کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7783587 | 1500572 | 2018 | 29 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Near-infrared emissive lanthanide hybridized nanofibrillated cellulose nanopaper as ultraviolet filter
ترجمه فارسی عنوان
نانوکامپوزیت سلولز نانوفیبریل شده با لانتاناید نزدیک به مادون قرمز به عنوان فیلتر فرابنفش
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آلی
چکیده انگلیسی
The lanthanide complexes [Yb(fac)3(H2O)2, Yb(tta)3(H2O)2, Nd(tta)3(H2O)2] functionalized nanofibrillated cellulose (Ln-NFC) nanopapers with near-infrared (NIR) luminescence and high transparency are rapidly fabricated after solvent exchange using a simple suction filtration film-making method. The effects of NFC and lanthanide complexes content on their photophysical properties of Ln-NFC nanopapers and their mechanism of UV filters are fully investigated. With increasing lanthanide complexes content in the Ln-NFC nanopaper, their transmittances are gradually decreased while their NIR luminescences are obviously increased. Yb-fac NFC nanopaper has high UVB block rate at 298â¯nm, whereas the high UVA block ratio of Ln-tta NFC nanopaper is observed at 345â¯nm. Ln-NFC nanopapers show a much higher photostability without decomposition under UV irradiation at 365â¯nm over 5â¯h. The emission spectra of the Ln-NFC nanopaper process the NIR luminescence of the corresponding lanthanide ions through the efficient triplet-triplet energy transfer process. Ln-NFC nanopapers can bring a brilliant future for UV filters, labeling fields and marking soft materials application.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Carbohydrate Polymers - Volume 186, 15 April 2018, Pages 176-183
Journal: Carbohydrate Polymers - Volume 186, 15 April 2018, Pages 176-183
نویسندگان
Bailiang Xue, Zhao Zhang, Yongchang Sun, Junjie Wang, Huie Jiang, Min Du, Congcong Chi, Xinping Li,