Energy and environmental issues have become increasingly severe. The use of photovoltaic devices to develop commercially viable solar energy has become a hot issue that the international community needs to address urgently. However, solar cells are currently suffering from serious dust pollution, resulting in the actual photoelectric conversion efficiency of the battery reduced by half or even more. However, there are few reports on the self-cleaning of solar cell dust, and the removal of the contamination by manual wiping method is not only costly. And the security risks are bigger.
Professor Zhang Haiming's team designed a biomimetic self-cleaning nanostructure (ie, patterned onion-like zinc oxide nanostructures) that is expected to overcome this problem. They controlled the zinc oxide nanostructures through colloidal single crystals, which are soft materials, and finally achieved super-hydrophobic self-cleaning. They have good prospects for automatic dust-proof application of photovoltaic devices.
In particular, it is worth mentioning that this collapsing global problem of colloidal crystal self-assembly has led to the joint efforts of researchers from such top academic institutions as the University of Purdue University in China and the China University of Science and Technology in China. • The Monte Carlo method was used to perform theoretical simulations, successfully predicting the challenge of the best assembly temperature, and greatly improving the experimental efficiency. This research work has very good scientific significance and application prospects and has been highly evaluated by reviewers such as "very interesting". The study was funded by the National Natural Science Foundation of China.
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