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17 June 1993 Experimental study of photoluminescence of trans-cisoid and cis-transoid polyphenylacetylene
Zhigang Cai, Xu Guang Huang, Zhenxin Yu, Run G. Sun, Changqin Jin, Xinyi Zhang, Mujie Yang
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Proceedings Volume 1861, Ultrafast Pulse Generation and Spectroscopy; (1993) https://doi.org/10.1117/12.147060
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States
Abstract
The result of experimental studies of Photoluminescence (PL) in cis-transoid and trans-cisoid polyphenylacetylene were presented. The samples were prepared by a. newly-developed method using rare-earth metal catalyst. In contrast to polyacetylenea, the obtained PPA samples were soluble in common organic solvents and can be proceaaed into thin film. Comparing the results of diferent form of samples: powder, film and toluene solution samples, we concluded that, the observed fut PL decay is caused by the polaronic exciton radiative recombination, which will diminished when the inter-chain charge transfer took place, while the slow PL decay is related to the intra-chain bipolaron recombination.
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Zhigang Cai, Xu Guang Huang, Zhenxin Yu, Run G. Sun, Changqin Jin, Xinyi Zhang, and Mujie Yang "Experimental study of photoluminescence of trans-cisoid and cis-transoid polyphenylacetylene", Proc. SPIE 1861, Ultrafast Pulse Generation and Spectroscopy, (17 June 1993); https://doi.org/10.1117/12.147060
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KEYWORDS
Luminescence
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