Facile synthesis of nitrogen-doped carbon dots from COOH-functional ionic liquid and their sensing application in selective detection of free chlorine
作者：
DOI: 10.1088/2053-1591/3/9/095020
关键词:
摘要: Heteroatom doped carbon dots (CDs) possess many unique properties and have attracted increasing attention. The precursor is vital for the preparation of highly fluorescent heteroatom CDs. Herein, 1, 3-bis(carboxymethyl)imidazolium chloride ([Im(AH)2]Cl, a COOH-functional ionic liquid) aminoethylethanolamine (AEEA) were firstly used as precursors to prepare nitrogen-doped (N-CDs) by simple one-step pyrolysis approach. effects reaction time, temperature, mass ratio on quantum yield (QY) N-CDs investigated. prepared are spherical morphology with an average diameter 2.4 nm, blue fluorescence QY 23.2% excitation-dependent emission behavior. They also good water solubility stability. In addition, based obtained N-CDs, sensing method free chlorine detection in acidic system was introduced. proposed has sensitivity selectivity chlorine, exhibits nice linear response concentration range from 0.2 22 μM limit 0.15 μM. Furthermore, this successfully applied detect tap satisfactory recovery (97%–103%), suggesting it potential application quality monitoring.
harvard.edu
sci-hub.se 参考文章(57)
Baogang Wang, Weiwei Tang, Hongsheng Lu, Zhiyu Huang, Hydrothermal synthesis of ionic liquid-capped carbon quantum dots with high thermal stability and anion responsiveness Journal of Materials Science. ,vol. 50, pp. 5411- 5418 ,(2015) , 10.1007/S10853-015-9085-Y
Yaoping Hu, Jing Yang, Li Jia, Jun-Sheng Yu, Ethanol in aqueous hydrogen peroxide solution: Hydrothermal synthesis of highly photoluminescent carbon dots as multifunctional nanosensors Carbon. ,vol. 93, pp. 999- 1007 ,(2015) , 10.1016/J.CARBON.2015.06.018
Congyue Wang, Chunfeng Wang, Panpan Xu, Aoqi Li, Yujuan Chen, Kelei Zhuo, Synthesis of cellulose-derived carbon dots using acidic ionic liquid as a catalyst and its application for detection of Hg2+ Journal of Materials Science. ,vol. 51, pp. 861- 867 ,(2016) , 10.1007/S10853-015-9410-5
Hui Wang, Jing Di, Yubing Sun, Jianping Fu, Zengyan Wei, Hiroshi Matsui, Alejandra del C. Alonso, Shuiqin Zhou, Biocompatible PEG-Chitosan@Carbon Dots Hybrid Nanogels for Two-Photon Fluorescence Imaging, Near-Infrared Light/pH Dual-Responsive Drug Carrier, and Synergistic Therapy Advanced Functional Materials. ,vol. 25, pp. 5537- 5547 ,(2015) , 10.1002/ADFM.201501524
Yang Liu, Yanan Liu, Soo-Jin Park, Yifan Zhang, Taewoo Kim, Suhyeong Chae, Mira Park, Hak-Yong Kim, One-step synthesis of robust nitrogen-doped carbon dots: acid-evoked fluorescence enhancement and their application in Fe3+ detection Journal of Materials Chemistry A. ,vol. 3, pp. 17747- 17754 ,(2015) , 10.1039/C5TA05189D
Yaoping Hu, Jing Yang, Jiangwei Tian, Jun-Sheng Yu, How do nitrogen-doped carbon dots generate from molecular precursors? An investigation of the formation mechanism and a solution-based large-scale synthesis Journal of Materials Chemistry B. ,vol. 3, pp. 5608- 5614 ,(2015) , 10.1039/C5TB01005E
Y. Zhang, Y. H. He, P. P. Cui, X. T. Feng, L. Chen, Y. Z. Yang, X. G. Liu, Water-soluble, nitrogen-doped fluorescent carbon dots for highly sensitive and selective detection of Hg2+ in aqueous solution RSC Advances. ,vol. 5, pp. 40393- 40401 ,(2015) , 10.1039/C5RA04653J
Guoqin Wu, Miao Feng, Hongbing Zhan, Generation of nitrogen-doped photoluminescent carbonaceous nanodots via the hydrothermal treatment of fish scales for the detection of hypochlorite RSC Advances. ,vol. 5, pp. 44636- 44641 ,(2015) , 10.1039/C5RA04989J
Quan-Xing Mao, Wen-Jing Wang, Xin Hai, Yang Shu, Xu-Wei Chen, Jian-Hua Wang, The regulation of hydrophilicity and hydrophobicity of carbon dots via a one-pot approach Journal of Materials Chemistry B. ,vol. 3, pp. 6013- 6018 ,(2015) , 10.1039/C5TB00963D
Xinchen Kang, Xiaofu Sun, Buxing Han, Synthesis of Functional Nanomaterials in Ionic Liquids. Advanced Materials. ,vol. 28, pp. 1011- 1030 ,(2016) , 10.1002/ADMA.201502924