Liu Zhaoyang, Chen Zongping, Wang Can, Wang Hai I, Wuttke Michael, Wang Xiao-Ye, Bonn Mischa, Chi Lifeng, Narita Akimitsu, Müllen Klaus
Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany.
Jiangsu Key Laboratory for Carbon Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, P. R. China.
J Am Chem Soc. 2020 Oct 21;142(42):17881-17886. doi: 10.1021/jacs.0c06109. Epub 2020 Oct 6.
Bottom-up-synthesized graphene nanoribbons (GNRs) with excellent electronic properties are promising materials for energy storage systems. Herein, we report GNR films employed as electrode materials for micro-supercapacitors (MSCs). The micro-device delivers an excellent volumetric capacitance and an ultra-high power density. The electrochemical performance of MSCs could be correlated with the charge carrier mobility within the differently employed GNRs, as determined by pump-probe terahertz spectroscopy studies.
具有优异电子性能的自下而上合成的石墨烯纳米带（GNRs）是储能系统中有前景的材料。在此，我们报道了用作微型超级电容器（MSCs）电极材料的GNR薄膜。该微型器件具有优异的体积电容和超高功率密度。通过泵浦-探测太赫兹光谱研究确定，MSCs的电化学性能可能与不同使用的GNRs内的电荷载流子迁移率相关。
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