Aslam, M. ; Chaudhary, V. A. ; Mulla, I. S. ; Sainkar, S. R. ; Mandale, A. B. ; Belhekar, A. A. ; Vijayamohanan, K. (1999) A highly selective ammonia gas sensor using surface-ruthenated zinc oxide Sensors and Actuators A: Physical, 75 (2). pp. 162-167. ISSN 0924-4247
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0924-4247(99)00050-3
Abstract
Preparation and characterisation of a highly selective surface-ruthenated zinc oxide sensor for ammonia in trace levels is demonstrated. The introduction of some RuO linkages on the surface of ZnO leads to a dramatic enhancement in the sensitivity (S) to 1000 ppm level of ammonia at 300°C (S=440) as compared to the similar response obtained for pure ZnO (S=1.5). A systematic study using various characterisation techniques such as EDAX, SEM, CV and XPS indicates the key role played by the amount and distribution of Ru species on the surface.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Ammonia Gas Sensor; Surface-Ruthenated Zinc Oxide; Ammonia |
| ID Code: | 68880 |
| Deposited On: | 07 Nov 2011 05:07 |
| Last Modified: | 07 Nov 2011 05:07 |
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