Biotemplate-SnO_2 particles intercalated PANI matrix: Enhanced photo catalytic activity for degradation of MB and RY-15 dye

摘要

New biotemplate material with SnO_2 particles intercalated to polyaniline (PANI) matrix was synthesized via two step methods. Biotemplate (CS)-SnO_2 particles were prepared by chemical precipitation method and effectively assembled on PANI matrix by in-situ chemical oxidative polymerization method. The amine, imine and hydroxyl functional groups of chitosan-SnO_2 intercalated PANI was characterized by FTIR spectroscopy. The nanocomposites of fibrous structures collapsed with sphere like structure analyzed from HR-SEM with EDAX. TEM analysis reveals that existence of the formed nanocomposites with size ～8.46-11.34 nm and the surface area of BSP-0.75 nanocomposites were observed as ～147.13 m~2/ g using BET analysis. Thermal stability of biotemplate based SnO_2 intercalated PANI was higher than that of CS-PANI composite. The results demonstrate that biotemplate-SnO_2 intercalated PANI matrix has better reinforced effect compared to other three components. Therefore, Biotemplate based SnO_2 particles intercalated to PANI matrix act as an efficient photo catalyst for the degradation of methylene blue and reactive yellow 15 dye under direct sunlight irradiation.