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Applied Surface Science

Year: 2009  |  Volume: 255  |  Issue: 6  |  Page No.: 3817 - 3821

Field emission properties of DLC and phosphorus-doped DLC films prepared by electrochemical deposition process

Shanhong Wan, Liping Wang, Junyan Zhang and Qunji Xue

Abstract

Field emission behavior of diamond-like carbon (DLC) and phosphorus-doped DLC (p-DLC) films prepared by electrochemical deposition process was comparatively investigated. It was shown phosphorus incorporation in the DLC film could lower the turn on field from 12 to 9.5V/μm and increase the current density from 12.6 to 45.7μA/mm2 under high electric field. And better field emission performance of p-DLC films would be mainly attributed to the influence of the surface morphology and the changes of microstructure due to the phosphorus incorporation.

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