Research progress of solar desalination materials produced by laser micro-nano fabrication

Yu Xing; Yan Junsen; Wu Zhipeng; Wu Tingni; Yin Kai

doi:10.12086/oee.2022.210313

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Yu X, Yan J S, Wu Z P, et al. Research progress of solar desalination materials produced by laser micro-nano fabrication[J]. Opto-Electron Eng, 2022, 49(1): 210313. doi: 10.12086/oee.2022.210313

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Yu X, Yan J S, Wu Z P, et al. Research progress of solar desalination materials produced by laser micro-nano fabrication[J]. Opto-Electron Eng, 2022, 49(1): 210313. doi: 10.12086/oee.2022.210313

Research progress of solar desalination materials produced by laser micro-nano fabrication

1.
Hunan Key Laboratory of Nanophotonics and Devices, School of Physics and Electronics, Central South University, Changsha, Hunan 410083, China
2.
State Key Laboratory of High Performance and Complex Manufacturing, Central South University, Changsha, Hunan 410083, China

Fund Project: National Natural Science Foundation of China (52075557, 51805553), Natural Science Foundation of Hunan Province (2021JJ20067), and Independent Project of State Key Laboratory of High-performance Complex Manufacturing, Central South University (ZZyJKT2019-12)

More Information

^*Corresponding author: kaiyin@csu.edu.cn

Received Date 28 September 2021

Revised Date 29 November 2021

Published Date 25 January 2022

Abstract

Abstract

The seawater desalination technology plays an important role in solving the problem of water shortage. In particular, the research of solar seawater technology has attracted more research and industry attentions. As an advanced and convenient processing method, laser micro/nano-manufacturing technology has made some achievements in the field of preparing seawater desalination materials in recent years. Based on the solar desalination and laser processing technologies as the research background, according to diverse research materials, we summarize the research progress of laser micro/nano-manufacturing technology in the preparation of seawater desalination materials from three different aspects, including carbon-based, metal-based and composite materials. Finally, challenges and prospects of this field are provided.
- laser /
- micro and nano-fabrication /
- solar /
- desalination

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References

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Overview

Overview

Seawater desalination technology plays an important role in solving the problem of water resource shortage. In particular, the research of solar seawater technology has attracted more attentions. As an advanced and convenient fabrication method, laser micro/nano-preparation technology has achieved some research results in the field of fabricating the seawater desalination materials in recent years. Based on the research background of solar desalination and laser processing technology, this paper systematically reviews the research progress of laser micro/nano-processing technology to prepare seawater desalination materials in recent years.

In the study of solar water desalination, functional materials are made to improve the efficiency of solar water evaporation. In addition, the position of functional materials in water also greatly affects the light utilization rate. A large number of studies have shown that placing functional materials on water surface is the most efficient mode to utilize light. Based on this model, not only do the functional materials require excellent optical properties, which can ensure efficient broadband solar absorption, but also they need good thermal management capabilities in order to reduce heat loss. With the development of research, people have higher requirements on machining accuracy and material functionality. However, traditional micro/nano-processing methods, such as chemical treatment, can not well meet the needs. Therefore, after a long time of exploration, laser micro/nano-machining is favored because of its high power density, high precision, wide application range and other advantages. It gradually becomes an important method in the field of micro/nano-processing, and has been widely used in the study of seawater desalination materials. The researches on laser manufacturing of seawater desalination materials in recent years are divided into three parts: carbon based, metal based and composite based materials.

The development of seawater desalination technology and laser micro/nano-processing technology are still in its infancy, and there is still a long way to go before they can be applied in industrial production. However, with the deepening of research, a new generation of high-power and high-frequency lasers will develop rapidly. The laser micro/nano-machining technology will provide higher manufacturing efficiency and operation stability at the lower cost, and the mechanism of laser processing technology will be understood more clearly. It is believed that laser micro/nano-processing will gradually promote the practice of solar water desalination and become an important research field in the future.