p–n Heterojunction formation in polyaniline–SnO2 organic–inorganic hybrid composite materials leading to enhancement in sensor functionality toward benzene and …
C Murugan, E Subramanian, DP Padiyan - Synthetic metals, 2014 - Elsevier
Organic–inorganic hybrid composite (OIHC) materials were synthesized through physical
grinding of conducting p-polyaniline and n-SnO 2 with different weight%. Characterization
by FT-IR, XRD, SEM and AC impedance studies revealed a mutual interaction and formation
of p–n heterojunctions. In N 2 atmosphere OIHC materials had enhancement in sensor
functionality toward benzene and toluene vapors at room temperature. Good correlation
existed between number of p–n heterojunctions and sensor efficiencies. An optimized …
grinding of conducting p-polyaniline and n-SnO 2 with different weight%. Characterization
by FT-IR, XRD, SEM and AC impedance studies revealed a mutual interaction and formation
of p–n heterojunctions. In N 2 atmosphere OIHC materials had enhancement in sensor
functionality toward benzene and toluene vapors at room temperature. Good correlation
existed between number of p–n heterojunctions and sensor efficiencies. An optimized …
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