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.

MaterialsSynthesis methodConditionsApplicationsRef.

NMCNsThe facile organic-organic self-assemblyEthanol (10 mL), H2O (40 Ml), stirring for 25 min, 0.1 mL of EDA and 0.26 g of phloroglucinol, 0.26 g of HMTAcid red 57 molecules adsorption[37]

CNsHydrothermal method4 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-CIn situ carbothermal reduction synthesis1.0 g of dopamine, 1.76 mmol of FeCl3·6H2O, 10 min, 10 mmol of tris, stirred for 30 hU (VI) adsorption and reduction[39]

NMCNsThe facile organic-organic self-assembly

Fe-NMCNsHexamine-induced coassembly route0.4 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 hexamineAcid red 57 (AR) and basic fuchsin (BF) adsorption[40]