Research Article
Green Synthesis of S- and N-Codoped Carbon Nanospheres and Application as Adsorbent of Pb (II) from Aqueous Solution
Table 1
List of some previous work prepared of CNs.
| Materials | Synthesis method | Conditions | Applications | Ref. |
| NMCNs | The facile organic-organic self-assembly | Ethanol (10 mL), H2O (40 Ml), stirring for 25 min, 0.1 mL of EDA and 0.26 g of phloroglucinol, 0.26 g of HMT | Acid red 57 molecules adsorption | [37] |
| CNs | Hydrothermal method | 4 g C6H12O6·H2O and 40 mL water at 180°C for 6 h, vacuum dried at 80°C for 12 h. | Removal of organic dyes | [38] |
| Fe/N-C | In situ carbothermal reduction synthesis | 1.0 g of dopamine, 1.76 mmol of FeCl3·6H2O, 10 min, 10 mmol of tris, stirred for 30 h | U (VI) adsorption and reduction | [39] |
| NMCNs | The facile organic-organic self-assembly | | | |
| Fe-NMCNs | Hexamine-induced coassembly route | 0.4 g of F127, 5 mL of HC, 0.2 g of 3-aminophenol, 43 mL water/ethanol (35 : 8, v/v), 1 h, 0.1 g of hexamine | Acid red 57 (AR) and basic fuchsin (BF) adsorption | [40] |
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