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Brandão ATSC, Rosoiu S, Costa R, et al. Characterization of Carbon Nanomaterials Dispersions: Can Metal Decoration of MWCNTs Improve Their Physicochemical Properties?. Nanomaterials (Basel). 2021;12(1)doi: 10.3390/nano12010099.
Brandão, A. T. S. C., Rosoiu, S., Costa, R., Silva, A. F., Anicai, L., Enachescu, M., & Pereira, C. M. (2021). Characterization of Carbon Nanomaterials Dispersions: Can Metal Decoration of MWCNTs Improve Their Physicochemical Properties?. Nanomaterials (Basel, Switzerland), 12(1), . https://doi.org/10.3390/nano12010099
Brandão, Ana T S C, et al. "Characterization of Carbon Nanomaterials Dispersions: Can Metal Decoration of MWCNTs Improve Their Physicochemical Properties?." Nanomaterials (Basel, Switzerland) vol. 12,1 (2021). doi: https://doi.org/10.3390/nano12010099
Brandão ATSC, Rosoiu S, Costa R, Silva AF, Anicai L, Enachescu M, Pereira CM. Characterization of Carbon Nanomaterials Dispersions: Can Metal Decoration of MWCNTs Improve Their Physicochemical Properties?. Nanomaterials (Basel). 2021 Dec 29;12(1). doi: 10.3390/nano12010099. PMID: 35010051; PMCID: PMC8746781.
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Nanomaterials (Basel). 2021 Dec 29;12(1). doi: 10.3390/nano12010099.

Characterization of Carbon Nanomaterials Dispersions: Can Metal Decoration of MWCNTs Improve Their Physicochemical Properties?.

Nanomaterials (Basel, Switzerland)

Ana T S C Brandão, Sabrina Rosoiu, Renata Costa, A Fernando Silva, Liana Anicai, Marius Enachescu, Carlos M Pereira

Affiliations

  1. CIQUP-Physical Analytical Chemistry and Electrochemistry Group, Departamento de Química e Bioquimica, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre, 687, 4169007 Porto, Portugal.
  2. Center for Surface Science and Nanotechnology, University Polytechnica of Bucharest, Splaiul Independentei, 313, 060042 Bucharest, Romania.
  3. OLV Development SRL, Brasoveni 3, 023613 Bucharest, Romania.
  4. Academy of Romanian Scientists, Splaiul Independentei 54, 050094 Bucharest, Romania.

PMID: 35010051 PMCID: PMC8746781 DOI: 10.3390/nano12010099

Abstract

A suitable dispersion of carbon materials (e.g., carbon nanotubes (CNTs)) in an appropriate dispersant media, is a prerequisite for many technological applications (e.g., additive purposes, functionalization, mechanical reinforced materials for electrolytes and electrodes for energy storage applications, etc.). Deep eutectic solvents (DES) have been considered as a promising "green" alternative, providing a versatile replacement to volatile organic solvents due to their unique physical-chemical properties, being recognized as low-volatility fluids with great dispersant ability. The present work aims to contribute to appraise the effect of the presence of MWCNTs and Ag-functionalized MWCNTs on the physicochemical properties (viscosity, density, conductivity, surface tension and refractive index) of glyceline (choline chloride and glycerol, 1:2), a Type III DES. To benefit from possible synergetic effects, AgMWCNTs were prepared through pulse reverse electrodeposition of Ag nanoparticles into MWCNTs. Pristine MWCNTs were used as reference material and water as reference dispersant media for comparison purposes. The effect of temperature (20 to 60 °C) and concentration on the physicochemical properties of the carbon dispersions (0.2-1.0 mg cm

Keywords: activation energy; carbon nanotube; deep eutectic solvent; ionic conductivity; silver nanoparticles; surface tension; viscosity

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