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1. 北京科技大学 土木与资源工程学院 北京,100083
2. 中国科学院过程工程研究所 生化工程国家重点实验室 北京,100190
纸质出版日期:2017-8-5,
收稿日期:2016-12-24,
修回日期:2017-2-11,
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邓祥意, 冯雅丽, 李浩然等. 生物质焦油制备的碳量子点[J]. 发光学报, 2017,38(8): 1015-1020
DENG Xiang-yi, FENG Ya-li, LI Hao-ran etc. Synthesis of Carbon Quantum Dots by Biomass Tar[J]. Chinese Journal of Luminescence, 2017,38(8): 1015-1020
邓祥意, 冯雅丽, 李浩然等. 生物质焦油制备的碳量子点[J]. 发光学报, 2017,38(8): 1015-1020 DOI: 10.3788/fgxb20173808.1015.
DENG Xiang-yi, FENG Ya-li, LI Hao-ran etc. Synthesis of Carbon Quantum Dots by Biomass Tar[J]. Chinese Journal of Luminescence, 2017,38(8): 1015-1020 DOI: 10.3788/fgxb20173808.1015.
利用生物质热解副产物焦油为碳前驱体,采用反相微乳液法和P
2
O
5
碳化法制备了荧光碳量子点。反相微乳液法制备的碳量子点为规则球状结构,粒径均一,平均粒度为4.3 nm,晶面间距为0.25 nm,对应于石墨碳的(100)晶面;P
2
O
5
碳化法制备的碳量子点为蜂窝状结构,平均粒径为6.8 nm,晶面间距为0.33 nm,对应于石墨碳的(002)晶面。两种方法制备的碳量子点均具备石墨结构特征,碳量子点荧光产率分别为85.3%和24.3%。
By using the reverse microemulsion method and P
2
O
5
carbonization method
the fluorescent carbon quantum dots were prepared using pyrolysis by-products tar as carbon precursor. The carbon dots prepared by reverse microemulsion method are regular spherical structures with uniform particle size of 4.3 nm and the crystal lattice spacing is 0.25 nm
corresponding to the (100) plane of graphite carbon. The carbon quantum dots prepared by P
2
O
5
carbonization method are honeycomb-like with particle size of 6.8 nm and the crystal lattice spacing is 0.33 nm
corresponding to the (002) plane of graphite carbon. The yield of carbon quantum dots is 85.3% and 24.3%
respectively.
生物质焦油反相微乳液法P2O5碳化法碳量子点
biomass tarreverse microemulsion methodP2O5 carbonization methodcarbon quantum dots
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