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π-conjugated heavy-metal polymers for organic white-light-emitting diodes
π-conjugated heavy-metal polymers for organic white-light-emitting diodes
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机译:用于有机白色发光二极管的π共轭重金属聚合物
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摘要
A polymer mixture emits a broad spectrum of visible light that appears white or near-white in the aggregate. The polymer mixture comprises two (or more) components in the active layer. A heavy atom, such as platinum and/or iridium, present in the backbone of the mixture acts via a spin-orbit coupling mechanism to cause the ratio of fluorescent to phosphorescent light emission bands to be of approximately equal strength. These two broad emissions overlap, resulting in an emission spectrum that appears to the eye to be white.
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