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因為比較急,所以拜托各位大神了,小女子在此謝過!!
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As the electron donating ability of arylamine enhances with the increasing conjugation degree,the direc-tion of charge rearrangement is supposed to be from the N (in TPA) to adjacent C atoms, resulting in electron-rich character-istic of C and downward BE positions. The intensified shake-up satellite is attributed to the enhanced delocalization of the π electron associated with the stronger charge transfer transition after grinding. As TPA is electroactive, we investigated the electrochemical characteristics of DMCS-TPA, and observed the intriguing electrochromic behaviour from its homopolymer. DMCS-TPA can be successfully polymerized via electro-synthesis, which is an effective approach for preparing cross-linked films directly onto a conducting substrate. Fig. 7(a) shows the cycle voltam-metry polymerization spectra of DMCS-TPA on the ITO elec-trode. The CV traces show two oxidation peaks at 0.96 and 1.32V and corresponding reduction peaks at 0.86 V and 1.04 V,respectively. Under repeated scanning, the oxidation currents at 0.96 V gradually raised, suggesting the growth of the conducting polymer film. The slight increase in the peak potential is attributed to the increase of resistance as the film thickening.The surface morphology of the film prepared through constant potential polymerization is depicted in the inset of Fig. 7(a). |
至尊木蟲 (知名作家)
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隨著共軛程度芳基胺的供電子能力也增強,電荷重排的方向應是從N(在TPA)到相鄰的C原子,從而使C具有富含電子的特性并朝向下的BE位置。加強的振激衛(wèi)星峰歸因于與研磨后強電荷轉移相關聯(lián)的π電子的離域增強。 由于TPA的電活性,我們研究了DMCS-TPA的電化學特性,并從它的同聚體觀察到有趣的電致變色特性。DMCS-TPA能夠通過電合成成功地聚合而成,這是一種制備薄膜直接交聯(lián)到導電基體上的有效方法。圖7(a)顯示了DMCS-TPA的在ITO電極上的循環(huán)伏安法聚合譜。該CV(循環(huán)伏安法)的跡線分別顯示了在0.96和1.32V的兩個氧化峰和在0.86 V和1.04 V的還原峰。重復掃描掃描時,在0.96伏的氧化電流逐漸升高,表明聚合膜的導電性性增高。峰電位的輕微增加歸因于雖膜厚度增加而使電阻增加。通過恒電位聚合制得的膜的表面形態(tài)見于圖7(a)中的插圖. |
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