Carbon Nano-Onions: Synthesis, Properties and Electrochemical Applications

- Authors: Jeotikanta Mohapatra1, Arijit Mitra2, J. Ping Liu3
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View Affiliations Hide AffiliationsAffiliations: 1 Department of Physics, University of Texas at Arlington, Arlington, TX 76019, USA 2 Institute of Physics, Sachivalaya Marg, Bhubaneswar 751005, India 3 Department of Physics, University of Texas at Arlington, Arlington, TX 76019, USA
- Source: Applications of Nanomaterials in Energy Storage and Electronics , pp 39-60
- Publication Date: August 2022
- Language: English
Carbon nano-onions (CNOs) or multilayered fullerenes have received considerable attention in diversified research areas such as supercapacitors, fuel cells, batteries, photovoltaics, and biosensors due to their unique physicochemical, optical, catalytic, and electronic properties. These structures were first observed in 1992, and ever since, a considerable amount of research on their physical properties and development of CNOs based supercapacitors and sensors has been successfully witnessed. CNOs are prepared via different experimental techniques, and their structural and physical properties often rely upon the fabrication process or parameters. This chapter presents an overview of different methods that have been adapted to prepare CNOs and their novel properties with a focus on the fundamental curvature morphology effects. A comprehensive discussion on the potential applications, citing recent research, is provided. The challenges and the potential directions of CNOs-based materials with an eye to develop highly efficient and long-term stable CNOs-based energy storage devices and sensors are also addressed.
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