Geminal cross-coupling for AIE-active topological tetraarylethene fluorophores
(Conference Presentation)

Ming-Qiang Zhu; Tao Chen; Ze-Qiang Chen

doi:10.1117/12.2216561

27 April 2016 Geminal cross-coupling for AIE-active topological tetraarylethene fluorophores (Conference Presentation)

Ming-Qiang Zhu, Tao Chen, Ze-Qiang Chen

Proceedings Volume 9721, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XIII; 97210G (2016) https://doi.org/10.1117/12.2216561
Event: SPIE BiOS, 2016, San Francisco, California, United States

Abstract

The cross-coupling reactions have been used in C-C bond formation which can be used extensively in optoelectronic materials for organic light emitting diode (OLED), organic photovoltaics and chemical biosensing. Here, we report twofold geminal C-C bond formation at 1,1-dibromoolefins via cross-coupling reactions of aromatic boronic esters over Pd catalysts for multiple topological configurations of π-conjugated molecules. We employ a series of recipes from a precursor toolbox to produce π-conjugated macrocycles, conjugated dendrimers, 1-dimensional linear conjugated polymers, 2-dimensional conjugated microporous polymers (CMPs) and crosslinking conjugated polymer nanoparticles (CCPNs). The π-conjugated macrocycles, dendrimers and 1-D polymers show characteristic aggregation-induced emission properties. 2-D conjugated microporous polymers possess unique porosity of 2-3 nm. This universal strategy toward definite topological configurations of π-conjugated molecules enables efficient coupling of aryl bromides with various coupling partners under mild conditions affording multiple topological conjugated systems with abundant optical and optoelectronic interest.

Conference Presentation

Citation Download Citation

Ming-Qiang Zhu, Tao Chen, and Ze-Qiang Chen "Geminal cross-coupling for AIE-active topological tetraarylethene fluorophores (Conference Presentation)", Proc. SPIE 9721, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XIII, 97210G (27 April 2016); https://doi.org/10.1117/12.2216561

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KEYWORDS

Polymers

Dendrimers

Molecules

Optoelectronics

Organic light emitting diodes

Biosensing

Chemical mechanical planarization

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