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Study of Chemical Gas Sensing and IR Detector Properties of Lead Chalcogenid | ||
| Al-Mustansiriyah Journal of Science | ||
| Article 1, Volume 22, Issue 5, 2011, Pages 233-242 | ||
| Author | ||
| Morooj A. Abood | ||
| Abstract | ||
| Fabrication and studying detecting characteristics of PbS and PbSe by chemical path deposition over Si and glass substrate at thickness (1-1.2m). These deposition were plasticized from the degree 300K to 335K. X-Rays analyses (XRD) have illustrated that the structure of the deposition film at room temperature Ts 300K and 335K is polycrystalline. Optical properties studied by FTIR, UV/VIS/NIR absorption. The results show that the films structural and optical properties are influenced by kind and temperature of substrate. The characteristics of the current and voltage were studied on Si and glass substrate at Ts 300K and 335K. Responstivity were studied for the detector PbSe ,PbS as a function to the wavelength , and it found that is increased with Ts increment. The films exhibited as a good sensitivity to the CO2 gas with more response-recovery characteristics. | ||
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