Optical properties of chalcogen-loaded zeolite (ZSM-5)

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概要

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• Sulfur, selenium, and tellurium were loaded into sub-mm size ZSM-5 single crystals and the optical properties have been comparatively studied. S and Te show similar features, while Se is unique. S and Te have optical absorption edges at wavelengths of ～400 nm with transmission dips at ～450 nm, while Se has the edge at ～550 nm. The three materials provide photoluminescence at visible wavelengths, with intensities of S and Te being stronger than that of Se by two orders. These optical properties imply that S and Te in the zeolite form small atomic units such as S3 and Te2, while Se condenses into single-chain structures.

著者

• Tanaka Keiji

  Dep. Of Applied Physics Graduate School Of Engineering Hokkaido Univ. Sapporo 060-8628 Jpn

関連論文

• Optical properties of chalcogen-loaded zeolite (ZSM-5)
• Photo-induced phenomena in chalcogenide glass : Comparison with those in oxide glass and polymer

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