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Self-assembly of Polyaniline: Mechanism Study

Authors:	Shi-yan Song Li-jia Pan Yun Li Yi Shi Lin Pu Rong Zhang and You-dou Zheng

Institution:	National Laboratory of Solid State Microstructures, Nanjing Department of Physics, Nanjing University, Nanjing 210093, China,National Laboratory of Solid State Microstructures, Nanjing Department of Physics, Nanjing University, Nanjing 210093, China,National Laboratory of Solid State Microstructures, Nanjing Department of Physics, Nanjing University, Nanjing 210093, China,National Laboratory of Solid State Microstructures, Nanjing Department of Physics, Nanjing University, Nanjing 210093, China,National Laboratory of Solid State Microstructures, Nanjing Department of Physics, Nanjing University, Nanjing 210093, China,National Laboratory of Solid State Microstructures, Nanjing Department of Physics, Nanjing University, Nanjing 210093, China,National Laboratory of Solid State Microstructures, Nanjing Department of Physics, Nanjing University, Nanjing 210093, China

Abstract:	Anisotropic polyaniline (PAni) plates decorated with self-aligned nanofiber arrays were synthesized under the hydrothermal conditions. The formation mechanism of the self-assembled structures was investigated by studying the effect on PAni micro-structure with additive electrolyte in reaction system, and numerical simulation for dependence of systematic electrostatic energy on cross angles of self-assembled nanofiber arrays in grid textured PAni plates. It is proposed that the electrostatic interaction based on ionic doping charges plays an important role in the formation of the self-assembled PAni structures.

Keywords:	Polyaniline Self-assembly Ionic charge

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