4.7 Article

In situ synthesizing C-CuO composite for efficient photo-thermal conversion and its application in solar-driven interfacial evaporation

期刊

INTERNATIONAL JOURNAL OF ENERGY RESEARCH
卷 45, 期 5, 页码 7829-7839

出版社

WILEY
DOI: 10.1002/er.6367

关键词

C‐ CuO composite; in situ synthesis; interfacial evaporation; membrane; photo‐ thermal conversion

资金

  1. 14th University Student Research Project in Suzhou University [KYLXZCXM20-006]
  2. Doctoral Research Startup Fund Project of Suzhou University [2019jb01]
  3. Wang Hongyan Teaching Studio [2016msgzs071]

向作者/读者索取更多资源

In this study, a C-CuO composite was synthesized on a membrane by a facile solid phase grinding method, and its performance on the membrane was investigated. The high-quality evaporation performance and efficient evaporation rate of this composite provide a potential alternative for solar-driven clean water production.
In this work, we in situ synthesized C-CuO composite by a facile solid phase grinding for efficient photo-thermal conversion. Moreover, surface morphology, hydrophilicity property, light absorption characteristic, and evaporation performance were investigated on C-CuO membrane. It can be seen that C-CuO composite was well dispersed on the membrane, prompting light harvesting and intentionally encouraging water evaporation. The surface hydrophilicity assisted valid water flow by the membrane toward the heat localization zone and smooth steam escape. At a calcination temperature of 250 degrees C and a mass ratio of 1:1 regarding the preparation of C-CuO composite, surface temperature of C-CuO membrane reached to the maximum value around 87.4 degrees C, noticeably stimulating the conversion of water to vapor. Further, the evaporation system with 0.015 g C-CuO composite loading possessed top-quality evaporation performance with superior recyclability, which mirrored to 92.6% evaporation efficiency and 1.34 kg m(-2) hours(-1) evaporation rate after 30 minutes exposure to light, respectively. Our work suggested that in situ synthesized C-CuO composite was regarded as a potential alternative for clean water production by solar-driven interfacial evaporation.

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