Morphology Control of Conductive Organic Film using Excimer Laser

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Laser ablation of organic films is a well known phenomenon in which surface of the film etched off upon irradiation with a high intensity ultraviolet pulsed laser beam. Numerous results have indicated that both photo thermal and photochemical mechanisms may be involved in laser ablation of organic films. The change in orientation and morphology of the organic thin film has been observed after laser modification process and analyzed by UV-visible spectrometer and XRD system. This process provides a new approach to make organic field effect transistors with controllable performances and with potential applications for information processing devices and other flexible devices.