TY - JOUR
T1 - Improving the Thermoelectric Properties of Polyaniline by Introducing Poly(3,4-ethylenedioxythiophene)
AU - Wang, Xiao Yang
AU - Liu, Cheng Yan
AU - Miao, Lei
AU - Gao, Jie
AU - Chen, Yu
N1 - Funding Information:
This work was supported by the National Natural Science Foundation of China (Grant Nos. 51572049, 51562005) and Guangxi Natural Science Foundation Program (2015GXNSFFA139002).
Publisher Copyright:
© 2015, The Minerals, Metals & Materials Society.
PY - 2016/3/1
Y1 - 2016/3/1
N2 - By using the parent monomers, 3,4-ethylenedioxythiophene and aniline, a series of nanocomposites consisting of different mass ratios of polyaniline (PANI) to poly(3,4-ethylenedioxythiophene) (PEDOT) have been successfully prepared in hydrochloric acid solution through oxidative polymerization, then redoped with p-toluenesulfonic acid (p-TSA). Firstly, PEDOT nanoparticles were fabricated via chemical oxidation polymerization in reverse (water-in-oil) microemulsions. Then, PANI-doped PEDOT nanoparticles were formed by oxidative polymerization of aniline to form PANI/PEDOT nanofibers. The resulting nanostructured components were characterized by scanning electron microscopy (SEM) and a series of spectroscopic methods. The presence of PEDOT increased the room-temperature electrical conductivity of the PANI/PEDOT nanocomposites by more than two orders of magnitude in comparison with the parent PANI. Moreover, the PANI/PEDOT nanocomposites showed better thermoelectric properties than PANI. Different concentrations of p-TSA also affected the electrical conductivity and Seebeck coefficient of the nanocomposites. With increasing temperature, both the electrical conductivity and Seebeck coefficient increased.
AB - By using the parent monomers, 3,4-ethylenedioxythiophene and aniline, a series of nanocomposites consisting of different mass ratios of polyaniline (PANI) to poly(3,4-ethylenedioxythiophene) (PEDOT) have been successfully prepared in hydrochloric acid solution through oxidative polymerization, then redoped with p-toluenesulfonic acid (p-TSA). Firstly, PEDOT nanoparticles were fabricated via chemical oxidation polymerization in reverse (water-in-oil) microemulsions. Then, PANI-doped PEDOT nanoparticles were formed by oxidative polymerization of aniline to form PANI/PEDOT nanofibers. The resulting nanostructured components were characterized by scanning electron microscopy (SEM) and a series of spectroscopic methods. The presence of PEDOT increased the room-temperature electrical conductivity of the PANI/PEDOT nanocomposites by more than two orders of magnitude in comparison with the parent PANI. Moreover, the PANI/PEDOT nanocomposites showed better thermoelectric properties than PANI. Different concentrations of p-TSA also affected the electrical conductivity and Seebeck coefficient of the nanocomposites. With increasing temperature, both the electrical conductivity and Seebeck coefficient increased.
KW - Polyaniline (PANI)
KW - poly(3,4-ethylenedioxythiophene) (PEDOT)
KW - thermoelectric properties
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U2 - 10.1007/s11664-015-4231-5
DO - 10.1007/s11664-015-4231-5
M3 - Article
AN - SCOPUS:84959457062
SN - 0361-5235
VL - 45
SP - 1813
EP - 1820
JO - Journal of Electronic Materials
JF - Journal of Electronic Materials
IS - 3
ER -