Acidified polyaniline is a kind of humidity sensing material which has promising application

zeolite molecular sieve has function of ion exchange and huge specific surface area. Mix zeolite molecular sieve in polyaniline

which can enhance its capacity to absorb moisture and carrier mobility

and then improve humidity sensing properties. Compound zeolite molecular sieve by method of structure-directing

mixed with acidified polyaniline

and measure humidity sensitive properties of composites. Compared with pure PANI

composites have better sensitivity at range of low humidity.