Single-step scalable conversion of waste natural oils to carbon nanowhiskers and their interaction with mammalian cells

Datta, Abheek; Dutta, Priyanka; Sadhu, Anustup; Maiti, Sankar; Bhattacharyya, Sayan

doi:10.1007/s11051-013-1808-x

Cited by 14 publications

(16 citation statements)

References 42 publications

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“…[9][10][11] Among the confining supports, carbon nanomaterials are most popular because of their chemical stability, regenerability, mechanical strength, high porosity and ease of surface functionalization. 12 One-dimensional carbon nanostructures such as tubes, fibers and whiskers, 13,14 along with nanospheres and cages, 15 are desirable host materials for anchoring and confining the catalyst NPs in heterogeneous catalysis reactions. However, the most commonly used support is mesoporous carbon because of its large surface area, 16 where the NPs can be embedded inside the pores or immobilized on the surface.…”

Section: Introductionmentioning

confidence: 99%

Enhanced catalytic activity of palladium nanoparticles confined inside porous carbon in methanol electro-oxidation

2015

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Section: Introductionmentioning

confidence: 99%

Enhanced catalytic activity of palladium nanoparticles confined inside porous carbon in methanol electro-oxidation

2015

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“…Used nonpurified mustard, soybean, sesame, and castor oils were converted into carbon nanowhiskers (CNWs) with diameters of 98−191 nm and lengths of under 2 μm via a high-temperature catalytic reaction in a closed system under self-generated pressure. 299 The CNWs consisted of carbon spirals with spacing between two adjacent layers at ∼3.1 nm and were arranged perpendicular to the whisker axis. Full conversion of the natural oils to CNWs was obtained at 850°C for 10 h. The aspect ratio was highest for waste mustard oil (13:1).…”

Section: Waste Materialsmentioning

confidence: 99%

Sustainable Life Cycles of Natural-Precursor-Derived Nanocarbons

2015

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Sustainable societal and economic development relies on novel nanotechnologies that offer maximum efficiency at minimal environmental cost. Yet, it is very challenging to apply green chemistry approaches across the entire life cycle of nanotech products, from design and nanomaterial synthesis to utilization and disposal. Recently, novel, efficient methods based on nonequilibrium reactive plasma chemistries that minimize the process steps and dramatically reduce the use of expensive and hazardous reagents have been applied to low-cost natural and waste sources to produce value-added nanomaterials with a wide range of applications. This review discusses the distinctive effects of nonequilibrium reactive chemistries and how these effects can aid and advance the integration of sustainable chemistry into each stage of nanotech product life. Examples of the use of enabling plasma-based technologies in sustainable production and degradation of nanotech products are discussed-from selection of precursors derived from natural resources and their conversion into functional building units, to methods for green synthesis of useful naturally degradable carbon-based nanomaterials, to device operation and eventual disintegration into naturally degradable yet potentially reusable byproducts.

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“…The obtained CNTs were a combination of MWCNTs and SWCNTs which may be due to the complex composition of the pre‐cooked vegetable oils. Recently, Datta et al . reported the effective fabrication of one dimensional carbon nanowhiskers from pre‐cooked vegetable oils of mustard, soybean, sesame, and castor using a dry autoclaving method.…”

Section: Renewable Feedstocks For Carbon Nanotubesmentioning

confidence: 99%

Carbon nanotubes from renewable feedstocks: A move toward sustainable nanofabrication

Vivekanandhan

Schreiber

Muthuramkumar³

et al. 2016

J of Applied Polymer Sci

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A recent development in the manufacturing of carbon nanotubes is the usage of renewable feedstocks as a carbon source. This new development is receiving much support and is a source of excitement among the global research communities due to the positive environmental impacts, reduced carbon footprints, and economic benefits. Various types of renewable feedstocks such as vegetable oils, plant derivatives, and other types of biomasses have been used for the green synthesis of carbon nanotubes by employing conventional fabrication techniques. As the global demand increases for green manufacturing, efforts to synthesize carbon nanotubes from renewable resources are receiving immense attention while also strengthening the concept of biorefinery. This also enables the efficient use of resources as well as improved waste management. The present review summarizes the recent developments and current status of the synthesis of carbon nanotubes using renewable feedstocks along with technical discussions, opportunities for novel precursors, and future directions.

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Single-step scalable conversion of waste natural oils to carbon nanowhiskers and their interaction with mammalian cells

Cited by 14 publications

References 42 publications

Enhanced catalytic activity of palladium nanoparticles confined inside porous carbon in methanol electro-oxidation

Enhanced catalytic activity of palladium nanoparticles confined inside porous carbon in methanol electro-oxidation

Sustainable Life Cycles of Natural-Precursor-Derived Nanocarbons

Carbon nanotubes from renewable feedstocks: A move toward sustainable nanofabrication

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