Multi-stimuli responsive emissive NLOphoric colorants – A recent trend in research. (April 2019)

• Record Type: Journal Article
• Authors: Rajeshirke, Manali; Sekar, Nagaiyan
• Is Part Of: Dyes and pigments. Volume 163(2019)
• Page Start: 675
• Page End: 683
• Publication Date: 2019-04
• Subjects: NLOphores -- Fluorescent molecular rotor -- Aggregation induced emission enhancement -- Styryls -- β-diketones -- Triphenyl amine; Dyes and dyeing -- Periodicals; Pigments -- Periodicals; 667.2
• DOI: 10.1016/j.dyepig.2018.12.063
• Languages: English
• ISSNs: 0143-7208

Abstract

Abstract: The organic nonlinear optical (NLO) materials are studied widely owing to the advantages over the inorganic NLO materials recently [1]. The organic NLOphores include a variety of chromophores explored for wide range of potential applications in optoelectronics, and biology. This review focuses on the organic NLOphores with multi functionality especially the Aggregation Induced Emission Enhancement (AIEE) and Fluorescent Molecular Rotor (FMR) responsive stimuli. The discussion will be on the structural aspects of the organic NLOphores which give an additional top up on the functionality and utility of the NLOphore and thus increase the market value of the NLOphores. Emphasis is on the understanding of the basic properties and applicability of the same. Recent advances in the approaches towards the multi-stimuli organic NLO materials are presented. Highlights: The review focuses on the organic NLOphores with multi functionality especially the Aggregation Induced Emission Enhancement (AIEE) and Fluorescent Molecular Rotor (FMR) along with NLO responsive stimuli. The basic requirements for incorporation a particular property in fluorophore is understood from the structure-property-relationship. The multi-functional NLOphores could be tuned by having push-pull designs with large charge transfer, freely rotatable large aryl end groups with environment dependent TICT excited state. We hope review to be useful to the researchers to design multi-functional NLOphores.