Photochromic diarylethene induced fluorescence switching materials constructed by non-covalent interactions

Li, Qing-Feng; Zhang, Longlong; Shen, Mengdan; Wang, Jin-Tao; Jin, Lin; Wang, Zhenling

doi:10.1039/d3tc02310a

J. Mater. Chem. C

2023

DOI: 10.1039/d3tc02310a

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Photochromic diarylethene induced fluorescence switching materials constructed by non-covalent interactions

Qing-Feng Li,

Longlong Zhang,

Mengdan Shen

et al.

Abstract: This review summarizes recent developments of diarylethene-based photochromic fluorescence switches constructed by non-covalent interactions, and the structural design principles of diarylethenes and fluorophores are discussed.

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2024

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Cited by 8 publications

References 104 publications

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High‐Capacity Photochromic Rotary Encoder for Information Encryption and Storage

Li,

Liu,

Shao

et al. 2024

Adv Funct Materials

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Photochromic materials are widely used in optical data storage, data encryption, and anti‐counterfeiting because of their ability to be written, erased, and read repeatedly. However, conventional information encryption and storage capabilities based on a “matrix” pattern in a 2D plane are limited to fewer storage dimensions, making information less secure. Here, a new concept of expanding the storage dimensions is presented by manipulating the rotation angle in 2D photochromic encoding disks based on the principle of the absolute encoder. For this purpose, a novel photochromic material, NaNbO3:xEu3+ is developed, with highly efficient red emission, a large luminescence switching contrast, and antithermal quenching behavior. The designed photochromic rotary encoder made with the NaNbO3‐based material exhibits higher‐level data encryption than that of conventional encoders and unlimited storage capability. This study presents exciting opportunities for information storage and encryption using luminescent photochromic materials.

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High‐Capacity Photochromic Rotary Encoder for Information Encryption and Storage

Li,

Liu,

Shao

et al. 2024

Adv Funct Materials

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Purely Optical, Reversible, Read‐Write‐Erase Cycling Using Photoswitchable Beads in Micropatterned Arrays

Zhang,

Dharpure,

Philipp

et al. 2024

Advanced Optical Materials

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Using surface‐templated electrophoretic deposition, arrays of polymer beads (photonic units) incorporating photo‐switchable DAE molecules are created, which can be reversibly and individually switched between high and low emission states by direct photo‐excitation, without any energy or electron transfer processes within the molecular system. The micropatterned array of these photonic units is spectroscopically characterized in detail and optimized with respect to both signal contrast and cross‐talk. The optimum optical parameters including laser intensity, wavelength and duration of irradiation are elucidated and ideal conditions for creating reversible on/off cycles in a micropatterned array are determined. 500 such cycles are demonstrated with no obvious on/off contrast attenuation. The ability to process binary information is demonstrated by selectively writing information to the given photonic unit, reading the resultant emissive signal pattern and finally erasing the information again, which in turn demonstrates the possibility of continuous recording. This basic study paves the way for building complex circuits using spatially well‐arranged photonic units.

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Construction of dual-mode photochromic fluorescence switching system based on water-soluble rare earth phosphates and carboxyl-containing diarylethene

Li,

Liu,

et al. 2024

Dyes and Pigments

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Photochromic diarylethene induced fluorescence switching materials constructed by non-covalent interactions

Abstract: This review summarizes recent developments of diarylethene-based photochromic fluorescence switches constructed by non-covalent interactions, and the structural design principles of diarylethenes and fluorophores are discussed.

Cited by 8 publications

References 104 publications

High‐Capacity Photochromic Rotary Encoder for Information Encryption and Storage

High‐Capacity Photochromic Rotary Encoder for Information Encryption and Storage

Purely Optical, Reversible, Read‐Write‐Erase Cycling Using Photoswitchable Beads in Micropatterned Arrays

Construction of dual-mode photochromic fluorescence switching system based on water-soluble rare earth phosphates and carboxyl-containing diarylethene

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