Wafer-scale transferable molybdenum disulfide thin-film catalysts for photoelectrochemical hydrogen production

Ki Chang Kwon, Seokhoon Choi, Kootak Hong, Cheon Woo Moon, Young Seok Shim, Do Hong Kim, Taemin Kim, Woonbae Sohn, Jong Myeong Jeon, Chul-Ho Lee, Ki Tae Nam, Seungwu Han, Soo Young Kim, Ho Won Jang

Research output: Contribution to journalArticle

107 Citations (Scopus)

Abstract

We demonstrate that wafer-scale, transferable, and transparent thin-film catalysts based on MoS2, which consists of cheap and earth abundant elements, can provide a low onset potential of 1 mA cm-2 at 0.17 V versus a reversible hydrogen electrode and the high photocurrent density of 24.6 mA cm-2 at 0 V for a p-type Si photocathode. c-Domains with vertically stacked (100) planes in the transferable 2H-MoS2 thin films, which are grown via a thermolysis method, act as active sites for the hydrogen evolution reaction, and photogenerated electrons are efficiently transported through the n-MoS2/p-Si heterojunction.

Original languageEnglish
Pages (from-to)2240-2248
Number of pages9
JournalEnergy and Environmental Science
Volume9
Issue number7
DOIs
Publication statusPublished - 2016 Jul 1

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Environmental Chemistry
  • Pollution
  • Nuclear Energy and Engineering

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    Kwon, K. C., Choi, S., Hong, K., Moon, C. W., Shim, Y. S., Kim, D. H., Kim, T., Sohn, W., Jeon, J. M., Lee, C-H., Nam, K. T., Han, S., Kim, S. Y., & Jang, H. W. (2016). Wafer-scale transferable molybdenum disulfide thin-film catalysts for photoelectrochemical hydrogen production. Energy and Environmental Science, 9(7), 2240-2248. https://doi.org/10.1039/c6ee00144k