کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7853381 | 1508871 | 2014 | 38 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Fabrication of nitrogen-doped hierarchically porous carbons through a hybrid dual-template route for CO2 capture and haemoperfusion
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی (عمومی)
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چکیده انگلیسی
Hierarchically porous carbon materials have many important technological applications; however, most of them were fabricated using either expensive materials or complicated procedures. Based on a general chelate-assisted multi-component co-assembly strategy, nitrogen-doped hierarchically porous carbon materials were fabricated by using Al-based composite and commercial triblock copolymer Pluronic F127 as co-templates, and natural banana peel as precursor. This versatile strategy allowed to easily achieve tunable surface area (700-2100Â m2Â gâ1), pore volume (0.38-1.65Â cm3Â gâ1) and a narrow average mesoporous size of ca. 2.72-4.03Â nm by simply varying the dosages of Al3+ and F127, and to attain high N content (4.54 wt%) in a large-scale fabrication system (2Â L). X-ray photoelectron spectroscope characterization of the as-prepared sample revealed nitrogen atoms are mainly in the form of pyridinic nitrogen, quaternary nitrogen and pyridine-N-oxide. Importantly, these as-obtained carbon materials showed excellent performance in CO2 capture and bilirubin removal with high adsorption capacities and selectivities. The present fabrication strategy is also applicable to the design of porous carbons doped with other elements by choosing appropriate biomass precursors.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Carbon - Volume 76, September 2014, Pages 84-95
Journal: Carbon - Volume 76, September 2014, Pages 84-95
نویسندگان
Rui-Lin Liu, Wen-Juan Ji, Tian He, Zhi-Qi Zhang, Jing Zhang, Fu-Quan Dang,