2 天之前· This nanostructured design achieves an exceptional solar absorption efficiency of 95.04%, while maintaining an incredibly low thermal emittance of just 3.6% at temperatures of 100°C. Moreover, this innovative structure achieves an impressive photothermal conversion efficiency of 92.7% under standard solar irradiation. The near-perfect ...
Among all the solar energy conversion technologies, photothermal conversion of solar energy exhibits unique advantages when applied for water purification, desalination, high-temperature heterogeneous catalysis, anti-bacterial treatments, and deicing.
Then, the state-of-the-art progress for photothermal conversions of solar energy is introduced in detail, mainly including photothermal water evaporation and desalination, photothermal catalysis, photothermal electric power generation, photothermal bacterial killing, photothermal sensors, and photothermal deicing.
The parallel development of photothermal regulation strategies through both material and system designs has further improved the overall solar utilization efficiency for heating/cooling. In this review, we will review the latest progress in photothermal regulation, including solar heating and passive cooling, and their manipulating strategies.
Suitable heat conduction of the light absorber is one of the key factors for directly photothermal conversion efficiency. [24, 33, 56] After the light absorber absorbs the solar light, the solar energy is transferred into heat by a photothermal process.
In this review, we summarize strategies to achieve highly-efficient photothermal conversion, focusing on enhancing sunlight absorption and reducing heat loss, with the goal of improving the efficiency of SIE technology for seawater desalination and wastewater purification applications.
Conventional solar collectors have an average efficiency of 70%, but the efficiency varies according to the type of solar collector. The most solar collectors use the photothermal energy conversion process that can achieve the highest conversion efficiency.
2 · This nanostructured design achieves an exceptional solar absorption efficiency of 95.04%, while maintaining an incredibly low thermal emittance of just 3.6% at temperatures of 100°C. Moreover, this innovative structure achieves an impressive photothermal conversion efficiency of 92.7% under standard solar irradiation. The near-perfect ...
To alleviate the predicament of resource shortage and environmental pollution, efficiently using abundant solar energy is a great challenge. Herein, we prepared unique photothermal conversion phase...
Inspired by existing studies, this research constructs a solar photothermal conversion system based on an all-glass superconducting heat pipe coupled with a non-imaging concentrator, aiming to enhance the thermal collection efficiency of the solar system. The study also explores the synergistic effects between the concentrator and the ...
To improve photothermal efficiency and environmental friendliness, direct absorption solar collectors (DASCs) have been developed. DASCs outperform SASCs by …
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 …
Meanwhile, the photothermal conversion efficiency of 80 ppm TiN@h-BN composite nanofluid reaches the maximum 78%. This work provides new strategies for harnessing the full spectrum of solar energy and controlling the photothermal properties of nanofluids. Schematic diagram of photothermal conversion system of TiN@h-BN nanofluids. …
To alleviate the predicament of resource shortage and environmental pollution, efficiently using abundant solar energy is a great challenge. Herein, we prepared unique photothermal conversion phase...
2 · This nanostructured design achieves an exceptional solar absorption efficiency of 95.04%, while maintaining an incredibly low thermal emittance of just 3.6% at temperatures of …
Photothermal materials often prioritize solar absorption while neglecting thermal radiation losses, which diminishes thermal radiation conversion efficiency. This study addresses this gap by introducing a germanium (Ge) subwavelength structure (SWS) designed to optimize both solar absorption and infrared emissivity. Using a self-masked reactive ...
Solar Panel Efficiency explained. Solar panel efficiency is the amount of sunlight (solar irradiance) that falls on the surface of a solar panel and is converted into electricity. Due to the many advances in photovoltaic technology over the last decade, the average panel conversion efficiency has increased from 15% to over 23%. This significant ...
Photothermal materials often prioritize solar absorption while neglecting thermal radiation losses, which diminishes thermal radiation conversion efficiency. This study …
PV panels generate electric energy by absorbing solar energy via solar cells, which have an average efficiency of 15–17%. The technology for generating electricity using solar energy is widely used worldwide. In the case of solar thermal collectors, solar energy directly heats a working fluid, which can collect the heat in the ...
The parallel development of photothermal regulation strategies through both material and system designs has further improved the overall solar utilization efficiency for heating/cooling. In this review, we will review the latest …
There are two main approaches for developing solar cells, including photovoltaic and photothermal technologies. Photovoltaic solar cells benefit from an active region whose performance can be improved by embedding nanoparticles with different shapes and materials. Photothermal solar cells are broadband absorbers, enabling electromagnetic energy …
Light-to-heat conversion has been intensively investigated due to the potential applications including photothermal therapy and solar energy harvesting. As a fundamental property of materials ...
The high efficiency and broadband absorption, strong LSPR, and efficient heat transfer lead to the high photothermal conversion efficiency of over 90% (Figure 4c) under 6 kW m −2 and a sharp decrease in salinity to meet the drinking water
The high efficiency and broadband absorption, strong LSPR, and efficient heat transfer lead to the high photothermal conversion efficiency of over 90% (Figure 4c) under 6 kW m −2 and a sharp decrease in salinity to meet the …
The photothermal conversion efficiency of a bridge-arched hollow and self-floating integrative solar evaporator (Fig. 8 d) prepared by one-step hydrothermal reaction can reach 92.9 % under one sun [71]. This high efficiency is due to its unique bridge-arched raised upper surface and …
To improve photothermal efficiency and environmental friendliness, direct absorption solar collectors (DASCs) have been developed. DASCs outperform SASCs by reducing radiative heat loss resulting from high temperatures and solar incidence reflection [9].
The solar-to-chemical energy conversion (SCC) efficiency was measured by photocatalytic experiments employing an AM 1.5 G solar simulator as the light source (100 mW·cm −2). The concentration ...
4 · Polythiophene donors offer scalable and cost-effective solutions for the organic photovoltaic industry. A thorough understanding of the structure–property–performance relationship is essential for advancing polythiophene-based organic solar cells (PTOSCs) with high power conversion efficiencies (PCEs). Herein, we develop two polythiophene …
4 · Polythiophene donors offer scalable and cost-effective solutions for the organic photovoltaic industry. A thorough understanding of the structure–property–performance …
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