Abstract
In this work, polyaniline (PANI) is synthesized via oxidative polymerization of aniline and purified using organic solvents where the emeraldine phase is isolated by employing a phase separation system. The above contributes to the increase in the percentage yield compared to previous works and the possibility of being used as a single phase. In addition, the PANI/AgNPs composite is prepared in situ at the polymerization of aniline, adding silver nitrate and glycine to create the AgNPs inside the PANI matrix by controlling the pH, temperature, time of reaction and incorporating a new purification technique.
Highlights
Polyaniline (PANI), a derivative of polyphenylene vinylene (PPV), belongs to a class of materials known as conducting polymers, combines the electronic and optical properties of some organic semiconductors and metals with the processing advantages of polymers [1]
PANI was successfully prepared via oxidative polymerization at the molar ratio of the oxidant
PANI was successfully prepared via oxidative polymerization at the molar ratio of the oxidant to aniline of 1.25, controlling pH and temperature, and it was characterized for its chemical, optical, to aniline of 1.25, controlling pH and temperature, and it was characterized for its chemical, optical, thermal and microstructural properties
Summary
Polyaniline (PANI), a derivative of polyphenylene vinylene (PPV), belongs to a class of materials known as conducting polymers, combines the electronic and optical properties of some organic semiconductors and metals with the processing advantages of polymers [1]. That employ purification such as Soxhlet extraction [15] and precipitation–redispersion [16] that employ organic organic solvents. These purification of organicregularly materials regularly require of thethe solution solvents. PANI is insoluble in a great number of organic solvents. The transition between the different phases of PANI causes a strong color change from colorless from colorless to violet or from blue to green [15]. We report a single phase of emeraldine base composite that optimizes oxidative polymerization. We report a single phase of emeraldine base with a high percentage yield, for which a new purification process was implemented.
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