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Poly imaging characteristics

Polycrystallization of micrometer-order-thick a-Si films by FLA exhibits curious phenomena different from the case of crystallization of thin (<1 pm) a-Si films, and consequently forms poly-Si films with characteristic microstructures. Figure 11.9 shows surface images of the Si films after FLA under various lamp irradiances [35]. Only the edges are crystallized in the case of the lowest lamp irradiance, and the crystallized area expands towards the center of the... [Pg.184]

Figure 7.8 Centre Current density-voltage characteristics of hybrid poly-3-hexylthiophene ZnO devices with different morphology. The device based on a layer of vertically oriented ZnO nanorods outperforms the device based on ZnO nanoparticles of similar diameter, while both nanostructured films outperform the bilayer. Left Scanning electron microscope image of ZnO nanoparticle film. Right SEM image (side view) of ZnO nanorod film. The superior performance of the ZnO nanorod-based film is attributed to the paths for charge transport, which are directed towards the electrodes (Ravirajan et al, 2006). Figure 7.8 Centre Current density-voltage characteristics of hybrid poly-3-hexylthiophene ZnO devices with different morphology. The device based on a layer of vertically oriented ZnO nanorods outperforms the device based on ZnO nanoparticles of similar diameter, while both nanostructured films outperform the bilayer. Left Scanning electron microscope image of ZnO nanoparticle film. Right SEM image (side view) of ZnO nanorod film. The superior performance of the ZnO nanorod-based film is attributed to the paths for charge transport, which are directed towards the electrodes (Ravirajan et al, 2006).
Tsuda 41> described a relationship between the degree of esterification of poly(vinyl alcohol) with cinnamate and the amount of light necessary to produce crosslinked images. Unfortunately, the experimental verification could not be carried out since the solubility, and hence the development characteristics, change markedly with the percentage value of esterification or amount of residual hydroxyl groups. [Pg.19]

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See also in sourсe #XX -- [ Pg.282 ]



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