Photothermal Nanomaterials: A Powerful Light-to-Heat Converter

Chemical Reviews, Год журнала: 2023, Номер 123(11), С. 6891 - 6952

Опубликована: Май 3, 2023

All forms of energy follow the law conservation energy, by which they can be neither created nor destroyed. Light-to-heat conversion as a traditional yet constantly evolving means converting light into thermal has been enduring appeal to researchers and public. With continuous development advanced nanotechnologies, variety photothermal nanomaterials have endowed with excellent harvesting capabilities for exploring fascinating prospective applications. Herein we review latest progresses on nanomaterials, focus their underlying mechanisms powerful light-to-heat converters. We present an extensive catalogue nanostructured materials, including metallic/semiconductor structures, carbon organic polymers, two-dimensional materials. The proper material selection rational structural design improving performance are then discussed. also provide representative overview techniques probing photothermally generated heat at nanoscale. finally recent significant developments applications give brief outlook current challenges future directions nanomaterials.

Язык: Английский

---

Fibrous Aerogels with Tunable Superwettability for High-Performance Solar-Driven Interfacial Evaporation

Nano-Micro Letters, Год журнала: 2023, Номер 15(1)

Опубликована: Март 10, 2023

Abstract Solar-driven interfacial evaporation is an emerging technology for water desalination. Generally, double-layered structure with separate surface wettability properties usually employed evaporator construction. However, creating materials tunable a great challenge because the of existing monotonous. Herein, we report vinyltrimethoxysilane as single molecular unit to hybrid bacterial cellulose (BC) fibrous network, which can be built into robust aerogel entirely distinct through controlling assembly pathways. Siloxane groups or carbon atoms are exposed on BC nanofibers, resulting in either superhydrophilic superhydrophobic aerogels. With this special property, component-modified aerogels could integrated Under 1 sun, our achieves high rates 1.91 and 4.20 kg m −2 h −1 under laboratory outdoor solar conditions, respectively. Moreover, shows unprecedented lightweight, structural robustness, long-term stability extreme excellent salt-resistance, highlighting advantages synthesis from unit."Image missing"

Язык: Английский

---

Novel pyrene-based aggregation-induced emission luminogen (AIEgen) composite phase change fibers with satisfactory fluorescence anti-counterfeiting, temperature sensing, and high-temperature warning functions for solar-thermal energy storage

Advanced Composites and Hybrid Materials, Год журнала: 2023, Номер 6(4)

Опубликована: Июнь 17, 2023

Язык: Английский

---

Advanced Phase Change Materials from Natural Perspectives: Structural Design and Functional Applications

Advanced Science, Год журнала: 2023, Номер 10(22)

Опубликована: Май 25, 2023

Abstract Phase change materials have garnered extensive interest in heat harvesting and utilization owing to their high energy storage density isothermal phase transition. Nevertheless, inherent leakage problems low efficiencies hinder widespread utilization. Nature has served as a great source of inspiration for addressing these challenges. Natural strategies are proposed achieve advanced thermal management systems, breakthroughs made recent years. This review focuses on advances the structural design functions from natural perspective. By highlighting structure–function relationship, applications including human motion, medicine, intelligent devices discussed detail. Finally, views remaining challenges future prospects also provided, that is, advancing around biomimicry spiral.

Язык: Английский

---

Enabling nonconjugated polyesters emit full-spectrum fluorescence from blue to near-infrared

Nature Communications, Год журнала: 2024, Номер 15(1)

Опубликована: Янв. 8, 2024

Abstract Near-infrared luminophores have many advantages in advanced applications, especially for structures without π-conjugation aromatic rings. However, the fabrication of red clusteroluminogens from nonconjugated polymers is still a big challenge, let alone near-infrared clusteroluminogens. Here, we develop with full-spectrum blue to light (470 ~ 780 nm), based on color phenomenon polyesters synthesized amine-initiated copolymerization epoxides and cyclic anhydrides. We reveal that amines act as initiators attached polymer chain ends. The formation various amine-ester complexes induces light, conceptually, complexed clusteroluminescence via intra/inter-chain charge transfer. Significantly, emission colors can be easily tuned by contents types amines, microstructures polyesters, their concentration. This work provides low-cost, scalable platform strategy production high-efficiency, multicolor luminescent materials.

Язык: Английский

---

Dual-Functional AIE Fluorescent Probe for Visualization of Lipid Droplets and Photodynamic Therapy of Cancer

Analytical Chemistry, Год журнала: 2024, Номер 96(14), С. 5615 - 5624

Опубликована: Март 28, 2024

Abnormal lipid droplets (LDs) are known to be intimately bound with the occurrence and development of cancer, allowing LDs critical biomarkers for cancers. Aggregation-induced emission luminogens (AIEgens), efficient reactive oxygen species (ROS) production performance, prime photosensitizers (PSs) photodynamic therapy (PDT) imaging. Therefore, dual-functional fluorescent probes aggregation-induced (AIE) characteristics that enable both simultaneous LD monitoring imaging-guided PDT is essential concurrent cancer diagnosis treatment. Herein, we reported a novel LD-targeting probe (TDTI) AIE which was expected realize integration through visualization treatment via PDT. We demonstrated TDTI, typical excellent photostability, could target high specificity, enables dynamic tracking in living cells, specific imaging zebrafish, differentiation cells from normal diagnosis. Meanwhile, TDTI exhibited fast ROS generation ability (achieving equilibrium within 60 s) under white light irradiation (10 mW/cm2). The cell apoptosis assay revealed effectively induced growth inhibition HeLa cells. Further, results vivo indicated had good antitumor effect on tumor-bearing mice model. Collectively, these highlight potential utility integrated cancer.

Язык: Английский

---

Tailoring Photoweldable Shape Memory Polyurethane with Intrinsic Photothermal / Fluorescence Via Engineering Metal‐Phenolic Systems

Advanced Functional Materials, Год журнала: 2024, Номер 34(38)

Опубликована: Апрель 9, 2024

Abstract Multifunctional shape memory polymers are significant for next‐generation intelligent systems as smart materials. However, their practical applications limited by toughness, manufacturability, and functional integration strategies. Besides, while 4D printing is used to construct deformable devices, the accessible shapes difficulty of integrating multiple materials hindered development multifunctional devices. Herein, metal‐phenolic coordination crosslinks tailor tough polyurethanes with intrinsic photothermal effect and/or tunable fluorescence. The reversible dissociation complexes upon loading provides an efficient energy dissipation polymer network. photothermal/fluorescent properties target polyurethane can be effortlessly programmed changing coordinated metals ligands. obtained fluorescent displays fluorescence through dissociation‐association dynamic bonds thermal stimulus. Moreover, relying on light‐triggered hybrid exchange reactions among various bonds, heterogeneous interfaces merged manufacture exquisite 3D shape‐shifting devices integrate more advanced functions. As demonstrations, photothermal‐responsive stent, encryption device produced based photo‐welding instead printing. This study not only a convenient supramolecular strategy constructing but also demonstrates feasible method making personalized integrated architectures.

Язык: Английский

---

Aggregation-Induced Emission Luminogens Realizing High-Contrast Bioimaging

ACS Nano, Год журнала: 2025, Номер 19(1), С. 281 - 306

Опубликована: Янв. 2, 2025

A revolutionary transformation in biomedical imaging is unfolding with the advent of aggregation-induced emission luminogens (AIEgens). These cutting-edge molecules not only overcome limitations traditional fluorescent probes but also improve boundaries high-contrast imaging. Unlike conventional fluorophores suffering from aggregation-caused quenching, AIEgens exhibit enhanced luminescence when aggregated, enabling superior performance. This review delves into molecular mechanisms (AIE), demonstrating how strategic design unlocks exceptional and contrast, which crucial for distinguishing healthy diseased tissues. highlights key applications AIEgens, such as time-resolved imaging, second near-infrared window (NIR-II), advancement sensitivity to physical biochemical cue-responsive The development AIE technology promises transform healthcare early disease detection targeted therapies, potentially reshaping personalized medicine. paradigm shift biophotonics offers efficient tools decode complexities biological systems at level, bringing us closer a future where invisible becomes visible incurable treatable.

Язык: Английский

---

Aggregation-induced emission luminogens for assisted cancer surgery

Coordination Chemistry Reviews, Год журнала: 2022, Номер 464, С. 214552 - 214552

Опубликована: Апрель 18, 2022

Язык: Английский

---

Bringing Inherent Charges into Aggregation-Induced Emission Research

Accounts of Chemical Research, Год журнала: 2022, Номер 55(2), С. 197 - 208

Опубликована: Янв. 5, 2022

Charged organic molecules, such as DNA, RNA, proteins, and polysaccharides, are ubiquitous indispensable in natural living systems, which possess specific biological functions to interact with oppositely charged species via electrostatic attraction. The molecules inherent charges typically differentiate themselves from the neutral ones unique attributes (e.g., ionic interactions high polarity), thereby playing a pivotal role broad spectrum of areas, including supramolecular chemistry, structural biology, materials science. It is thus great importance explore develop various systems for biomimicry creation functional materials. In 2001, our group reported peculiar luminogen that exhibited weak emission solution but had significantly enhanced aggregates, we, first time, coined this phenomenon aggregation-induced (AIE). AIE concept changes cognition scientific community toward classic photophysical phenomena. Since discovery unusual luminescence phenomenon, luminogens (AIEgens) have attracted extensive attention researchers plethora disciplines because their brightness large Stokes shift, excellent photostability, good biocompatibility. past 10 years, laboratory has expended amount effort bring into research acquired fruitful achievements.In Account, we summarize progress primarily made by laboratory. We start brief introduction AIEgens then discuss design strategies molecular topological perspectives, respectively. Next, review properties AIEgens, D-A interactions, anion-π+ intermolecular an emphasis on how they analogs. On one hand, positively exhibit forming typical donor-acceptor structures manipulate wavelength or initiate ultralong persistent luminescence. other physiochemical properties, adjustable targeting capability targets strong generation reactive oxygen species. Furthermore, showcase applications imaging diagnosis, photodynamic therapy, gas separation, solar desalination. Finally, conclude Account summary some perspectives regarding existing challenges future directions. hope can spark new ideas inspire scientists different nascent yet promising area.

Язык: Английский

---