photothermal conversion nir
Progress on Photothermal Conversion in the Second NIR
Graphical Abstract Conjugated NIRII photothermal polymers: This review mainly discusses the key factors for improving photothermal conversion Enhanced photothermal heating and combination therapy of NIR dye via conversion to selfassembled ionic nanomaterials S Macchi, A Jalihal, N Hooshmand, M Zubair, Enhanced photothermal heating and combination therapy of NIR
Fluorination Enhances NIRII Emission and Photothermal
As important parameters of phototheranostic agents (PTAs), fluorescence quantum yield (QY) and photothermal conversion efficiency (PCE) are usually considered as a pair of NEU20 enables precise control of photothermal temperatures through UV exposure duration besides changing the NIR laser power, and its photothermal Photoinduced radicals modulated NIR photothermal conversion in
Enhancing the photothermal conversion of RSC
The potential candidates of photothermal materials include organics (small molecules, 12–16 cocrystals, 17 polymers, 18,19 and covalent organic frameworks 20–22 ), inorganics (carbonbased Second nearinfrared photothermal therapy (NIRII PTT, 1000–1500 nm) has recently emerged as a new phototherapeutic modality with the advantages of deeper penetration, less energy dissipation and minimal Second nearinfrared photothermal materials for
Selfassembled organic nanomedicine enables ultrastable
Inspired by the intense absorption of NanoBFF in both NIRI and NIRII biowindow, we exploited the in vitro photothermal conversion performance of Nano In view of the distinct advantages of deep tissue penetration of NIR‐II light and the outstanding biocompatibility of conjugated polymers, the design and development of Progress on Photothermal Conversion in the Second NIR Window
Recent Progress on NIRII Photothermal Therapy PMC
After 1,064 nm laser irradiation, the temperature of NIRIICD/BP increased by 257°C, and finally reached 537°C ( Figure 4C ), showing excellent photothermal conversion ability; while the temperature of NIRIICD and BP NSs only increased to 482°C and 443°C under the same conditionsThe developed F127modified PANPs (FPANPs) had a high molar extinction coefficient of 895 × 10 8 m −1 cm −1, and high NIR photothermal conversion efficiency of 485% Furthermore, combined with NIR irradiation at 808 nm and injection of FPANP samples, in vivo photothermal ablation of tumor with excellent treatment efficacy NIR photothermal therapy using polyaniline nanoparticles
Subcutaneous power supply by NIRII light Nature
Characterization of PT layer’s photothermal conversion NIRII light was provided by a pumped solidstate laser (30 W, Ningbo Yuanming laser Co)We report a supramolecular naphthalene diimide (NDI) radical anion with efficient NIRII photothermal conversion for E coliresponsive photothermal therapyThe supramolecular radical anion (NDI2CB[7])⋅ −, which is obtained from the E coliinduced in situ reduction of NDI2CB[7] neutral complex, formed by the host–guest interaction A Supramolecular Naphthalene Diimide Radical Anion with Efficient NIR
Gold NanorodsBased Photothermal Therapy: Interactions
The NIR irradiation conditions are essentially an external field applied to nanomaterials and biological structures, and the intensity, duration, area, and form of irradiation are directly related to the efficiency of photothermal conversion, inflammatory response, and damage to normal cells and tissues caused by irradiation with AuNRs To develop highefficiency nearinfrared (NIR) gold (Au)based photothermal nanomaterials, the architectures of twodimensional nanoplates/nanosheets or nanoparticles with hollow interiors could be two favorable options to realize the redshift of major plasmonic absorptions towards a longer wavelength HereGoldbased nanostructures for efficient NIRII photothermal conversion
Coupling molecular rigidity and flexibility on fused backbones for NIR
Great attention is being increasingly paid to photothermal conversion in the nearinfrared (NIR)II window (1000–1350 nm), where deeper tissue penetration is favored To date, only a limited number of organic photothermal polymers and relevant theory have been exploited to direct the molecular design of polymers with highly efficient photothermal The NIR photothermal effects of nanomaterials with photontothermal energy conversion under skinpenetrating NIR irradiation have become a research focus because of their potential applicationsSupra(carbon nanodots) with a strong visible to nearinfrared
Recent Progress of Sub‐Nanometric Materials in Photothermal
In the hybrid MoO 3 –POM structures, all the four kinds of MoO 3 –POM HSNSs showed strong NIR light absorption and highly efficient photothermal conversion (Figure 5g–i) Among them, the MoO 3 –PW 12 O 40 HSNSs exhibited the best performance under an 808 nm laser irradiation, with the temperature increase of 423 °C within 600 sPDA exhibits broad absorption ranging from ultraviolet (UV) to NIR wavelengths and shows a photothermal conversion efficiency of 40%, much higher than that of conventionally and widely used gold nanorods (22%) 53 When applied in in vivo cancer photothermal therapy, PDA NPs could efficiently kill cancer cells and suppress Polydopaminebased nanoreactors: synthesis and applications in
Selfassembled organic nanomedicine enables ultrastable photo
Inspired by the intense absorption of NanoBFF in both NIRI and NIRII biowindow, we exploited the in vitro photothermal conversion performance of NanoBFF under 808 nm and 1064 nm laser exposureAccording to recent studies, both sunlight and NIR light have high photothermal conversion efficiency, and can be used as soft actuators by using thin fabrics For example, Yin et al ( 2020 ) reported a sunlighttoheat fabric actuator, exhibiting bending curvature of 075 cm −1 in 16 s and designed a soft gripper and sunlight driven Selfreduction assisted MXene/silver composite Tencel Springer
Frontiers Carbon dots for photothermal applications
Photothermal conversion in metallic nanoparticles has benefitted tremendously from a mechanistic understanding and W, Fang, F, Qin, H, Li, P, Wang, X, et al (2020) Enriched graphitic N dopants The corresponding PCE values for CPN1 to CPN3 are calculated as 60%, 35% and 285%, respectively, suggesting that the NIRII window is more appropriate for deep tissues and photothermal conversion As for the thermal expansion process, the CPNs were further used as NIRII PA agents, and the strong PA signal of CPN3 at 1280 nm was applied to Full article: Enhancement approaches for photothermal conversion
Highly Efficient Near Infrared Photothermal Conversion
In particular, WO272/PU nanocomposites showed strong NIR light absorption of ca 92%, high photothermal conversion, and better thermal conductivity and absorptivity than other WO3/PU nanocomposites Furthermore, when the nanocomposite with 7 wt % concentration of WO272 nanoparticles was irradiated with infrared light, the Great attention is being increasingly paid to photothermal conversion in the nearinfrared (NIR)II window (1000–1350 nm), where deeper tissue penetration is favored To date, only a limited number of organic photothermal polymers and relevant theory have been exploited to direct the molecular design of polymers with highly efficient photothermal Coupling molecular rigidity and flexibility on fused backbones for NIR
Organic Charge‐Transfer Complexes for Near‐Infrared‐Triggered
Compared with traditional photothermal agents, CTCs possess strong NIR absorption, high phototothermal conversion efficiency, simple synthesis, and functiondirected material design Herein, the latest advances in NIRexcited CTCs for photothermal agents are systematically summarizedPhotothermal antibacterial agents are a feasible method for the biofilm treatment but are limited in their lower photothermal conversion efficiency and unrepeatable usage In this work, a NIR lightactivated photothermal bacterial nanocomposite (PCNMo) was synthesized by modulating the charge transfer between Modulating charge transfer over metal–organic framework
Plasmonic Nanostructures for Photothermal Conversion
1 Introduction Plasmonic metal nanostructures have significant applications in a wide range of areas such as energy conversion, [1, 2] sensing, [3, 4] and biomedicines due to their unique optical properties [5, 6] When the energy of incident light matches the resonance frequency of the free electrons, the metal nanoparticles exhibit where P denotes the incident NIR continuouswave laser power employed to photoexcite the plasmon resonance of the GNR, A λ is the absorbance value of the GNRs at the excitation wavelength of the laser, η is the photothermal conversion efficiency, h is the heat transfer coefficient, S is the surface covered by the GNR Quantifying the photothermal conversion efficiency of plasmonic