“Green” synthesis of Cu2S nanoparticles from (Z)-1-methyl-2-(pyrrolidin-2-ylidene)thiourea ligand for the preparation of Cu2S-chitosan nanocomposites for the removal of Cr(VI) ion from wastewater

Xaba, Thokozani; Magagula, J.; Nchoe, Obakeng B.

doi:10.1016/j.matlet.2018.07.057

Cited by 9 publications

(4 citation statements)

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“…Each beaker was treated with 5 mL nanocomposites or chitosan and stirred at different times (10,30,60,120,240, and 480 min). e results showed that 120 minutes was the optimum contact time for both adsorbents which is similar to the reported results by Xaba et al [28]. e effect of initial metal ion concentration of ZnOchitosan and pure chitosan solutions on the percentage removal of Fe(II) ion is shown in Figure 7 Journal of Chemistry concentration was varied from 50 to 200 mg/L.…”

Section: Effect Of Ph Contact Time and Initialsupporting

confidence: 86%

Decomposition of Bis(N-benzyl-salicydenaminato)zinc (II) Complex for the Synthesis of ZnO Nanoparticles to Fabricate ZnO-Chitosan Nanocomposite for the Removal of Iron (II) Ions from Wastewater

Xaba

Mongwai

Lesaoana

2019

Journal of Chemistry

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The whole world is faced with a huge challenge of the shortage of clean water due to industrialization and the intimidation of climate change. Poor water quality distresses many areas of human’s well-being. Although there are existing technologies for water treatments, many of these methods utilize toxic substances which create more problems into the environment. The preparation of bis(N-benzyl-salicydenaminato)zinc (II) complex and the synthesis of zinc oxide nanoparticles via the thermal decomposition of zinc complex together with the fabrication of ZnO-chitosan nanocomposites for the removal of iron (II) ions from wastewater is reported. The optical properties of the synthesized nanoparticles showed band edges that are red-shifted in wavelengths when the decomposition temperature was increased. The XRD patterns displayed the hexagonal ZnO phase for the synthesized nanoparticles. TEM images revealed spherical-shaped particles which became agglomerated when the temperature was increased. The parameters such as pH, contact time, and initial concentration were investigated during the water treatment. The pH = 6 was found to be optimum, and the highest percentage removal was recovered after three hours for both adsorbents.

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Section: Effect Of Ph Contact Time and Initialsupporting

confidence: 86%

Decomposition of Bis(N-benzyl-salicydenaminato)zinc (II) Complex for the Synthesis of ZnO Nanoparticles to Fabricate ZnO-Chitosan Nanocomposite for the Removal of Iron (II) Ions from Wastewater

Xaba

Mongwai

Lesaoana

2019

Journal of Chemistry

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“…Though many literatures have reported the synthesis of copper sulfides (CuS, Cu 2 S, CuS 2 , etc .) from copper salts and thiourea, the simultaneous growth of CuS and MoS 2 based on Cu nanowire template is seldom discussed.…”

Section: Resultsmentioning

confidence: 99%

Facile Morphology‐Tunable Preparation of CuS@MoS₂ Heterostructures Based on Template Solvothermal Method

Liu

Hong

et al. 2020

ChemistrySelect

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Morphology controlling has been considered as an important factor for constructing electrochemical catalysts with excellent catalytic activity as confirmed in recent studies. Herein we report a facile solvothermal method in synthesizing CuS@MoS2 nanocomposite with potentially high catalytic activity, of which different morphologies including nanorod (NR), hierarchical hollow nanosphere (HHNS) and solid nanosphere (SNS) can be simply tuned by solvent polarity and template‐precursor ratio. The morphological variation of these composites is believed as a result of the competition between overall free energy and surface free energy. The alternation in composite morphology finally causes a difference of electrochemical CO2 reduction (CO2 RR) activities among NR, HNNS and SNS, in which a low onset potential (‐0.35 V vs. RHE) and excellent cycling stability can be achieved. Our results demonstrate a large potentiality of CuS@MoS2 nanohybrid to be applied in CO2 RR once its morphology can be controlled.

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“…The preparation of Cu 2 S-chitosan nanocomposites for removing Cr(VI) ions from wastewater samples was achieved. 205 Structural studies of the particles were carried out using TEM and XRD. The XRD patterns presented the cubic Cu 1.8 S phase for all the synthesized copper sulfide nanoparticles.…”

Section: à2mentioning

confidence: 99%

Perspectives regarding metal/mineral-incorporating materials for water purification: with special focus on Cr(vi) removal

et al. 2020

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“Green” synthesis of Cu2S nanoparticles from (Z)-1-methyl-2-(pyrrolidin-2-ylidene)thiourea ligand for the preparation of Cu2S-chitosan nanocomposites for the removal of Cr(VI) ion from wastewater

Cited by 9 publications

References 10 publications

Decomposition of Bis(N-benzyl-salicydenaminato)zinc (II) Complex for the Synthesis of ZnO Nanoparticles to Fabricate ZnO-Chitosan Nanocomposite for the Removal of Iron (II) Ions from Wastewater

Decomposition of Bis(N-benzyl-salicydenaminato)zinc (II) Complex for the Synthesis of ZnO Nanoparticles to Fabricate ZnO-Chitosan Nanocomposite for the Removal of Iron (II) Ions from Wastewater

Facile Morphology‐Tunable Preparation of CuS@MoS₂ Heterostructures Based on Template Solvothermal Method

Perspectives regarding metal/mineral-incorporating materials for water purification: with special focus on Cr(vi) removal

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“Green” synthesis of Cu2S nanoparticles from (Z)-1-methyl-2-(pyrrolidin-2-ylidene)thiourea ligand for the preparation of Cu2S-chitosan nanocomposites for the removal of Cr(VI) ion from wastewater

Cited by 9 publications

References 10 publications

Decomposition of Bis(N-benzyl-salicydenaminato)zinc (II) Complex for the Synthesis of ZnO Nanoparticles to Fabricate ZnO-Chitosan Nanocomposite for the Removal of Iron (II) Ions from Wastewater

Decomposition of Bis(N-benzyl-salicydenaminato)zinc (II) Complex for the Synthesis of ZnO Nanoparticles to Fabricate ZnO-Chitosan Nanocomposite for the Removal of Iron (II) Ions from Wastewater

Facile Morphology‐Tunable Preparation of CuS@MoS2 Heterostructures Based on Template Solvothermal Method

Perspectives regarding metal/mineral-incorporating materials for water purification: with special focus on Cr(vi) removal

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Facile Morphology‐Tunable Preparation of CuS@MoS₂ Heterostructures Based on Template Solvothermal Method