2D self-assembly of<i>o</i>-OPE foldamers for chiroptical barcoding

López-Sicilia, Irene; Ortuño, A.; Reiné, Pablo; Otero, Dario; Martín‐Romero, María T.; Camacho, Luis; Cienfuegos, Luı́s Álvarez de; Orte, Ángel; Giner‐Casares, Juan J.; Miguel, Delia; Cuerva, Juan M.

doi:10.1039/d2tc05208c

J. Mater. Chem. C

2023

DOI: 10.1039/d2tc05208c

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2D self-assembly ofo-OPE foldamers for chiroptical barcoding

Irene López-Sicilia

A. Ortuño

Pablo Reiné

et al.

Abstract: We report on the preparation and characterization of two dimensional (2D) films of (S,S,P)-1 and (R,R,M)-1 orto-oligophenylene ethylene (o-OPE) enantiomers presenting high values of circularly polarized luminiscence (CPL). The amphiphilic...

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Chiral TPE Foldamers in Macrocycles: Aggregation Enhanced Emission and Circularly Polarized Luminescence

Wang,

Cui,

Wang

et al. 2023

Chemistry A European J

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Chiral macrocycles with circularly polarized luminescence (CPL) have attracted increasing attention due to the rigid structure, symmetrical chiral geometry and large luminescence dissymmetry factors (glum). However, most chiral macrocycles are more emissive in solutions but have weakened fluorescence quantum yields (ΦF) in aggregates, limiting their further application. In this paper, chiral macrocycle R/S‐PhTPE was synthesized by combining chiral macrocycle architectonics with Z‐o‐phenyltetraphenylethylene (PhTPE) foldamer. Enhanced solution state emission and characteristic aggregation enhanced emission (AEE) effect can be observed for R/S‐PhTPE due to the folded PhTPE conformation. Macrocycle immobilization and folded conformation endow PhTPE moiety with stable helical conformation. Most importantly, R/S‐PhTPE exhibits opposite CPL signals compared with common chiral TPEs, demonstrating the evident impact of folded conformation. This work reports the first and deep insights into the chiroptical properties of chiral PhTPE foldamers, and will provide a new strategy to tune ФF and CPL signals of AIE active chiral macrocycles.

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Chiral TPE Foldamers in Macrocycles: Aggregation Enhanced Emission and Circularly Polarized Luminescence

Wang,

Cui,

Wang

et al. 2023

Chemistry A European J

View full text Add to dashboard Cite

show abstract

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2D self-assembly ofo-OPE foldamers for chiroptical barcoding

Abstract: We report on the preparation and characterization of two dimensional (2D) films of (S,S,P)-1 and (R,R,M)-1 orto-oligophenylene ethylene (o-OPE) enantiomers presenting high values of circularly polarized luminiscence (CPL). The amphiphilic...

Cited by 1 publication

References 60 publications

Chiral TPE Foldamers in Macrocycles: Aggregation Enhanced Emission and Circularly Polarized Luminescence

Chiral TPE Foldamers in Macrocycles: Aggregation Enhanced Emission and Circularly Polarized Luminescence

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