Edge Surfaces in Lithographically Textured Molybdenum Disulfide

Lithographic techniques were used to expose edge surfaces in layered molybdenum disulfide single crystals. This microstructuring produced ideal samples for the study of the surface morphology and electronic structure of this catalytically important material. The optical absorption that was measured...

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Bibliographic Details
Published in:	Science (American Association for the Advancement of Science) Vol. 235; no. 4796; pp. 1629 - 1631
Main Authors:	Roxlo, C. B., Deckman, H. W., Gland, J., Cameron, S. D., Chianelli, R. R.
Format:	Journal Article
Language:	English
Published:	United States The American Association for the Advancement of Science 27-03-1987 American Association for the Advancement of Science
Subjects:	Analysis Atoms Catalysts Chemistry Disulfides Electromagnetic absorption Electron beam lithography Lithography, Electron beam Materials Minerals Molybdenum Molybdenum disulfide Photoelectric emission Single crystals Sulfides Sulfur Surface chemistry Surface defects Surface science
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Summary:	Lithographic techniques were used to expose edge surfaces in layered molybdenum disulfide single crystals. This microstructuring produced ideal samples for the study of the surface morphology and electronic structure of this catalytically important material. The optical absorption that was measured at mid-gap increased by two orders of magnitude after texturing. This increase resulted from reduced molybdenum at surface defects that are located on edge planes, as shown by photoemission spectroscopy. This information cannot easily be obtained on conventional crystals with predominantly basal plane surfaces.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 ObjectType-Article-1 ObjectType-Feature-2
ISSN:	0036-8075 1095-9203
DOI:	10.1126/science.235.4796.1629