光致变色化合物在发生异构化的过程中，除了异构体的最大吸收波长外，其它的

In the process of isomerization of photochromic compounds, in addition to the maximum absorption wavelength of the isomer, other <br>physical and chemical properties and behaviors also change. It can effectively utilize the light rich features, use of photochromic <br>color difference photophysical properties between isomers achieve photon-type memory having a theoretical high storage density. <br>As an optical storage medium, photochromic molecules have the advantages of high storage density and fast reading and writing speed. Therefore, although they <br>are still in the development stage as storage materials, they have great application potential. <br>In addition, photochromic compounds are used in color-changing glass, color-changing glasses 3, ion recognition and sensing +21), biological <br>imaging 2627], non-linear optics 128, molecular wires (29, molecular motor 0, drug delivery and release (11) , <br>Biomolecular tags32], etc. There are also good applications. With the deepening of research on photochromic compounds, organic <br>photochromic materials will play an increasingly important role in future production and life <br><br>.

Photochromical compounds in the process of isomerization, in addition to the isomer's maximum absorption wavelength, other<br>the physical and chemical properties and behavior of . It can effectively utilize the rich properties of light and make use of light change<br>The difference of photophysical properties between chromosomes enables photon storage with theoretical high storage density. Light discoloration<br>Molecules as optical storage media have the advantages of high storage density and fast read and write wipe speed, so although they are stored<br>The material is still in the development stage, but it has great application potential.<br>In addition, photochromical compounds in discolored glass, discolored glasses 3, ion recognition and sensing , biology<br>Imaging 2627, non-wire optics 128, molecular conductors (29, molecular motor 0, drug transmission and release (11,<br>Biomolecular label 32 is also well used. With the further study of photochromical compounds, organic<br>Photochromatose materials will play an increasingly important role in future production and life.<br><br>.

In the process of isomerization of photochromic compounds, in addition to the maximum absorption wavelength of the isomer, the others are the same<br>The physicochemical properties and behaviors of these compounds will also change. It can effectively use the rich characteristics of light, and make use of light-induced variation<br>The difference of photophysical properties between color isomers realizes photonic storage, which has high theoretical storage density. Photochromism<br>As an optical storage medium, molecules have the advantages of high storage density and high erasure speed<br>The material is still in the development stage, but it has great application potential.<br>In addition, photochromic compounds are widely used in color changing glass, color changing glasses 3, ion recognition and sensing + 21), biological materials<br>Imaging 2627], non-linear optical device 128, molecular wire (29), molecular motor 0, drug delivery and release (11<br>Biomolecular tagging 32] and other aspects also have good applications. With the further study of photochromic compounds, organic compounds are becoming more and more popular<br>Photochromic materials will play an increasingly important role in the future production and life.<br>.<br>