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1 December 1997 Optical properties of poly(disilanylene oligophenylenes)
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Abstract
Optical properties of poly[(disilanylene)oligophenylenes] such as poly[(disilanylene) terphenylene] (PDSiTP) and poly[(disilanylene) quarterphenylene] (PDSiQP) have been studied and compared with those of poly(methylpropylsilane), p-terphenyl and p-quarterphenyl. Band-gap energies of PDSiTP and PDSiQP were 3.5 eV and 3.3 eV, respectively, which are similar to those of p-terphenyl and p-quarterphenyl. Among various poly[(disilanylene)oligophenylenes], influence of short alkyl substituents such as methyl and ethyl substituents on their properties are relatively small. However, slightly stronger photoluminescence (PL) is observed in ethyl substituted PDSiTP than in methyl substituted PDSiTP. Blue electroluminescence has been observed in diode of MgIn/PDSiTP/ITO and MgIn/PDSiQP/ITO structures. Spectral narrowing of PL of blue in color due to stimulated emission has been observed both PDSiTP and PDSiQP. Poly[(disilanylene)oligophenylenes] are much more stable than poly(methylpropylsilane) under ultraviolet light irradiation.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Katsumi Yoshino, Masaharu Hirohata, Kazuya Tada, Akihiko Fujii, Masanori Ozaki, Akinobu Naka, and Mitsuo Ishikawa "Optical properties of poly(disilanylene oligophenylenes)", Proc. SPIE 3145, Optical Probes of Conjugated Polymers, (1 December 1997); https://doi.org/10.1117/12.284146
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