Strong Electronic Coupling of Graphene Nanoribbons onto Basal Plane of a Glassy Carbon Electrode

Strong Electronic Coupling of Graphene Nanoribbons onto Basal Plane of a Glassy Carbon Electrode
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石墨烯纳米带在玻碳电极基面上的强电子耦合

DOI:
10.1021/acsaelm.0c00978
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发表时间:
2021
影响因子:
4.7
通讯作者:
Glusac, Ksenija D.
Glusac, Ksenija D.
中科院分区:
材料科学3区
文献类型:
--
作者:
Zoric, Marija R.;Askins, Erik J.;Qiao, Xiaoxiao;Glusac, Ksenija D.

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将分子基序接枝到导电碳上代表了一种很有前途的方法,可以用来改进用于电催化的杂化材料。在这里,我们利用π-π堆积作用研究了沉积在玻碳电极上的石墨烯纳米带的电化学行为。利用纳米带边缘的联嘧啶基团作为质子耦合电子转移化学的报告者,我们说明了对沉积的纳米带进行简单的电化学处理可以生成一种与导电载体具有强电子通信的杂化材料。这项工作展示了一种修饰碳材料基面的策略,并通过GNR的N-官能团的配位为结合催化金属中心提供了一个潜在的平台。
The grafting of molecular motifs to the conductive carbon represents a promising approach toward improved hybrid materials for electrocatalytic applications. Here, we investigate the electrochemical behavior of graphene nanoribbons (GNR) deposited onto a glassy carbon electrode using π–π stacking interactions. Using the bipyrimidine moiety on the nanoribbon edges as a reporter of the proton-coupled electron transfer chemistry, we illustrate that the simple electrochemical treatment of as-deposited nanoribbon generates a hybrid material that is in strong electronic communication with the conductive support. This work shows a strategy for modifying the basal plane of carbon materials and provides a potential platform for the incorporation of catalytic metal sites via coordination through the N-functionalities of GNR.
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