Hierarchically Porous Polyaniline Exhibiting Enhanced Pseudocapacitive Property from Copolymerization of Aniline and Tetrakis(4-aminophenyl)methane.

Jinsoon Choi, Kyeong Eun Yeo, Ji-Woong Park

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Article in Polymers, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

3 authors.

Jinsoon ChoiDepartment of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagiro, Gwangju 61005, Republic of Korea.

Kyeong Eun YeoDepartment of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagiro, Gwangju 61005, Republic of Korea.

Ji-Woong ParkDepartment of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagiro, Gwangju 61005, Republic of Korea.

Funding

National Research Foundation of Korea NRF-2016R1E1A1A01943257; NRF-2021R1A2C2011530

6 · The paper itself

Abstract

Hierarchically porous polyaniline (PANI) was synthesized by oxidative copolymerization of tetrakis(4-aminophenyl)methane (TA) and aniline. Mixing TA with ammonium persulfate (APS) followed by aniline addition generated both tetra-arm star-shaped and linear PANIs; their insolubility in the reaction medium led to aggregation into solid precipitates. During assembly, linear PANI formed nanofibers, while star-shaped PANI created short branches on the nanofiber surfaces. The TA molar fraction in the feed governed morphology and properties: higher TA increased specific surface area and the mesopore fraction but decreased electrical conductivity. Balancing this porosity-conductivity trade-off identified PANI (TA 3%) as optimal, exhibiting the highest CV current response with pseudocapacitive profiles, with a specific capacitance of 556 F g

Indexed as

conducting polymershierarchical porosityoxidative polymerizationpolyanilinesupercapacitor

Identifiers

PMID41304428

DOI10.3390/polym17223062

PMCPMC12656649

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