Europium-doped layered double hydroxide with spectral conversion property for enhanced photosynthesis

文献类型： 外文期刊

第一作者： Wang, Chong

作者： Wang, Chong;Sun, Changjiao;Shen, Yue;Zhan, Shenshan;Li, Xingye;Liu, Qi;Li, Tao;Wang, Yan;Li, Zixian;Zhao, Yufei;Gao, Weichang

作者机构：

期刊名称：ENVIRONMENTAL SCIENCE-NANO （ 影响因子：7.3； 五年影响因子：7.9 ）

ISSN： 2051-8153

年卷期： 2024 年 11 卷 3 期

页码：

收录情况： SCI

摘要： Photosynthesis paves a sustainable way to meet the growing demand for food and agricultural products. Herein, a europium-doped layered double hydroxide (Eu-LDH) architecture was designed via a co-precipitation method to augment photosynthesis. DFT calculations and characterization data revealed that the doped Eu atoms bestow the architecture with photo-responsive properties through the regulation of the density of states and the optimization of the bandgap structure. Eu-LDH possesses the spectral conversion effect that converts the poorly utilized UV light into the strongly absorbed red light in plants. By the scientific and accurate foliar spraying, Eu-LDH demonstrated an enhanced photosynthetic efficiency in Nicotiana benthamiana, improving the photosynthetic rate, leaf area, fresh weight, and dry weight by 15.1%, 34.3%, 35.7%, and 16.7%, respectively. Moreover, the interaction between Eu-LDH and plant leaves was put forward as a key factor that is responsible for the promotion of photosynthesis. It ensured the duration of Eu-LDH on the leaf surface and provided an appropriate light environment for plants to carry out photosynthesis. These findings deepen the understanding of spectral conversion based on Eu-LDH with the engineered band gap structure towards increasing production and sustainable agricultural development. The europium doped layered double hydroxides (Eu-LDH) architecture has been designed via a co-precipitation method. It has been demonstrated photo-responsive property to enhance photosynthetic efficiency on Nicotiana benthamiana in greenhouse.

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