Green synthesis of fluorescent carbon dots for sensitive detection of Fe2+ and hydrogen peroxide

被引：65
作者：
Shi, Jing [1 ]
Ni, Gang [1 ]
Tu, Jinchun [2 ]
Jin, Xiaoyong [1 ]
Peng, Juan [1 ]
机构：
[1] Ningxia Univ, Sch Chem & Chem Engn, Yinchuan 750021, Peoples R China
[2] Hainan Univ, Key Lab Trop Biol Resources, Minist Educ, Haikou 570228, Hainan, Peoples R China
来源：
JOURNAL OF NANOPARTICLE RESEARCH | 2017年 / 19卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Carbon dots; Cornstalk; Hydrothermal treatment; Fe2+; Hydrogen peroxide; Environmental effects; GRAPHENE QUANTUM DOTS; ONE-POT SYNTHESIS; SELECTIVE DETECTION; HYDROTHERMAL SYNTHESIS; HIGHLY LUMINESCENT; FACILE SYNTHESIS; NITROGEN; IONS; FE3+; NANOPARTICLES;
D O I：
10.1007/s11051-017-3888-5
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this paper, the green synthesis of fluorescent carbon dots (CDs) via one- step hydrothermal treatment of cornstalk was investigated. This approach is facile, economical, and effective. The obtained CDs with an average diameter of 5.2 nm possess many excellent properties such as emitting blue fluorescence under UV light (365 nm), high monodispersity, good stability, excellent water dispersibility, and absolute quantum yield of 7.6%. Then, these CDs were used as sensing probes for the detection of Fe2+ and H2O2 with detection limits as low as 0.18 and 0.21 mu M, respectively. This sensing platform shows advantages such as high selectivity, good precision, rapid operation, and avoiding the precipitation of iron oxyhydroxides.
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页数：10
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