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The transformation of 1,2-bis(1-arylvinyl)ditellurides into 2,5-diaryltellurophenes by sequential ditelluride exchange and thermal intramolecular cyclization reactions is presented, and the optoelectronic properties of a series of 2,5-diaryltellurophenes with both electron-donating and electron-withdrawing aryl substituents are disclosed. Furthermore, the multicolored emissive tellurophenes in solution at room temperature have been demonstrated.

The Buchwald-Hartwig amination of a phosphinine bearing a bromophenyl moiety was carried out using a dinuclear Ni catalyst. A variety of monoarylamines, diarylamines, and alkylamine, as well as heterocycles, were successfully converted into novel phosphinines bearing amine units. The photophysical properties of these novel phosphinines were examined, including the substituent-dependent absorption/emission features and intramolecular charge-transfer interactions.

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In this paper, operator based robust nonlinear control system design is considered for Peltier actuated process by using robust right coprime factorization and pre-compensator. A merit of the operator based approach is the simplicity of analyzing the stability of nonlinear systems. Especially, operator based robust right coprime factorization is one of the most useful methods to analyze and stabilize a nonlinear process. In details, operator based tracking scheme with pre-compensator is designed to control the Peltier actuated process. The effectiveness of the designed system is confirmed by experimental results.Index Terms-Peltier actuated process. Operator based robust nonlinear control. Robust right coprime factorization. Precompensator.