Synthesis of new organic semiconductors based on poly(2‐anilinoethanol) doped with different acids and investigation of their electro‐optical properties

Polymer Engineering and Science

Abstract

Abstract The polyaniline (PANI) was synthesized using different dopant acids (iminodiacetic, methanesulfonic, phosphoric, and boron trifuoride) using oxidative polymerization method. These obtained new polymers were characterized by using spectrophotometric methods such as FTIR, UV–vis. The calculated value of the optical energy gap for the doped investigated polymer was reached to 3.70 eV for PANI‐OH doped by boron trifuoride. The conductivity of the polymers was also investigated. The direct current (dc) conductivity as a function of temperature for the doped polymers has been studied. The results show increase in the conductivity with increase in temperature. Also, the value of dc conductivity at room temperature was found to be greater than that of the undoped PANI by nearly one to four orders of magnitude with respect to the used dopant acid. POLYM. ENG. SCI., 2013. © 2012 Society of Plastics Engineers

Keywords

Materials science Dopant Methanesulfonic acid Conductivity Polymer Polymerization Doping Polyaniline Conductive polymer Boron Fourier transform infrared spectroscopy Chemical engineering Polymer chemistry Analytical Chemistry (journal) Composite material Organic chemistry Physical chemistry Optoelectronics Chemistry

Subject Areas

Conducting polymers and applications ·Polymers and Plastics ·Physical Sciences

Organic Electronics and Photovoltaics ·Electrical and Electronic Engineering ·Physical Sciences

Analytical Chemistry and Sensors ·Bioengineering ·Physical Sciences

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Synthesis of new organic semiconductors based on poly(2‐anilinoethanol) doped with different acids and investigation of their electro‐optical properties

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