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Self-assembly of Polyaniline: Mechanism Study
Shi-yan Song, Li-jia Pan, Yun Li, Yi Shi*, Lin Pu, Rong Zhang, You-dou Zheng
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.
Key words:  Polyaniline, Self-assembly, Ionic charge
FundProject:国家自然科学基金 (Grants Nos. 10574062, 90606021 and 60676006)
Self-assembly of Polyaniline: Mechanism Study
宋时彦, 潘力佳, 李昀, 施毅*, 濮林, 张荣, 郑有炓
南京大学固体微结构国家实验室,江苏省光电功能材料重点实验室,物理学系,南京210093
摘要:
在水热环境下合成出\掺杂电荷诱导自组装纳米纤维阵列结构的聚苯胺平板,并通过一系列设计实验研究了这种自组装微观结构的形成机理,例如在反应溶液中引入不参与反应、对电荷组装起干扰作用的电解质,以及用计算模拟体系静电能与纳米纤维阵列夹角的相互关系等实验.实验结果发现,由掺杂离子引起的静电相互作用在形成聚苯胺自组装结构的过程中起了重要的作用.
关键词:  聚苯胺,自组装,掺杂离子,电荷
DOI:10.1088/1674-0068/21/02/187-192
分类号: