Fe-Ni nanoparticle-catalyzed controlled synthesis of multi-walled carbon nanotubes on CaCO3

1104-1111The synthesis of Multi-Walled Carbon Nanotubes (MWCNTs) by Chemical Vapor Deposition (CVD) is becoming most ideal method for producing large quantity of CNT at different temperature conditions. Nano-porous materials such as transition metal carbonates with bimetallic alloy catalyst were used to fabricate MWCNTs with high yield and less amorphous carbon. In the present research work, the MWCNTs were successfully fabricated using Fe-Ni bimetallic catalyst on CaCO3 support with the 180% optimum yield. The proposed yield was high and less-cost effective catalysts to other methods. The yield of MWCNTs depends on four parameters such as growth time (30/45 min), growth temperature (700/730 oC), acetylene flow rate (150/190 ml/min) and argon flow rate (800/900 ml/min). The impact of the reaction temperature and the flow rates were observed to be most significant on the high yield of MWCNTs

Fe-Ni nanoparticle-catalyzed controlled synthesis of multi-walled carbon nanotubes on CaCO3

The synthesis of Multi-Walled Carbon Nanotubes (MWCNTs) by Chemical Vapor Deposition (CVD) is becoming mostideal method for producing large quantity of CNT at different temperature conditions. Nano-porous materials such astransition metal carbonates with bimetallic alloy catalyst were used to fabricate MWCNTs with high yield and lessamorphous carbon. In the present research work, the MWCNTs were successfully fabricated using Fe-Ni bimetallic catalyston CaCO3 support with the 180% optimum yield. The proposed yield was high and less-cost effective catalysts to othermethods. The yield of MWCNTs depends on four parameters such as growth time (30/45 min), growth temperature(700/730 oC), acetylene flow rate (150/190 ml/min) and argon flow rate (800/900 ml/min). The impact of the reactiontemperature and the flow rates were observed to be most significant on the high yield of MWCNTs

Fe-Ni nanoparticle-catalyzed controlled synthesis of multi-walled carbon nanotubes on CaCO3

1104-1111The synthesis of Multi-Walled Carbon Nanotubes (MWCNTs) by Chemical Vapor Deposition (CVD) is becoming most ideal method for producing large quantity of CNT at different temperature conditions. Nano-porous materials such as transition metal carbonates with bimetallic alloy catalyst were used to fabricate MWCNTs with high yield and less amorphous carbon. In the present research work, the MWCNTs were successfully fabricated using Fe-Ni bimetallic catalyst on CaCO3 support with the 180% optimum yield. The proposed yield was high and less-cost effective catalysts to other methods. The yield of MWCNTs depends on four parameters such as growth time (30/45 min), growth temperature (700/730 oC), acetylene flow rate (150/190 ml/min) and argon flow rate (800/900 ml/min). The impact of the reaction temperature and the flow rates were observed to be most significant on the high yield of MWCNTs

Synthesis of graphene nanosheets by emitted black carbon and its sustainable applications

An approach has been made to convert Black carbon (BC) into two-dimensional novel Graphene nanosheets (GNS) by simpler approach carried-out for the conversion of facile using Black carbon (BC) by purging Catalytic-Chemical vapor deposition (C-CVD) technique. Iron and Nickel (Fe-Ni) bi-metallic catalyst supports 92 % GNS yield, as opposed to other lower yields method and using less-cost effective catalysts. The synthesized GNS is employed for the photo-catalytic degradation of Rhodamine-B (RhB) in addition with Janus Green (JG) in a single step which resolves two organic dye contaminant issues with non-toxic molecular intermediates at the same time, under influence of solar light exposure. The Anti-bacterial properties activity of selected gram-negative and gram-positive and fungal activity was systematically achieved. GNS is highly stable and shows less toxicity against the Human embryonic kidney (HEK-293) cell lines and safer to the environment. Furthermore, regeneration efficiency of GNS, which was still at its higher value even after five consecutive cycles of recycling testing, GNS can perform the quite superior result than the earlier reported studies on structurally altered graphene and other graphitic based materials. The fusion of these investigations introduces a new course, promising way to achieve the new era in environmental remediation and utilization of these materials in future eco-friendly approaches

Synthesis of p-CuO/n-ZnO heterostructure by microwave hydrothermal method and evaluation of its photo and bio-catalytic performance

The use of photocatalysts without noble metals is of great interest in the industrial field for the degradation of organic pollutants. In this study, a CuO/ZnO heterostructure was synthesized using the microwave hydrothermal method and characterized using various analytical techniques. The synthesized CuO/ZnO photocatalyst exhibited a low bandgap energy of 2.4 eV, enabling efficient visible light absorption. The photocatalytic activity of the CuO/ZnO heterostructure was evaluated for the degradation of Methyl Orange (MO) dye and showed a high degradation efficiency of 99 % due to its excellent electron-hole charge separation. The biological activity of the synthesized CuO/ZnO catalyst was further investigated through protein docking studies, which showed promising results. The CuO/ZnO was also evaluated for its anticancer and antibacterial properties. It exhibited effective anticancer activity against prostate cancer cells (PC-3) in a dose-dependent manner, with an IC50 value of 6.87 ± 8. In addition, it demonstrated potent antibacterial activity against Escherichia coli, Staphylococcus aureus, Bacillus cereous and Pseudomonas aeruginola. The results of this study demonstrate the potential of CuO/ZnO heterostructures as promising materials for various applications in the fields of photocatalysis, biomedicine and antimicrobial materials. Future research in this area will focus on further optimizing the properties of the CuO/ZnO heterostructure to enhance its performance in these applications