Nanostructured solar irradiation control materials for solar energy conversion

Jin Ho Kang; Iseley A. Marshall; Mattew N. Torrico; Chase R. Taylor; Jeffry Ely; Angel Henderson; Godfrey Sauti; Luke J. Gibbons; Jae-Woo Kim; Cheol Park; Sharon E. Lowther; Peter T. Lillehei; Robert G. Bryant

doi:10.1117/12.930485

15 August 2013 Nanostructured solar irradiation control materials for solar energy conversion

Jin Ho Kang, Iseley A. Marshall, Mattew N. Torrico, Chase R. Taylor, Jeffry Ely, Angel Henderson, Godfrey Sauti, Luke J. Gibbons, Jae-Woo Kim, Cheol Park, Sharon E. Lowther, Peter T. Lillehei, Robert G. Bryant

Author Affiliations +

Proceedings Volume 8471, Next Generation (Nano) Photonic and Cell Technologies for Solar Energy Conversion III; 847107 (2013) https://doi.org/10.1117/12.930485
Event: SPIE Solar Energy + Technology, 2012, San Diego, California, United States

Abstract

Tailoring the solar absorptivity (αs) and thermal emissivity (ƐT) of materials constitutes an innovative approach to solar energy control and energy conversion. Numerous ceramic and metallic materials are currently available for solar absorbance/thermal emittance control. However, conventional metal oxides and dielectric/metal/dielectric multi-coatings have limited utility due to residual shear stresses resulting from the different coefficient of thermal expansion of the layered materials. This research presents an alternate approach based on nanoparticle-filled polymers to afford mechanically durable solar-absorptive and thermally-emissive polymer nanocomposites. The αs and ƐT were measured with various nano inclusions, such as carbon nanophase particles (CNPs), at different concentrations. Research has shown that adding only 5 wt% CNPs increased the αs and T by a factor of about 47 and 2, respectively, compared to the pristine polymer. The effect of solar irradiation control of the nanocomposite on solar energy conversion was studied. The solar irradiation control coatings increased the power generation of solar thermoelectric cells by more than 380% compared to that of a control power cell without solar irradiation control coatings.

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Jin Ho Kang, Iseley A. Marshall, Mattew N. Torrico, Chase R. Taylor, Jeffry Ely, Angel Henderson, Godfrey Sauti, Luke J. Gibbons, Jae-Woo Kim, Cheol Park, Sharon E. Lowther, Peter T. Lillehei, and Robert G. Bryant "Nanostructured solar irradiation control materials for solar energy conversion", Proc. SPIE 8471, Next Generation (Nano) Photonic and Cell Technologies for Solar Energy Conversion III, 847107 (15 August 2013); https://doi.org/10.1117/12.930485

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