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Some gas sensing properties of PbS thin films | ||
| Iraqi Journal of Physics | ||
| Article 1, Volume 9, Issue 15, 2011, Pages 63-67 | ||
| Authors | ||
| Resoul H.Mukalaf; ; Ahmed . A. hamad; Ashwaq .A.jabor; Morooj.A. Abood | ||
| Abstract | ||
| In this research PbS thin film have been prepared by chemical bath deposition technique (CBD).The PbS film with thickness of (1-1.5)μm was thermally treated at temperature of 100°C for 4 hours. Some Structural characteristics was studied by using X-ray diffraction (XRD)and optical microscope photograph some of chemical gas sensing measurements were carried out ,it shown that the sensitivity of (CO2) gas depend on the grain Size and deposition substrate. The grain size of PbS film deposited on on glass closed to 21.4 nm while 37.97nm for Si substrate. The result of current-voltage characterization shwon the sensitivity of prepared film deposited on Si better than film on glass. | ||
| Keywords | ||
| Gas Sensing; PbS thin films | ||
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