SO₂ gas adsorption on carbon nanomaterials: a comparative study

• Deepu J. Babu,
• Divya Puthusseri,
• Frank G. Kühl,
• Sherif Okeil,
• Michael Bruns,
• Manfred Hampe and
• Jörg J. Schneider

Beilstein J. Nanotechnol. 2018, 9, 1782–1792, doi:10.3762/bjnano.9.169

• .9.169 Abstract Owing to their high stability against corrosive gases, carbon-based adsorbents are preferentially used for the adsorptive removal of SO2. In the present study, SO2 adsorption on different carbon nanomaterials namely carbon nanohorns (CNHs), multiwalled carbon nanotubes (MWNTs), single

• -walled carbon nanotubes (SWNTs) and vertically aligned carbon nanotubes (VACNTs) are investigated and compared against the adsorption characteristics of activated carbon and graphene oxide (GO). A comprehensive overview of the adsorption behavior of this family of carbon adsorbents is given for the first

• found to dominate the adsorption behavior in activated carbon, SO2 adsorption on carbon nanomaterials occurs by a physisorption mechanism. Keywords: adsorption; carbon nanohorns; carbon nanotubes; heat of adsorption; sulfur dioxide; vertically aligned carbon nanotubes; Introduction Compared to the

Toward the use of CVD-grown MoS₂ nanosheets as field-emission source

• Geetanjali Deokar,
• Nitul S. Rajput,
• Junjie Li,
• Francis Leonard Deepak,
• Wei Ou-Yang,
• Nicolas Reckinger,
• Carla Bittencourt,
• Jean-Francois Colomer and
• Mustapha Jouiad

Beilstein J. Nanotechnol. 2018, 9, 1686–1694, doi:10.3762/bjnano.9.160

• displays, X-ray sources and cold-cathode electron sources [2]. 1D and 2D materials such as carbon nanotubes [3], ZnO nanorods [1], LaB6 nanowires [2], SnS2 nanosheets (NSs) [4], vertically aligned graphene [5], WS2 nanotubes [6], MoSe2 nanosheets [7], and MoS2 NSs [8][9][10] are potential field-emitter

• layered nanomaterials. A similar effect has been observed previously in carbon nanotubes [33]. The emission current density versus time plot is shown in Figure 6b. An almost stable (fluctuations between 10 and 20 µA/cm2) emission over a period of 100 min without any measurable degradation can be seen. The

Nitrogen-doped carbon nanotubes coated with zinc oxide nanoparticles as sulfur encapsulator for high-performance lithium/sulfur batteries

• Yan Zhao,
• Zhengjun Liu,
• Liancheng Sun,
• Yongguang Zhang,
• Yuting Feng,
• Xin Wang,
• Indira Kurmanbayeva and
• Zhumabay Bakenov

Beilstein J. Nanotechnol. 2018, 9, 1677–1685, doi:10.3762/bjnano.9.159

• carbon nanotubes coated with zinc oxide nanoparticles (ZnO@NCNT) were prepared via a sol–gel route as sulfur encapsulator for lithium/sulfur (Li/S) batteries. The electrochemical properties of the S/ZnO@NCNT composite cathode were evaluated in Li/S batteries. It delivered an initial capacity of 1032

• ” or ”confine” the S atoms in the cathode, and, therefore, reduce any losses of S. As an excellent conductive agent, carbon-based materials, e.g., carbon black, graphene and carbon nanotubes (CNTs), have been widely used in Li/S composite cathode materials [3]. In addition, by doping with N and a

• this work, we synthesized nanocomposites of zinc oxide-coated nitrogen-doped carbon nanotubes with sulfur (S/ZnO@NCNT). ZnO was chosen because it is cheap, non-toxic and stable [14][15]. More importantly, ZnO demonstrates a strong affinity to polysulfides. In addition, NCNT was used due to its good

Photoluminescence of CdSe/ZnS quantum dots in nematic liquid crystals in electric fields

• Margarita A. Kurochkina,
• Elena A. Konshina and
• Daria Khmelevskaia

Beilstein J. Nanotechnol. 2018, 9, 1544–1549, doi:10.3762/bjnano.9.145

• fields. The control of the QD luminescence in an LC matrix has both scientific and practical interest. The photoluminescence (PL) of liquid crystals doped with silver NPs, carbon nanotubes and quantum semiconductor nanoparticles were discussed in [11][12]. The control of PL of a nematic liquid crystal

Cr(VI) remediation from aqueous environment through modified-TiO₂-mediated photocatalytic reduction

• Rashmi Acharya,
• Brundabana Naik and
• Kulamani Parida

Beilstein J. Nanotechnol. 2018, 9, 1448–1470, doi:10.3762/bjnano.9.137

• six sections. The optical and electrochemical characteristics of modified TiO2 photocatalysts are discussed in the first section. In the second section, we have reviewed how carbon-based advanced materials like reduced graphene oxide (RGO), carbon nanotubes (CNTs) and carbon dots (CDs) improve the

• (e.g., MFe2O4) results in a smaller arc radius of the Nyquist plot, as shown in Figure 6, and hence, better charge transport is observed [97]. Modification of TiO2 with carbon-based advanced materials Advanced carbon nanomaterials, such as graphene and its derivatives, carbon nanotubes (CNTs) and

• conduction band electrons of g-C3N4 after visible light irradiation followed by transfer of electrons to Cr(VI) to produce Cr(III) [138]. Photocatalytic reduction of Cr(VI) using CNT-modified TiO2 Carbon nanotubes (CNTs) have also been shown to possess excellent electronic and conductive properties. Waldmann

Interplay between pairing and correlations in spin-polarized bound states

• Szczepan Głodzik,
• Aksel Kobiałka,
• Anna Gorczyca-Goraj,
• Andrzej Ptok,
• Grzegorz Górski,
• Maciej M. Maśka and
• Tadeusz Domański

Beilstein J. Nanotechnol. 2018, 9, 1370–1380, doi:10.3762/bjnano.9.129

• quantum defects involving their intrinsic spins can couple them ferromagnetically. This can be used (e.g., in metallic carbon nanotubes) for a robust transmission of magnetic information over large distances. In all cases the bound YSR states are also sensitive to interactions. One of them is the spin

Atomic-level characterization and cilostazol affinity of poly(lactic acid) nanoparticles conjugated with differentially charged hydrophilic molecules

• María Francisca Matus,
• Martín Ludueña,
• Cristian Vilos,
• Iván Palomo and
• Marcelo M. Mariscal

Beilstein J. Nanotechnol. 2018, 9, 1328–1338, doi:10.3762/bjnano.9.126

• hydrophilicity/hydrophobicity ratio, the size and surface chemistry are crucial factors in NP–cell interactions. Several studies on metallic NPs, carbon nanotubes, and dendrimers have shown that toxicity of different NPs is determined by a combination of these factors [25][26][27][28][29]. In this respect

Chemistry for electron-induced nanofabrication

• Petra Swiderek,
• Hubertus Marbach and
• Cornelis W. Hagen

Beilstein J. Nanotechnol. 2018, 9, 1317–1320, doi:10.3762/bjnano.9.124

• force microscopy [32] as well as nanostructures fabricated by a combination of FEBID and autocatalytic growth processes and used as templates for the growth of carbon nanotubes [33]. In summary, the publications collected in the Thematic Series at hand document significant progress in the understanding

The electrical conductivity of CNT/graphene composites: a new method for accelerating transmission function calculations

• Olga E. Glukhova and
• Dmitriy S. Shmygin

Beilstein J. Nanotechnol. 2018, 9, 1254–1262, doi:10.3762/bjnano.9.117

• thousands of atoms. The verification of the proposed method is carried out by exemplarily calculating the electrical characteristics of graphene and graphane films. For the first time, we calculated the transmission function and electrical conductance of pillared graphene, composite film of carbon nanotubes

• single-walled carbon nanotubes (SWCNTs). One of the advantages of this material is its high strength and resistance to mechanical stress [2][3][4]. In combination with high electrical capacity and efficient electronic transfer between graphene sheets, this nanomaterial has already been recognized as

Electrodeposition of reduced graphene oxide with chitosan based on the coordination deposition method

• Mingyang Liu,
• Yanjun Chen,
• Chaoran Qin,
• Zheng Zhang,
• Shuai Ma,
• Xiuru Cai,
• Xueqian Li and
• Yifeng Wang

Beilstein J. Nanotechnol. 2018, 9, 1200–1210, doi:10.3762/bjnano.9.111

• nanoparticles, carbon nanotubes, manganese oxides nanoparticles, and carbon dots) on electrodes through codeposition with chitosan, which offers attractive applications in antimicrobial coatings, biosensors, microbial fuel cells, and energy storage materials [14][15][16][17][18]. Among the studies on the

Understanding the performance and mechanism of Mg-containing oxides as support catalysts in the thermal dry reforming of methane

• Nor Fazila Khairudin,
• Mohd Farid Fahmi Sukri,
• Mehrnoush Khavarian and
• Abdul Rahman Mohamed

Beilstein J. Nanotechnol. 2018, 9, 1162–1183, doi:10.3762/bjnano.9.108

• removal by Khavarian et al. [69], who demonstrated carbon removal by active surface oxygen produced from CO2 dissociation over active metal particles supported by multiwalled carbon nanotubes (MWCNTs). Interestingly, the active sites of the catalyst were regenerated, and stable conversions were

Electrostatic force spectroscopy revealing the degree of reduction of individual graphene oxide sheets

• Yue Shen,
• Ying Wang,
• Yuan Zhou,
• Chunxi Hai,
• Jun Hu and
• Yi Zhang

Beilstein J. Nanotechnol. 2018, 9, 1146–1155, doi:10.3762/bjnano.9.106

• sheets [23], carbon nanotubes (CNTs) [24] and so on. SPFM [25] and electrostatic force microscopy (EFM) [26] have revealed a step-by-step reduction process in GO sheets. However, when the reduction reactions are completed, it is hard for these methods to identify the small difference between GO sheets

Review on nanoparticles and nanostructured materials: history, sources, toxicity and regulations

• Jaison Jeevanandam,
• Ahmed Barhoum,
• Yen S. Chan,
• Alain Dufresne and
• Michael K. Danquah

Beilstein J. Nanotechnol. 2018, 9, 1050–1074, doi:10.3762/bjnano.9.98

• morphologies such as hollow tubes, ellipsoids or spheres. Fullerenes (C60), carbon nanotubes (CNTs), carbon nanofibers, carbon black, graphene (Gr), and carbon onions are included under the carbon-based NMs category. Laser ablation, arc discharge, and chemical vapor deposition (CVD) are the important

• depends on the composition of the particulate mixture [94]. Recently, fine particulate matter, especially carbon nanotubes of anthropogenic origin, was found to be present in the broncho-alveolar lavage fluids from asthmatic Parisian children. The results showed that the presence of carbon nanotubes in

• cells can cause granulomatous reactions, oxidative stress and inflammation, leading to fibroplasia and neoplasia in lungs. The results also suggested that humans are routinely exposed to carbon nanotubes and showed that the outcome is similar to the vehicle exhaust samples collected in Paris, ambient

Single-crystalline FeCo nanoparticle-filled carbon nanotubes: synthesis, structural characterization and magnetic properties

• Rasha Ghunaim,
• Maik Scholz,
• Christine Damm,
• Bernd Rellinghaus,
• Rüdiger Klingeler,
• Bernd Büchner,
• Michael Mertig and
• Silke Hampel

Beilstein J. Nanotechnol. 2018, 9, 1024–1034, doi:10.3762/bjnano.9.95

• Dresden, 01062 Dresden, Germany Kurt-Schwabe-Institut für Mess- und Sensortechnik e.V. Meinsberg, 04736 Waldheim, Germany 10.3762/bjnano.9.95 Abstract In the present work, we demonstrate different synthesis procedures for filling carbon nanotubes (CNTs) with equimolar binary nanoparticles of the type Fe

• -filled CNTs show significant enhancement in the coercive field as compared to the corresponding bulk material, which make them excellent candidates for several applications such as magnetic storage devices. Keywords: carbon nanotubes; crystal structure; encapsulation; Fe–Co binary nanoparticles

• coatings, carbon nanotubes (CNTs) have been introduced as a protective shell due to their high stability in different chemical and physical environments such as acidic, basic, high temperature and pressurized conditions [33][34][35][36]. CNTs can also act as a template to control the size and morphology of

A review of carbon-based and non-carbon-based catalyst supports for the selective catalytic reduction of nitric oxide

• Shahreen Binti Izwan Anthonysamy,
• Syahidah Binti Afandi,
• Mehrnoush Khavarian and
• Abdul Rahman Bin Mohamed

Beilstein J. Nanotechnol. 2018, 9, 740–761, doi:10.3762/bjnano.9.68

• catalyst supports for nitric oxide (NO) removal through selective catalytic reduction (SCR) with ammonia are examined in this review. A number of carbon-based materials, such as carbon nanotubes (CNTs), activated carbon (AC), and graphene (GR) and non-carbon-based materials, such as Zeolite Socony Mobil–5

• catalysts have been widely studied due to their high surface area, porosity, ability to regenerate and be reused, and good support properties [17]. Several metal oxides were impregnated with carbon-based materials such as carbon nanotubes (CNTs), activated carbon (AC), activated carbon nanofibres (ACNFs

• materials are found suitable for use in most catalytic process applications. Although carbonious materials have traditionally been used as supports for catalysts in heterogeneous catalytic processes, they are becoming more familiar as catalysts of their own [63][64][65]. Carbon nanotubes (CNTs), activated

Single-step process to improve the mechanical properties of carbon nanotube yarn

• Maria Cecilia Evora,
• Xinyi Lu,
• Nitilaksha Hiremath,
• Nam-Goo Kang,
• Kunlun Hong,
• Roberto Uribe,
• Gajanan Bhat and
• Jimmy Mays

Beilstein J. Nanotechnol. 2018, 9, 545–554, doi:10.3762/bjnano.9.52

• electrical properties (Young’s modulus of 1 TPa, tensile strength above 100 GPa), carbon nanotubes (CNTs) are promising materials for various advanced technologies, including CNT-reinforced polymer composites [1][2]. Although many investigations have been carried out with these materials, it still remains a

Engineering of oriented carbon nanotubes in composite materials

• Razieh Beigmoradi,
• Abdolreza Samimi and
• Davod Mohebbi-Kalhori

Beilstein J. Nanotechnol. 2018, 9, 415–435, doi:10.3762/bjnano.9.41

• -45639, Iran 10.3762/bjnano.9.41 Abstract The orientation and arrangement engineering of carbon nanotubes (CNTs) in composite structures is considered a challenging issue. In this regard, two groups of in situ and ex situ techniques have been developed. In the first, the arrangement is achieved during

• future outlook. Keywords: arrangement and alignment; carbon nanotubes; composite materials; orientation; Review Introduction Carbon is one of the most abundant elements comprising the world around us. Before 1985 graphite and diamond were the only known structural forms of carbon [1]. In 1991, Iijima

• the keywords: carbon nanotubes and CNT. Subject areas of papers published in the past 16 years on the topic of CNTs. The numbers were determined based on a Scopus search spanning from 2000 to 2016 using the keyword carbon nanotubes. SEM image of a CNT/polymer film. The oriented CNTs are indicated in

Dynamic behavior of nematic liquid crystal mixtures with quantum dots in electric fields

• Emil Petrescu,
• Cristina Cirtoaje and
• Octavian Danila

Beilstein J. Nanotechnol. 2018, 9, 399–406, doi:10.3762/bjnano.9.39

• well as science and engineering, requires improved technologies and new materials. Materials science provides great opportunities to these technologies by synthesizing new nanoparticles that can be mixed with liquid crystals: carbon nanotubes [1][2][3], graphene, magnetic nanoparticles [4][5], gold

Review: Electrostatically actuated nanobeam-based nanoelectromechanical switches – materials solutions and operational conditions

• Liga Jasulaneca,
• Jelena Kosmaca,
• Raimonds Meija,
• Jana Andzane and
• Donats Erts

Beilstein J. Nanotechnol. 2018, 9, 271–300, doi:10.3762/bjnano.9.29

• nanostructures (e.g., thin films [5][6][7], nanobundles [8], nanowires [9][10][11][12][13][14], nanotubes [15][16]) fabricated from different materials (e.g., metals [17][18][19], semiconductors [9][10][20][21][22][23], carbon allotropes, including graphene [24][25][26][27][28][29][30][31] and carbon nanotubes

• change of the chemical composition of the contacting materials. Electrical-current-induced thermal effects have been studied in various one-dimensional nanostructures such as Si [92], Ge [10][54], carbon nanotubes (CNTs) [93][94][95], GaN [96][97] and ZnTe [98]. The evolution of a nanocontact between a

• cycles. This was attributed to physical degradation of contacts, as well as formation of Ti and W oxides during the device processing. Carbon allotropes Carbon nanotubes: Carbon nanotubes have diameters ranging from the subnanometre range to tens of nanometres and may exhibit length-to-diameter ratios of

Synthesis and characterization of electrospun molybdenum dioxide–carbon nanofibers as sulfur matrix additives for rechargeable lithium–sulfur battery applications

• Ruiyuan Zhuang,
• Shanshan Yao,
• Maoxiang Jing,
• Xiangqian Shen,
• Jun Xiang,
• Tianbao Li,
• Kesong Xiao and
• Shibiao Qin

Beilstein J. Nanotechnol. 2018, 9, 262–270, doi:10.3762/bjnano.9.28

• ], multiwalled carbon nanotubes (MWNTs) [4] and hollow carbon microspheres [5]) and electrically conductive polymeric materials (e.g., polyaniline [6], polypyrrole [7] and poly(3,4-ethylenedioxythiophene) [8]) have been considerably used to encapsulate sulfur or polysulfide. Recently, polar metal oxide/sulfide

BN/Ag hybrid nanomaterials with petal-like surfaces as catalysts and antibacterial agents

• Konstantin L. Firestein,
• Denis V. Leybo,
• Alexander E. Steinman,
• Andrey M. Kovalskii,
• Andrei T. Matveev,
• Anton M. Manakhov,
• Irina V. Sukhorukova,
• Pavel V. Slukin,
• Nadezda K. Fursova,
• Sergey G. Ignatov,
• Dmitri V. Golberg and
• Dmitry V. Shtansky

Beilstein J. Nanotechnol. 2018, 9, 250–261, doi:10.3762/bjnano.9.27

• only improve the colloidal stability of Ag NPs but also improve their antibacterial characteristics. A wide range of materials, such as graphene oxide [30][31], carbon nanotubes [32], SiO2 [33], Fe3O4 [34], ZnO [35], CuO [36], TiO2 [37] and others, have been tested as the supports for Ag NPs. Compared

Dynamic behavior of a nematic liquid crystal with added carbon nanotubes in an electric field

• Emil Petrescu and
• Cristina Cirtoaje

Beilstein J. Nanotechnol. 2018, 9, 233–241, doi:10.3762/bjnano.9.25

• Emil Petrescu Cristina Cirtoaje University Politehnica of Bucharest, Department of Physics, Splaiul Independenţei 313, 060042, Bucharest, Romania 10.3762/bjnano.9.25 Abstract The dynamic behavior of a nematic liquid crystal with added carbon nanotubes (CNTs) in an electric field was analyzed. A

• theoretical model based on elastic continuum theory was developed and the relaxation times of nematic liquid crystals with CNTs were evaluated. Experiments made with single-walled carbon nanotubes dispersed in nematic 4-cyano-4’-pentylbiphenyl (5CB) indicated a significant difference of the relaxation time

• models have to be developed for their characterization [5][6][9][10][11]. When nanoparticles are inserted in liquid crystals, nematic molecules are attached to the particle surface due to anchoring forces. Experimental studies revealed that carbon nanotubes have a strong interaction with liquid crystal

Liquid-crystalline nanoarchitectures for tissue engineering

• Baeckkyoung Sung and
• Min-Ho Kim

Beilstein J. Nanotechnol. 2018, 9, 205–215, doi:10.3762/bjnano.9.22

• electronics during the last decades. Technological breakthroughs can be achieved by introducing stimuli-responsivity or intelligence into the conventional LC biomaterials [114]. Hybridization with functional nanomaterials (e.g., stimuli-sensitive polymers, magnetic nanoparticles, carbon nanotubes and graphene

Dielectric properties of a bisimidazolium salt with dodecyl sulfate anion doped with carbon nanotubes

• Doina Manaila Maximean,
• Viorel Cîrcu and
• Constantin Paul Ganea

Beilstein J. Nanotechnol. 2018, 9, 164–174, doi:10.3762/bjnano.9.19

• low frequencies confirm the presence of EP. Keywords: activation energy; carbon nanotubes; dielectric spectroscopy; ionic liquid crystal; relaxation time; Introduction Ionic liquid crystals (ILCs) represent a very appealing class of materials that has found various recent applications in dye

• melting and clearing points. Hence, there is the interest to design such materials for further electro-optical applications [22][23][24][25][26][27][28][29][30][31][32]. Carbon nanotubes (CNTs) and nanoparticles were also dispersed in LCs [33][34][35][36]. It is well-known that the order of the LCs can be

• characterized by 1H NMR, 13C NMR and IR spectroscopy. Its liquid crystalline properties were analyzed by polarizing optical microscopy (POM), differential scanning calorimetry (DSC) and powder X-ray diffraction (XRD) studies. The dielectric spectra of the ILC doped with different concentrations of carbon

Advances in nanocarbon composite materials

• Sharali Malik,
• Arkady V. Krasheninnikov and
• Silvia Marchesan

Beilstein J. Nanotechnol. 2018, 9, 20–21, doi:10.3762/bjnano.9.3

• energy, and generally, to improve the quality of our lives. Since the discovery of fullerenes over thirty years ago, there has been increasing research in the area of nanocarbon materials. Research in this field was boosted first by the discovery of carbon nanotubes and then by the advent of graphene and

• , Moldova, Korea, China, Japan, Australia and New Zealand. This Thematic Series highlights virtually all subfields of advanced nanocarbon materials research, from the longer established fields of carbon nanofibers, graphene oxide (GO) and multiwalled carbon nanotubes (MWCNTs) in composite materials, to the