Details

Autor(en) / Beteiligte

• Patil, S.V.
• Deshmukh, P.R.
• Lokhande, C.D.

Titel

Fabrication and liquefied petroleum gas (LPG) sensing performance of p-polyaniline/n-PbS heterojunction at room temperature

Ist Teil von

• Sensors and actuators. B, Chemical, 2011-08, Vol.156 (1), p.450-455

Ort / Verlag

Elsevier B.V

Erscheinungsjahr

2011

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• In the present work, we report the fabrication and liquefied petroleum gas (LPG) sensing performance of p-polyaniline/n-PbS heterojunction at room. The p-polyaniline/n-PbS heterojunction was fabricated by electrodepositing polyaniline on predeposited PbS thin film by chemical bath deposition. The PbS and polyaniline films were characterized for their structural as well as surface morphological analyses. The XRD analyses revealed that PbS thin film is polycrystalline whereas polyaniline exhibited amorphous nature. The scanning electron micrographs of PbS film showed the formation of compact and well covered nanograins whereas, polyaniline has interconnected fuzzy nanofibrous architecture. Room temperature LPG response of heterojunction in forward biased condition showed the maximum response up to 70% at 0.06 vol.% of LPG.