Chemically exfoliated ReS2 nanosheets

Takeshi Fujita, Yoshikazu Ito, Yongwen Tan, Hisato Yamaguchi, Daisuke Hojo, Akihiko Hirata, Damien Voiry, Manish Chhowalla, Mingwei Chen

Research output: Contribution to journalArticle

85 Citations (Scopus)

Abstract

The production of two-dimensional rhenium disulfide (ReS2) nanosheets by exfoliation using lithium intercalation is demonstrated. The vibrational and photoluminescence properties of the exfoliated nanosheets are investigated, and the local atomic structure is studied by scanning and transmission electron microscopy. The catalytic activity of the nanosheets in a hydrogen evolution reaction (HER) is also investigated. The electrochemical properties of the exfoliated ReS2 nanosheets include low overpotentials of ∼100 mV and low Tafel slopes of 75 mV dec-1 for HER and are attributed to the atomic structure of the superlattice 1T′ phase. The presence of bandgap photoluminescence demonstrates that the nanosheets retain their semiconducting nature. ReS2 nanosheets produced by this method provide unique photocatalytic properties that are superior to those of other two-dimensional systems.

Original languageEnglish
Pages (from-to)12458-12462
Number of pages5
JournalNanoscale
Volume6
Issue number21
DOIs
Publication statusPublished - 2014 Jan 1
Externally publishedYes

Fingerprint

Nanosheets
Hydrogen
Photoluminescence
Rhenium
Intercalation
Electrochemical properties
Lithium
Disulfides
rhenium sulfide
Catalyst activity
Energy gap
Transmission electron microscopy
Scanning electron microscopy

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Fujita, T., Ito, Y., Tan, Y., Yamaguchi, H., Hojo, D., Hirata, A., ... Chen, M. (2014). Chemically exfoliated ReS2 nanosheets. Nanoscale, 6(21), 12458-12462. https://doi.org/10.1039/c4nr03740e

Chemically exfoliated ReS2 nanosheets. / Fujita, Takeshi; Ito, Yoshikazu; Tan, Yongwen; Yamaguchi, Hisato; Hojo, Daisuke; Hirata, Akihiko; Voiry, Damien; Chhowalla, Manish; Chen, Mingwei.

In: Nanoscale, Vol. 6, No. 21, 01.01.2014, p. 12458-12462.

Research output: Contribution to journalArticle

Fujita, T, Ito, Y, Tan, Y, Yamaguchi, H, Hojo, D, Hirata, A, Voiry, D, Chhowalla, M & Chen, M 2014, 'Chemically exfoliated ReS2 nanosheets', Nanoscale, vol. 6, no. 21, pp. 12458-12462. https://doi.org/10.1039/c4nr03740e
Fujita T, Ito Y, Tan Y, Yamaguchi H, Hojo D, Hirata A et al. Chemically exfoliated ReS2 nanosheets. Nanoscale. 2014 Jan 1;6(21):12458-12462. https://doi.org/10.1039/c4nr03740e
Fujita, Takeshi ; Ito, Yoshikazu ; Tan, Yongwen ; Yamaguchi, Hisato ; Hojo, Daisuke ; Hirata, Akihiko ; Voiry, Damien ; Chhowalla, Manish ; Chen, Mingwei. / Chemically exfoliated ReS2 nanosheets. In: Nanoscale. 2014 ; Vol. 6, No. 21. pp. 12458-12462.
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