期刊
DYES AND PIGMENTS
卷 213, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2023.111161
关键词
White-light-emitting hydrogel; Carbon dots; Quantum dots; Anisotropic; Fluorescence
Hybrid anisotropic hydrogel is created by dispersing carbon quantum dots and ultrahigh magnetic nanoparticle-coated alumina (Fe/Al2O3) platelets in acrylamide aqueous solution with the assistance of a magnetic field, and then fixing the oriented structure through gelation. The aligned Fe/Al2O3 platelets lead to the formation of anisotropic structure, providing mechanical and fluorescent anisotropy to the hydrogels. White-light emission is achieved by adjusting the weight ratio of yellow-emitting ZnO QDs and blue-emitting N,S-CDs. This approach not only enriches the field of mechanical/fluorescent dual anisotropic soft materials, but also holds significant potential in organic light-emitting diodes, nonlinear optics, and field effect transistors.
In this work, hybrid anisotropic hydrogel is developed through dispersing carbon quantum dots, ultrahigh magnetic nanoparticle-coated alumina (Fe/Al2O3) platelets in acrylamide aqueous solution in the assistance of magnetic field, then fix the oriented structure via gelation. The aligned Fe/Al2O3 platelets result in formation of anisotropic structure, thus endows the hydrogels mechanical anisotropy and fluorescent anisotropy. White-light emission is obtained via varying the weight ratio of yellow-emitting ZnO QDs and blue-emitting N,S-CDs. This strategy not only enriches the mechanical/fluorescent dual anisotropic soft materials, but also have great potential application in the fields of organic light-emitting diodes, nonlinear optics and field effect transistors.
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