Synthesis and characterization of the ZnO/SnO2 heterostructures obtained by hydrot...
| Full text | |
| Author(s): |
Catto, Ariadne C.
[1]
;
da Silva, Luis F.
[2]
;
Ribeiro, Caue
[3]
;
Bernardini, Sandrine
[4]
;
Aguir, Khalifa
[4]
;
Longo, Elson
[2]
;
Mastelaro, Valmor. R.
[1]
Total Authors: 7
|
| Affiliation: | [1] Univ Sao Paulo, Inst Fis Sao Carlos, BR-13566590 Sao Carlos, SP - Brazil
[2] Univ Estadual Paulista, Inst Quim, LIEC, BR-14800900 Araraquara, SP - Brazil
[3] Embrapa Instrumentacao, BR-13560970 Sao Carlos, SP - Brazil
[4] Aix Marseille Univ, CNRS, IM2NP, UMR7334, Marseille - France
Total Affiliations: 4
|
| Document type: | Journal article |
| Source: | RSC ADVANCES; v. 5, n. 25, p. 19528-19533, 2015. |
| Web of Science Citations: | 37 |
| Abstract | |
One-dimensional (1D) ZnO nanorod-like structures were successfully grown via a hydrothermal method to be used as an ozone gas sensor. X-ray diffraction measurements (XRD) and field-emission scanning electron microscopy (FE-SEM) analysis revealed a preferential growth of the nanorod-like structures along the {[}002] direction. Electrical resistance measurements indicated a good sensitivity to different ozone concentrations (0.06-1.19 ppm) as well as long-term stability over a 6 month period at 250 degrees C. In addition, it was observed that the nanorods had a good sensitivity to ozone at room temperature when the sensor was exposed to UV illumination. This study provides an easy and efficient way to obtain 1-D ZnO nanorods exhibiting remarkable properties for applications as ozone gas sensing materials. (AU) | |
| FAPESP's process: | 12/15170-6 - Synthesis and characterization of ZnO thin and thick films : application as gas sensors |
| Grantee: | Ariadne Cristina Catto |
| Support type: | Scholarships in Brazil - Doctorate |
| FAPESP's process: | 13/07296-2 - CDMF - Center for the Development of Functional Materials |
| Grantee: | Elson Longo da Silva |
| Support type: | Research Grants - Research, Innovation and Dissemination Centers - RIDC |
| FAPESP's process: | 13/09573-3 - Synthesis and characterization of the ZnO/SnO2 heterostructures obtained by hydrothermal method: gas sensor applications |
| Grantee: | Luís Fernando da Silva |
| Support type: | Scholarships in Brazil - Post-Doctorate |