Crystallochromy
WebThe meaning of LITHOCHROMY is the art of painting on stone. Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one … WebWhen we searched the literature, we stumbled upon a nice term “crystallochromy,” which defined as the dependence of solid-state color on molecular packing. This term was first brought by a BASF group [ 7 ], who studied a series …
Crystallochromy
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WebMay 1, 2000 · Solution spectra of perylenetetracarboxylic dianhydride (PTCDA) show an equilibrium between monomers and dimers, with fluorescence exclusively from monomers and absorption from both. The dimer absorption follows closely the spectrum of PTCDA stacks in crystalline films, which indicate strong coupling to a molecular vibration and … WebAbstract We synthesized a series of 1,4,7,10‐tetraalkyltetracenes using a new 2,6‐naphthodiyne precursor and 2,5‐dialkylfurans as starting materials (alkyl=methyl to …
WebAug 30, 2013 · The crystallochromy of the red and yellow solids of tetracenes was theoretically investigated using the transition-density-fragment interaction combined with … WebJan 18, 2010 · We synthesized a series of 1,4,7,10-tetraalkyltetracenes using a new 2,6-naphthodiyne precursor and 2,5-dialkylfurans as starting materials (alkyl=methyl to hexyl). Surprisingly, the solid-state...
WebCrystallochromy of perylene pigments: Interference between Frenkel excitons and charge-transfer states Linus Gisslén* and Reinhard Scholz† Physik Department und Walter Schottky Institut, Technische Universität München, Am Coulombwall 3, … WebAug 30, 2013 · The crystallochromy of the red and yellow solids of tetracenes was theoretically investigated using the transition-density-fragment interaction combined with …
WebSep 10, 2009 · Based on the crystal structure determined by x-ray diffraction, density-functional theory (DFT) and Hartree-Fock are used for the calculation of the electronic …
WebMay 17, 2010 · The photophysical properties exhibit crystallochromy ranging from yellow to red and different fluorescence quantum yields depending on the length of the alkyl side chain. The isopropyl derivative achieved the highest quantum yield ever reported among tetracenes. Details are discussed in the article by C. Kitamura et al. on p. 3033 ff. pho in rockfordWebApr 8, 2024 · The odd–even effect in FLQY is over 26% alternation, and a maximum of 48% difference in FLQY was observed between the compounds C1 and C2 with a methyl and … pho in redmond oregonWebCrystallochromy of perylene pigments: Interference between Frenkel excitons and charge-transfer states Gisslén, Linus ; Scholz, Reinhard The optical properties of … how do you bring down swelling in your feetWebCrystallochromy of perylene pigments: Influence of an ... - Idsia. EN. English Deutsch Français Español Português Italiano Român Nederlands Latina Dansk Svenska Norsk … pho in rockwallWebActa Crystallographica B is the forum for the publication of such contributions. Scientific developments based on experimental studies as well as those based on theoretical … pho in rocklinWebCrystallochromy as a solid-state effect: correlation of molecular conformation, crystal packing and colour in perylene-3,4:9,10-bis (dicarboximide) pigments. G. Klebe, F. … how do you bring down uric acidWebAs demonstrated in a recent model study of several perylene pigments crystallizing in the monoclinic space group P2 1 /c, the optical properties in the crystalline phase are determined by the interference between neutral molecular excitations and charge transfer states via electron and hole transfer. how do you bring down your ldl cholesterol