異なる基板上に作成したバナジルフタロシアニン単結晶のAnneal処理効果(工学部:電気工学科)

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Epitaxially-grown thin films are an important material in the development of optical devices, such as optical switching and memory. Vandyl-phthalocyanine (VOPc) is a material that can be epitaxially-grown, and it is thought that if a VOPc single crystal can be made successfully, it will have many applications to optical devices. Our research group reports that the VOPc single crystal could be made on a KBr substrate by an annealing treatment. However, a VOPc single crystal of a practical size has not been successfully made. Therefore, an annealing treatment was applied at the preparation stage of the VOPc crystal growth to make it the VOPc single crystal of the bigger size than the VOPc single crystal prepared for up to now. The morphology and form of the VOPc single crystal was measured and observed by Vis/UV spectroscopy and scanning electron microscopy (SEM). In the case when the VOPc single crystal was prepared by the alternating technique of evaporating and annealing, the VOPc single crystal was larger than that fabricated by evaporating alone. On the other hand, the growing mechanism of a VOPc single crystal on a substrate is still unclear. Therefore, we prepared VOPc single crystals on different substrates. The VOPc single crystal was fabricated on a KBr substrate and formed a square single crystal, while the VOPc single crystal prepared on a NaCl substrate formed a needle crystal. VOPc single crystals cannot be successfully grown on a quartz glass substrate. This study investigates the relationship between the grown crystal type, and the substrate from which it grew.
愛知工業大学の論文
2004-03-31

異なる基板上に作成したバナジルフタロシアニン単結晶のAnneal処理効果(工学部:電気工学科)

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