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<正> 15-I-001 Light-Emitting PolyacetylenesBen Zhong Tang and Jacky Wing Yip LamDepartment of Chemistry, Hong Kong University of Science & Technology, Ciear Water Bay, Kowloon, Hong Kong, China; E-mail: tangbenz@ust.hkPublications1. Lam, J. W. Y.; Tang, B. Z. J. Polym. Sci. Part A. Polym. Chem. 2003, 41,2607-2629.2. Xie, Z.; Peng, H.; Lam, J. W. Y.; Chen, J.; Zheng, Y.; Qiu, C; Kwok, H. S.; Tang, B. Z. Macromol. Symp. 2003,195,179-184.3. Chen, J.; Xie, Z.; Lam, J. W. Y.; Law, C. C. W.; Tang, B. Z. Macromolecules 2003,36, 1108-1117.Keywords: Polyacetylenes; silole; luminescence; light-emitting diodesAbstract: Notwithstanding their fames as best-known conjugated polymers, polyacetylenes have generally been regarded as unpromising materials for light-emitting applications because unsubstituted polyacetylene itself emits weakly in the infrared region. Our group has launched a research orogram in preoaring