Monolayer MoS2 films supported by 3D nanoporous metals for high-efficiency electrocatalytic hydrogen production

Yongwen Tan; Pan Liu; Luyang Chen; Weitao Cong; Yoshikazu Ito; Jiuhui Han; Xianwei Guo; Zheng Tang; Takeshi Fujita; Akihiko Hirata; Mingwei W Chen

doi:10.1002/adma.201403808

Monolayer MoS2 films supported by 3D nanoporous metals for high-efficiency electrocatalytic hydrogen production

Adv Mater. 2014 Dec 17;26(47):8023-8. doi: 10.1002/adma.201403808. Epub 2014 Oct 31.

Authors

Yongwen Tan¹, Pan Liu, Luyang Chen, Weitao Cong, Yoshikazu Ito, Jiuhui Han, Xianwei Guo, Zheng Tang, Takeshi Fujita, Akihiko Hirata, Mingwei W Chen

Affiliation

¹ WPI Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan.

PMID: 25363090
DOI: 10.1002/adma.201403808

Abstract

The "edge-free" monolayer MoS2 films supported by 3D nanoporous gold show high catalytic activities towards hydrogen evolution reaction (HER), originating from large out-of-plane strains that are geometrically required to manage the 3D curvature of bicontinuous nanoporosity. The large lattice bending leads to local semiconductor-to-metal transition of 2H MoS2 and the formation of catalytically active sites for HER.

Keywords: 2D materials; hydrogen evolution reaction; molybdenum disulphide; monolayer dichalcogenide; nanoporous metal.