Enhanced Field‐Emission Behavior of Layered MoS 2  Sheets | Zendy

Kashid Ranjit V. | Zendy; Late Dattatray J. | Zendy; Chou Stanley S. | Zendy; Huang YiKai | Zendy; De Mrinmoy | Zendy; Joag Dilip S. | Zendy; More Mahendra A. | Zendy; Dravid Vinayak P. | Zendy

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Enhanced Field‐Emission Behavior of Layered MoS 2 Sheets

Author(s) -

Kashid Ranjit V.,

Late Dattatray J.,

Chou Stanley S.,

Huang YiKai,

De Mrinmoy,

Joag Dilip S.,

More Mahendra A.,

Dravid Vinayak P.

Publication year - 2013

Publication title -

small

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.785

H-Index - 236

eISSN - 1613-6829

pISSN - 1613-6810

DOI - 10.1002/smll.201300002

Subject(s) - field electron emission , materials science , common emitter , microelectronics , field (mathematics) , graphene , carbon nanotube , current density , planar , optoelectronics , current (fluid) , nanotechnology , field emission display , electrical engineering , physics , electron , mathematics , computer graphics (images) , engineering , quantum mechanics , computer science , pure mathematics

Field emission studies are reported for the first time on layered MoS 2 sheets at the base pressure of ∼1 × 10 −8 mbar. The turn‐on field required to draw a field emission current density of 10 μ A/cm 2 is found to be 3.5 V/ μ m for MoS 2 sheets. The turn‐on values are found to be significantly lower than the reported MoS 2 nanoflowers, graphene, and carbon nanotube‐based field emitters due to the high field enhancement factor (∼1138) associated with nanometric sharp edges of MoS 2 sheet emitter surface. The emission current–time plots show good stability over a period of 3 h. Owing to the low turn‐on field and planar (sheetlike) structure, the MoS 2 could be utilized for future vacuum microelectronics/nanoelectronic and flat panel display applications.

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