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Photoacoustic characteristics of carbon-based infrared absorbers
Photoacoustics ( IF 7.1 ) Pub Date : 2021-05-19 , DOI: 10.1016/j.pacs.2021.100265
Jussi Rossi , Juho Uotila , Sucheta Sharma , Toni Laurila , Roland Teissier , Alexei Baranov , Erkki Ikonen , Markku Vainio

We present an experimental comparison of photoacoustic responsivities of common highly absorbing carbon-based materials. The comparison was carried out with parameters relevant for photoacoustic power detectors and Fourier-transform infrared (FTIR) spectroscopy: we covered a broad wavelength range from the visible red to far infrared (633 nm to 25 μm) and the regime of low acoustic frequencies (< 1 kHz). The investigated materials include a candle soot-based coating, a black paint coating and two different carbon nanotube coatings. Of these, the low-cost soot absorber produced clearly the highest photoacoustic response over the entire measurement range.



中文翻译:

碳基红外吸收剂的光声特性

我们介绍了常见的高吸收性碳基材料的光声响应性的实验比较。使用与光声功率检测器和傅立叶变换红外(FTIR)光谱相关的参数进行比较:我们涵盖了从可见红色到远红外(633 nm到25μm)的宽波长范围以及低声频范围( <1 kHz)。被研究的材料包括蜡烛烟灰基涂料,黑色涂料涂料和两种不同的碳纳米管涂料。其中,低成本烟灰吸收剂在整个测量范围内显然产生了最高的光声响应。

更新日期:2021-05-25
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