High‐Entropy Photothermal Materials

Advanced Materials, Год журнала: 2024, Номер 36(24)

Опубликована: Март 4, 2024

Abstract High‐entropy (HE) materials, celebrated for their extraordinary chemical and physical properties, have garnered increasing attention broad applications across diverse disciplines. The expansive compositional range of these materials allows nuanced tuning properties innovative structural designs. Recent advances been centered on versatile photothermal conversion capabilities, effective the full solar spectrum (300–2500 nm). HE effect, coupled with hysteresis diffusion, imparts desirable thermal stability. These attributes position as a revolutionary alternative to traditional signifying transformative shift in technology. This review delivers comprehensive summary current state knowledge regarding emphasizing intricate relationship between compositions, structures, light‐absorbing mechanisms, optical properties. Furthermore, outlines notable contributions areas, such water evaporation, personal management, thermoelectric generation, catalysis, biomedical applications. culminates presenting roadmap that prospective directions future research this burgeoning field, also fruitful ways develop advanced expand promising

Язык: Английский

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High‐Efficiency Thermal‐Shock Resistance Enabled by Radiative Cooling and Latent Heat Storage

Advanced Materials, Год журнала: 2024, Номер 36(25)

Опубликована: Март 1, 2024

Abstract Radiative cooling technology is well known for its subambient temperature performance under sunlight radiation. However, the intrinsic maximum power of radiative limits when objects meet thermal shock. Here, a dual‐function strategy composed and latent heat storage simultaneously enabling efficient high‐efficiency thermal‐shock resistance proposed. The electrospinning absorption‐pressing methods are used to assemble cooler. high reflectivity mid‐infrared emissivity film allow excellent 5.1 °C. When subjected shock, cooler demonstrates pinning effect huge drop 39 °C stable low‐temperature level by isothermal absorption compared with traditional molten phase change materials provide heat‐time transfer converting delayed preservation. This paves powerful way protect from accumulation high‐temperature damage, expanding applications technologies.

Язык: Английский

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A cost-effective photothermal superhydrophobic coating with micro- and nano-graded structures for efficient solar energy harvesting

Journal of Material Science and Technology, Год журнала: 2024, Номер 198, С. 158 - 165

Опубликована: Март 20, 2024

Язык: Английский

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Photothermal fabrics for solar-driven seawater desalination

Progress in Materials Science, Год журнала: 2024, Номер unknown, С. 101407 - 101407

Опубликована: Ноя. 1, 2024

Язык: Английский

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Sustainable thermal energy harvest for generating electricity

The Innovation, Год журнала: 2024, Номер 5(2), С. 100591 - 100591

Опубликована: Фев. 7, 2024

Electricity is the lifeblood of modern society. However, predominant source electricity generation still relies on non-renewable fossil fuels, whose combustion releases greenhouse gases contributing to global warming. The increasing demand for energy and escalating environmental concerns necessitate proactive measures develop innovative green technologies capable both cooling Earth generating electricity. Here, we look forward an interdisciplinary power system integrating solar absorbers, radiative coolers, thermoelectric generators. This can simultaneously harvest thermal from sun cold space, thereby transforming challenges posed by warming into opportunities production clean We underscore recent advancements in this field address key while also exploring forward-looking foreseeable future. proposed integrated technology achieves uninterrupted supply through unrestricted capture energy, offering a robust alternative pathway next-generation sustainable technologies.

Язык: Английский

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Hydrogel-Based Stimuli-Responsive Radiative and/or Evaporative Cooling Materials for Carbon Neutrality

ACS Energy Letters, Год журнала: 2024, Номер 9(2), С. 594 - 626

Опубликована: Янв. 29, 2024

Radiative cooling cools by radiating heat toward outer space. Evaporative dispatching the latent of water via evaporation. These two types operate without additional pollutant generation. Hydrogel is one substance that can combine above strategies and thus holds high promise to facilitate construction a carbon neutral society. This review article first documents basic principles related passive cooling, evaporative transfer, light modulation. Then, general considerations for hydrogel-based materials are summarized. Third, stimuli-responsive systems systematically discussed from aspects operation mechanisms as well material selections. Lastly, typical applications radiative and/or in buildings, electronic devices, wearable devices discussed. Challenges further development ending remarks.

Язык: Английский

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The Influence of Light‐Generated Radicals for Highly Efficient Solar‐Thermal Conversion in an Ultra‐Stable 2D Metal‐Organic Assembly

Angewandte Chemie International Edition, Год журнала: 2024, Номер 63(20)

Опубликована: Март 13, 2024

Solar-thermal water evaporation is a promising strategy for clean production, which needs the development of solar-thermal conversion materials with both high efficiency and stability. Herein, we reported an ultra-stable cobalt(II)-organic assembly NKU-123 light-generated radicals, exhibiting superior photothermal Under irradiation 808 nm light, temperature rapidly increases from 25.5 to 215.1 °C in 6 seconds. The solar evaporator based on achieves rate 1.442 1.299 kg m

Язык: Английский

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Perspective on phase change composites in high-efficiency solar-thermal energy storage

Applied Physics Letters, Год журнала: 2025, Номер 126(5)

Опубликована: Фев. 3, 2025

To clarify future research directions, this study first analyzes the heat transfer process of solar-thermal conversion and then reviews phase change composites for high-efficiency harnessing solar energy. The focus is on enhancing absorption conduction while aiming to suppress reflection, radiation, convection. Most advancements have concentrated improving thermal conductivity, reducing aforementioned unfavorable processes remains less explored. In current research, best results show that efficiency has approached theoretical limit (100%), a typical conductivity reached 33.5 W/(m·K). However, further enhancement challenge, highlighting need structural modifications grafting. Other factors hindering received limited attention warrant in-depth investigation, with potential reduce reliance fossil fuels contribute environmental sustainability.

Язык: Английский

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Yolk–Shell CoNi@N-Doped Carbon-CoNi@CNTs for Enhanced Microwave Absorption, Photothermal, Anti-Corrosion, and Antimicrobial Properties

Nano-Micro Letters, Год журнала: 2025, Номер 17(1)

Опубликована: Фев. 26, 2025

Abstract The previous studies mainly focused on improving microwave absorbing (MA) performances of MA materials. Even so, these designed materials were very difficult to be employed in complex and changing environments owing their single-functionalities. Herein, a combined Prussian blue analogues derived catalytical chemical vapor deposition strategy was proposed produce hierarchical cubic sea urchin-like yolk–shell CoNi@N-doped carbon (NC)-CoNi@carbon nanotubes (CNTs) mixed-dimensional multicomponent nanocomposites (MCNCs), which composed zero-dimensional CoNi nanoparticles, three-dimensional NC nanocubes one-dimensional CNTs. Because good impedance matching attenuation characteristics, the CoNi@NC-CoNi@CNTs MCNCs exhibited excellent performances, achieved minimum reflection loss ( RL min ) −71.70 dB at 2.78 mm Radar Cross section value −53.23 m 2 . More importantly, acquired results demonstrated that presented photothermal, antimicrobial anti-corrosion properties structure, highlighting potential multifunctional applications. It could seen this finding not only generalizable route magnetic NC-CNTs-based MCNCs, but also provided an effective develop improve environmental adaptabilities.

Язык: Английский

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Drainage-induced arch hydrogel-based interfacial evaporator drives long-term stable solar evaporation

Journal of Energy Chemistry, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

Язык: Английский

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