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Enhancing the performance of molybdenum disulfide‐based solar water evaporation systems by tuning the synthesis temperature.

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Title: Enhancing the performance of molybdenum disulfide‐based solar water evaporation systems by tuning the synthesis temperature.
Authors: Hasmin, Hudya Fitra1 (AUTHOR), Djajasuminta, Livia Ilona1 (AUTHOR), Dwiputra, Muhammad Adam1 (AUTHOR), Emrinaldi, Tengku1,2 (AUTHOR), Roza, Liszulfah3 (AUTHOR), Umar, Akrajas Ali4 (AUTHOR), Ginting, Titian Riski5 (AUTHOR), Fauzia, Vivi1 (AUTHOR) vivi@sci.ui.ac.id
Source: Environmental Progress & Sustainable Energy. Mar/Apr2025, Vol. 44 Issue 2, p1-12. 12p.
Subject Terms: *Energy conversion, *Water use, Grain size, Light absorption, Surface area
Abstract: MoS2 has been developed for use in solar water evaporation systems. Studies have shown that the temperature and duration of synthesis significantly affect the phase, number of layer, and particle size of MoS2. However, there is a lack of comprehensive research on how these factors, including the wettability of MoS2, influence the water evaporation rate. In this study, we synthesized MoS2 at two distinct temperatures: 180 and 200°C using a hydrothermal method. This study shows MoS2 synthesized at 180°C forms smaller 2H‐MoS2 nanosheets with small grains size and more defects and exhibits higher evaporation rates 1.52±0.02 kg m−2 h−1. This increased evaporation is due to smaller nanosheets provides a larger surface area, enhancing light absorption and thermal energy conversion. The defective sites in MoS2, especially along its edges, act as preferential adsorption sites for water molecules. This facilitates water diffusion, and consequently increases wettability and accelerates evaporation. The use of MoS2 on air‐laid paper as photothermal materials also demonstrated excellent salt rejection (>99%). This work demonstrates the novelty of tuning the efficiency of MoS2‐based solar water evaporation systems by simply adjusting the synthesis temperature. This approach is an innovative method for industrial‐scale solar evaporation applications. [ABSTRACT FROM AUTHOR]
Copyright of Environmental Progress & Sustainable Energy is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Enhancing the performance of molybdenum disulfide‐based solar water evaporation systems by tuning the synthesis temperature.
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  Data: <searchLink fieldCode="AR" term="%22Hasmin%2C+Hudya+Fitra%22">Hasmin, Hudya Fitra</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Djajasuminta%2C+Livia+Ilona%22">Djajasuminta, Livia Ilona</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dwiputra%2C+Muhammad+Adam%22">Dwiputra, Muhammad Adam</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Emrinaldi%2C+Tengku%22">Emrinaldi, Tengku</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Roza%2C+Liszulfah%22">Roza, Liszulfah</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Umar%2C+Akrajas+Ali%22">Umar, Akrajas Ali</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ginting%2C+Titian+Riski%22">Ginting, Titian Riski</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fauzia%2C+Vivi%22">Fauzia, Vivi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> vivi@sci.ui.ac.id</i>
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  Data: <searchLink fieldCode="JN" term="%22Environmental+Progress+%26+Sustainable+Energy%22">Environmental Progress & Sustainable Energy</searchLink>. Mar/Apr2025, Vol. 44 Issue 2, p1-12. 12p.
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  Data: *<searchLink fieldCode="DE" term="%22Energy+conversion%22">Energy conversion</searchLink><br />*<searchLink fieldCode="DE" term="%22Water+use%22">Water use</searchLink><br /><searchLink fieldCode="DE" term="%22Grain+size%22">Grain size</searchLink><br /><searchLink fieldCode="DE" term="%22Light+absorption%22">Light absorption</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+area%22">Surface area</searchLink>
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  Label: Abstract
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  Data: MoS2 has been developed for use in solar water evaporation systems. Studies have shown that the temperature and duration of synthesis significantly affect the phase, number of layer, and particle size of MoS2. However, there is a lack of comprehensive research on how these factors, including the wettability of MoS2, influence the water evaporation rate. In this study, we synthesized MoS2 at two distinct temperatures: 180 and 200°C using a hydrothermal method. This study shows MoS2 synthesized at 180°C forms smaller 2H‐MoS2 nanosheets with small grains size and more defects and exhibits higher evaporation rates 1.52±0.02 kg m−2 h−1. This increased evaporation is due to smaller nanosheets provides a larger surface area, enhancing light absorption and thermal energy conversion. The defective sites in MoS2, especially along its edges, act as preferential adsorption sites for water molecules. This facilitates water diffusion, and consequently increases wettability and accelerates evaporation. The use of MoS2 on air‐laid paper as photothermal materials also demonstrated excellent salt rejection (>99%). This work demonstrates the novelty of tuning the efficiency of MoS2‐based solar water evaporation systems by simply adjusting the synthesis temperature. This approach is an innovative method for industrial‐scale solar evaporation applications. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Environmental Progress & Sustainable Energy is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1002/ep.14577
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        Text: English
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        Type: general
      – SubjectFull: Water use
        Type: general
      – SubjectFull: Grain size
        Type: general
      – SubjectFull: Light absorption
        Type: general
      – SubjectFull: Surface area
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      – TitleFull: Enhancing the performance of molybdenum disulfide‐based solar water evaporation systems by tuning the synthesis temperature.
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              Text: Mar/Apr2025
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              Y: 2025
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