Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 10, Issue 12, Pages 10437-10444Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.7b19635
Keywords
conducting polymer; graphene; gel; direct ink writing; interdigital electrode
Funding
- National Key R & D Project of China [2017YFA0204902]
- National Natural Science Foundation of China [21774104, 21503179, 21673195, 21703188, 21503178]
- Fundamental Research Funds for the Central Universities (Xiamen University) [20720170035]
- Young Thousand Talent Project of China
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We apply direct ink writing for the three-dimensional (3D) printing of polyaniline/reduced graphene oxide (PANI/RGO) composites with PANI/graphene oxide (PANI/GO) gel as printable inks. The PANI/GO gel inks for 3D printing are prepared via self assembly of PANI and GO in a blend solvent of N-methyl-2-pyrrolidinone and water, and offer both shaping capability, self-sustainability, and electrical conductivity after reduction of GO. PANI/RGO interdigital electrodes are fabricated with 3D printing, and based on these electrodes, a planar solid-state supercapacitor is constructed, which exhibits high performance with an areal specific capacitance of 1329 mF cm(-2). The approach developed in this work provides a simple, economic, and effective way to fabricate PANI-based 3D architectures, which leads to promising application in future energy and electric devices at micro-nano scale.
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