Photothermal Devices for Sustainable Uses Beyond Desalination

Chen, Honglei; Wu, Shaolin; Wang, Huali; Wu, Qingyun; Yang, Hao

doi:10.1002/aesr.202000056

Cited by 36 publications

(24 citation statements)

References 152 publications

(202 reference statements)

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“…Solar energy is an abundant and clean energy source for sustainable human life, and the light-to-heat conversion strategy provides a facile and efficient way to utilize solar energy. Over the past few years, photothermal techniques and devices have achieved significant development and aroused wide interests in various applications such as desalination, [1][2][3][4] wastewater purification, [5][6][7] oil spill clean, [8,9] atmospheric water harvesting, [10,11] steam sterilization, [12,13] electricity generation, [14][15][16] deicing, [17,18] photothermal catalysis, [19][20][21] etc. Photothermal materials, as well as their structures, play a vital role in these applications.…”

Section: Introductionmentioning

confidence: 99%

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Green Photothermal Ink for 0D to 3D Solar‐Driven Devices

Chen

Shen

et al. 2021

Adv Materials Inter

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Semiconductors such as TiO 2 can improve the local temperature via nonradiative relaxation induced by intrinsic bandgap absorption. [24] Carbon materials, including graphene, carbon nanotubes, carbonized materials, and so on, can generate heat via the thermal vibration of molecules. [25,26] Compared with plasmonic materials and semiconductors, carbon materials exhibit broad absorption spectra, wide sources, and high light-to-heat conversion efficiency. Therefore, carbon materials are regarded as the most promising candidate for large-scale applications.On the other hand, the performance of a solar-driven device also depends on the material forms and structures. For example, the evaporation performance of a solar-driven evaporator is not only determined by the light-to-heat conversion of the photothermal material, but also affected by the heat and mass transfer processes. Salt accumulation (i.e., scaling) is another critical problem that needs to be considered for practical long-term operation. These problems are related to the surface properties and structure parameters. To name a few examples, an enlarged evaporation area in a certain space could enhance the evaporation, resulting in a lower surface temperature to reduce the heat loss. Zhang et al. fabricated a vertically aligned graphene pillar array with an enlarged evaporation area, providing additional space for vapor escape. [27] Wang et al. prepared a tree-shaped evaporator inspired by Monstera to increase the evaporation area and reduce the surface temperature, which displayed a high evaporation rate of 2.3 kg m −2 h −1 . [28] Wang and co-workers reported an origami-based solar evaporator with a periodic array of mountain-valley folds, enhancing the capture of incident light and recovery of the convective and radiative heat loss. [29] Besides, large pores with low tortuosity can also facilitate the mass transfer process, which is beneficial to reduce heat loss and avoid salt accumulation. Bai and co-workers fabricated a radially, hierarchically structured aerogel, which could reduce heat transfer to bulk water by facilitating water transport from bottom to surface. [30] Zhang et al. designed a self-desalting evaporator system based on a vertically oriented porous foam. [31] The porous structure allows the salt transfer from the surface to the bulk water due to the highly efficient water transport. To address the scaling problem, Zhang et al. developed an aligned Janus MXene-based aerogel, in which the hydrophobic layer could resist the salt crystallization on the surface. [32] Liu et al. achieved continuous production of clean water and avoidance of salt accumulation by hanging photothermal Photothermal materials as well as their forms and structures play a crucial role in the performance and applications of solar-driven devices. There is a growing demand for low-cost, easy-to-shape, and eco-friendly photothermal materials to meet sustainable development. Therefore, a green photothermal ink with excellent photothermal capacity and highly accessible via Ch...

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Section: Introductionmentioning

confidence: 99%

“…For example, sponges or foams are employed in oil absorption, [9] and coatings or films are used in anti-icing applications. [15,18] There is an increasing demand for low-cost, easy-to-shape, and environment-friendly photothermal materials to promote the practical application of photothermal devices and meet sustainable development.…”

Section: Introductionmentioning

confidence: 99%

Green Photothermal Ink for 0D to 3D Solar‐Driven Devices

Chen

Shen

et al. 2021

Adv Materials Inter

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“…Based on this, this section mainly summarizes several strategies for application of SSAs to improve the efficiency of solar desalination. [13,[62][63][64][65] Contact Type: Interfacial solar steam generation (ISSG) is an efficient distillation strategy that uses a self-floating solar absorber to generate vapor at the water-air interface. [43] By employing this strategy, the heat is locally confined in the solar absorber.…”

Section: Solar-driven Seawater Desalinationmentioning

confidence: 99%

“…Based on this, this section mainly summarizes several strategies for application of SSAs to improve the efficiency of solar desalination. [ 13,62–65 ]…”

Section: Sustainable Applications Of Ssasmentioning

confidence: 99%

Solar Selective Absorber for Emerging Sustainable Applications

Zhang

Wang

Shi

et al. 2022

Adv Energy and Sustain Res

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Solar selective absorbers (SSAs) possess high sunlight absorption (300–2500 nm) and low infrared thermal radiative losses (2.5–25 μm), which are undoubtedly the best choice for photothermal conversion process, and SSAs have been widely used in concentrating solar power, solar water heating, and solar drying. Recently, to promote the realization of “double carbon” goal, SSAs have received widespread attentions, many emerging sustainable applications have been developed. In this review, the recent developments of SSAs and their latest sustainable applications in solar‐driven seawater desalination, multistage solar desalination, atmospheric water harvesting (AWH), wastewater treatment, solar thermophotovoltaics (STPVs), hybrid photovoltaic‐thermal (HPVT), solar‐thermoelectric generators (STEG), personal thermal management (PTM), photothermal catalysis, photothermal deicing, and photothermal sterilization, etc. are systematically summarized. Also, the challenges as well as future opportunities of SSAs are discussion. It is expected that this review will effectively complement the published comments on SSAs and provide more inspirations on sustainable applications of SSAs in the future.

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“…Meanwhile, many other applications recently appeared for photothermal devices based on solar energy: water desalination, surface sterilization, deicing, water evaporators, etc. [191,192]. One of the typical design is to use separate sunlight absorbers (some black surfaces), which convert solar energy into thermal energy that is then transferred to water.…”

Section: Solar Energy and Heat Conversionmentioning

confidence: 99%

All-dielectric thermonanophotonics

Zograf,

Petrov,

Makarov

et al. 2021

Preprint

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Nanophotonics is an important branch of modern optics dealing with lightmatter interaction at the nanoscale. Nanoparticles can exhibit enhanced light absorption under illumination by light, and they become nanoscale sources of heat that can be precisely controlled and manipulated. For metal nanoparticles, such effects have been studied in the framework of thermoplasmonics which, similar to plasmonics itself, has a number of limitations. Recently emerged all-dielectric resonant nanophotonics is associated with optically-induced electric and magnetic Mie resonances, and this field is developing very rapidly in the last decade. As a result, thermoplasmonics is being replaced by all-dielectric thermonanophotonics with many important applications such as photothermal cancer therapy, drug and gene delivery, nanochemistry, and photothermal imaging. This review paper aims to introduce this new field of non-plasmonic nanophotonics and discuss associated thermally-induced processes at the nanoscale.

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Photothermal Devices for Sustainable Uses Beyond Desalination

Cited by 36 publications

References 152 publications

Green Photothermal Ink for 0D to 3D Solar‐Driven Devices

Green Photothermal Ink for 0D to 3D Solar‐Driven Devices

Solar Selective Absorber for Emerging Sustainable Applications

All-dielectric thermonanophotonics

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