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Surface and Electrochemical Characterization of Nanomaterials
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Surface and Electrochemical Characterization of Nanomaterials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Thin Films and Interfaces".

Deadline for manuscript submissions: closed (20 January 2023) | Viewed by 2761

Special Issue Editors

Dr. Edward Song

E-Mail Website
Guest Editor
Department of Electrical and Computer Engineering, University of New Hampshire, Durham, NH 03824, USA
Interests: nanomaterials; nanotechnology; smart polymers; polymer electrochemistry; nanoelectronics; biomolecular science; sensing devices and transducers; solid-state electronics
Special Issues, Collections and Topics in MDPI journals
Dr. Gaurab Dutta

E-Mail Website
Guest Editor
Institute for Micromanufacturing, Louisiana Tech University, Ruston, LA 71272, USA
Interests: diamond-based neuro sensors; diamond electrochemistry; enzymatic neuro sensors; polymer-based sensors; surface chemistry; material characterization; electrodeposition; energy
Special Issues, Collections and Topics in MDPI journals
Dr. Erica Perry Murray

E-Mail Website
Guest Editor
Department of Physics, Institute for Micromanufacturing, Louisiana Tech University, Ruston, LA 71272, USA
Interests: electroceramic materials; gas sensors; perovskite materials; solid oxide fuel cells; solid-state electrochemistry; corrosion; 3D printing; surface chemistry; electrocatalysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In the last couple of decades, we have witnessed an improvement in multifunctional applications of nanomaterials. The nature of various applications has given birth to nanoscience and nanotechnology, integrating fundamental and applied scientific research from a range of fields, such as medicine, biology, chemistry, physics, engineering, environment, energy, enabling, agriculture, etc. Nanomaterial primary research and technological applications pave the way for emerging research in various disciplines involving and recognizing the nature of precise and improved outcomes at the nanoscale. Today, surface and electrochemical characterization methods involve the addressal of the dynamic nature of a nanomaterial’s surface chemistry and other properties impacting its interaction with different materials, as well as exploring its behavior in the surrounding environment. Advanced electrochemical and surface characterization tools can address challenging issues associated with nanomaterials, i.e., advance the understanding of change in interface reaction kinetics, hybrid structure stability, particle nature, surface defects, energy, and their potential. This Special Issue aims to compile significant developments in the fundamental understanding of assessing a material’s structure, interactions, and predicting environmental (physical, chemical, or biological) impacts. The Special Issue aims to cover topics ranging from quantum effects to fluorescence, electrocatalysis to energy harvesting, corrosion to gas evolution, self-healing, and electromagnetic shielding to electro-thermal conductivity.

Dr. Edward Song
Dr. Gaurab Dutta
Dr. Erica Murray
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • surface chemistry
  • electrochemical characterization
  • redox reactions
  • interface reaction kinetics
  • faradaic and non-faradaic responses
  • debye screening effect
  • charge transfer
  • diffusion
  • surface
  • oxidation states
  • gibbs free energy
  • electrical double layer

Published Papers (1 paper)

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Research

15 pages, 7214 KiB  
Article
Chemically Synthesized Iron-Oxide-Based Pure Negative Electrode for Solid-State Asymmetric Supercapacitor Devices
by A. A. Yadav, Y. M. Hunge, Seongjun Ko and Seok-Won Kang
Materials 2022, 15(17), 6133; https://doi.org/10.3390/ma15176133 - 3 Sep 2022
Cited by 13 | Viewed by 2161
Abstract
Among energy storage devices, supercapacitors have received considerable attention in recent years owing to their high-power density and extended cycle life. Researchers are currently making efforts to improve energy density using different asymmetric cell configurations, which may provide a wider potential window. Many [...] Read more.
Among energy storage devices, supercapacitors have received considerable attention in recent years owing to their high-power density and extended cycle life. Researchers are currently making efforts to improve energy density using different asymmetric cell configurations, which may provide a wider potential window. Many studies have been conducted on positive electrodes for asymmetric supercapacitor devices; however, studies on negative electrodes have been limited. In this study, iron oxides with different morphologies were synthesized at various deposition temperatures using a simple chemical bath deposition method. A nanosphere-like morphology was obtained for α-Fe2O3. The obtained specific capacitance (Cs) of α-Fe2O3 was 2021 F/g at a current density of 4 A/g. The negative electrode showed an excellent capacitance retention of 96% over 5000 CV cycles. The fabricated asymmetric solid-state supercapacitor device based on α-Fe2O3-NF//Co3O4-NF exhibited a Cs of 155 F/g and an energy density of 21 Wh/kg at 4 A/g. Full article
(This article belongs to the Special Issue Surface and Electrochemical Characterization of Nanomaterials)
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