Carbon Nanotubes Decorated with Platinum Nanoparticlesfor Field-Emission Application
作者： Vitaly Gurylev , Tzu-Kang Chin , Hung-Yin Tsai
关键词: Chemical engineering 、 Platinum nanoparticles 、 Nanocomposite 、 Platinum 、 Atomic layer deposition 、 Metal 、 Carbon nanotube 、 Materials science 、 Field electron emission 、 Conductivity
摘要: Open in a separate window In this work, simple and scalable method was presented to decorate carbon nanotubes (CNTs) with platinum nanoparticles (Pt NPs) by atomic layer deposition (ALD) for field emission (FE) application. The size distribution of NPs were precisely controlled adjusting the number ALD cycles. It discovered that higher cycle resulted continuously increased conductivity CNTs@Pt nanocomposite. could be explained not only loading Pt but also gradually decreased presence PtO compound NPs. As result, significant improvement FE characteristics cold cathode observed because decoration CNTs metal cycles gradual lowering turn-on electric which reached minimum value ∼0.43 V/μm after 100 ALD.
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