Evidence map›Paper›PMID 40467669›Full record

ArticleScientific reports2025

Novel synthesis method of multi walled carbon nanotube-silica Janus nanostructures.

Hamed Namdar, Mehrdad Manteghian, Arezou Jafari, Masoud Riazi

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Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Hamed NamdarDepartment of Petroleum Engineering, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran.
Mehrdad ManteghianDepartment of Petroleum Engineering, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran. manteghi@modares.ac.ir.
Arezou JafariDepartment of Petroleum Engineering, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran. ajafari@modares.ac.ir.
Masoud RiaziSchool of Mining and Geosciences, Nazarbayev University, Kabanbay Batyr 53, Astana, Kazakhstan.

Funding

Modares Science and Technology Park 996949922
6 · The paper itself

Abstract

Nowadays, Janus nanoparticles have received a lot of attention in high-tech processes due to their special ability of simultaneous hydrophilicity and oleophilicity. In this study, a new synthesis method for Janus nanostructure using multi-walled carbon nanotube (MWCNT) and silica nanoparticle is proposed. FTIR, TEM, EDX, XRD and TGA characterization tests were performed to check the properties of synthesized nanostructure. The simultaneous hydrophilicity and oleophilicity properties of the synthesized nanostructure was investigated by examining its placement at the interface of water and various organic materials (engine oil, chloroform and crude oil). Also, effect of weight ratios of nanotubes to silica (10, 20, 30, 40 and 50%) on the degree of hydrophilicity and oleophilicity were investigated. The results of FTIR, XRD, EDX and TGA characterization tests effectively show the formation of nanotube-silica hybrid. Also, the FTIR test results confirm the hydrophilicity and oleophilicity of the synthesized nanostructure according to the absorption spectrum of carboxylic acid functional groups (hydrophilicity property) and alkane and alkene bonds related to oleic acid (oleophilicity property). In addition, TEM images clearly show the bonding of silica nanoparticle on the structure of MWCNTs. The average size of the synthesized crystal was estimated to be about 13 nm using XRD results, while with the help of TEM image analysis, the average particle size was estimated to be 14 nm. The physical presence of the synthesized nanostructure at the interface of water and various organic materials is a good confirmation of the dual nature of the synthesized nanostructure. The finer, more uniform and the largest amount of emulsion was formed at the nanotube to silica ratio of 20%, therefore Janus nanostructure has a better performance in this ratio.

Indexed as

HydrophilicityJanusMWCNTNanoparticleOleophilicitySilicaSynthesis

Identifiers

PMID40467669
PMCPMC12137696

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