Darker colors absorb the visible wavelengths in sunlight, not IR rays. Therefore, the color of the material is unimportant in the ability of a material to absorb infrared light. That may change, however, with the development of new technologies.
If a light wave of a given frequency strikes a material with electrons having the same vibrational frequencies, then those electrons will absorb the energy of the light wave and transform it into vibrational motion.
When we see a material's color, we are seeing the reflection of that wavelength of light. For example, a blue material reflects blue light. White materials reflect a large amount of visible light. Black materials absorb a large amount of visible light. Therefore, darker materials will absorb more solar energy than lighter materials.
Physicists have made transparent material ‘virtually’ absorb light under certain conditions. They studied a thin layer of transparent dielectric and measured the sufficient intensity required for absorbing incident beam of light. When the intensity of incident light increases exponentially ...
In chemistry and materials science, different materials and molecules absorb radiation to different extents at different frequencies, which allows for material identification. In optics, sunglasses, colored filters, dyes, and other such materials are designed specifically with respect to which visible wavelengths they absorb, and in what ...
A material’s color and shade affect the amount of light it absorbs or reflects; dark colors reflect less light to your eye, so they absorb more light. A “flat black” material having no glossy reflections absorbs the most solar energy. Conversely, light colors reflect more light than dark ones, and white reflects the most.
Light and heat are both types of energy, so one can become the other (through a kind of conversion rate, mind). Dark colors absorb most of the light shined on them (black absorbs all of it).
If a dielectric material does not include light-absorbent additive molecules (pigments, dyes, colorants), it is usually transparent to the spectrum of visible light. Color centers (or dye molecules, or "dopants") in a dielectric absorb a portion of the incoming light. The remaining frequencies (or wavelengths) are free to be reflected or ...
NASA engineers have produced a material that absorbs on average more than 99 percent of the ultraviolet, visible, infrared, and far-infrared light that hits it -- a development that promises to open new frontiers in space technology. The team of engineers at NASA's Goddard Space Flight Center in ...
By relying on this method, physicists are able to determine the properties and material composition of an object by seeing which frequencies of light it is able to absorb. Whereas some materials ...