Infrared and Laser Engineering, Volume. 52, Issue 2, 20220263(2023)
Test research on far-infrared extinction performance of graphene
Figures & Tables(11)
Fig. 3. (a) Original target image; (b) Graphite masked target image; (c) Carbon fibre masked target image; (d) Graphene masked target image
Fig. 4. (a) Graphite settling image; (b) Carbon fiber settling image; (c) Graphene settling image
Fig. 5. Linear fitting curves of material mass extinction coefficient at 8-14 μm
Table 1. Experimental reagents and manufacturers
View tableView in ArticleTable 1. Experimental reagents and manufacturers
Name of reagent Purity Manufacturer Flake graphite AR Aladdin 98% H2SO4 AR Beijing Chemical Works NaNO3 AR Xiya Reagent KMnO4 AR Beijing Chemical Works 30% H2O2 AR Beijing Chemical Works HCl AR Beijing Chemical Works CH3CH2OH AR Aladdin
Table 2. Experimental instruments and manufacturers
View tableView in ArticleTable 2. Experimental instruments and manufacturers
Name of instrument Model Manufacturer Analytical balance SI-234 Denver Instrument Electrothermal thermostatic water bath HH-2 Kewei Yongxing Electric thermostaticdrying oven 101-2BS Lichen Bonsi Vacuum tube furnace SK-B08123K Tianjin Zhonghuan Benchtop centrifuge LC-LX-L60D Lichen Bonsi Freeze drier FD-1A-80 BIOCOOL SEM QUANTA FEG450 FEI Company X-Ray diffractometer Bruker D8 Bruker
Table 3. Mass extinction coefficient and their ratio of materials at 8-14 μm
View tableView in ArticleTable 3. Mass extinction coefficient and their ratio of materials at 8-14 μm
Materials m0/g m/g C/g·m-3 T α/m2·g-1 k Graphite 0.25 0.14 1.0 59.5% 0.87 2.25 0.40 0.26 1.3 50.6% 0.88 2.17 0.50 0.31 1.8 41.5% 0.85 2.39 0.60 0.35 2.4 30.6% 0.87 2.57 0.75 0.48 2.6 26.8% 0.89 2.22 Carbon fiber 0.25 0.10 1.4 62.3% 0.58 3.33 0.40 0.20 1.8 53.8% 0.58 3.29 0.50 0.26 2.3 48.7% 0.55 3.69 0.60 0.30 2.9 37.0% 0.60 3.72 0.75 0.39 3.4 32.3% 0.58 3.39 Graphene 0.25 0.12 1.3 24.0% 1.95 - 0.40 0.17 2.2 11.0% 1.90 - 0.50 0.21 2.7 4.2% 2.03 - 0.60 0.28 3.0 2.1% 2.23 - 0.75 0.35 3.8 1.4% 1.97 -
Table 4. Results of potassium bromide compression test
View tableView in ArticleTable 4. Results of potassium bromide compression test
Materials 3-5 μm 8-14 μm T φ T φ Graphite 6.85% 93.15% 7.16% 92.84% Carbon fiber 25.95% 74.05% 26.06% 73.94% Graphene 1.12% 98.87% 1.17% 98.82%
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Huiying Li, Xuanyu Wang, Zhilong Liu, Shubao Sun, Wenjie Dong. Test research on far-infrared extinction performance of graphene[J]. Infrared and Laser Engineering, 2023, 52(2): 20220263
Paper Information
Category: Infrared technology and application
Received: Apr. 19, 2022
Accepted: --
Published Online: Mar. 13, 2023
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