Photochromism is the reversible transformation of a chemical species (photoswitch) between two forms by the absorption of electromagnetic radiation (photoisomerization), where the two forms have different absorption spectra. In plain language, this can be described as a reversible change of … See more Sunglasses One of the most famous reversible photochromic applications is color changing lenses for sunglasses. The largest limitation in using photochromic technology is that … See more Photochromism was discovered in the late 1880s, including work by Markwald, who studied the reversible change of color of 2,3,4,4-tetrachloronaphthalen-1(4H)-one in the solid state. He … See more Photochromic molecules can belong to various classes: triarylmethanes, stilbenes, azastilbenes, nitrones, fulgides, spiropyrans, naphthopyrans, … See more Photochromism does not have a rigorous definition, but is usually used to describe compounds that undergo a reversible photochemical reaction See more • Photosensitive glass • Hexaarylbiimidazole See more WebThe meaning of PHOTOCHROMIC is capable of changing color on exposure to radiant energy (such as light). How to use photochromic in a sentence. ... photochromism-ˌmiz …

photochromism - Wiktionary

WebPhotochromism is a chemical process in which a compound undergoes a reversible change between two states having separate absorption spectra, which mean different colors. … WebPhotochromism in TiO 2 and in the alkaline earth titanates is associated with the presence of iron impurity. Fe 3 ions enter the TiO 2 structure substitutionally for Ti 4+ ions, each pair of Fe 3+ ions being compensated for by one O = vacancy. Some of the Fe 3+ ions occupy sites adjacent to the vacancies forming Fe 3+ centers. Iron-doped rutile is colorless or … iot hub meaning

What does photochromism mean? - Definitions.net

WebPhotochromic materials, a class to which bacteriorhodopsin (BR) belongs, have not been used much in holography. Photochromics are real-time recyclable materials which need … WebPhotochromic Definition. Designating or of a material, as certain glass or film, which turns dark when exposed to light and returns to its normal transparency with the removal of the … WebDefine photochromism. photochromism synonyms, photochromism pronunciation, photochromism translation, English dictionary definition of photochromism. adj. Of or relating to a substance or object whose color changes on exposure to light: photochromatic glasses that darken in sunlight. pho′to·chro′mism n.... iothub message