Solution-based synthesis of anisotropic metal chalcogenide nanocrystals and their applications

Yuho Min, Geon Dae Moon, Chang Eun Kim, Ji Hwan Lee, Heesung Yang, Aloysius Soon, Unyong Jeong

Research output: Contribution to journalReview article

41 Citations (Scopus)

Abstract

This article reviews recent advances in solution phase synthesis to generate 1-D and 2-D anisotropic metal chalcogenide (MC) nanostructures with a focus on using different growth mechanisms to control the shapes of the MCs. Four different synthetic approaches have been reviewed: naturally favoured growth due to its intrinsically anisotropic crystal structure, modified anisotropic growth by changing surface energies or utilizing organic templates, oriented attachment of small nanocrystal building blocks to form nanowires or nanosheets, and chemical transformation from existing nanostructures into new species. We discuss current understanding of the thermodynamic and kinetic aspects associated with the mechanisms of forming these anisotropic MC nanostructures. We provide examples of representative applications of anisotropic chalcogenide nanomaterials that are expected to be practically meaningful in the near future. The applications include electrodes for lithium ion batteries, photodetectors, thermoelectric devices, and solar cells. A brief review of other potential applications (oxygen reduction reaction, localized surface plasmon resonance, topological insulator, superconductor) is provided as well. This review ends with discussions on the challenges to be investigated thoroughly in the solution-based synthesis of anisotropic nanomaterials, which includes surface energy control, correcting the nucleation & growth mechanism, removal of the organic surfactant, kinetic study on the chemical transformation, scale-up of production, and eco-friendly synthesis.

Original languageEnglish
Pages (from-to)6222-6248
Number of pages27
JournalJournal of Materials Chemistry C
Volume2
Issue number31
DOIs
Publication statusPublished - 2014 Aug 21

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Nanocrystals
Metals
Nanostructures
Interfacial energy
Nanostructured materials
Kinetics
Nanosheets
Surface plasmon resonance
Photodetectors
Surface-Active Agents
Power control
Superconducting materials
Nanowires
Solar cells
Surface active agents
Nucleation
Crystal structure
Thermodynamics
Oxygen
Electrodes

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Chemistry

Cite this

Min, Yuho ; Moon, Geon Dae ; Kim, Chang Eun ; Lee, Ji Hwan ; Yang, Heesung ; Soon, Aloysius ; Jeong, Unyong. / Solution-based synthesis of anisotropic metal chalcogenide nanocrystals and their applications. In: Journal of Materials Chemistry C. 2014 ; Vol. 2, No. 31. pp. 6222-6248.
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Solution-based synthesis of anisotropic metal chalcogenide nanocrystals and their applications. / Min, Yuho; Moon, Geon Dae; Kim, Chang Eun; Lee, Ji Hwan; Yang, Heesung; Soon, Aloysius; Jeong, Unyong.

In: Journal of Materials Chemistry C, Vol. 2, No. 31, 21.08.2014, p. 6222-6248.

Research output: Contribution to journalReview article

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