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基于p-phenylenevinylene) 的高效聚合物,含有用于发光二极管的oxadiazole悬挂组

Sung-Ho Jin1, Mock-Yeon Kim, Jin Young Kim

  • 1Department of Chemistry Education and Center for Plastic Information System, Pusan National University, Busan 609-735, Korea. shjin@pusan.ac.kr

Journal of the American Chemical Society
|February 26, 2004
PubMed
概括

在聚合物发光二极管 (PLED) 中,基于聚乙烯 (PPV) 的新型聚合物Oxa-PPV和DMOP-PPV具有高亮度和发光效率. 由于增强的电荷平衡和能量转移,Oxa-PPV表现出卓越的性能.

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Aryldiazonium Salts to Azo Dyes: Diazo Coupling01:11

Aryldiazonium Salts to Azo Dyes: Diazo Coupling

The reaction of weakly electrophilic aryldiazonium (also called arenediazonium) salts with highly activated aromatic compounds leads to the formation of products with an —N=N— link, called an azo linkage. This reaction, presented in Figure 1, is known as diazo coupling and occurs without the loss of the nitrogen atoms of the aryldiazonium salt. Highly activated aromatic compounds such as phenols or arylamines favor the diazo coupling reaction. The coupling generally occurs at the para position.