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Tetracyanobutadiene Bridged Push-Pull Chromophores: Development of New Generation Optoelectronic Materials
Yuvraj Patil1,2, Holger Butenschön3, Rajneesh Misra1
1Department of Chemistry, Indian Institute of Technology Indore, Indore, 453552, India.
Abstract:
This review describes the design strategies used for the synthesis of various tetracyanobutadiene bridged donor-acceptor molecular architectures by a click type [2+2] cycloaddition-retroelectrocyclization (CA-RE) reaction sequence. The photophysical and electrochemical properties of the tetracyanobutadiene bridged molecular architectures based on various moieties including diketopyrrolopyrrole, isoindigo, benzothiadiazole, pyrene, pyrazabole, truxene, boron dipyrromethene (BODIPY), phenothiazine, triphenylamine, thiazole and bisthiazole are summarized. Further, we discuss some important applications of the tetracyanobutadiene bridged derivatives in dye sensitized solar cells, bulk heterojunction solar cells and photothermal cancer therapy.
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