1996
DOI: 10.1126/science.274.5290.1182
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Organic Glasses: A New Class of Photorefractive Materials

Abstract: The performance of amorphous organic photorefractive (PR) materials in applications such as optical data storage is generally limited by the concentration of active molecules (chromophores) that can be incorporated into the host without forming a crystalline material with poor optical quality. In polymeric PR systems described previously, performance has been limited by the necessity of devoting a large fraction of the material to inert polymer and plasticizing components in order to ensure compositional stabi… Show more

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Cited by 248 publications
(79 citation statements)
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“…Here, the chromophore also serves as a CTA, the molecules form amorphous glassy materials with maximized chromophore content and reduced tendencies of phase-separation. Examples of this approach are materials based on the pyridone derivative 2BNCM ( 68 ), [ 190 ] DHADC-MPN ( 65 ), [ 180 ] DCDHF ( 69 ) -based Table 4. Molecular parameters of some selected EO-chromophores, data taken from a) Ref.…”
Section: Multifunctional Materials/organic Lmw-glassesmentioning
confidence: 99%
See 1 more Smart Citation
“…Here, the chromophore also serves as a CTA, the molecules form amorphous glassy materials with maximized chromophore content and reduced tendencies of phase-separation. Examples of this approach are materials based on the pyridone derivative 2BNCM ( 68 ), [ 190 ] DHADC-MPN ( 65 ), [ 180 ] DCDHF ( 69 ) -based Table 4. Molecular parameters of some selected EO-chromophores, data taken from a) Ref.…”
Section: Multifunctional Materials/organic Lmw-glassesmentioning
confidence: 99%
“…. Structure of multifunctional organic glass-forming materials: 68 2BNCM, [ 190 ] 69 DCDHF, [ 112 , 191 , 192 ] 70 DRDCTA, [ 193 ] 71 ECYENPA, [ 157 ] 72 Cz-C6-PDCST.…”
Section: Multifunctional Materials/organic Lmw-glassesmentioning
confidence: 99%
“…Such a system was first introduced by Lundquist et al [62] in 1996. It is based on the bifunctional chromophore BCNM (depicted in Scheme 3) which also exhibits photoconductivity.…”
Section: Low Molecular Mass Glassesmentioning
confidence: 99%
“…In the case of low T g polymers [10], which are today the most efficient ones, the chromophores can be orientated under the internal electric field, thus inducing strong modulations of the refractive index. These low T g materials are for example doped polymers (photoconducting polymers doped with non-linear chromophores), organic glasses [11] (low molar mass molecules exhibiting both photoconducting and non-linear properties), liquid crystals dispersed in photoconducting polymers [12]. In the case of high T g polymers, the orientation of the chromophores under electric field is achieved at higher temperatures.…”
Section: The Photorefractive Polymers: a New Class Of Photonic Materialsmentioning
confidence: 99%