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Polyaniline Films Fabricated by Pre-Nucleation Electrodeposition Method with High Electrochemical Activity: Parameter Optimization and Analysis
Macromolecular Chemistry and Physics ( IF 2.5 ) Pub Date : 2023-09-23 , DOI: 10.1002/macp.202300333
Tianxu Wang 1 , Lei Wang 1 , Yuanze Chen 1 , Lijie Zhu 1 , Mingqing Yang 1 , Shiyu Zhang 1 , Chunhui Niu 1 , Yong Lv 1
Macromolecular Chemistry and Physics ( IF 2.5 ) Pub Date : 2023-09-23 , DOI: 10.1002/macp.202300333
Tianxu Wang 1 , Lei Wang 1 , Yuanze Chen 1 , Lijie Zhu 1 , Mingqing Yang 1 , Shiyu Zhang 1 , Chunhui Niu 1 , Yong Lv 1
Affiliation
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Electrochromic polyaniline (PANI) films with high electrochemical performance have been intensively pursued for their potential applications in various fields. Here, the growth process of the PANI films synthesized by the pre-nucleation electrodeposition method is analyzed and the optimal parameters with highest electrochemical activity are obtained. The PANI film fabricated under high current density of 10 mA cm−2 and impact time of 0.2 s shows the best electrochemical performance. It has a maximum active charge of 22.3 mC cm−2. The optimum electrochemical performance is attributed to the loose and porous structure. The PANI films fabricated under the optimal parameters also show the flattest structure and the smooth surface. It concludes a universal evaluation basis of the optimal conditions for the pre-nucleation method. That is, in the nucleation stage, the potential curve shall peak rapidly and then fall slowly to the valley without any upward growth; when entering into the low current density growth stage, the potential shall fall rapidly to a certain value and grow at that potential smoothly. This work evokes a deeper understanding and controlling of the growth process of polymers.
中文翻译：
预成核电沉积法制备高电化学活性聚苯胺薄膜：参数优化与分析
具有高电化学性能的电致变色聚苯胺（PANI）薄膜因其在各个领域的潜在应用而受到广泛关注。本文对预成核电沉积法合成的PANI薄膜的生长过程进行了分析，得到了具有最高电化学活性的最佳参数。在10 mA cm -2的高电流密度和0.2 s的冲击时间下制备的PANI薄膜表现出最好的电化学性能。其最大活性电荷为22.3 mC cm -2。最佳的电化学性能归因于疏松和多孔的结构。在最佳参数下制备的PANI薄膜也表现出最平坦的结构和光滑的表面。得出了预成核方法最佳条件的通用评价依据。即在成核阶段，电势曲线迅速达到峰值，然后缓慢下降至谷底，没有任何向上增长；当进入低电流密度生长阶段时，电位会迅速下降到某一值，并在此电位下平稳生长。这项工作唤起了人们对聚合物生长过程的更深入的理解和控制。
更新日期：2023-09-23
中文翻译：
预成核电沉积法制备高电化学活性聚苯胺薄膜：参数优化与分析
具有高电化学性能的电致变色聚苯胺（PANI）薄膜因其在各个领域的潜在应用而受到广泛关注。本文对预成核电沉积法合成的PANI薄膜的生长过程进行了分析，得到了具有最高电化学活性的最佳参数。在10 mA cm -2的高电流密度和0.2 s的冲击时间下制备的PANI薄膜表现出最好的电化学性能。其最大活性电荷为22.3 mC cm -2。最佳的电化学性能归因于疏松和多孔的结构。在最佳参数下制备的PANI薄膜也表现出最平坦的结构和光滑的表面。得出了预成核方法最佳条件的通用评价依据。即在成核阶段，电势曲线迅速达到峰值，然后缓慢下降至谷底，没有任何向上增长；当进入低电流密度生长阶段时，电位会迅速下降到某一值，并在此电位下平稳生长。这项工作唤起了人们对聚合物生长过程的更深入的理解和控制。
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