Low-molecular-weight organic small-molecule photothermal material for high-efficiency solar-thermal water evaporation

Guo, Lixin; Kong, Xiangwei; Li, Ruidong; Sun, Jiangman; Wang, Guan; Gu, Xinggui

doi:10.1016/j.dyepig.2024.112195

Dyes and Pigments

2024

DOI: 10.1016/j.dyepig.2024.112195

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Low-molecular-weight organic small-molecule photothermal material for high-efficiency solar-thermal water evaporation

Lixin Guo,

Xiangwei Kong,

Ruidong Li

et al.

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2024

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Cited by 3 publications

References 38 publications

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A review on state of art of photothermal nanomaterials for interfacial solar water evaporation and their applications

Tessema,

Wu,

Motora

et al. 2024

Desalination

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A review on state of art of photothermal nanomaterials for interfacial solar water evaporation and their applications

Tessema,

Wu,

Motora

et al. 2024

Desalination

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Photothermal/magnetothermal coupled polyphenylene sulfide composite membranes for ultra-efficient and continuous seawater desalination

Zhang,

Miao,

Ning

et al. 2024

Desalination

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Hollow carbon fiber wrapped by regular rGO wave-like folds for efficient solar driven interfacial water steam generation

Yang,

Liu,

Fan

et al. 2024

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Efficient seawater desalination is an effective way to solve the shortages of fresh water and energy but with limitations of the low fresh water production rate and high cost. Here, a hollow carbon fiber (HCF) wrapped by regular reduced graphene oxide (rGO) wave-like folds (rGO@HCF) is prepared on account of the differences in thermal shrinkage performance between graphene oxide (GO) and willow catkins fiber. Under one sun irradiation (1 kW m−2), the dry and wet surface temperature of the resulting evaporator reached up to 119.1 °C and 61.7 °C, respectively, and the water steam production rate reached 3.42 kg m−2 h−1. Also, for the outdoor experiment, the rGO@HCF exhibits good evaporator performance which reach up 27.8 kg m−2 day−1. Additionally, rGO@HCF also shows good seawater desalination performance and excellent durability for longtime work. DSC results indicate that the evaporation enthalpy of bulk water and adsorbed water decreased from 2503.92 to 1020.54 J g−1. The excellent evaporating performance is mainly attributed to the regular wave-like microstructure surface of the HCF, which can enhance the light absorption, reduced the vaporization enthalpy of the adsorption water. The findings not only introduce a novel approach for agricultural utilization, but also establish a crucial theoretical foundation for the design of regular wave-like microstructures.

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Low-molecular-weight organic small-molecule photothermal material for high-efficiency solar-thermal water evaporation

Cited by 3 publications

References 38 publications

A review on state of art of photothermal nanomaterials for interfacial solar water evaporation and their applications

A review on state of art of photothermal nanomaterials for interfacial solar water evaporation and their applications

Photothermal/magnetothermal coupled polyphenylene sulfide composite membranes for ultra-efficient and continuous seawater desalination

Hollow carbon fiber wrapped by regular rGO wave-like folds for efficient solar driven interfacial water steam generation

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