期刊
JOURNAL OF APPLIED PHYSICS
卷 113, 期 21, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4809546
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资金
- Isaac Newton Trust
- Trinity College Cambridge
- Winston Churchill Trust
- EU [2852754, 288481]
- EPSRC [EP/K035282/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/K035282/1] Funding Source: researchfish
In this paper, we demonstrate a micro-inkjet printing technique as a reproducible post-process for the deposition of carbon nanoparticles and fullerene adlayers onto fully CMOS compatible micro-electro-mechanical silicon-on-insulator infrared (IR) light sources to enhance their infrared emission. We show experimentally a significant increase in the infrared emission efficiency of the coated emitters. We numerically validate these findings with models suggesting a dominant performance increase for wavelengths < 5.5 mu m. Here, the bimodal size distribution in the diameter of the carbon nanoparticles, relative to the fullerenes, is an effective mediator towards topologically enhanced emittance of our miniaturised emitters. A 90% improvement in IR emission power density has been shown which we have rationalised with an increase in the mean thickness of the deposited carbon nanoparticle adlayer. (C) 2013 AIP Publishing LLC.
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