solvatochromism

solvatochromism
A change in colour (due to changes in position and/or intensity of absorption or emission bands) that accompanies a change in the polarity of a solvent

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  • Solvatochromism — is the ability of a chemical substance to change color due to a change in solvent polarity. Negative solvatochromism corresponds to hypsochromic shift, positive solvatochromism corresponds to bathochromic shift with increasing solvent polarity.… …   Wikipedia

  • solvatochromism — solvatochromija statusas T sritis chemija apibrėžtis Spalvotų solvatų susidarymas dalyvaujant nespalvotoms organinio tirpiklio molekulėms. atitikmenys: angl. solvatochromism rus. сольватохромия …   Chemijos terminų aiškinamasis žodynas

  • Chromism — In chemistry, chromism is a process that induces a change, often reversible, in the colors of compounds. In most cases, chromism is based on a change in the electron states of molecules, especially the π or d electron state, so this phenomenon is …   Wikipedia

  • Polythiophene — The monomer repeat unit of unsubstituted polythiophene …   Wikipedia

  • Charge transfer complex — A charge transfer complex (or CT complex, electron donor acceptor complex) is a chemical association of two or more molecules, or of different parts of one very large molecule, in which the attraction between the molecules (or parts) is created… …   Wikipedia

  • Cucurbituril — Computer models of Q5, Q6, and Q7. Top row is the view into the cavity and the bottom is the side view Cucurbiturils are methylene linked macrocyclic molecules made of glycoluril [=C4H2N4O2=] monomers. The oxygen atoms are located along the edges …   Wikipedia

  • Hypsochromic shift — is a change of spectral band position in the absorption, reflectance, transmittance, or emission spectrum of a molecule to a shorter wavelength (higher frequency).This can occur because of a change in environmental conditions: for example, a… …   Wikipedia

  • Bathochromic shift — is a change of spectral band position in the absorption, reflectance, transmittance, or emission spectrum of a molecule to a longer wavelength (lower frequency).This can occur because of a change in environmental conditions: for example, a change …   Wikipedia

  • solvatochromic — adjective Of or pertaining to solvatochromism …   Wiktionary

  • Charge-transfer complex — A charge transfer complex (CT complex) or electron donor acceptor complex is an association of two or more molecules, or of different parts of one very large molecule, in which a fraction of electronic charge is transferred between the molecular… …   Wikipedia

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