Abstract
Metalla-ynes and poly(metalla-ynes) have emerged as unique molecular scaffolds with fascinating structural features and intriguing photo-luminescence (PL) properties. Their rigid-rod conducting backbone with tunable photo-physical properties has generated immense research interests for the design and development of application-oriented functional materials. Introducing a second d- or f-block metal fragment in the main-chain or side-chain of a metalla-yne and poly(metalla-yne) was found to further modulate the underlying features/properties. This review focuses on the photo-physical properties and opto-electronic (O-E) applications of heterometal grafted metalla-ynes and poly(metalla-ynes).
Highlights
Metalla-ynes and poly(metalla-ynes) are rigid-rod type molecular systems in which one or more transition metal ions are connected to the alkynyl unit via σ-linkage [1,2]
Owing to their excellent photo-luminescence (PL) properties, structural features and diverse applications, this class of materials has received significant attention in the last two decades. In this class of materials, the electronic structure and properties are a function of the overall chemical composition of the material, i.e., type of organic spacers, no. of alkynyl units, metal fragments, and auxiliary ligands attached to the metals [1,3,4,5]
Several functional materials have been developed with potential application in molecular electronics, photo-voltaic, organic light-emitting diodes (OLEDs), bioimaging, catalysis, etc. [3,17,18]
Summary
Al-Balushi 1, * , Ashanul Haque 2, * , Idris J. Al-Busaidi 3 , Houda Al-Sharji 4 and Muhammad S.
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