Light-absorbing materials

Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...

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126901, 204192E, 428141, 428333, 428612, 428641, 428642, 428687, 428913, B32B 1504, C23C 1500, B32B 300

Patent

active

042846897

ABSTRACT:
Materials have been made that exhibit high absorption in the visible, near ultraviolet, and near infrared spectral region while simultaneously exhibiting low absorptivity in the thermal infrared. Exemplary of such materials is silicon which is etched in a reactive sputtering process in the presence of a sputterable material. Other materials exhibiting useful properties are produced by this method.

REFERENCES:
patent: 3846294 (1974-11-01), Vossen
patent: 4160045 (1979-07-01), Longshore
C. M. Lampert et al., "Coatings For Enhanced Photothermal Energy Collection," Solar Energy Materials, vol. 1, pp. 319-341 (1979).
H. G. Craighead et al., "Metal/Insulator Composite Selective Absorbers," Solar Energy Materials, vol. 1, pp. 105-124 (1979).
J. I. Gittleman et al., "Textured Silicon: Selective Solar Absorber for Solar Thermal Conversion," Appl. Phys. Lett., vol. 35, pp. 742-744 (1979).
G. D. Pettit et al., "Solar Absorbing Surfaces of Anodized Dendritic Tungsten," IBM J. Res. Dev., vol. 22, pp. 372-377 (1978).
J. J. Cuomo et al., "A New Concept for Solar Energy Thermal Conversion," Appl. Phys. Lett., vol. 26, pp. 557-559 (1975).
C. M. Lampert et al., "Microstructure & Optical Properties of Black Chrome Before & After Exposure to High Temperatures," Proceedings Second Annual Conf. on Absorber Surfaces for Solar Receivers Jan. 1979, pp. 19-30.

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