photothermal conversion infrared

charge transfer co-crystals based on donor–acceptor ... a co-crystal was obtained based on donor–acceptor interactions. the obvious charge transfer from the linear donor to the triangular acceptor units results in a quasi-two-dimensional ct complex with excellent near-infrared photothermal conversion efficiency. the co-crystals further acted as an excellent photo

near-infrared photothermal conversion of stable radicals ... upon simple uv-visible irradiation, a viologen-based coordination polymer was transformed to a highly stable radical, protected against quenching by a densely packed structure. the photo-generated radical exhibited a remarkable near-infrared (nir) photothermal effect with good recyclability and high conversion …

highly efficient nir-ii photothermal conversion based on ... cocrystals strategy towards materials for near-infrared photothermal conversion and imaging. angewandte chemie 2018, 130 (15) , 4027-4031. doi: 10.1002/ange.201712949. yuyan jiang, jingchao li, xu zhen, chen xie, kanyi pu.

albumin tailoring fluorescence and photothermal … 17-5-2019· albumin tailoring fluorescence and photothermal conversion effect of near-infrared-ii fluorophore with aggregation-induced emission characteristics shuai gao 1 na1 ,

surfactant‐stripped micelles of near infrared dye and ... surfactant‐stripped micelles of near infrared dye and paclitaxel for photoacoustic imaging guided photothermal‐chemotherapy yicheng zhang jiangsu key laboratory for carbon‐based functional materials and devices, institute of functional nano and soft materials (funsom), college of nano science & technology (cnst), soochow university, 199 ren'ai road, suzhou, 215123 jiangsu, p. …

stable radical anions generated ... - nature communications 15-2-2019· lü, b., chen, y., li, p. et al. stable radical anions generated from a porous perylenediimide metal-organic framework for boosting near-infrared photothermal conversion. nat …

photothermal conversion absorption - … preparation and near-infrared photothermal conversion ... feb 05, 2013· 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.

frontiers | aza-based donor-acceptor conjugated polymer ... it is highly desired that synthesis of photothermal agents with near-infrared (nir) absorption, excellent photostability, and high photothermal conversion efficiency are essential for potential applications. in this work, three (d-a) conjugated polymers (pbabdf-bdtt, pbabdf-bt, and pbabdf-tvt) based on aza-heterocycle, bis(2-oxo-7-azaindolin-3-ylidene)benzodifurandione (babdf) as the strong ...

plasmonic pt superstructures with boosted near‐infrared ... pt spirals exhibit outstanding photothermal conversion efficiency (52.5%) and molar extinction coefficients (228.7 m 2 mol −1) in nir‐ii, which are much higher than those of solid pt cubes. simulations indicate that the unique superstructure can be a significant cause for improving both adsorption and the photothermal effect simultaneously in nir‐ii.

plasmonic nanohybrid with high photothermal conversion ... plasmonic metal/semiconductor nanohybrids hold great promise in photocatalysis and biosensor development; however, their potential phototherapeutic applications are yet fully unexplored. on the other hand, the demand of high laser power density to induce antibacterial photothermal therapeutic effects greatly restricts the practical applicability of the previously developed photothermal ...

photothermal conversion characteristics of gold ... photothermal conversion efficiency of gold nanoparticle dispersions and the base fluid (based on the first 60 s data). it should be noted that very dilute gold nanoparticle dispersions were used in the experiment, i.e., below 6 ppm (max volume fraction), and gold …

preparation and near-infrared photothermal conversion ... 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.

bioinspired au–cus coupled photothermal materials ... to study the infrared photothermal conversion properties of the au–cus_t_fw, the temperature elevation of the system including the water, the bottom of the beaker and the photothermal conversion material (au–cus_t_fw, cus_t_fw, t_fw and bluetec eta plus_cu with the size of 10 mm×10 mm, respectively) was measured under irradiation by a 980-nm ir laser with a power density of 0.439 …

photothermal therapy - wikipedia photothermal therapy (ptt) refers to efforts to use electromagnetic radiation (most often in infrared wavelengths) for the treatment of various medical conditions, including cancer.this approach is an extension of photodynamic therapy, in which a photosensitizer is excited with specific band light. this activation brings the sensitizer to an excited state where it then releases vibrational ...

albumin tailoring fluorescence and photothermal … albumin tailoring fluorescence and photothermal conversion effect of near-infrared-ii fluorophore with aggregation-induced emission characteristics shuai gao , # 1 guoguang wei , # 1 sihang zhang , # 1 binbin zheng , 1 jiaojiao xu , 1 gaoxian chen , 2 mingwang li , 2 shaoli song , 3 wei fu , 1 zeyu xiao , 2 and wei lu 1

hydrophilic bismuth sulfur nanoflower superstructures … bismuth sulfur nanoflowers photothermal agent photothermal conversion efficiency cancer therapy electronic supplementary material supplementary material is available for this article at 10.1007/s12274-016-1085-y and is accessible for authorized users.

molecular engineering of near-infrared light-responsive ... molecular engineering of near-infrared light-responsive bodipy-based nanoparticles with enhanced photothermal and photoacoustic efficiencies for cancer theranostics . duyang gao 1,2#, boyu zhang 3,1#, yubin liu 1, dehong hu 2, zonghai sheng 2 , xuanjun zhang 1 , zhen yuan 1 . 1. faculty of health sciences, university of macau, macau sar, 999078 ...

plasmonic pt superstructures with boosted near‐infrared ... the high near‐infrared absorption and photothermal conversion efficiency benefit from the structural design and surface plasmon resonance tuning, which is proved by simulation. discover the ...

upconversion-magnetic carbon sphere for near infrared ... upconversion-magnetic carbon sphere for near infrared light-triggered bioimaging and photothermal therapy . jiaxin wang 1,2, chenjie yao 1, bin shen 1, xiaohui zhu 1, yong li 1, liyi shi 2, yong zhang 1, jinliang liu 1,2 , yanli wang 1 , lining sun 2,3 . 1. school of environmental and chemical engineering, shanghai university, shanghai, 200444 ...

frontiers | aza-based donor-acceptor conjugated polymer ... it is highly desired that synthesis of photothermal agents with near-infrared (nir) absorption, excellent photostability, and high photothermal conversion efficiency are essential for potential applications. in this work, three (d-a) conjugated polymers (pbabdf-bdtt, pbabdf-bt, and pbabdf-tvt) based on aza-heterocycle, bis(2-oxo-7-azaindolin-3-ylidene)benzodifurandione (babdf) as the strong ...

frontiers | aza-based donor-acceptor conjugated polymer ... it is highly desired that synthesis of photothermal agents with near-infrared (nir) absorption, excellent photostability, and high photothermal conversion efficiency are essential for potential applications. in this work, three (d-a) conjugated polymers (pbabdf-bdtt, pbabdf-bt, and pbabdf-tvt) based on aza-heterocycle, bis(2-oxo-7-azaindolin-3-ylidene)benzodifurandione (babdf) as the strong ...

natural melanin-loaded nanovesicles for near-infrared ... to evaluate photothermal conversion ability in vitro, 1 ml of melasicle solution (0.3 mg ml −1 for melanin) in a square cuvette was irradiated with an 808 nm nir laser (ldh840-30-3, laserlab co., seoul, korea) at a power density of 1.5 w cm −2 for 7 min. temperature change was recorded every one minute using an infrared (ir) thermal imaging camera (c2, flir system inc., sweden).

near-infrared optogenetic engineering of photothermal ... near-infrared optogenetic engineering of photothermal nanocrispr for programmable genome editing xiaohong chen , yuxuan chen , huhu xin , tao wan , yuan ping proceedings of the national academy of sciences feb 2020, 117 (5) 2395-2405; doi: 10.1073/pnas.1912220117

ultrafast chemical imaging by widefield photothermal ... infrared (ir) imaging has become a viable tool for visualizing various chemical bonds in a specimen. the performance, however, is limited in terms of spatial resolution and imaging speed. here, instead of measuring the loss of the ir beam, we use a pulsed visible light for high-throughput, widefield sensing of the transient photothermal effect induced by absorption of single mid-ir pulses.

materials with enhanced photothermal conversion ... supramolecular free radicals: near-infrared organic materials with enhanced photothermal conversion yang jiao, kai liu, guangtong wang, yapei wang and xi zhang* supporting information 1. general instrumentation and methods. the nmr spectra …

broadband sub-terahertz camera based on photothermal ... this paper describes a fast sub-terahertz (thz) camera that is based on the use of a quantum infrared camera coupled with a photothermal converter, called a thz-to-thermal converter (ttc), thus allowing fast image acquisition. the performance of the experimental setup is presented and discussed, with an emphasis on the advantages of the proposed method for decreasing noise in data and ...

photothermal conversion upon near-infrared irradiation … photothermal conversion upon near-infrared irradiation of fluorescent carbon nanoparticles formed from carbonized polydopamine june 2016 rsc advances 6(66):61482-61491

near-infrared photothermal conversion charge transfer co ... charge transfer co-crystals based on donor-acceptor interactions for near-infrared photothermal conversion danbo wang,a xiaonan kan,a chenyu wu,b yuzhen gong,a guangming guo,a tongling liang,c lan wang,a zhibo li*a and yingjie zhao*a a key laboratory of biobased polymer materials, shandong provincial education department; college of polymer science and engineering, qingdao …

gold nanorods: near-infrared plasmonic photothermal ... 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 ...

infrared photothermal heterodyne imaging: contrast ... infrared photothermal heterodyne imaging (ir-phi) is an ultrasensitive technique for achieving super-resolution, infrared imaging throughout the mid-infrared “fingerprint” spectral region (2.5 – 10 μ m).an achieved spatial resolution of ∼ 300 nm is up to 30-fold smaller than the infrared diffraction limit. in this study, we establish ir-phi’s signal contrast mechanism and benchmark ...