Cole, MT and Hou, K and Warner, JH and Barnard, JS and Ying, K and Zhang, Y and Li, C and Teo, KBK and Milne, WI (2012) In-situ deposition of sparse vertically aligned carbon nanofibres on catalytically activated stainless steel mesh for field emission applications. Diamond and Related Materials, 23. pp. 66-71. ISSN 0925-9635Full text not available from this repository.
We report on an inexpensive, facile and industry viable carbon nanofibre catalyst activation process achieved by exposing stainless steel mesh to an electrolyzed metal etchant. The surface evolution of the catalyst islands combines low-rate electroplating and substrate dissolution. The plasma enhanced chemical vapour deposited carbon nanofibres had aspect-ratios > 150 and demonstrated excellent height and crystallographic uniformity with localised coverage. The nanofibres were well-aligned with spacing consistent with the field emission nearest neighbour electrostatic shielding criteria, without the need of any post-growth processing. Nanofibre inclusion significantly reduced the emission threshold field from 4.5 V/μm (native mesh) to 2.5 V/μm and increased the field enhancement factor to approximately 7000. © 2011 Elsevier B.V. All rights reserved.
|Uncontrolled Keywords:||Carbon nanofibres Coatings Electrochemical processing Field emission|
|Depositing User:||Cron job|
|Date Deposited:||04 Feb 2015 22:59|
|Last Modified:||01 May 2015 18:44|