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Journal of Engineering
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2014
/
Article
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Fig 4
/
Research Article
Humidity Sensing Properties of Surface Modified Polyaniline Metal Oxide Composites
Figure 4
Showing the SEM image of (a) PANI, (b) Pr
2
O
3
, and (c) PANI-Pr
2
O
3
composites (30 wt%).
(a)
(b)
(c)