Aging effect of plasma-treated carbon surfaces: An overlooked phenomenon

Mendez-Linan, Jose I.; Ortiz-Ortega, E.; Moreno, Martín Francisco Jiménez; Palma, Maria Isabel Mendivil; Martínez‐Guerra, Eduardo; Aguirre-Tostado, F. S.; Martínez-Chapa, Sergio O.; Hosseini, Samira; Madou, Marc

doi:10.1016/j.carbon.2020.06.085

Cited by 44 publications

(27 citation statements)

References 69 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Moreover, deconvolution of the high-resolution XPS spectra of C 1s ( Figure S1b,c ) indicates that the peak area ratios for C–O (hydroxyl and epoxy groups) at 285.8 eV, C=O (carbonyl group) at 286.7 eV, and O—C=O (carboxyl groups) at 289.2 eV increased after oxygen plasma treatment. 33 , 34 These results further confirm the surface functionalization of the polymer with oxygen-containing groups through oxygen plasma exposure.…”

Section: Resultssupporting

confidence: 70%

See 1 more Smart Citation

Stereolithography-Derived Three-Dimensional Pyrolytic Carbon/Mn₃O₄ Nanostructures for Free-Standing Hybrid Supercapacitor Electrodes

Rezaei

Hansen

Keller

2021

ACS Appl. Nano Mater.

View full text Add to dashboard Cite

The development of permeable three-dimensional (3D) macroporous carbon architectures loaded with active pseudocapacitive nanomaterials offers hybrid supercapacitor (SC) materials with higher energy density, shortened diffusion length for ions, and higher charge–discharge rate capability and thereby is highly relevant for electrical energy storage (EES). Herein, structurally complex and tailorable 3D pyrolytic carbon/Mn 3 O 4 hybrid SC electrode materials are synthesized through the self-assembly of MnO 2 nanoflakes and nanoflowers onto the surface of stereolithography 3D-printed architectures via a facile wet chemical deposition route, followed by a single thermal treatment. Thermal annealing of the MnO 2 nanostructures concurrent with carbonization of the polymer precursor leads to the formation of a 3D hybrid SC electrode material with unique structural integrity and uniformity. The microstructural and chemical characterization of the hybrid electrode reveals the predominant formation of crystalline hausmannite-Mn 3 O 4 after the pyrolysis/annealing process, which is a favorable pseudocapacitive material for EES. With the combination of the 3D free-standing carbon architecture and self-assembled binder-free Mn 3 O 4 nanostructures, electrochemical capacitive charge storage with very good rate capability, gravimetric and areal capacitances (186 F g –1 and 968 mF cm –2 , respectively), and a long lifespan (>92% after 5000 cycles) is demonstrated. It is worth noting that the gravimetric capacitance value is obtained by considering the full mass of the electrode including the carbon current collector. When only the mass of the pseudocapacitive nanomaterial is considered, a capacitance value of 457 F g –1 is achieved, which is comparable to state-of-the-art Mn 3 O 4 -based SC electrode materials.

show abstract

Section: Resultssupporting

confidence: 70%

“…Deconvolution of the O 1s peak ( Figure 4 d) reveals different states of oxygen atoms that chemically bond with carbon and manganese on the surface. 33 …”

Section: Resultsmentioning

confidence: 99%

Stereolithography-Derived Three-Dimensional Pyrolytic Carbon/Mn₃O₄ Nanostructures for Free-Standing Hybrid Supercapacitor Electrodes

Rezaei

Hansen

Keller

2021

ACS Appl. Nano Mater.

View full text Add to dashboard Cite

show abstract

“…Plasma first attacks the CM surface aiming at the π bonds/C═C bonds on the carbon surface. [29,[92][93][94] As a result, a highly energized surface is created. It should be pointed out that, although many kinds of free-radicals exist in LTP, most of them are in a ground state.…”

Section: Plasma Classificationmentioning

confidence: 99%

An overview of low‐temperature plasma surface modification of carbon materials for removal of pollutants from liquid and gas phases

Huang

et al. 2020

Plasma Processes & Polymers

View full text Add to dashboard Cite

As a promising surface treatment technique, low‐temperature plasma (LTP) technology has been widely used over the past two decades. Herein, the surface modification of carbon materials using LTP treatment is reviewed to clarify the modification effects. First, the basic details of LTP treatment are summarized. Second, the surface morphology, pore structure, surface chemistry, adsorption performance, and catalytic characteristics of LTP‐treated carbon materials are reviewed. Finally, the research required to further develop LTP technology for the surface modification of carbon materials is discussed. This review will contribute toward advancing the application of LTP‐treated carbon materials in environmental pollution control.

show abstract

“…Cold plasma processing is a low-cost, highly effective, and green technology widely used for modification of the surface properties of materials. It is gaining popularity in the fields of biomaterials, adsorbents, polymers, electrodes, and others [ 12 , 13 , 14 ]. Depending on the application, plasma treatment is used to clean, coat/deposit, or functionalize the surface [ 14 ].…”

Section: Introductionmentioning

confidence: 99%

Functionalization of Graphite with Oxidative Plasma

Stelmachowski

Maj

Grzybek

et al. 2022

IJMS

View full text Add to dashboard Cite

Surface-modified graphite is studied as an electrode material, an adsorbent, and a membrane component, among other applications. Modifying the graphite with plasma can be used to create relevant surface functionalities, in particular, various oxygen groups. The application of surface-oxidized graphite often requires its use in an aqueous environment. The application in an aqueous environment is not an issue for acid-oxidized carbons, but a discrepancy in the structure–activity relationship may arise because plasma-oxidized carbons show a time-dependent decrease in the degree of functionalization and related properties. Moreover, plasma-oxidized materials are often characterized in terms of their chemical and physical properties, most notably their degree of functionalization after plasma treatment, without contact with water. In this study, we used low-temperature plasma oxidation with pure oxygen and carbon dioxide and sample-washing with concentrated nitric and sulfuric acids. To evaluate the electronic properties of modified graphite, the work function changes and surface oxygen content were measured just after plasma modification and after water immersion. We show that water immersion drastically decreases the work function of plasma-treated samples, which is accompanied by a decrease in the number of radicals introduced by plasma. Our results demonstrate that the increase in stable work function as a result of plasma treatment, brought about by an increase in the surface oxygen species concentration, can be realized most effectively for the acid-washed graphite.

show abstract

Aging effect of plasma-treated carbon surfaces: An overlooked phenomenon

Cited by 44 publications

References 69 publications

Stereolithography-Derived Three-Dimensional Pyrolytic Carbon/Mn₃O₄ Nanostructures for Free-Standing Hybrid Supercapacitor Electrodes

Stereolithography-Derived Three-Dimensional Pyrolytic Carbon/Mn₃O₄ Nanostructures for Free-Standing Hybrid Supercapacitor Electrodes

An overview of low‐temperature plasma surface modification of carbon materials for removal of pollutants from liquid and gas phases

Functionalization of Graphite with Oxidative Plasma

Contact Info

Product

Resources

About

Aging effect of plasma-treated carbon surfaces: An overlooked phenomenon

Cited by 44 publications

References 69 publications

Stereolithography-Derived Three-Dimensional Pyrolytic Carbon/Mn3O4 Nanostructures for Free-Standing Hybrid Supercapacitor Electrodes

Stereolithography-Derived Three-Dimensional Pyrolytic Carbon/Mn3O4 Nanostructures for Free-Standing Hybrid Supercapacitor Electrodes

An overview of low‐temperature plasma surface modification of carbon materials for removal of pollutants from liquid and gas phases

Functionalization of Graphite with Oxidative Plasma

Contact Info

Product

Resources

About

Stereolithography-Derived Three-Dimensional Pyrolytic Carbon/Mn₃O₄ Nanostructures for Free-Standing Hybrid Supercapacitor Electrodes

Stereolithography-Derived Three-Dimensional Pyrolytic Carbon/Mn₃O₄ Nanostructures for Free-Standing Hybrid Supercapacitor Electrodes