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Photoswitchable Materials Streamline Thermal Regulation

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JAKE SALTZMAN, NEWS EDITOR
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ROBIN RILEY, CONTRIBUTOR
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The design and development of functional materials with tunable thermal conductivity — for example, to ensure the thermal dissipation in microelectronics devices — is necessary to prevent such devices from overheating. The ability to control the thermal conductivity of a material using an external stimulus, such as light, can increase the efficiency of thermoelectric energy conversion devices. Researchers at the Center for Research in Biological Chemistry and Molecular Materials (CiQUS, Spain) revealed that the photoswitchable chemical compound, azobenzene, can be used to...Read full article

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    Published: May 2023
    Glossary
    photochemical
    The term photochemical pertains to chemical processes or reactions that are initiated or influenced by the absorption of light. Photochemical reactions involve the interaction of light, often in the form of ultraviolet or visible radiation, with molecules, leading to changes in their chemical structure or properties. These reactions are distinct from thermal or non-light-induced chemical reactions. Key characteristics of photochemical reactions include: Light absorption: Photochemical...
    photochemistry
    The study of chemical reactions stimulated by the properties of light.
    azobenzene
    Azobenzene is a chemical compound consisting of two phenyl rings linked by a N=N double bond. It is well-known for its ability to undergo reversible photoisomerization, meaning it can switch between two isomeric forms (trans and cis) upon exposure to light of specific wavelengths. Photoisomerization: Azobenzene can exist in two geometric isomers: trans (E) and cis (Z). The trans isomer is typically more stable and linear, while the cis isomer is bent due to the double bond rotation around...
    Research & TechnologyeducationCiQUSEuropeMaterialsMaterials & Coatingsphotochemicalchemistryphotochemistrythermal regulationThermal Dissipationthermal controldevicesmicroelectronicsmicroelectronics devicesliquid crystalsmolecular machinesmolecular motorsazobenzenefluidicsTechnology News

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