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General Interfacial Self‐Assembly Engineering for Patterning Two‐Dimensional Polymers with Cylindrical Mesopores on Graphene
Posted:2019-05-29 08:33    Column:2019

H. Tian, J.Q. Qin, D. Hou, Q. Li, C. Li, Z.-S. Wu*, Y.Y. Mai*

Angewandte Chemie 2019, 131, 10279-10284.

DOI: 10.1002/anie.201903684 [PDF]

Free‐standing 2D porous nanomaterials have attracted considerable interest as ideal candidates of 2D film electrodes for planar energy storage devices. Nevertheless, the construction of well‐defined mesopore arrays parallel to the lateral surface, which facilitate fast in‐plane ionic diffusion, is a challenge. Now, a universal interface self‐assembly strategy is used for patterning 2D porous polymers, for example, polypyrrole, polyaniline, and polydopamine, with cylindrical mesopores on graphene nanosheets. The resultant 2D sandwich‐structured nanohybrids are employed as the interdigital microelectrodes for the assembly of planar micro‐supercapacitors (MSCs), which deliver outstanding volumetric capacitance of 102 F cm−3and energy density of 2.3 mWh cm−3, outperforming most reported MSCs. The MSCs display remarkable flexibility and superior integration for boosting output voltage and capacitance.

Dalian Institute of Chemical Physics, CAS
457 Zhongshan Road Dalian, China 116023
E-mail: wuzs@dicp.ac.cn

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