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Molecules with enhanced electronic polarizabilities based on 'defect'- like states in conjugated polymers
Molecules with enhanced electronic polarizabilities based on 'defect'- like states in conjugated polymers
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机译:基于共轭聚合物中“缺陷”态的电子极化率增强的分子
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摘要
Highly conjugated organic polymers typically have large non- resonant electronic susceptibilities, which give the molecules unusual optical properties. To enhance these properties, "defects" are introduced into the polymer chain. Examples include light doping of the conjugated polymer and synthesis, conjugated polymers which incorporate either electron donating or accepting groups, and conjugated polymers which contains a photoexcitable species capable of reversibly transferring its electron to an acceptor. Such defects in the chain permit enhancement of the second hyperpolarizability by at least an order of magnitude.
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