photothermal conversion absorption

Broadband absorption and enhanced photothermal

2017-12-19 · Photothermal conversion (PTC) materials can absorb incident photons and generate heat. Hence they are applicable in many fields, such as photothermal

Investigation of optical absorption and photothermal ...

2017-12-12 · Photothermal conversion is the simplest way to utilize solar energy by using absorption device to convert absorbed solar energy directly into the heat energy. 14–16 As for nanofluid formed by the stable dispersion of nanoparticles in base liquid, the capture and absorption

Investigation of optical absorption and photothermal ...

photothermal conversion properties. For instance, Wang et al.19 studied the optical absorption and photothermal conversion properties of the CuO nano uid, and the results showed that the nano uid has high photothermal conversion performance under the 635 nm visible light irradiation. Lee et al.24 investi-

Significant photothermal conversion enhancement of ...

2019-11-15 · Broadband absorption and enhanced photothermal conversion property of octopod-like [email protected] 2 S [email protected] structures with gradually varying shell thickness Sci Rep , 7 ( 2017 ) , p. 17782 , 10.1038/s41598-017-18220-1

Plasmonic Nanostructures for Photothermal Conversion ...

2020-12-23 · As it determines the photothermal conversion efficiency, we calculated the absorption efficiency (σ abs /σ ext) for Au nanospheres with a broad range of diameters. As shown in Figure 1c , in general, smaller Au nanoparticles exhibit higher absorption efficiency in the entire visible spectrum (400–800 nm), suggesting their advantage in the ...

Mesoporous CuO with full spectrum absorption for ...

2020-5-1 · Many semiconductors with broad solar spectrum absorption have always been pursuing for the effective photothermal conversion process. However, it is still a challenge to modulate the structural and bandgap of semiconductors to enhance the photothermal activity synergistically.

Bioinspired Au–CuS coupled photothermal materials ...

2015-10-1 · Due to the coupling effect of the efficient light-absorbing SAPS (a physical factor) and the excellent IR light absorption and photothermal conversion material (a chemical factor), the Au–CuS_T_FW not only possesses a predominant IR photothermal conversion performance (30.56%), but also is effective for photothermal conversion of solar energy ...

Ordered polypyrrole nanorings with near-infrared

2019-3-1 · These ordered nanorings display strong near-infrared (NIR) spectrum absorption and excellent photothermal conversion performance. The temperature of PPy NRs/polydimethylsiloxane (PDMS) composites is up to about 170 °C under irradiation with an 808 nm laser with power of 2.2 W.

The MXene/water nanofluids with high stability and photo ...

2021-7-15 · In the photothermal conversion experiment, the change of temperature is the most direct embodiment to measure the photothermal conversion performance of nanofluids. The time dependence of the temperature difference (TD) of two nanofluids could be found in Fig. S3. The TD of all fluids increases with the illumination time, and the maximum TD ...

Photothermal conversion of gold nanoparticles for uniform ...

2020-6-18 · These results show the importance of considering the reabsorption of scattered light to accurately characterize the photothermal conversion efficiency of GNP solutions during laser irradiation. We also show that the relative scattering and absorption properties of the nanoparticles can be designed to promote both rapid and uniform laser rewarming of vitrified droplets for application in ...

Investigation of optical absorption and photothermal ...

2017-12-12 · Photothermal conversion is the simplest way to utilize solar energy by using absorption device to convert absorbed solar energy directly into the heat energy. 14–16 As for nanofluid formed by the stable dispersion of nanoparticles in base liquid, the capture and absorption

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

Investigation of optical absorption and photothermal ...

photothermal conversion properties. For instance, Wang et al.19 studied the optical absorption and photothermal conversion properties of the CuO nano uid, and the results showed that the nano uid has high photothermal conversion performance under the 635 nm visible light irradiation. Lee et al.24 investi-

Solar Selective Absorbers for High-efficiency Photothermal ...

2020-11-12 · The photothermal conversion efficiency (PTCE) is calculated in consideration of solar spectrum absorption and mid-infrared emission. It is obvious that high solar spectrum absorption and low mid-infrared emission are beneficial for high PTCE. The influence of structural parameters on the PTCE is studied, and then the absorption enhancement ...

Enhanced photothermal conversion performances with

2020-3-31 · Lanthanide oxides are ideal candidates as photothermal conversion agents owing to their larger photon energy and advantages in biomedical applications. However, the small absorption cross section of rare earth is not conducive of absorbing near infrared light, which will affect the photothermal conversion

Plasmonic photothermal catalysis for solar-to-fuel ...

Plasmonic photothermal catalysis for solar-to-fuel conversion: current status and prospects. Shunqin Luo ab, Xiaohui Ren ab, Huiwen Lin ac, Hui Song * a and Jinhua Ye * abd a International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.

Photothermally activated multifunctional MoS2

今天 · In addition, compared with the commonly used gold nanoparticles (AuNPs) or graphene oxides (GOs), MoS 2 nanosheets possess higher NIR absorption performance and photothermal conversion efficiency, implying that MoS 2 is an ideal photothermal agent , .

Flexible and Waterproof 2D/1D/0D Construction of

2021-6-25 · wave absorption and EMI shielding performances. Thus, the water-resistant treatment of the surface is particularly important and urgently needed. Furthermore, light-to-heat, also known as a photothermal conversion, is an energy conversion process that harvests light energy by photo-thermal materials and converts it into thermal energy [48].

Fabrication of superhydrophobic photothermal conversion ...

2021-4-8 · Photothermal conversion material that generates thermal energy from sunlight is expected to be a promising technology for harvesting and conversion of clean solar energy. However, its photothermal conversion will be affected due to the surface contamination by dirt in outdoor applications, which greatly reduces the solar energy absorption.

Enhanced Photothermal Conversion by Hot-Electron Effect

2019-11-1 · Enhanced Photothermal Conversion by Hot-Electron Effect in Ultrablack Carbon Aerogel for Solar Steam ACS Applied Materials & Interfaces ( IF 9.229) Pub Date : 2019-10-31, DOI: 10.1021 Hongqiang Wang,Ai Du,Xiujie Ji,Chen Zhang,Bin

Investigation of optical absorption and photothermal ...

photothermal conversion properties. For instance, Wang et al.19 studied the optical absorption and photothermal conversion properties of the CuO nano uid, and the results showed that the nano uid has high photothermal conversion performance under the 635 nm visible light irradiation. Lee et al.24 investi-

Solar Selective Absorbers for High-efficiency Photothermal ...

2020-11-12 · The photothermal conversion efficiency (PTCE) is calculated in consideration of solar spectrum absorption and mid-infrared emission. It is obvious that high solar spectrum absorption and low mid-infrared emission are beneficial for high PTCE. The influence of structural parameters on the PTCE is studied, and then the absorption enhancement ...

High‐Performance Reticular Porous Perovskite Coating

2020-12-11 · High-Performance Reticular Porous Perovskite Coating with Wide-Spectrum Absorption for Photothermal Conversion. Liuxu Yu, School of Materials Science and Engineering, Jiangsu University, Zhenjiang, 212013 China. Search for more papers by this author. Xiangzhao Zhang,

Numerical analysis of photothermal conversion

Numerical analysis of photothermal conversion performance of MXene nanofluid in direct absorption solar collectors Xueling Li a , Huawei Chang b , Lijian Zeng c , Xianrong Huang b , Yichao Li a ...

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%).

Enhanced photothermal conversion performances with

2020-3-31 · Lanthanide oxides are ideal candidates as photothermal conversion agents owing to their larger photon energy and advantages in biomedical applications. However, the small absorption cross section of rare earth is not conducive of absorbing near infrared light, which will affect the photothermal conversion

A Study of Photothermal Conversion of Nanofluids

2011-6-25 · Abstract: Two kinds of Nanofluids, used as recycle fluids for collectors with direct absorption of solar energy, were prepared by the “two-step method”. The photothermal conversion properties of the two kinds of nanofluids and their base fluids were studied, the temperature changing with the environmental temperature through the insolation experiment.

Photothermally activated multifunctional MoS2

今天 · In addition, compared with the commonly used gold nanoparticles (AuNPs) or graphene oxides (GOs), MoS 2 nanosheets possess higher NIR absorption performance and photothermal conversion efficiency, implying that MoS 2 is an ideal photothermal agent , .

Plasmonic Ti3C2Tx MXene Enables Highly Efficient ...

2020-11-16 · of the photothermal fillers: photothermal efficiency, thermal conductivity, and specific structural properties.38−40 To achieve high photothermal efficiency, the photothermal fillers must both exhibit high light absorption in broadband wavelengths and be capable of effective light-to-heat conversion. High thermal conductivity of the ...

Plasmonic Pt Superstructures with Boosted Near‐Infrared ...

2019-9-30 · 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

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