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Journal articles on the topic 'Doped activated carbon'

Author: Grafiati

Published: 8 June 2024

Last updated: 31 July 2025

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1

Villalgordo-Hernández, David, Aida Grau-Atienza, Antonio A. García-Marín, Enrique V. Ramos-Fernández, and Javier Narciso. "Manufacture of Carbon Materials with High Nitrogen Content." Materials 15, no. 7 (2022): 2415. http://dx.doi.org/10.3390/ma15072415.

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Nowadays one of the biggest challenges for carbon materials is their use in CO2 capture and their use as electrocatalysts in the oxygen reduction reaction (ORR). In both cases, it is necessary to dope the carbon with nitrogen species. Conventional methods to prepare nitrogen doped carbons such as melamine carbonization or NH3 treatment generate nitrogen doped carbons with insufficient nitrogen content. In the present research, a series of activated carbons derived from MOFs (ZIF-8, ZIF-67) are presented. Activated carbons have been prepared in a single step, by pyrolysis of the MOF in an inert

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2

Volperts, Aleksandrs, Ance Plavniece, Kätlin Kaare, Galina Dobele, Aivars Zhurinsh, and Ivar Kruusenberg. "Influence of Chemical Activation Temperatures on Nitrogen-Doped Carbon Material Structure, Pore Size Distribution and Oxygen Reduction Reaction Activity." Catalysts 11, no. 12 (2021): 1460. http://dx.doi.org/10.3390/catal11121460.

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The goal of this research was to synthesize activated nitrogen-doped nanocarbons with high specific surface area and adjustable pore size distribution using wood charcoal as a raw material. The resulting carbon materials were tested for possible application as oxygen reduction reaction catalysts in alkaline media. Activated carbons were obtained using a thermochemical activation method with NaOH. Nitrogen was introduced into activated carbons using dicyandiamide solution. It was demonstrated that the content of introduced nitrogen depends on oxygen content in the structure of the activated car

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3

Trihutomo, Prihanto, Poppy Puspitasari, Muhammad Bustomi Radja, and Milzam Rahmat Busono. "Synthesis and Characterization of Nitrogen-Doped Activated Carbon for Lithium Battery Anode Applications." Journal of Mechanical Engineering Science and Technology (JMEST) 7, no. 1 (2023): 20. http://dx.doi.org/10.17977/um016v7i12023p020.

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Nitrogen-dopped activated carbon was synthesized to see its effect on the characterization of the nitrogen surface functional groups, crystal size, and morphology of the resulting sample. Synthesis of nitrogen-doped activated carbon was carried out by varying the addition of Urea as a nitrogen doping source. Activated carbon compared its characteristics with variations in the concentration of added Urea to activated carbon, at 1:3 and 1:5. The FTIR results obtained were the presence of functional groups indicating the presence of nitrogen bonds in each sample. The crystallinity results showed

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4

Li, Yue, Tong-Xin Shang, Jian-Min Gao, and Xiao-Juan Jin. "Nitrogen-doped activated carbon/graphene composites as high-performance supercapacitor electrodes." RSC Advances 7, no. 31 (2017): 19098–105. http://dx.doi.org/10.1039/c7ra00132k.

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Nitrogen-doped activated carbon/reduced graphene oxide composites are prepared by pre-carbonization of the precursors (mixture of graphene oxide and nitrogen-doped activated carbons) and KOH activation of the pyrolysis products.

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5

Xie, Yao, Zhen Chen, Yulong Wu, Mingde Yang, Liqiao Wei, and Husheng Hu. "Activated sintering of activated carbon-doped magnesia." Ceramics International 40, no. 10 (2014): 16543–47. http://dx.doi.org/10.1016/j.ceramint.2014.08.008.

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6

Plavniece, Ance, Aivars Zhurinsh, Galina Dobele, and Aleksandrs Volperts. "Impact of Biomass Derived Raw Material on Nitrogen Doped Porous Carbon Structure." Key Engineering Materials 762 (February 2018): 99–103. http://dx.doi.org/10.4028/www.scientific.net/kem.762.99.

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Carbon compounds with large surface area can be used as electrocatalytic cathodes for fuel cells. Nitrogen atoms largely determine the properties of doped activated carbon, such as hardness, wear resistance, electrical resistance etc., and therefore there is a need for new scientific information on the properties and structure of modified carbon matrix. Wood char and activated carbons based on wood char, cellulose, black liquor, and fine cellulose sludge were obtained in different activation conditions and doped with dicyandiamide. The obtained N-doped carbon materials porous structures were c

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7

Frilund, Christian, Ilkka Hiltunen, and Pekka Simell. "Activated Carbons for Syngas Desulfurization: Evaluating Approaches for Enhancing Low-Temperature H2S Oxidation Rate." ChemEngineering 5, no. 2 (2021): 23. http://dx.doi.org/10.3390/chemengineering5020023.

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Its relatively low cost and high surface area makes activated carbon an ideal adsorbent candidate for H2S removal. However, physical adsorption of H2S is not very effective; therefore, methods to facilitate reactive H2S oxidation on carbons are of interest. The performance of H2S removal of non-impregnated, impregnated, and doped activated carbon in low-temperature syngas was evaluated in fixed-bed breakthrough tests. The importance of oxygen content and relative humidity was established for reactive H2S removal. Impregnates especially improved the adsorption rate compared to non-impregnated c

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8

Kamedulski, Piotr, Malgorzata Skorupska, Izabela Koter, Maciej Lewandowski, Víctor Karim Abdelkader-Fernández, and Jerzy P. Lukaszewicz. "Obtaining N-Enriched Mesoporous Carbon-Based by Means of Gamma Radiation." Nanomaterials 12, no. 18 (2022): 3156. http://dx.doi.org/10.3390/nano12183156.

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In this paper, we present the results of the gamma irradiation method to obtain N-doped mesoporous activated carbons. Nitrogen-enriched mesoporous carbons were prepared from three chosen commercial activated carbons such as Carbon Black OMCARB C-140, KETJENBLACK EC-600JD and PK 1-3 Norit. HRTEM, SEM, Raman spectra, elemental analysis, XPS studies and widely approved N2 adsorption–desorption measurements allowed us to evaluate the effectiveness of N atom insertion and its influence on the BET surface area and the pore structure of modified carbons. The obtained materials have an exceptionally h

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9

Reljic, Snezana, Manuel Martinez-Escandell, and Joaquin Silvestre-Albero. "Effect of Porosity and Surface Chemistry on CO2 and CH4 Adsorption in S-Doped and S-/O-co-Doped Porous Carbons." C 8, no. 3 (2022): 41. http://dx.doi.org/10.3390/c8030041.

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The aim of this study was to determine the adsorption performance of a petroleum pitch-based activated carbon (PPAC1:3) before and after a post-treatment with H2S. In the first step, a microporous activated carbon (PPAC1:3) with a highly developed porous structure was produced through a chemical activation route with KOH. Afterward, the synthesized activated carbon was thermally treated yielding two different series of functionalized activated carbons: (i) a series of carbons were treated directly with H2S at elevated temperatures (600 °C and 800 °C), and (ii) a series of carbons were generate

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10

Revathi, A., and P. N. Palanisamy. "Kinetics, isotherm and thermodynamic studies on the adsorption of methylene blue dye by iron doped activated carbon." Digest Journal of Nanomaterials and Biostructures 17, no. 2 (2022): 431–41. http://dx.doi.org/10.15251/djnb.2022.172.431.

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The present study details the synthesis and characterisation of iron (Fe) doped activated carbon from Alstonia Scholaris (AS-Fe) natural wood waste. Investigation addresses the utilization of natural wood waste for useful and potential high temperature Alstonia Scholaris activated carbon (HT-AS). Iron doped activated carbon (AS-Fe) is used for the treatment of industrial waste water. Activated carbon and utilization performances are well attributed to the preparation methods and hence a range of characteristic interpretation like Fourier transform spectroscopy (FTIR), X-Ray powder diffraction,

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11

Ob-eye, Jeerati, Piyasan Praserthdam, and Bunjerd Jongsomjit. "Dehydrogenation of Ethanol to Acetaldehyde over Different Metals Supported on Carbon Catalysts." Catalysts 9, no. 1 (2019): 66. http://dx.doi.org/10.3390/catal9010066.

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Recently, the interest in ethanol production from renewable natural sources in Thailand has been receiving much attention as an alternative form of energy. The low-cost accessibility of ethanol has been seen as an interesting topic, leading to the extensive study of the formation of distinct chemicals, such as ethylene, diethyl ether, acetaldehyde, and ethyl acetate, starting from ethanol as a raw material. In this paper, ethanol dehydrogenation to acetaldehyde in a one-step reaction was investigated by using commercial activated carbon with four different metal-doped catalysts. The reaction w

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12

Sutarsis, Sutarsis, Syarief Hidayatullah, Agung Purniawan, Yusuf Pradesar, and Jennita Halim. "Electrochemical Performances of PtCrCo Alloy/Nitrogen-Doped Activated Carbon for Proton Exchange Membrane Fuel Cell Catalyst." Materials Science Forum 1109 (December 14, 2023): 87–95. http://dx.doi.org/10.4028/p-n9oaoe.

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Proton Exchange Membrane Fuel Cell is a promising green energy conversion machine. However, some drawbacks, such as Pt corrosion on the cathode side, the high price of Pt, Nafion membrane, and the need for the high precision assembly process, limit their commercialization. In this study, PtCrCo alloy which is supported by nitrogen-doped activated carbon was synthesized by facile method to increase electrochemical performance as a cathode catalyst and reduce Pt catalyst usage. Nitrogen-doped Activated Carbon/PtCrCo/Nitrogen-doped Carbon (NAC/PtCrCo/N) catalyst was investigated to analyze the ef

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13

Karakoç, Taylan, Housseinou Ba, Lai Truong Phuoc, Dominique Bégin, Cuong Pham-Huu, and Sergey N. Pronkin. "Ultramicroporous N-Doped Activated Carbon Materials for High Performance Supercapacitors." Batteries 9, no. 9 (2023): 436. http://dx.doi.org/10.3390/batteries9090436.

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Porous carbon electrode materials are utilized in supercapacitors with very fast charge/discharge and high stability upon cycling thanks to their electrostatic charge storage mechanism. Further enhancement of the performance of such materials can be achieved by doping them with heteroatoms which alter the kinetics of charge/discharge of the adsorbed species and result in pseudocapacitance phenomena. Here, microporous N-doped activated carbons were synthesized by thermochemical activation process. The structure and composition of the final material were adjusted by tuning the synthesis conditio

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14

Mirzaeian, Mojtaba, Qaisar Abbas, Michael R. C. Hunt, and Peter Hall. "Pseudocapacitive Effect of Carbons Doped with Different Functional Groups as Electrode Materials for Electrochemical Capacitors." Energies 13, no. 21 (2020): 5577. http://dx.doi.org/10.3390/en13215577.

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In this study, RF-based un-doped and nitrogen-doped aerogels were produced by polymerisation reaction between resorcinol and formaldehyde with sodium carbonate as catalyst and melamine as the nitrogen source. Carbon/activated carbon aerogels were obtained by carbonisation of the gels under inert atmosphere (Ar) followed by activation of the carbons under CO2 at 800 °C. The BET analysis of the samples showed a more than two-fold increase in the specific Surf. area and pore volume of carbon from 537 to 1333 m2g−1 and 0.242 to 0.671 cm3g−1 respectively after nitrogen doping and activation. SEM an

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15

Merkel, A., A. Satayeva, F. Cannon, et al. "Characterisation of Activated Carbons Obtained from Rice Husk." Eurasian Chemico-Technological Journal 18, no. 4 (2017): 299. http://dx.doi.org/10.18321/ectj472.

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Rice husk derived activated carbons doped with nitrogen have been studied using low temperature nitrogen adsorption, scanning electron microscopy, mercury porosimetry, thermogravimetric analysis combined with mass-spectrometry, differential scanning calorimetry and X-ray photoelectron spectroscopy. It has been shown that N-doped activated carbon produced by high temperature treatment of the starting material soaked with urea, has a significantly higher anion exchange capacity than the other samples studied, which correlates with its higher adsorption capacity towards nitrate ion removal from a

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16

Yan, Bo, Lin Huan Zhang, Wei Jiang, and An Xi Jiang. "Research Progress on Producing Sludge Activated Carbon Doped with Ce." Advanced Materials Research 610-613 (December 2012): 1565–68. http://dx.doi.org/10.4028/www.scientific.net/amr.610-613.1565.

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This paper introduces the preparation and activation methods of sludge activated carbons, including physical activation,chemical activation,chemicophysical activation,catalytic activation,etc. Among these methods,catalytic activation has better application prospect as it owns many advantages.The applications of rare-earth element Ce in TiO2 photocatalysis modification and flue gas desulfurization are described. At the end of the paper , the current research situation and application prospect of sludge activated carbon doped with Ce are discussed.

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17

SONIA, T. S., P. A. MINI, R. NANDHINI, et al. "Composite supercapacitor electrodes made of activated carbon/PEDOT:PSS and activated carbon/doped PEDOT." Bulletin of Materials Science 36, no. 4 (2013): 547–51. http://dx.doi.org/10.1007/s12034-013-0509-5.

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18

Hou, Lijun, Jinli Zhang, Yanfeng Pu, and Wei Li. "Effects of nitrogen-dopants on Ru-supported catalysts for acetylene hydrochlorination." RSC Advances 6, no. 22 (2016): 18026–32. http://dx.doi.org/10.1039/c5ra23112d.

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A series of N-doped spherical active carbons were synthesizedviathe pyrolysis of melamine in activated carbon, and used as a support to prepare Ru-based catalysts for an acetylene hydrochlorination reaction.

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19

Rossetti, Ilenia, Gianguido Ramis, Alessandro Gallo, and Alessandro Di Michele. "Hydrogen storage over metal-doped activated carbon." International Journal of Hydrogen Energy 40, no. 24 (2015): 7609–16. http://dx.doi.org/10.1016/j.ijhydene.2015.04.064.

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20

E., Sindhuja. "Studies on synthesis, characterization and photocatalytic activity of activated charcoal doped chitosan (AC-CS)." Journal of Biodiversity and Environmental Sciences (JBES) 22, no. 5 (2023): 134–42. https://doi.org/10.5281/zenodo.10516383.

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In this study, activated charcoal doped chitosan (AC-CS) was effectively synthesized, and the material was then examined using XRD, FTIR, SEM-EDX, and UV. Results demonstrate that activated charcoal doped chitosan (AC-CS) has a characteristic binding crystalline structure with an average size of 50nm and aggregates of minute fibres in diverse sizes and shapes. Chitosan doped with activated charcoal exhibits UV absorption bands with maximal wavelengths at 308nm. To evaluate the photocatalytic performance of the activated charcoal doped chitosan (AC-CS), Malachite Green dye degradation was utili

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21

Bejjanki, Dinesh, Praveen Banothu, Vijay Bhooshan Kumar, and Puttapati Sampath Kumar. "Biomass-Derived N-Doped Activated Carbon from Eucalyptus Leaves as an Efficient Supercapacitor Electrode Material." C 9, no. 1 (2023): 24. http://dx.doi.org/10.3390/c9010024.

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Biomass-derived activated carbon is one of the promising electrode materials in supercapacitor applications. In this work bio-waste (oil extracted from eucalyptus leaves) was used as a carbon precursor to synthesize carbon material with ZnCl2 as a chemical activating agent and activated carbon was synthesized at various temperatures ranging from 400 to 800 °C. The activated carbon at 700 °C showed a surface area of 1027 m2 g−1 and a specific capacitance of 196 F g−1. In order to enhance the performance, activated carbon was doped with nitrogen-rich urea at a temperature of 700 °C. The obtained

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22

Ai, Tao, Zhe Wang, Haoran Zhang, Fenghua Hong, Xin Yan, and Xinhua Su. "Novel Synthesis of Nitrogen-Containing Bio-Phenol Resin and Its Molten Salt Activation of Porous Carbon for Supercapacitor Electrode." Materials 12, no. 12 (2019): 1986. http://dx.doi.org/10.3390/ma12121986.

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Nitrogen hybridization is an attractive way to enhance the wettability and electric conductivity of porous carbon, which increases the capacitance of carbon-based supercapacitor, however, there is lack of low-cost methods to prepare the nitrogen-doped porous carbon materials. Herein, a novel facile nitrogen-containing bio-phenolic resin was synthesized by polymerization of the carbamate bio-oil, Phenol and paraformaldehyde. As a precursor of nitrogen-doped porous carbon, the nitrogen-containing bio-phenol resin was activated by the one-step molten-salt method. The resultant nitrogen-doped poro

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23

Joia, Reza, Meiram Atamanov, Kuanysh Umbetkaliev, Mohammad Hamid Mohammadi, Sayed Reza Sarwari, and Taibullah Modaqeq. "Exploring the versatile production techniques and applications of nitrogen-doped activated carbon." Thermal Science and Engineering 7, no. 1 (2024): 5842. http://dx.doi.org/10.24294/tse.v7i1.5842.

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Carbon based materials are really an integral component of our lives and widespread research regarding their properties was conducted along this process. The addition of dopants to carbon materials, either during the production process or later on, has been actively investigated by researchers all over the world who are looking into how doping can enhance the performance of materials and how to overcome the current difficulties. This study explores synthesis methods for nitrogen-doped carbon materials, focusing on advancements in adsorption of different pollutants like CO2 from air and organic

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24

Ya’aini, Nazlina, Arjun Pillay A/L Gopala Krishnan, and Adnan Ripin. "Synthesis of activated carbon doped with transition metals for hydrogen storage." E3S Web of Conferences 90 (2019): 01016. http://dx.doi.org/10.1051/e3sconf/20199001016.

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Carbon materials with high porosity and surface area such as activated carbons with a combination of metal possess great materials to obtain maximum hydrogen adsorption via the hydrogen spillover effect. The properties of activated carbon doped with metals (copper, nickel and palladium) were studied to evaluate the capacity of hydrogen sorption on the materials. Characteristics of the activated carbon doped with copper (AC-Cu), nickel (AC-Ni) and palladium (AC-Pd) were evaluated using particle density test, Fourier transform infrared spectroscopy (FTIR), x-ray diffraction (XRD) and surface and

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25

Morales-Torres, Sergio, Agustín F. Pérez-Cadenas, and Francisco Carrasco-Marín. "Element-Doped Functional Carbon-Based Materials." Materials 13, no. 2 (2020): 333. http://dx.doi.org/10.3390/ma13020333.

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Carbon materials are one of the most fascinating materials because of their unique properties and potential use in several applications. They can be obtained from agricultural waste, organic polymers, or by using advanced synthesizing technologies. The carbon family is very wide, it includes classical activated carbons to more advanced types like carbon gels, graphene, and so on. The surface chemistry of these materials is one of the most interesting aspects to be studied. The incorporation of different types of chemical functionalities and/or heteroatoms such as O, N, B, S, or P on the carbon

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26

Qin, Hangdao, Rong Xiao, Lei Guo, Jianling Meng, and Jing Chen. "Mercury (II) adsorption from aqueous solution using nitrogen and sulfur co-doped activated carbon." Water Science and Technology 2017, no. 1 (2018): 310–18. http://dx.doi.org/10.2166/wst.2018.117.

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Abstract Activated carbon (AC) was modified with urea, thioglycolic acid and thiourea to obtain nitrogen doped activated carbon (ACN), sulfur doped activated carbon (ACS) and nitrogen and sulfur co-doped activated carbon (ACNS), respectively. The AC samples were characterized by elemental analysis, N2 adsorption-desorption, determination of the pH of the point of zero charge (pHpzc) and X-ray photoelectron spectroscopy, and tested for adsorption behaviors of Hg(II) ions. The experimental data of equilibrium isotherms fitted well with the Langmuir model. ACNS showed the highest adsorption capac

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27

Hoffmann, Viola, Catalina Rodriguez Correa, Saskia Sachs, et al. "Activated Carbon from Corncobs Doped with RuO2 as Biobased Electrode Material." Electronic Materials 2, no. 3 (2021): 324–43. http://dx.doi.org/10.3390/electronicmat2030023.

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Bio-based activated carbons with very high specific surface area of >3.000 m² g−1 (based on CO2 adsorption isotherms) and a high proportion of micropores (87% of total SSA) are produced by corncobs via pyrolysis and chemical activation with KOH. The activated carbon is further doped with different proportions of the highly pseudocapacitive transition metal oxide RuO2 to obtain enhanced electrochemical properties and tune the materials for the application in electrochemical double-layer capacitors (EDLC) (supercapacitors). The activated carbon and composites are extensively studied regarding

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28

CHANTHEE, Songwuit, Jenjira JIRASANGTHONG, Channarong ASASVATESANUPAP, and Malee SANTIKUNAPORN. "Synthesis and antimicrobial studies of nano-copper doped carbon substrates; activated carbon, reduced graphene oxide, and carbon nanofiber." Journal of Metals, Materials and Minerals 32, no. 3 (2022): 68–74. http://dx.doi.org/10.55713/jmmm.v32i3.1270.

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Copper oxides (CuxO) have received considerable attention as a result of their biological activity. Nanoparticles (NPs) of CuxO attached to different substrates exhibit a wide spectrum of antimicrobial activity against bacteria and viruses, with similar properties to silver. The antimicrobial activity of CuxO-NPs doped on distinctive carbon materials was investigated for three carbon substrates: apricot stone activated carbon (AAC), reduced graphene oxide (rGO) and carbon nanofiber (CNF). The CuxO-NPs (5 wt%) doped AAC and rGO substrates were prepared by impregnation of copper nitrate followed

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29

Shamsuddin, Mohd Shafiq, Muhammad Azwadi Sulaiman, Nik Raihan Nik Yusoff, Mahani Yusoff, and Noor Syuhadah Subki. "Morphology of CuO-Doped Activated Carbon from Kenaf Core Fiber." Solid State Phenomena 264 (September 2017): 169–72. http://dx.doi.org/10.4028/www.scientific.net/ssp.264.169.

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Mechanochemical process was conducted to synthesis a series of metal oxide doped biomass carbon source followed by carbothermal reduction which obtained via the reaction between activated carbon (AC) and CuO precursor. Microstructure of single AC and CuO-doped activated carbon was conducted using Field Emission Scanning Electron Microscopy (FESEM). Thermal behavior was studied using thermogravimetric analyser and Differential Scanning Calorimetry (TGA and DSC) and crystallinity phase was analysed using X-ray diffraction (XRD). The results indicated that mechanochemical process and carbothermal

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30

Li, Bing, Fang Dai, Qiangfeng Xiao, et al. "Nitrogen-doped activated carbon for a high energy hybrid supercapacitor." Energy & Environmental Science 9, no. 1 (2016): 102–6. http://dx.doi.org/10.1039/c5ee03149d.

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The present work provides a novel one-step synthesis for nitrogen-doped activated carbon. The excellent performance of the N-doped AC allows its further application in a hybrid-type supercapacitor, which utilizes a combination of the capacitor electrode and a Li-ion battery anode.

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Pratheep, C., K. Ramesh, M. Kiruthiga, M. Saravanan, M. Sugirtha, and K. Suridha. "Preparation of Tectona grandis Leaves derived Activated Carbon for High-Performance Supercapacitor Application." Asian Journal of Chemistry 36, no. 11 (2024): 2659–65. http://dx.doi.org/10.14233/ajchem.2024.32686.

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In energy-based applications, biomass porous micro/nanostructures activated carbon materials are the significant candidates, because of their high specific surface area, superior electrical conductivity, affordability and environmental friendliness. In this work, the activated carbon was prepared from Tectona grandis leaves as a biomass, and thus activated by 25% K2CO3 solution. The prepared carbon was designated as TGLAC. Second carbon was prepared from TGLAC was doped with urea and named as N-doped TGLAC. The physico-chemical analytical methods were employed to access the phase structure, bo

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S. Yuvaraj, V. Sampathkumar, S. Manoj, S. Esakkiraj, M. Sudhan Prabhakaran, and S. Yuvaraj. "Innovative Utilization of Wet Blue Leather Waste to Nitrogen-doped Activated Carbon for High-performance Supercapacitors." Journal of Environmental Nanotechnology 14, no. 1 (2025): 30–36. https://doi.org/10.13074/jent.2025.03.2511238.

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With the growing need for sustainable energy storage solutions, this study explores a new way to create eco-friendly, cost-effective materials for supercapacitors. We focused on wet blue leather, a by-product of the leather tanning industry, and turned it into nitrogen-doped activated carbon for use in supercapacitors. The process involved first carbonizing the leather scraps at 800 ℃, then activating the carbon with sulfuric acid and doping it with nitrogen using ammonia from urea. To evaluate the performance of the material, we used several characterization methods, including scanning electr

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33

TETIK, GAMZE D., RAGIPHAN OZTURAN, and MURAT ERCAN. "Methylene blue removal capabilities of activated carbon doped nanofibres." Industria Textila 76, no. 02 (2025): 265–74. https://doi.org/10.35530/it.076.02.202457.

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The importance of adsorbents in wastewater treatment is related to their pollutant removal efficiency. The performance in the treatment process depends on the surface area, morphology, and chemical structure of the adsorbents. Since these properties can be controlled in both nanofibres and activated carbon, activated carbon (AC) doped nanofibres were used to remove methylene blue (MB) from the aqueous medium in this study. For this purpose, AC was synthesized from human hair by chemical activation and characterized. By this means, AC possessing 561 m 2 /g Brunauer-Emmet-Teller (BET) surface ar

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Dudek, Kamil, Konrad Wojtaszek, and Piotr Żabiński. "Ni-Doped Activated Carbon from Invasive Plants as a Potential Catalyst." Metals 14, no. 7 (2024): 790. http://dx.doi.org/10.3390/met14070790.

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In this study we synthesized and characterized Ni/AC (Activated Carbon) systems. AC was obtained through pyrolysis of golden rod’s dried biomass. Ni nanoparticles were deposited on AC’s surface using a wet impregnation method from a nickel nitrate solution. SEM, MP-AES and DSC-TGA techniques were used for surficial and structural characterization, while ash content was made to check mineral ingredients input. The DSC-TGA study revealed that all carbons show good thermal stability up to 900 °C, which is far above operating temperatures in the methanation process. For all three carbons the BET i

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35

Ren, Ruquan, Yan Zhong, Xueyong Ren, and Yongming Fan. "Chitosan-based oxygen-doped activated carbon/graphene composite for flexible supercapacitors." RSC Advances 12, no. 39 (2022): 25807–14. http://dx.doi.org/10.1039/d2ra03949d.

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R. Joia and M. Atamanov. "N-DOPED ACTIVATED CARBON OBTAINED FROM PLANT WASTE BY DIFFERENT PRODUCTION METHODS FOR ADSORPTION OF CO2." Bulletin of Toraighyrov University. Chemistry & Biology series, no. 1,2024 (March 29, 2024): 52–63. http://dx.doi.org/10.48081/ptmq2993.

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The pressing need to reduce CO2 emissions and combat climate change has spurred a global commitment towards achieving carbon neutrality. While transitioning to renewable energy is pivotal, the limitations in renewable energy production highlight the necessity for alternative approaches. The focus on capturing and sequestering CO2 has led to the exploration of porous solids, including zeolites, metal-organic frameworks (MOFs), porous organic polymers (POPs), and porous carbons. Porous carbons, with their low cost, widespread availability, large surface area, and ease of design, have garnered at

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37

Jiménez, José A. "Luminescent tin-doped phosphate glasses activated by carbon." Materials Research Bulletin 88 (April 2017): 131–35. http://dx.doi.org/10.1016/j.materresbull.2016.12.031.

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KIM, Ho Jun, and Hae Kyung JEONG*. "Nitrogen-doped Activated Carbon and Its Electrochemical Properties." New Physics: Sae Mulli 65, no. 3 (2015): 287–90. http://dx.doi.org/10.3938/npsm.65.287.

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Yang, Cheol-Min, and Katsumi Kaneko. "Adsorption Properties of Iodine-Doped Activated Carbon Fiber." Journal of Colloid and Interface Science 246, no. 1 (2002): 34–39. http://dx.doi.org/10.1006/jcis.2001.8012.

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Mijailović, Daniel, Dušica Stojanović, and Petar Uskoković. "Nitrogen-doped activated carbon flowers in aqueous supercapacitors." Tehnika 80, no. 1 (2025): 23–27. https://doi.org/10.5937/tehnika2501023m.

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This study examined the capacitive properties of hierarchical porous carbon materials in the form of flowers, which were produced through optimized thermal treatment of synthesized particles of polyacrylonitrile (PAN) polymer. The results show that the materials retain their original morphological shape after carbonization and activation, along with a high specific surface area and a significant content of nitrogen functional groups. Thanks to these properties, the materials exhibit high specific capacitance up to 100 F g-1 in 6 M potassium hydroxide aqueous solution, and the ability for rapid

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Liu, Zi-Ang, Yuxi Tao, Xue-Zhi Song, Ming Bao, and Zhenquan Tan. "A three dimensional N-doped graphene/CNTs/AC hybrid material for high-performance supercapacitors." RSC Advances 7, no. 11 (2017): 6664–70. http://dx.doi.org/10.1039/c6ra27420j.

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Wang, Feng, Chen Hu, Jiali Lian, et al. "Phosphorus-doped activated carbon as a promising additive for high performance lead carbon batteries." RSC Advances 7, no. 7 (2017): 4174–78. http://dx.doi.org/10.1039/c6ra26093d.

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Remarkable inhibition of the hydrogen evolution reaction (HER) is demonstrated on phosphorus-doped activated carbon, which shows great potential as an additive to the negative electrodes of lead-carbon batteries and other electrochemical applications.

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Hu, Xiao Dong, Hua Deng, and Lin Du. "Preparation and Characterization of Fe³⁺ / TiO₂ Thin Films Loaded Activated Carbon and Degradation of Methyl Orange." Advanced Materials Research 332-334 (September 2011): 134–37. http://dx.doi.org/10.4028/www.scientific.net/amr.332-334.134.

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Sol - gel method and doped with Fe3+ modification techniques were used, prepared for high catalytic activity of iron-doped titanium dioxide nanoparticles,which loaded on the activated carbon for Degradation of Methyl Orange. Such as crystal structure, particle size, load morphology, chemical state and optical absorption characteristics of the doped titania nanoparticles were characterized by using XRD, SEM, and UV-Vis. Fe-TiO2 catalysts for visible light response and the catalytic degradation of methyl orange in water performance were studied. The results showed that: catalysts prepared were a

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Ruan, Chaohui, and Yibing Xie. "Electrochemical performance of activated carbon fiber with hydrogen bond-induced high sulfur/nitrogen doping." RSC Advances 10, no. 62 (2020): 37631–43. http://dx.doi.org/10.1039/d0ra06724e.

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Termoul, Mourad, Salima Attouti, Mokhtar Benzekri Benallou, et al. "Synthesis and characterization of ZnO/activated carbon nanocomposite for the removal of cationic dye from aqueous solutions." STUDIES IN ENGINEERING AND EXACT SCIENCES 5, no. 1 (2024): 3462–83. http://dx.doi.org/10.54021/seesv5n1-172.

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In this work, we focused on the modification and characterization of activated carbon supported by ZnO nanoparticles. Our study was based on the modification process involving the synthesis of two types of modified activated carbon using metallic nanoparticles, each following different protocols. Secondly, we concentrated on characterization methods such as the methylene blue index, the iodine value, the determination of the point of zero charge, infrared analysis, and the application of adsorption for methylene blue. The adsorbent with the highest iodine number has the largest specific surfac

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Lee, Ying-Feng, Kuo-Hsin Chang, Chi-Chang Hu, and Kuo-Min Lin. "Synthesis of activated carbon-surrounded and carbon-doped anatase TiO2 nanocomposites." Journal of Materials Chemistry 20, no. 27 (2010): 5682. http://dx.doi.org/10.1039/c0jm00286k.

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Chen, Lung-Chuan, Po-Yang Peng, Long-Full Lin, Thomas C. K. Yang, and Chao-Ming Huang. "Facile Preparation of Nitrogen-Doped Activated Carbon for Carbon Dioxide Adsorption." Aerosol and Air Quality Research 14, no. 3 (2014): 916–27. http://dx.doi.org/10.4209/aaqr.2013.03.0089.

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Lv, Kang, Hua Zhang, and Shuiliang Chen. "Nitrogen and phosphorus co-doped carbon modified activated carbon as an efficient oxygen reduction catalyst for microbial fuel cells." RSC Advances 8, no. 2 (2018): 848–55. http://dx.doi.org/10.1039/c7ra12907f.

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Nitrogen and phosphorus co-doped carbon modified activated carbon shows decreased ORR over-potential, thus enhanced ORR electrocatalytic activity in the air-cathode of microbial fuel cells compared to pristine AC.

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Wang, Lu Jing, Feng Yu Quan, Li Jia Che, and Yan Zhi Xia. "Preparation and Characterization of Activated Carbon/Viscose Fiber." Applied Mechanics and Materials 713-715 (January 2015): 2804–6. http://dx.doi.org/10.4028/www.scientific.net/amm.713-715.2804.

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Viscose fibers (VF) are widely used because of its good bio-compatibility and the adsorbent performance. In this paper, adsorbent fibers were obtained via wet spinning method with the mixed solution of activated carbon dispersion and viscose. The characterization of activated carbon/viscose fibers (ACVF) were evaluated by infrared spectroscopy (IR) scanning electron microscope (SEM) and Thermo gravimetric (TG). The results showed that activated carbon had already doped to the viscose. Benzene adsorbent performance research indicates that the adsorbent capacity of ACVFis better than VF.

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Azad, Farshid Nasiri, Mehrorang Ghaedi, Arash Asfaram, et al. "Optimization of the process parameters for the adsorption of ternary dyes by Ni doped FeO(OH)-NWs–AC using response surface methodology and an artificial neural network." RSC Advances 6, no. 24 (2016): 19768–79. http://dx.doi.org/10.1039/c5ra26036a.

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The present study deals with the simultaneous removal of chrysoidine G (CG), rhodamine B (RB) and disulfine blue (DB) by Ni doped ferric oxyhydroxide FeO(OH) nanowires on activated carbon (Ni doped FeO(OH)-NWs–AC).

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