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27 August 2009 Design organic molecules for optical and electrical applications
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Extensive research effort is devoted to the investigation on synthesis, physical property of conjugated molecules with pi-electronic systems. These molecules exhibit interesting electrical and optical properties useful for field effect transistor, electrical conductivity, optical nonlinearity, photovoltaic and electroluminescent properties.[1-6] Conjugated diblock copolymer possessing a rod-rod structure will be rigid rods, which dictate their assembling behaviors. Since the structure of the conjugated blocks can be modified with different functional groups, such as donor and acceptor groups, the electronic properties of the resulting diblock copolymers can be engineered to behave like semiconductor p-n junctions, offering opportunity to observe rectification effects. These properties are closely related to photovoltaic effect and can find application in solar energy harvesting. In this paper, we describe several molecular systems that show clear rectification effect. [9-12]
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Luping Yu "Design organic molecules for optical and electrical applications", Proc. SPIE 7413, Linear and Nonlinear Optics of Organic Materials IX, 74130H (27 August 2009);

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