Energy morphology-dependent

The morphological dependence of the antenna effect was quantitatively studied by the comparison of the three focal isomers of benzene-cored 4th-genera-tion dendrimers [7]. The energy of the photon absorbed by the dendron subunits must be dissipated either through radiative (luminescence) or nonradia-... 

MORPHOLOGY DEPENDENCE OF EXCITED SINGLET ENERGY TRANSFER EVENTS... 

Khan ALT, 8reearunothai P, Herz LM, Banach MJ, Kohler A (2004) Morphology-dependent energy transfer within polyfluorene thin Aims. Phys Rev B 69 085201... 

According to this definition, the intrinsic energy barrier (pi represents the minimum energy required for the charge injection from the metal into the polymer molecule, which is a constant for a given polymer and metal pair. On the other hand, the contact-dependent component A

metal/polymer interface, which is morphology dependent. 

Morphology. Phase inversion in polymer mixtures occurs when the volume fraction of the dispersed phase becomes equal to or exceeds 0.5 (14). The driving force is to minimize the interfacial energy of the system. This is not the case here because the volume fraction of the rubber-rich phase at phase inversion is about 0.85. After inversion, the fraction of the continuous rubber-rich phase is only 0.28, and it increases to 0.63 at 12.5% rubber content. Initially, the components are fully soluble and compatible, but as the reactions proceed, the molecular weight of the products increases and phase separation results. The ability to separate and invert is dependent on the viscosity of the medium. The unsaturated polyester forms a gel at conversions as low as 2 to 5%, and both the ability to separate and to invert is impeded. Thus the morphology depends on the two competing effects of phase inversion and... 

Jiang, D.-L., Aida, T. (1998). Morphology-dependent photochemical events in aryl ether dendrimer porphyrins Cooperation of dendron subunits for singlet energy transduction, 7. Aot. Chem. Soc., 720 10895. 

Dendritic approaches have also been developed by Aida, who has shown that in terms of energy collection, the properties of the chromophore arrays are strongly morphology dependent Only the structures of the larger species are represented in Figure 13.41, but smaller dendrimers and reference compounds have also been prepared. 

Beiley, Z.M., Hoke, E.T., Noriega, R., Dacuna, J., Burkhard, G.F., Bartelt, ).A., Salleo, A., Toney, M.F., and McGehee, M.D. (2011) Morphology-dependent trap formation in high performance polymer bulk hetero junction solar cells. Adv. Energy Mater., 1,954-962. 

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