The Fabrication of Amine‐Incorporated Zinc Complex/Carbon Dot Composite Electrodes Using Gamma Irradiation for High‐Performance Supercapacitors

Author:

Phetcharee Kulpriya1,Jorn‐am Thanapat1,Pholauyphon Wasinee1,Kwamman Tanagorn2,Sirisit Natee1,Manyam Jedsada3,Chanthad Chalathorn3,Paoprasert Peerasak14ORCID

Affiliation:

1. Department of Chemistry Faculty of Science and Technology Thammasat University Pathum Thani 12120 Thailand

2. Thailand Institute of Nuclear Technology Ongkharak Nakhon Nayok 26120 Thailand

3. National Nanotechnology Center (NANOTEC) National Science and Technology Development Agency (NSTDA) Pathum Thani 12120 Thailand

4. Center of Excellence on Petrochemical and Materials Technology Chulalongkorn University Bangkok 10330 Thailand

Abstract

AbstractNovel amine‐incorporated zinc complex/carbon dots composites were created and used as supercapacitor electrode materials in this study. By using a one‐step gamma irradiation, the amine‐incorporated zinc complex/carbon dots composites were prepared from zinc acetate dihydrate, ethylenediamine, and carbon dots. The impacts of ethylenediamine and carbon dots on the performance of the supercapacitor were examined. The highest specific capacitance obtained in this work was 179.9 F g−1 along with an excellent 91 % capacitance retention after 10,000 cycles. To clarify the mechanistic insights on the improved supercapacitor performance, an electrochemical analysis was performed, and it was found that amine incorporation improved the diffusion process of charge transfer, which led to better charge storage and higher capacitance. We have demonstrated that gamma irradiation is a simple and efficient method for creating electro‐active materials based on amine‐incorporated zinc complex/carbon dots composites for supercapacitors with improved performance and electrochemical properties.

Funder

Thailand Graduate Institute of Science and Technology

Publisher

Wiley

Subject

General Chemistry

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