We propose a photothermal and electrothermal equivalence (PEE) method that simulates the laser heating process with electric heating process. In electrothermal measurement, the heat dissipation coefficient of the sample can be derived under a known electric power by performing a linear fitting at thermal equilibrium.
The photothermal conversion efficiency of TiN@h-BN composite nanofluids after irradiation for 2500 s was shown in Fig. 10. The photothermal conversion efficiency of nanofluids first increased and then decreased with the concentration, reaching a maximum value of 77.9% at 80 ppm. This was because with the further increase in the concentration
According to the comprehensive analysis of FTIR and XPS, the photothermal conversion and energy storage microcapsules with PPPD as Pickering stabilizer, T35 as core material and MF as shell material were successfully prepared with a
In this review, we comprehensively summarized the state-of-the-art photothermal applications for solar energy conversion, including photothermal water evaporation and desalination, photothermal catalysis for H 2 generation
This review provides a comprehensive analysis of the rapidly evolving field of solar-driven carbon dioxide (CO2) conversion, focusing on recent developments and future prospects. While significant progress has been made in understanding the fundamental mechanisms of photocatalytic (PC), photoelectrocatalytic, photobiocatalytic, and photothermal
We propose a photothermal and electrothermal equivalence (PEE) method that simulates the laser heating process with electric heating process. In electrothermal
Here, we characterize the energy storage and phase change performance of phase change microcapsules by their encapsulation efficiency E en, energy storage efficiency E es, and energy storage capacity C es. The calculation formula is detailed in the Supporting Information eqs. (1)–(3). The data obtained from calculating the data in
Importantly, the photothermal conversion and storage efficiency of ODA@MOF/PPy-6% is up to 88.3%. Additionally, our developed MOF-based photothermal composite PCMs also exhibit long-standing antileakage stability,
In the photothermal process of SIE, sunlight irradiation causes photothermal materials to absorb photons, resulting in photoexcitation. This process drives mobile charge carriers via the light
As an improvement, a modified method, considering both sensible and latent heat absorption and the temperature difference within the PCMs, was proposed to determine the photo-thermal conversion efficiency of PCMs accurately.
The photothermal catalyst must be designed to exploit solar energy to produce a local increase of the system temperature but at the same time the incident radiation should enhance the conversion efficiency by generating electron/hole pairs on the catalyst, that give rise to redox reactions. The coupling of these two effects results in much better conversions if compared to
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
Tian, Q. et al. Hydrophilic Cu 9 S 5 nanocrystals: a photothermal agent with a 25.7% heat conversion efficiency for photothermal ablation of cancer cells in vivo. ACS Nano 5, 9761–9771 (2011).
Importantly, the photothermal conversion and storage efficiency of ODA@MOF/PPy-6% is up to 88.3%. Additionally, our developed MOF-based photothermal composite PCMs also exhibit long-standing antileakage stability, energy storage stability, and photothermal conversion stability.
In our study, using a standard polyethylene (PE) cuvette, we combined terahertz temperature time transients and thermal imaging to retrieve the size-dependent photothermal conversion efficiency, as well as the molar
As an improvement, a modified method, considering both sensible and latent heat absorption and the temperature difference within the PCMs, was proposed to determine the
In the photothermal process of SIE, sunlight irradiation causes photothermal materials to absorb photons, resulting in photoexcitation. This process drives mobile charge carriers via the light-induced electric field, ultimately converting solar energy into thermal energy [9, 10].The mechanisms underlying photothermal conversion varies between materials and can be
As it determines the photothermal conversion efficiency, With the continuous process optimization and improvement of energy conversion efficiency, solar energy is increasingly regarded as an alternative source to replace fossil fuels for electricity generation. [30, 31] The key challenge of solar-thermal conversion by plasmonic nanomaterials is to broaden
An instrument and method for measuring the photothermal conversion efficiency of solar energy, based on the temperature equilibrium type radiometer, are described. The
According to the comprehensive analysis of FTIR and XPS, the photothermal conversion and energy storage microcapsules with PPPD as Pickering stabilizer, T35 as core
To further evaluate the photo-thermal conversion and energy storage performance of different samples, the solar thermal storage capacity and efficiency can be calculated based on the temperature change and measured specific heat of the PCM [40]: (1) Q s = ∫ c p T dT (2) η s = mQ s q solar St where Q s and η s are the photo-thermal storage
Energy conversion efficiency is one of the key characteristics of energy systems. The definition of the energy conversion efficiency is the useful energy output (benefit) divided by the energy input (cost). Energy can be divided into quantity and quality terms. For electric power, quantity and quality are described by current and voltage
Calculation of the photothermal conversion efficiency The photothermal conversion efficiency of the Cys-CuS NPs was determined according to the previous method. 1,2 Detailed calculation was given as following:
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
We propose a photothermal and electrothermal equivalence (PEE) method that simulates the laser heating process with electric heating process. In electrothermal measurement, the heat dissipation...
An instrument and method for measuring the photothermal conversion efficiency of solar energy, based on the temperature equilibrium type radiometer, are described. The efficiency of certain transition metal oxides is measured at room temperature using samples 0.7 mm in thickness.
Among these photothermal agents, Au nanostructures have the ability to accumulate within a solid tumor in the body [12], and since their surface plasmon resonance can be tuned within a broad range of wavelengths from the visible to the NIR [12], Au nanostructures can be tailored for particular hyperthermia treatments.However, despite the excellent
We are deeply committed to excellence in all our endeavors.
Since we maintain control over our products, our customers can be assured of nothing but the best quality at all times.