Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 159, Issue 1, Pages 245-250Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2011.06.080
Keywords
ZnSnO3; Hydrothermal synthesis; Hydrogen sulfide; Gas sensor
Funding
- National Natural Science Foundation of China [50832001, 50902057, 20773043, 51002014, 51002061]
- Program for Changjiang Scholars and Innovative Research Team in University (PCSIRT)
- Fundamental Research Funds for Jilin University [450060323432, 450060441010, 450060445440]
- MOE [200801830025]
- Jilin University, China
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Cubic ZnSnO3 nanocages, a geometrical cube-shape with a hierarchical structure composed of small nanoparticles as secondary units, are successfully synthesized via a facile hydrothermal process. These ZnSnO3 nanocages have hollow interiors and good-permeation surfaces, and are used for detecting different gases such as ethanol (C2H5OH), formaldehyde (HCHO), and hydrogen sulfide (H2S). These ZnSnO3 nanocages show good response, selectivity, response and recovery characteristics to H2S. It is found that ZnSnO3 nanocages have a response of 17.6-50 ppm H2S at the optimal operating temperature of 310 degrees C and the response time is shorter than 20s. (C) 2011 Elsevier B.V. All rights reserved.
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