Polyaniline inside the pores of high surface area mesoporous silicon as composite electrode material for supercapacitors.

ABSTRACT: Mesoporous silicon (mSi) obtained by the magnesiothermic reduction of mesoporous silica was used to deposit polyaniline (PANI) in its pores, the composite was tested for its charge storage application for high performance supercapacitor electrodes. The mesoporous silica as confirmed by Small Angle X-ray Scattering (SAXS) has a Brunauer-Emmett-Teller (BET) surface area of 724 m²g^-1 and mean pore size of 5 nm. After magnesiothermic reduction to mSi, the BET surface area is reduced to 348 m²g^-1 but the mesoporousity is retained with a mean pore size of 10 nm. The BET surface area of mesoporous silicon is among the highest for porous silicon prepared/reduced from silica. In situ polymerization of PANI inside the pores of mSi was achieved by co

SUBMITTER: Nawaz S 

PROVIDER: S-EPMC9185315 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature