Light‐controlled smart materials: Supramolecular regulation and applications DOI Creative Commons

Zi‐Hao Liao,

Feng Wang

Smart Molecules, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 15, 2024

Abstract Smart materials serve as the fundamental cornerstone supporting humanity's transition into intelligent era. possess capability to perceive external stimuli and respond accordingly. Light‐controlled smart (LCSMs) are a significant category that can sense light stimuli. Light, being non‐invasive, precisely regulated, remotely controllable source of physical stimulation, makes LCSMs indispensable in certain application scenarios. Recently, construction using supramolecular strategies has emerged research focus. Supramolecular assembly, based on non‐covalent bonding, offers dynamic, reversible, biomimetic properties. By integrating systems with photoresponsive molecular building blocks, these achieve synergistic rich stimulus responses. This review delves latest advancements strategies. There four sections this review. The first section defines outlines their advantages. second discusses design approaches LCSMs. third highlights over past 3 years. fourth summarizes current provides insights future development field.

Language: Английский

Pt(II)/Pd(II)‐Based Metallosupramolecular Architectures as Light Harvesting Systems and their Applications DOI

Dikshit Bokotial,

Koushik Acharyya, Aniket Chowdhury

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(18)

Published: Feb. 21, 2024

The development of artificial light-harvesting systems mimicking the natural photosynthesis method is an ever-growing field research. Numerous such as polymers, metal complexes, POFs, COFs, supramolecular frameworks etc. have been fabricated to accomplish more efficient energy transfer and storage. Among them, coordination complexes (SCCs) formed by non-covalent metal-ligand interaction, shown capacity not only undergo single multistep migration but also utilize harvested for a wide variety applications photocatalysis, tunable emissive systems, encrypted anti-counterfeiting materials, white light emitters This review sheds on behavior both 2D metallacycles 3D metallacages where design ingenuity has executed afford harvesting donor ligands well acceptors.

Language: Английский

Citations

23
A NIR‐Light‐Activated and Lysosomal‐Targeted Pt(II) Metallacycle for Highly Potent Evoking of Immunogenic Cell Death that Potentiates Cancer Immunotherapy of Deep‐Seated Tumors DOI

Chonglu Li,

Le Tu, Yuling Xu

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(37)

Published: May 22, 2024

Though platinum (Pt)-based complexes have been recently exploited as immunogenic cell death (ICD) inducers for activating immunotherapy, the effective activation of sufficient immune responses with minimal side effects in deep-seated tumors remains a formidable challenge. Herein, we propose first example near-infrared (NIR) light-activated and lysosomal targeted Pt(II) metallacycle (1) supramolecular ICD inducer. 1 synergistically potentiates immunomodulatory response via multiple-regulated approaches, involving NIR light excitation, boosted reactive oxygen species (ROS) generation, good selectivity between normal tumor cells, enhanced penetration/retention capabilities. Specifically, has excellent depth-activated ROS production (~7 mm), accompanied by strong anti-diffusion anti-ROS quenching ability. In vitro experiments demonstrate that exhibits significant cellular uptake generation cells well respective multicellular spheroids. Based on these advantages, induces more efficient an ultralow dose (i.e., 5 μM) compared clinical inducer-oxaliplatin (300 μM). vivo, vaccination further serves potent inducer through eliciting CD8

Language: Английский

Citations

14
Multi‐Stimuli‐Responsive Carbon Dots with Intrinsic Photochromism and In Situ Radical Afterglow DOI

Zhenli Guo,

Yanfang Bian,

Longyan Zhang

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 13, 2024

The combination of advanced photoluminescence characteristics to photochromism is highly attractive in preparing high-performance multifunctional photo-responsive materials for optoelectronic applications. However, this rather challenging material design owing the limited mechanism understanding and construction principles. Here, an effective strategy integrate afterglow emission carbon dots (CDs) proposed through embedding naphthaleneimide (NI) structure CDs followed by polyvinylpyrrolidone (PVP) encapsulation. NI-structured CDs-PVP shows intrinsic situ formation NI-radical anions controllable multi-stimuli-responsive behaviors related oxygen-trigged triplet exciton quenching Förster resonance energy transfer (FRET) from pristine photoactivated radicals. Notably, a wide range appearance colors colorless brown, luminescence color transition blue yellow, much elongated lifetime up 253 ms are observed. With extraordinary stimuli-chromic stimuli-luminescent film dynamically responsive multiple external stimuli, reversible secure snapchat, data encryption/decryption synaptic imaging recognition realized. These findings demonstrate fundamental principle photochromic with afterglow, providing important understandings on synergic dynamic thereby expanding their applications information anti-counterfeiting artificial intelligence.

Language: Английский

Citations

13
Advanced Functional Spiropyran‐Based Smart Materials with Rapid and Reversible Photochromic Response for Optical Sensing Applications DOI Open Access
Deepika Sharma,

Sachin Goyal,

Kamlesh Kumar

et al.

Advanced Materials Technologies, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 31, 2025

Abstract Stimuli‐responsive materials with optical adaptibility to external triggers are versatile for diverse applications. Among these, smart chromic molecular photoswitching enable real‐time absorption changes indications, crucial sensing, security, sensors, authentication, and anti‐counterfeiting This current study presents an intriguing approach develop spiropyran (SP)‐based switches rapid reversible photochromism. Three dual‐responsive functional SPs (f‐SPs) dyes varying SP moieties (1–3) synthesized using straightforward chemical method. The responsiveness of f‐SPs dual stimuli, such as organic solvents polarity light sources different wavelengths (365 530 nm), is investigated. increasing (non‐polar polar) facilitated stabilization merocyanine (MC) isomer. On contrary, upon irradiation sources, exhibited significant, real‐time, highly in color. photochromic reversibility within 20 s increased moieties. Furthermore, incorporated into Polydimethylsiloxane (PDMS) polymer matrix. resulting composite films displayed exceptional photostability, responses, reduced photo fatigue. Additionally, versatility sensing demonstrated by tailoring structural isomerization these photo‐patterning work paves way advanced cutting‐edge

Language: Английский

Citations

1
High‐Security Plastic with Integrated Holographic and Phosphorescent Images DOI Open Access
Ming Yao, Wei Wei,

Weiguo Qiao

et al.

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 19, 2025

Abstract Organic room temperature phosphorescence (ORTP) polymer materials have sparked considerable research interests in recent years, but their optical function is still limited for multi‐mode imaging. Herein, a feasible and universal approach proposed to endow ORTP with periodic refractive index modulation functions by holographic patterning. The key this design two‐stage stepwise crosslinking. Stage‐1, low crosslinking density (≤0.75 mol L −1 ), phosphorescence‐silent can provide greater free volume monomer diffusion thus facilitate the patterning of modulated holograms via photopolymerization‐induced phase separation. dense at stage‐2 turn on intensity rising 144% when increases from 3.77 4.12 . enhanced primarily ascribed increase conformational distortion spin‐orbit coupling organic phosphors based theoretical calculations. Eventually, first example demonstrated plastic unique capability independently displaying andphosphorescent images. This work not only provides novel paradigm impart added also paves way development high‐security combat counterfeiting.

Language: Английский

Citations

1
Host–Guest Interactions Induced Enhancement in Oxidase-Like Activity of a Benzothiadiazole Dye Inside an Aqueous Pd8L4 Barrel DOI
Debsena Chakraborty, Navjot Kaur,

Jagabandhu Sahoo

et al.

Journal of the American Chemical Society, Journal Year: 2024, Volume and Issue: 146(36), P. 24901 - 24910

Published: Aug. 28, 2024

The effect of host–guest interactions on the chemistry encapsulated molecules is a fascinating field research that has gained momentum in recent years. Much work this been focused such catalysis and photoluminescence dyes. However, related photoinduced processes, as photoregulated oxidase-mimicking activity, not explored much. Herein, we report unique example enhancement oxidase-like activity benzothiadiazole dye (G1) water through encapsulation within M8L4 molecular barrel (1). Favorable helped guest G1 to have better electron transfer oxygen leading increased production superoxide radical anions activity. Furthermore, inside 1 also caused change redox potentials which after produced oxidizing agent than free G1. These phenomena combined enhance upon cage 1. present demonstrates processes.

Language: Английский

Citations

6
Supramolecular glass: a new platform for ultralong phosphorescence DOI

Fei Nie,

Dongpeng Yan

Science China Materials, Journal Year: 2024, Volume and Issue: 67(11), P. 3531 - 3536

Published: Oct. 11, 2024

Language: Английский

Citations

6
A Highly Selective Probe for Real-Time Monitoring of Ethylenediamine with Ratiometric Luminescent and Colorimetric Dual-Mode Responses DOI
Qian Zhou,

Xiurong Ma,

Xian Meng

et al.

Analytical Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 14, 2025

Ethylenediamine (EDA), as an important chemical raw material and fine intermediate, has been widely applied in various industries. Real-time monitoring of EDA is highly desirable daily life due to its potential threat human health. Herein, we report a molecular probe named 4,4'-(9H-carbazole-3,6-diyl)bis(1-(naphthalen-2-ylmethyl)pyridin-1-ium) iodide (p-N-DPC·I2) with ratiometric luminescent colorimetric dual-mode responses toward EDA, endowing sensitive selective detection method for real-time monitoring. The experimental theoretical calculation results revealed that the response mechanism was forming charge transfer (CT) state when p-N-DPC·I2 met EDA. In addition, hydrogel-based sensing chip developed achieve ultrasensitive recognition vapor naked eye at concentration low 10 ppm. This study new fluorescent modes detect both solution vapor.

Language: Английский

Citations

0
Stereolithography 3D printing upon near-infrared photopolymerization DOI
Xianglong He, Yayu Shao, Yangyang Xin

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 160857 - 160857

Published: Feb. 1, 2025

Language: Английский

Citations

0
From nano to macro: Light‐driven chiral dopants in liquid crystals DOI Creative Commons
Yang Zhang, Ruoling Liu, Jiawen Chen

et al.

Deleted Journal, Journal Year: 2025, Volume and Issue: unknown

Published: March 20, 2025

Abstract Harnessing nanoscale molecular structural changes to achieve precise control over macroscopic devices represents an emerging and effective strategy. One promising approach involves the introduction of light‐driven chiral dopants into liquid crystals (LCs), enabling fine‐tuned modulation helical superstructures in cholesteric (CLCs) via photoisomerization. This strategy opens up exciting possibilities for development innovative photo‐responsive with dynamic functionalities. review focuses on most common used LCs, including azobenzene, diarylethene, α ‐cyanostilbene overcrowded alkene. The chemical design principles these four types switches are highlighted, along their abilities induce pitch inversion CLCs. Finally, applications controlling showcased, particularly display technologies, anti‐counterfeiting, optical 3D droplet manipulation. It is hoped that this provides valuable insights guidances novel advancement soft matter material applications.

Language: Английский

Citations

0