Using a vacuum ultraviolet excimer lamp! Examining how the chemical structure of polyvinyl alcohol changes.
Vacuum ultraviolet (VUV) light, due to its short wavelength and high photon energy, can break molecular bonds through non-thermal processes, leading to advancements in applications such as cleaning, microfabrication, and surface modification. In this document, after spin-coating a PVA aqueous solution onto a gold-coated substrate, a heating treatment was performed to create a film, which was then irradiated with a xenon excimer lamp (172 nm) under a nitrogen or dry air atmosphere. Using an infrared spectrometer and X-ray photoelectron spectroscopy, we observed changes in the chemical state of the PVA film due to VUV irradiation. [Features] ■ Introduction ■ Experiment ■ Results and Discussion *For more details, please refer to the PDF document or feel free to contact us.
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Quark Technology Co., Ltd. manufactures and sells various industrial equipment utilizing cutting-edge optical application technology. Through the development of vacuum ultraviolet and UV-LED light sources, we have introduced manufacturing technologies for semiconductor production, as well as new displays such as LCDs, PDPs, films, and EL, along with various electronic materials and devices. Additionally, we are planning research and development to address the demand for waste and environmental management equipment, which are pressing medical and social issues. All substances are composed of atoms, nucleons, and "quarks." At Quark Technology, we continue to research light and challenge ourselves in industrial application technologies.
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