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Sustainable production of molybdenum carbide (MXene) from fruit wastes for improved solar evaporation
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Type
Article
Citation
Marliyana Aizudin, Murali Krishna Sudha, Goei, R., Lua, S. K., Rafeeque Pottammel, Tok, A. L. Y., & Ang, E. H. (2023). Sustainable production of molybdenum carbide (MXene) from fruit wastes for improved solar evaporation. Chemistry - A European Journal, 29(2), Article e202203184. https://doi.org/10.1002/chem.202203184
Author
Marliyana Aizudin
•
Murali Krishna Sudha
•
Goei, Ronn
•
Lua, Shun Kuang
•
Rafeeque Poolamuri Pottammel
•
Tok, Alfred Ling Yoong
•
Abstract
Freshwater production using solar-driven interfacial evaporation is considered to be a green and sustainable strategy. The biggest barrier to practical deployment of solar desalination, however, continues to be the lack of options for renewable materials. Herein, we present a simple two-step carbonization approach that is sustainable for developing innovative two-dimensional (2D) molybdenum carbide (Mo2C) materials derived from carbonized fruit wastes. The resultant 2D Mo2C photothermal layer has a high water evaporation rate of 1.52 kg m-2 h-1 with a photothermal conversion efficiency of 94 % under one sun irradiation, which is among the best values reported thus far. The broad solar absorption band, high specific surface area (555.1 m2 g-1) with large micro- and meso porosity of the Mo2C photothermal layer are responsible for these outstanding results. The conversion of food wastes into valuable products, in this case MXene, can potentially inspire greener developments of advanced materials for solar water evaporator.
Date Issued
2023
Publisher
Wiley
Journal
Chemistry - A European Journal
Project
RI 1/21 EAH
SUG 4/20 AHX
Grant ID
RG10/22
Funding Agency
Ministry of Education, Singapore
National Institute of Education