Photothermal Nanomaterials: A Powerful Light-to-Heat Converter
2023年5月3日 · Electromagnetic and thermodynamic simulations show that the photothermal-induced heat is highly concentrated at the surface (<20 nm) of irradiated plasmonic nanoparticles (Figure 12b) and strongly depends on the size and shape of the nanoparticles.
Compact highly sensitive photothermal RT-LAMP chip for
2024年11月13日 · In this study, we present a compact highly sensitive photothermal reverse transcriptase–loop-mediated isothermal amplification (RT-LAMP) chip (SPRC) designed for the detection of multiple diseases. The nucleic acid (NA) amplification on the chip is achieved through LAMP driven by either LED illumination or simple sunlight focusing.
Preparation and Simulation Optimization of 3D Modified
3 天之前 · Solar interfacial evaporation materials can be broadly categorized into two types: carbon-based materials and plasmonic absorbers. Among these, carbon-based photothermal materials, such as carbon black, graphite, graphene, graphene oxide, reduced graphene oxide, carbon nanotubes, and activated carbon, are extensively studied due to their low specific heat, wide-spectrum solar absorption ...
Recent progress on photothermal nanomaterials: Design, …
2024年9月21日 · Unveil the three mechanisms of photothermal conversion: plasmonic localized heating, molecular thermal vibration, and non-radiative relaxation. Illuminate the foundational principles directing the design of photothermal nanomaterials …
Photothermal heating in plasmonic nanostructures - Ansys Optics
In this example, we investigate the effect of photothermal heating in plasmonic nanostructures based on the published work in the referenced article [1]. Using Lumerical's FDTD for optical simulation and Heat Transport Solver for thermal simulation, we look at two types of thermoplasmonic antennae; dipole and diabolo.
Simulation-guided construction of solar thermal coating with …
2021年3月15日 · According to the simulation results, a new double layer icephobic solar thermal coating (STC) was innovatively and easily prepared by spraying the suspension of SiO 2 nanospheres onto the layer of the solar thermal matrix (CuFeMnO 4 /PDMS), which possessed superhydrophobicity, enhanced light absorption capacity and high solar thermal conversion ...
Hybrid Solar Simulator for Long-Term Testing of Photothermal …
The assembled solar simulator is characterized based on spectrum distribution match, temporal instability, and spatial nonuniformity against global standards. Subsequently, an easily replicable photothermal fabric configuration is performance tested under the optimized solar simulator configuration, to evaluate its efficacy in terms of solar-to ...
Nanosecond-resolution photothermal dynamic imaging via MHZ ... - Nature
2021年12月7日 · Here, we present a lock-in free, mid-infrared photothermal dynamic imaging (PDI) system by MHz digitization and match filtering at harmonics of modulation frequency. Thermal-dynamic information...
Maximizing the performance of photothermal actuators by
2017年4月21日 · Photothermal actuators are driven by the conversion of absorbed optical energy into thermal energy, which, by different mechanisms, can produce mechanical displacement of a structure. We present a device that has been strategically designed to show high performance in every metric and respond to optical radiation of selected wavelength bands.
Fast photothermal spatial light modulation for quantitative …
2021年5月19日 · Here we present a photothermal spatial light modulator (PT-SLM) enabling fast phase imaging for nanoscopic 3D reconstruction. The PT-SLM can generate a step-like wavefront change, free of...