From Bio to Nano: A Review of Sustainable Methods of Synthesis of Carbon Nanotubes

Janas, Dawid

doi:10.3390/su12104115

Cited by 39 publications

(22 citation statements)

References 151 publications

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“…Several of them, such as graphite and diamond, have been found since ancient times; others were born at the end of the 20 th century, such as fullerenes (1985) and nanotubes (1991). A large number of scientists, including chemists and physicists, have worked on these different dimensional (D) materials: 3D for diamond and graphite, 0D for fullerenes, and 1D for carbon nanotubes (CNT), rendering them acquainted in a wide range of research fields.…”

Section: Introductionmentioning

confidence: 99%

From 2D Graphene Nanosheets to 3D Graphene‐based Macrostructures

Firdaus

Berrada

Desforges

et al. 2020

Chemistry An Asian Journal

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The combination of exceptional functionalities offered by 3D graphene‐based macrostructures (GBMs) has attracted tremendous interest. 2D graphene nanosheets have a high chemical stability, high surface area and customizable porosity, which was extensively researched for a variety of applications including CO2 adsorption, water treatment, batteries, sensors, catalysis, etc. Recently, 3D GBMs have been successfully achieved through few approaches, including direct and non‐direct self‐assembly methods. In this review, the possible routes used to prepare both 2D graphene and interconnected 3D GBMs are described and analyzed regarding the involved chemistry of each 2D/3D graphene system. Improvement of the accessible surface of 3D GBMs where the interface exchanges are occurring is of great importance. A better control of the chemical mechanisms involved in the self‐assembly mechanism itself at the nanometer scale is certainly the key for a future research breakthrough regarding 3D GBMs.

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Section: Introductionmentioning

confidence: 99%

From 2D Graphene Nanosheets to 3D Graphene‐based Macrostructures

Firdaus

Berrada

Desforges

et al. 2020

Chemistry An Asian Journal

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“…S5 ). While the HER overpotential on SWCNT-film HER 20 h was 125 mV higher than recorded using Pt/C at the current density of 100 mA cm −2 , such electrodes are flexible, inexpensive, easily recyclable, and can be produced from sustainable substrates 26 .…”

Section: Resultsmentioning

confidence: 95%

Revealing the effect of electrocatalytic performance boost during hydrogen evolution reaction on free-standing SWCNT film electrode

Kordek-Khalil

Janas

Rutkowski

2021

Sci Rep

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Large-scale sustainable hydrogen production by water electrolysis requires a highly active yet low-cost hydrogen evolution reaction (HER) electrocatalyst. Conductive carbon nanomaterials with high surface areas are promising candidates for this purpose. In this contribution, single-walled carbon nanotubes (SWCNTs) are assembled into free-standing films and directly used as HER electrodes. During the initial 20 h of electrocatalytic performance in galvanostatic conditions, the films undergo activation, which results in a gradual overpotential decrease to the value of 225 mV. Transient physicochemical properties of the films at various activation stages are characterized to reveal the material features responsible for the activity boost. Results indicate that partial oxidation of iron nanoparticles encapsulated in SWCNTs is the major contributor to the activity enhancement. Furthermore, besides high activity, the material, composed of only earth-abundant elements, possesses exceptional performance stability, with no activity loss for 200 h of galvanostatic performance at − 10 mA cm−2. In conclusion, the work presents the strategy of engineering a highly active HER electrode composed of widely available elements and provides new insights into the origins of electrocatalytic performance of SWCNT-based materials in alkaline HER.

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“…The formed nanotubes had no Fe nanoparticles in the interior, had diameters within 50-60 nm, and a sheet-like structure showing an intricate long-range array of folds. Thus, synthesis of nanotubes from oil represents the renewable, energy-efficient, cost-effective and most importantly, much more compatible to environment and laboratory personnel [146]. So, since the CNTs inception, making CNTs in big yields is now no more a herculean task than in the beginning years.…”

Section: Synthesis Of Cnts and Graphene From Oilmentioning

confidence: 99%

Recent Advances on Properties and Utility of Nanomaterials Generated from Industrial and Biological Activities

et al. 2021

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Today is the era of nanoscience and nanotechnology, which find applications in the field of medicine, electronics, and environmental remediation. Even though nanotechnology is in its emerging phase, it continues to provide solutions to numerous challenges. Nanotechnology and nanoparticles are found to be very effective because of their unique chemical and physical properties and high surface area, but their high cost is one of the major hurdles to its wider application. So, the synthesis of nanomaterials, especially 2D nanomaterials from industrial, agricultural, and other biological activities, could provide a cost-effective technique. The nanomaterials synthesized from such waste not only minimize pollution, but also provide an eco-friendly approach towards the utilization of the waste. In the present review work, emphasis has been given to the types of nanomaterials, different methods for the synthesis of 2D nanomaterials from the waste generated from industries, agriculture, and their application in electronics, medicine, and catalysis.

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From Bio to Nano: A Review of Sustainable Methods of Synthesis of Carbon Nanotubes

Cited by 39 publications

References 151 publications

From 2D Graphene Nanosheets to 3D Graphene‐based Macrostructures

From 2D Graphene Nanosheets to 3D Graphene‐based Macrostructures

Revealing the effect of electrocatalytic performance boost during hydrogen evolution reaction on free-standing SWCNT film electrode

Recent Advances on Properties and Utility of Nanomaterials Generated from Industrial and Biological Activities

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