Kesavan Pillai, SreejaraniMotshekga, SCRay, SSKennedy, J2012-01-172012-01-172012Kesavan Pillai, S., Motshekga, S.C., Ray, S.S. and Kennedy, J. 2012. Field emission characteristics of SnO2/CNT composite prepared by microwave assisted wet impregnation. Journal of Nanomaterials (2012), pp 1-81687-41101687-4129www.hindawi.com/journals/jnm/aip/861591.pdfhttp://hdl.handle.net/10204/5498Copyright: 2012 Hindawi Publishing Corporation. Published under the Creative Commons LicenseSnO2/CNT composites were prepared by microwave assisted wet impregnation at 60 °C. The process was optimized by varying the microwave power and reaction time. Raman analysis showed the typical features of the rutile phase of as-synthesized SnO2 nanoparticles on CNTs, which was consistent with the results from X-ray diffraction. Enhanced field emission performance was observed for SnO2/CNT composite prepared by a microwave method when compared to pure CNTs and SnO2/CNT prepared by conventional wet impregnation. The dependence of emission current density on the electric field followed a Fowler–Nordheim relationship.enCarbon nanotubesTin dioxideField emissionNanomaterialsArticleKesavan Pillai, S., Motshekga, S., Ray, S., & Kennedy, J. (2012). Field emission characteristics of SnO2/CNT composite prepared by microwave assisted wet impregnation. http://hdl.handle.net/10204/5498Kesavan Pillai, Sreejarani, SC Motshekga, SS Ray, and J Kennedy "Field emission characteristics of SnO2/CNT composite prepared by microwave assisted wet impregnation." (2012) http://hdl.handle.net/10204/5498Kesavan Pillai S, Motshekga S, Ray S, Kennedy J. Field emission characteristics of SnO2/CNT composite prepared by microwave assisted wet impregnation. 2012; http://hdl.handle.net/10204/5498.TY - Article AU - Kesavan Pillai, Sreejarani AU - Motshekga, SC AU - Ray, SS AU - Kennedy, J AB - SnO2/CNT composites were prepared by microwave assisted wet impregnation at 60 °C. The process was optimized by varying the microwave power and reaction time. Raman analysis showed the typical features of the rutile phase of as-synthesized SnO2 nanoparticles on CNTs, which was consistent with the results from X-ray diffraction. Enhanced field emission performance was observed for SnO2/CNT composite prepared by a microwave method when compared to pure CNTs and SnO2/CNT prepared by conventional wet impregnation. The dependence of emission current density on the electric field followed a Fowler–Nordheim relationship. DA - 2012 DB - ResearchSpace DP - CSIR KW - Carbon nanotubes KW - Tin dioxide KW - Field emission KW - Nanomaterials LK - https://researchspace.csir.co.za PY - 2012 SM - 1687-4110 SM - 1687-4129 T1 - Field emission characteristics of SnO2/CNT composite prepared by microwave assisted wet impregnation TI - Field emission characteristics of SnO2/CNT composite prepared by microwave assisted wet impregnation UR - http://hdl.handle.net/10204/5498 ER -