基于碳纳米管的串联吸收体，具有可调谐的光谱选择性：从近完美黑体吸收体到太阳能选择性吸收体的转变。
Carbon nanotube-based tandem absorber with tunable spectral selectivity: transition from near-perfect blackbody absorber to solar selective absorber.
机构信息
Nanomaterials Research Laboratory, Surface Engineering Division, CSIR-National Aerospace Laboratories, Bangalore, -560 017, India; Materials Research Centre, Indian Institute of Science, Bangalore, -560 012, India.
出版信息
Adv Mater. 2014 Apr 23;26(16):2552-7. doi: 10.1002/adma.201305070. Epub 2014 Jan 28.
CVD grown CNT thin film with a thickness greater than 10 μm behaves like a near-perfect blackbody absorber (i.e., α/ε = 0.99/0.99). Whereas, for a thickness ≤ 0.4 µm, the CNT based tandem absorber acts as a spectrally selective coating (i.e., α/ε = 0.95/0.20). These selective coatings exhibit thermal stability up to 650 °C in vacuum, which can be used for solar thermal power generation.
CVD 生长的 CNT 薄膜厚度大于 10μm 时，其行为类似于近乎完美的黑体吸收体（即α/ε=0.99/0.99）。而厚度≤0.4μm 时，基于 CNT 的串联吸收体则表现为光谱选择性涂层（即α/ε=0.95/0.20）。这些选择性涂层在真空中具有高达 650°C 的热稳定性，可用于太阳能热发电。
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