Renew. Energy Environ. Sustain.
Volume 1, 2016
|Number of page(s)||3|
|Published online||11 May 2016|
Anti-reflection coated spectrally selective carbon nanotube solar absorbers
1 Norut Northern Research Institute Narvik AS, 8517, Narvik, Norway
2 UiT, the Arctic University of Norway, Department of Physics and Technology, 9019, Tromsø, Norway
⁎ e-mail: firstname.lastname@example.org
Multi-walled carbon nanotube (MWCNT) solar absorbers on aluminium substrates have been prepared by electrophoresis. The MWCNT absorbers exhibit a good spectral selectivity over the visible and infrared wavelengths. However, to further enhance the solar absorption, an anti-reflection coating made from porous silica was spin-coated on top of MWCNT solar absorbers. Porous silica precursor was prepared using tetraethyl orthosilicate (TEOS), and Pluronic F127 was used as a pore-forming agent. A maximum solar absorptance gain of 0.02 was achieved, which improves the spectral selectivity of MWCNT absorbers. The effect of anti-reflection layer depends on not only its thickness/refractive index but also the roughness of aluminium substrate.
© Z. Chen and T. Boström, published by EDP Sciences 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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