Yu Xiaoshuang, Li Lili, Zhao Yue, Wang Xinzhi, Wang Yao, Shen Wenfei, Zhang Xiaolin, Zhang Yanying, Tang Jianguo, Inganäs Olle
Institute of Hybrid Materials, National Center of International Joint Research for Hybrid Materials Technology, National Base of International Sci. & Tech. Cooperation on Hybrid Materials, Qingdao University, Qingdao, P. R. China.
Biomolecular and Organic Electronics, Department of Physics, Chemistry and Biology (IFM), Linköping University, Linköping, Sweden.
Sci Technol Adv Mater. 2020 Oct 28;21(1):726-736. doi: 10.1080/14686996.2020.1799693.
The organic Eu-complex [Eu(TTA)Phen] has been incorporated into the channels of surface-modified frustules from diatoms as a key material to absorb and convert UV-photons to visible luminescence. Systematic investigation results indicate that the organic Eu-complex encapsulated in the functionalized diatomite channels exhibits enhanced luminescence and longer lifetime, owning to the Eu(TTA)Phen complex interacting with its surrounding silylating agents. The organic Eu-complex-anchored porous diatomite hybrid luminescent material was compounded with polyethylene terephthalate (PET) by using a mini-twin screw extruder to prepare a self-supporting film of the hybrid material. Besides, the UV absorption properties of the composite films were investigated. These films will potentially be related to the UV protection of photovoltaic devices.
有机铕配合物[Eu(TTA)Phen]已被掺入经表面改性的硅藻壳的通道中，作为吸收紫外光子并将其转换为可见发光的关键材料。系统研究结果表明，封装在功能化硅藻土通道中的有机铕配合物表现出增强的发光和更长的寿命，这归因于Eu(TTA)Phen配合物与其周围的硅烷化剂相互作用。通过使用小型双螺杆挤出机将有机铕配合物锚定的多孔硅藻土杂化发光材料与聚对苯二甲酸乙二酯（PET）复合，制备出该杂化材料的自支撑膜。此外，还研究了复合膜的紫外吸收特性。这些膜可能与光伏器件的紫外线防护有关。
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