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Facile Synthesis of Carbon Dots from Biomass Material and Multi-Purpose Applications |
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| Authors: | Xu Lina Yao Na Ding Haiyang Yang Xiaohua Li Shouhai Xia Jianling Li Mei |
| Affiliation: | 1.Institute of Chemical Industry of Forest Products, CAF; National Engineering Lab. for Biomass Chemical Utilization; Key Lab. of Chemical Engineering of Forest Products, National Forestry and Grassland Administration; Key Lab. of Biomass Energy and Material, Jiangsu Province; Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing, 210042, China ;2.Research Institute of Forestry New Technology, CAF, Beijing, 100091, China ;3.College of Materials Science and Technology, Beijing Forestry University, Beijing, 100083, China ; |
| Abstract: | Selective and sensitive water content measurement in organic solvents is extremely significant for both industrial use and laboratory preparation. Carbon nanodots are promising carbon nanomaterials with unique and novel properties and thus have drawn growing attention. However, the hydrothermal approach for the preparation of carbon dots always uses water as solvent, and consequently, the development of carbon dots from biomass materials for fluorescence detection of water content remains unexplored. Here, carbon dots were prepared from gallic acid via a cheap and facile one-step method. The as-prepared carbon dots present excellent sensitivity and selectivity toward water content and exhibits good linear relationships with water content in range of 0–10%. The carbon dots demonstrated a strong antioxidation capacity and colour-reaction of Fe3+ like gallic acid. The carbon dots also showed solid-state lighting. |
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