Nguyen, D.N. and Nguyen, L.N. and Nguyen, P.D. and Thu, T.V. and Nguyen, A.D. and Tran, P.D. (2016) Crystallization of Amorphous Molybdenum Sulfide Induced by Electron or Laser Beam and Its Effect on H2-Evolving Activities. Journal of Physical Chemistry C, 120 (50). pp. 28789-28794. ISSN 19327447
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We report herein investigation on crystallization of amorphous molybdenum sulfide a-MoSx induced by electron and laser beam resulting in formation of crystalline molybdenum disulfide c-MoS2. This crystallization occurred in situ during transmission electron microscopic and Raman analyses of a-MoSx material. It was also found that a-MoSx to c-MoS2 phase transformation was not fully beneficial for H2-evolving catalytic performance. c-MoS2 showed better robustness but significantly lower catalytic performance. Furthermore, c-MoS2 was less tolerant to oxidation stress, as the one caused by photogenerated holes within the light harvester, compared with a-MoSx catalyst. Thus, a-MoSx is a better candidate for implementation within photocatalysts for overall solar water-splitting application. (Figure Presented). © 2016 American Chemical Society.
Item Type: | Article |
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Divisions: | Faculties > Faculty of Physical and Chemical Engineering |
Identification Number: | 10.1021/acs.jpcc.6b08817 |
Uncontrolled Keywords: | Laser beams; Molybdenum; Sulfur compounds; Catalytic performance; Molybdenum disulfide; Molybdenum sulfide; Oxidation stress; Photogenerated holes; Raman analysis; Solar water splitting; Transmission electron; Molybdenum compounds |
Additional Information: | Language of original document: English. |
URI: | http://eprints.lqdtu.edu.vn/id/eprint/9768 |