photothermal conversion infrared

Near-infrared photothermal conversion of stable radicals ...

The photo-generated radical exhibited a remarkable near-infrared (NIR) photothermal effect with good recyclability and high conversion efficiency. To our knowledge, this is the first example of a crystalline viologen-based coordination polymer that functions as a NIR photothermal material by

Near Infrared Photothermal Conversion Materials:

Near Infrared Photothermal Conversion Materials: Mechanism, Preparation and Photothermal Cancer Therapy Applications . Jie Li, Wei Zhang, Wenhui Ji, Jiqing Wang, Nanxiang Wang, Wanxia Wu, Qiong Wu, Xiyan Hou, Wenbo Hu and Lin Li Abstract. Photothermal therapy (PTT) has been widely applied in cancer therapy as a result of its non-invasive ...

Photothermal conversion upon near-infrared irradiation of ...

Fluorescence and photothermal conversion mediated by near-infrared radiation (NIR) is reported for carbonized polydopamine nanoparticles. Carbonized polydopamine demonstrated excitation-dependent fluorescence emission, together with NIR-responsive photothermal conversion

Unprecedented Improvement of Near-Infrared

Near-infrared (NIR) photothermal conversion is of great interest in many fields. Here, a self-assembly organic cocrystal (N,N,N',N'-tetramethyl-p-phenylenediamine (TMPD) and pyromellitic dianhydride (PMDA)) with strong absorption in NIR range is constructed, with widespread absorption (200-1500 nm) and very high NIR photothermal conversion efficiency (87.2%).

Albumin tailoring fluorescence and photothermal

2019-5-17 · Albumin tailoring fluorescence and photothermal conversion effect of near-infrared-II fluorophore with aggregation-induced emission characteristics Shuai Gao 1

Donor–acceptor based two-dimensional covalent organic ...

The photothermal conversion efficiency reached 66.4% in sharp contrast to 31.2% for PT-B-COF. EPR spectra verified the presence of unpaired electrons, which is consistent with the CT interaction in the ground state. The DFT molecular orbital simulation further revealed the mechanism of the photophysical properties and the CT process.

FTIR and Raman photothermal spectroscopy infrared ...

2021-8-18 · Optical photothermal infrared spectroscopy overcomes the key limitations of FTIR and Raman infrared spectroscopy by providing for a sub-micron, non-contact and fluorescence free rapid analysis. When combined with simultaneous Raman, it provides for a unique complementary and confirmatory sample analysis experience.

Photothermal Conversion - an overview | ScienceDirect

Photothermal conversion of solar energy, to produce hot fluid or hot air, takes place in solar collectors. Efficient conversion requires that a solar-absorbing surface is in thermal contact with the fluid or gas, and that thermal losses to the environment are minimized.

Cocrystals Strategy towards Materials for Near‐Infrared ...

2018-2-14 · A cocrystal strategy with a simple preparation process is developed to prepare novel materials for near-infrared photothermal (PT) conversion and imaging.

Infrared plasma photothermal conversion of Cu2-xS ...

2021-3-1 · The systematic photothermal investigation proves that the Cu 2-x S/cellulose composite film has good photothermal conversion characteristics and high stability. The good photothermal conversion of Cu 2-x S depends on two factors: typical semiconductor characteristics and plasma resonance characteristics in infrared band.

Near-infrared absorption photothermal conversion ...

2021-1-5 · A series of near infrared absorption photothermal conversion polyurethane (PTPU) was synthesized with a cyanine dye to act as near infrared absorption component and polyethylene glycol 10,000 (PEG10000) to act as phase change material (PCM). The light resistant, pH dependence of dye and the effect of PEG10000 content on the properties of PTPU were investigated. The results showed

Preparation and near-infrared photothermal conversion ...

2013-2-5 · Furthermore, they exhibited a strong characteristic absorption and an excellent photothermal conversion property in the near-infrared (NIR) region, owing to the free electrons or polarons. Also, the NIR absorption and photothermal conversion property became more significant with decreasing particle size or increasing particle concentration.

Albumin tailoring fluorescence and photothermal

2019-5-17 · Albumin tailoring fluorescence and photothermal conversion effect of near-infrared-II fluorophore with aggregation-induced emission characteristics Shuai Gao 1 na1 , Guoguang Wei 1 na1 ,

A near infrared photothermal therapy hydrogel with high ...

In the present study, a new near infrared biocompatible photothermal therapeutic (PTT) agent, named BPD-BBTD was synthesized by the facile one-step Suzuki reaction. This agent has excellent proterties, such as high photothermal conversion efficiency (40 %), photothermal cycle stability, and even can withstand superacid and superalkali environments.

Photothermal Conversion - an overview | ScienceDirect

A 40.8% of photothermal conversion efficiency was obtained with a low toxicity and a high anticancer effect in vitro and in vivo. A superior photothermal therapy effect was found in in vivo mouse model using deep blue Ti 8 O 15 nanoparticles with > 98% absorption of near infrared light [163] .

A hierarchical assembly strategy for near-infrared ...

2020-9-21 · Herein, we report a hierarchical assembly strategy for constructing heterogeneous half-sandwich organometallic D–A (D = π-donor, A = π-acceptor) interlocked structures, and their application in near-infrared (NIR) photothermal conversion. Thienothiophene and diketopyrrolopyrrole groups were selected as the D

Porous Pt Nanoparticles with High Near‐Infrared ...

2016-11-17 · The Pt nanoparticles possess broadband near-infrared light absorption in the range from 650 to 1200 nm, therefore allowing for selecting different laser wavelengths for photothermal therapy. The as-prepared Pt nanoparticles exhibit remarkable photothermal conversion efficiencies under 809 and 980 nm laser irradiation.

Erbium-doped tungsten selenide nanosheets with near ...

2021-5-1 · Furthermore, many classes of TMDs nanosheets have been applied in photothermal therapy (PTT) owing to its excellent performance of photothermal conversion , .For instance, Liu et al. developed PEGylated WS 2 nanosheets as a novel PTT agent with strong infrared absorption for highly effective PTT in a mouse model .They also reported PEGylated MoS 2 nanosheets carrying drug for combined ...

Photothermal therapy based on magnetic nanoparticles in ...

2021-8-16 · However, the photothermal conversion efficiency of gold-based NPs in vivo seems to be associated with morphology. Spherical gold NPs have peak absorptions belonging to visible light, while gold nanorods, nanoshells, nanostars, and nanocages have light absorption in the NIR region, which make the better efficiency of PTT in vivo .

Preparation and near-infrared photothermal conversion ...

2013-2-5 · Furthermore, they exhibited a strong characteristic absorption and an excellent photothermal conversion property in the near-infrared (NIR) region, owing to the free electrons or polarons. Also, the NIR absorption and photothermal conversion property became more significant with decreasing particle size or increasing particle concentration.

Highly Efficient Near Infrared Photothermal Conversion ...

2018-12-16 · nanomaterials Article Highly Efficient Near Infrared Photothermal Conversion Properties of Reduced Tungsten Oxide/Polyurethane Nanocomposites Tolesa Fita Chala 1, Chang-Mou Wu 1,*, Min-Hui Chou 1, Molla Bahiru Gebeyehu 1 and Kuo-Bing Cheng 2 1 Department of Materials Science and Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan, R.O.C;

Preparation and near-infrared photothermal conversion ...

2013-2-5 · Water-soluble germanium(0) nanocrystals: cell recognition and near-infrared photothermal conversion properties. Small. 2007; 3:691–699. doi: 10.1002/smll.200600529. [Google Scholar] Chen CJ, Chen DH. Preparation of LaB6 nanoparticles as a novel and effective near-infrared photothermal conversion material.

Infrared plasma photothermal conversion of Cu2

2021-2-10 · Infrared plasma photothermal conversion of Cu2-xS/cellulose nanofilms prepared by sequential Results in Physics ( IF 4.476) Pub Date : 2021-02-05, DOI: 10.1016/j.rinp.2021.103942 Qiurui Zhang, Guozhi Jia, Wei Zhang, Zejia Zhao

Gold Nanorods: Near-Infrared Plasmonic Photothermal ...

2014-1-15 · Gold Nanorods: Near-Infrared Plasmonic Photothermal Conversion and Surface Coating Bo Cong 1, Caixia Kan1,2*, Honggeng Wang , Jinsheng Liu1, Haiying Xu1, Shanlin Ke1. 1. College of Science, Nanjing University of Aeronautics and Astronautics, Nanjing, China. 2. Key Laboratory for Intelligent Nano Materials and Devices of the Ministry of ...

Second Near-Infrared Conjugated Polymer Nanoparticles

Photothermal conversion in the second near-infrared (NIR-II) window allows deeper penetration and higher exposure to lasers, but examples of NIR-II photothermal agents are mainly formulated by inorganic compounds. In view of the underlying influence of inorganic materials, a novel NIR-II phototherma

Plasmonic Pt Superstructures with Boosted Near-Infrared ...

Photothermal therapy triggered by near-infrared light in the second biowindow (NIR-II) has attracted extensive interest owing to its deeper penetration depth of biological tissue, lower photon scattering, and higher maximum permissible exposure. In spite of noble metals showing great potential as th

Unprecedented Improvement of Near Infrared

2021-3-15 · Organic cocrystal materials have considerable promise in areas as broad as luminescent materials, photoelectric transformation, photothermal (PT) conversion and pharmaceutical preparations. However, the development of highly efficient near-infrared (NIR) light PT conversion system remains extremely challenging.

Cocrystals Strategy towards Materials for Near‐Infrared ...

2018-2-14 · A cocrystal strategy with a simple preparation process is developed to prepare novel materials for near-infrared photothermal (PT) conversion and imaging. DBTTF and TCNB are selected as electron donor (D) and electron acceptor (A) to self

Photothermal therapy based on magnetic nanoparticles in ...

2021-8-16 · However, the photothermal conversion efficiency of gold-based NPs in vivo seems to be associated with morphology. Spherical gold NPs have peak absorptions belonging to visible light, while gold nanorods, nanoshells, nanostars, and nanocages have light absorption in the NIR region, which make the better efficiency of PTT in vivo .

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