Electrocatalytic properties of two-dimensional transition metal dichalcogenides and their hetrostructures in energy applications

Anitha Devadoss, Nagarajan Srinivasan, V. P. Devarajan, Nirmala Grace Andrews, Sudhagar Pitchaimuthu

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)peer-review

Abstract

This chapter provides a generalized overall picture about fundamental electrochemical properties of transition metal dichalcogenides (TMDs) and their recent applications in wide range of energy technologies (battery, supercapacitor, and water splitting). The high surface area, large number of active sites, and remarkable chemical stability offer TMDs with vast opportunities for utilizing as a promising electrocatalysts. However, inadequate electrical conductivity and other deficiencies foster considerable research efforts for further modification. The TMDs showed enhanced electrocatalytic performance through (1) site doping/modification, (2) phase modulation, (3) control of growth morphology, and (4) heterostructure formation. This chapter summarizes the recent demonstration of these methodologies in TMDs towards designing the efficient and benchmarking electrocatalysts. Furthermore, the underlying mechanism of device functionality, materials challenges, and perspectives of TMD based electrocatalysts are also discussed in this chapter.
Original languageEnglish
Title of host publication2D Nanoscale Heterostructured Materials
Subtitle of host publicationSynthesis, Properties, and Applications Micro and Nano Technologies
PublisherElsevier
Pages215-241
Number of pages27
ISBN (Print)9780128176788
Publication statusPublished - 2020

Keywords

  • MoS2
  • supercapacitor
  • battery
  • water splitting
  • electrocatalyst
  • Two dimensional materials

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