Simultaneously achieving high capacity storage and multilevel anti-counterfeiting using electrochromic and electrofluorochromic dual-functional AIE polymers

Chemical Science, Journal Year: 2021, Volume and Issue: 12(20), P. 7058 - 7065

Published: Jan. 1, 2021

By using electrical stimuli-responsive AIE polymers, dual-mode display devices, multidimensional information storage and anti-counterfeiting devices were constructed.

Language: Английский

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White-light emission from organic aggregates: a review

Advanced Photonics, Journal Year: 2021, Volume and Issue: 4(01)

Published: Dec. 30, 2021

White light, which contains polychromic visible components, affects the rhythm of organisms and has potential for advanced applications lighting, display, communication. Compared with traditional incandescent bulbs inorganic diodes, pure organic materials are superior in terms better compatibility, flexibility, structural diversity, environmental friendliness. In past few years, emission been obtained based on aggregates, provides a platform to achieve white-light emission. Several emitters sporadically reported, but underlying mechanistic picture is still not fully established. Based these considerations, we will focus single-component multicomponent strategies efficient from aggregates. Thereinto, strategy introduced four parts: dual fluorescence, fluorescence phosphorescence, phosphorescence anti-Kasha's behavior, clusteroluminescence. Meanwhile, doping, supramolecular assembly, cocrystallization summarized as systems. Beyond construction emitters, their representative applications, such light-emitting white luminescent dyes, circularly polarized luminescence, encryption, also prospected. It expected that this review draw comprehensive aggregates well emerging applications.

Language: Английский

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Photoresponsive Polymers with Aggregation-Induced Emission

ACS Applied Polymer Materials, Journal Year: 2021, Volume and Issue: 3(5), P. 2290 - 2309

Published: April 29, 2021

Photoresponsive polymers have become one of the most important smart materials due to their unique advantages such as excellent sensitivity, high contrast, and rapid response. Endowing photoresponsive with aggregation-induced emission (AIE) can not only enrich research science but also expand applications materials. AIE are generally constructed by combining luminogens (AIEgens) units via chemical, supramolecular, or physical strategies. In terms working mechanisms, two main responsive systems, namely, photochemical photophysical, summarized specific application examples. been applied in chemosensors, photopatterning, photodegradable biosystems for photodynamic therapy, photothermal photoacoustic imaging, photobiosynthesis. This Review concludes a discussion on challenges perspectives future directions this field. All achievements mentioned indicate fascinating properties bright polymers.

Language: Английский

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Recent Advances in AIEgen‐Based Photodynamic Therapy and Immunotherapy

Advanced Healthcare Materials, Journal Year: 2021, Volume and Issue: 10(24)

Published: Sept. 14, 2021

Abstract Cancer, one of the leading causes death, has seriously threatened public health. However, there is still a lack effective treatments. Nowadays, photodynamic therapy (PDT), relying on photosensitizers to trigger generation reactive oxygen species (ROS) for killing cancer cells, been emerging as noninvasive anti‐cancer strategy. To enhance overall efficacy PDT, various approaches including molecular design and combination with other therapeutic techniques have proposed implemented. Especially, immunotherapy that can effectively evoke body's immune response attracted much attention. Recently, class aggregation‐induced emission (AIE) character shown unique promises, taking advantage their profound fluorescence ROS‐generating ability in aggregation state. Despite promising results demonstrated by several groups, associated studies are few mechanism such AIEgen‐based not fully understood. This review discusses recent advances enhanced PDT special focus AIE immunotherapy, aiming inspire more opportunities in‐depth investigation working principles this approach.

Language: Английский

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Recent Progress in Type I Aggregation-Induced Emission Photosensitizers for Photodynamic Therapy

Molecules, Journal Year: 2022, Volume and Issue: 28(1), P. 332 - 332

Published: Dec. 31, 2022

In modern medicine, precision diagnosis and treatment using optical materials, such as fluorescence/photoacoustic imaging-guided photodynamic therapy (PDT), are becoming increasingly popular. Photosensitizers (PSs) the most important component of PDT. Different from conventional PSs with planar molecular structures, which susceptible to quenching effects caused by aggregation, distinct advantages AIE fluorogens open up new avenues for development image-guided PDT improved accuracy efficacy in practical applications. It is critical that much energy absorbed materials dissipated into pathways required maximize biomedical applications possible. Intersystem crossing (ISC) represents a key step during conversion process determines many fundamental properties, increasing efficiency reactive oxygen species (ROS) production PSs, thus enhancing efficacy. Although some review articles have summarized accomplishments various imaging therapeutics, few them focused on how improve phototherapeutic applications, especially PDT, adjusting ISC organic optics materials. this review, we emphasize latest advances reasonable design AIE-active type I photochemical mechanism anticancer or antibacterial based modulation, well discuss future prospects challenges them. order it aim offer advice their best conversion.

Language: Английский

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