actuators B: Chemical | 2013 | 8 Pages |
Abstract
In this work, flower-like In2O3 hierarchical microspheres were successfully synthesized by a facile hydrothermal then sinter process with the help of surfactant sodium dodecyl sulfonate. The as-synthesized samples were characterized using X-ray powder diffraction (XRD), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), and high-resolution transmission electron microscopy (HRTEM). The results revealed that In2O3 microspheres are built from nanosheets. These sheets, analogous to a chrysanthemum, are aligned to the spherical surface, pointing toward a common center. The sensing performance of the as-obtained In2O3 for NO2 was evaluated at 150 °C. The results revealed that the novel In2O3 exhibited good gas-sensing properties, indicating its practical potential for detecting NO2 of ppb levels.
Related Topics
Physical Sciences and Engineering
Chemistry
Analytical Chemistry
Authors
Xiumei Xu, Peilu Zhao, Dawei Wang, Peng Sun, Lu You, Yanfeng Sun, Xishuang Liang, Fengmin Liu, Hong Chen, Geyu Lu,