Characterization of Aniline Tetramer by MALDI TOF Mass Spectrometry upon Oxidative and Reductive Cycling
AbstractBy combining electrochemical experiments with mass spectrometric analysis, it is found that using short chain oligomers to improve the cycling stability of conducting polymers in supercapacitors is still problematic. Cycling tests via cyclic voltammetry over a potential window of 0 to 1.0 V or 0 to 1.2 V in a two-electrode device configuration resulted in solid-state electropolymerization and chain scission. Electropolymerization of the aniline tetramer to generate long chain oligomers is shown to be possible despite the suggested decrease in reactivity and increase in intermediate stability with longer oligomers. Because aniline oligomers are more stable towards reductive cycling when compared to oxidative cycling, future conducting polymer/oligomer-based pseudocapacitors should consider using an asymmetric electrode configuration. View Full-Text
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Li, R.L.; Lin, C.-W.; Shao, Y.; Chang, C.W.; Yao, F.-K.; Kowal, M.D.; Wang, H.; Yeung, M.T.; Huang, S.-C.; Kaner, R.B. Characterization of Aniline Tetramer by MALDI TOF Mass Spectrometry upon Oxidative and Reductive Cycling. Polymers 2016, 8, 401.
Li RL, Lin C-W, Shao Y, Chang CW, Yao F-K, Kowal MD, Wang H, Yeung MT, Huang S-C, Kaner RB. Characterization of Aniline Tetramer by MALDI TOF Mass Spectrometry upon Oxidative and Reductive Cycling. Polymers. 2016; 8(11):401.Chicago/Turabian Style
Li, Rebecca L.; Lin, Cheng-Wei; Shao, Yuanlong; Chang, Che W.; Yao, Fu-Kai; Kowal, Matthew D.; Wang, Haosen; Yeung, Michael T.; Huang, Shu-Chuan; Kaner, Richard B. 2016. "Characterization of Aniline Tetramer by MALDI TOF Mass Spectrometry upon Oxidative and Reductive Cycling." Polymers 8, no. 11: 401.
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