Presentation Information

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[10p-E203-5]Few-Layer Structuring of Carbon Nanotube Thin Films for the Near-Infrared Emissivity Enhancement

〇Mioko Hizukuri¹, Taishi Nishihara², Yuhei Miyauchi^1,3 (1.Univ. of Tokyo, 2.Tokyo Univ. of Sci., 3.Kyoto Univ.)

Keywords:

Structure-sorted carbon nanotube thin film,Thermal radiation

Thermal radiation control is important for improving the efficiency of various radiative energy utilization technologies, including thermophotovoltaic energy conversion. Structure-sorted single-walled carbon nanotube (SWCNT) thin films are promising emitter materials because of their high thermal stability and near-infrared thermal emission originating from excitonic resonances. However, the emissivity of a single-layer thin film is subject to a theoretical upper limit. In this study, we utilized optical interference arising from a few-layer structure consisting of structure-sorted SWCNT thin films and transparent dielectric layers, and demonstrated near-infrared emissivity exceeding that of a single-layer thin film at 850 K.

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