Nanostructured solar irradiation control materials for solar energy conversion

被引：0

作者：

Kang, J. H. ^{[1
]}

Marshall, I. A. ^{[2
]}

Torrico, M. N. ^{[3
]}

Taylor, C. R. ^{[4
]}

Ely, Jeffry ^{[5
]}

Henderson, Angel Z. ^{[5
]}

Kim, J. -W. ^{[1
]}

Sauti, G. ^{[1
]}

Gibbons, L. J. ^{[1
,6
]}

Park, C. ^{[1
,7
]}

Lowther, S. E. ^{[8
]}

Lillehei, P. T. ^{[8
]}

Bryant, R. G. ^{[8
]}

机构：

[1] Natl Inst Aerosp, Hampton, VA 23681 USA

[2] Univ South Dakota, Vermillion, SD 57069 USA

[3] Univ Tennessee, Knoxville, TN 37996 USA

[4] Univ Nebraska, Lincoln, NE 68508 USA

[5] Old Dominion Univ, Norfolk, VA 23508 USA

[6] Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA

[7] Univ Virginia, Dept Mech & Aerosp Engn, Charlottesville, VA 22903 USA

[8] NASA, Langley Res Ctr, Adv Mat & Proc Branch, Hampton, VA 23681 USA

来源：

NEXT GENERATION (NANO) PHOTONIC AND CELL TECHNOLOGIES FOR SOLAR ENERGY CONVERSION III | 2012年 / 8471卷

关键词：

solar irradiation; solar energy; solar absorptivity; thermal emissivity; carbon nanophase paricles; composite;

D O I：

10.1117/12.930485

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Tailoring the solar absorptivity (alpha(s)) and thermal emissivity (epsilon(T)) 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. alpha(s) and. epsilon(T) 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. alpha(s) and. epsilon(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.

引用

页数：8

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