A Universal Strategy for Modular Tunable Full‐Color Circularly Polarized Luminescent Materials with Afterglow

Author:

Wang Tong1,Sun Siyu1,Jiang Xiangyu12,Ma Xiang1ORCID

Affiliation:

1. Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry Institute of Fine Chemicals School of Chemistry and Molecular Engineering East China University of Science & Technology Meilong Road 130 Shanghai 200237 China

2. Shanghai Foreign Language School Affiliated to SISU Zhongshan North Road 295, Hongkou Shanghai 200083 China

Abstract

AbstractCircularly polarized luminescence (CPL) has shown significant potential for use in optoelectronic information and biomedical applications. Previously, the construction of CPL in thin films has often required the introduction of chiral groups into the system, which is efficient but complicated to synthesize and separate enantiomeric isomers. This manuscript proposes a simple and efficient strategy to construct dye‐doped polyvinyl alcohol (PVA) thin films with controlled orientation of the panchromatic CPL signal. This strategy can be generalized to the construction of thin‐film CPL. Besides, the metal‐free pure circularly polarized afterglow material is reported here to be adjustable. Moreover, the PVA films can be cut and stacked in a modular way to obtain different emission effects to induce mixed CPL, and three primary colors can be piled up together to induce white CPL. The PVA film has good prospects for use in optical devices, for example, anti‐counterfeiting of information and optical information encryption.

Funder

National Key Research and Development Program of China

National Natural Science Foundation of China

Program of Shanghai Academic Research Leader

Fundamental Research Funds for the Central Universities

Publisher

Wiley

Subject

Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials

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