Structural studies and selected physical investigations of LiCoO₂ obtained by combustion synthesis

• Monika Michalska,
• Paweł Ławniczak,
• Tomasz Strachowski,
• Adam Ostrowski and
• Waldemar Bednarski

Beilstein J. Nanotechnol. 2022, 13, 1473–1482, doi:10.3762/bjnano.13.121

• investigated by using impedance spectroscopy. Comparison of the effect of annealing temperature on electrical conductivity shows a very interesting behavior. As the annealing temperature increases, the DC conductivity value increases, reaching a maximum at a temperature of 500 °C. However, further increase in

• improve electrical conductivity and electrochemical performance [5][6][7][9][13][14][15][16][23][24][25][26][27][28][29][30][31][32]. Nanostructured materials can reduce the specific surface current rate as well as improve stability and specific capacity [23][24][25][26][27][28][29]. LiCoO2 has been

• the known sample geometry: where d denotes the thickness and S is the surface area of the plane-parallel sample. Table 2 presents a comparison of the DC conductivity of the LiCoO2 samples. A comparison of the influence of the annealing temperature on the electrical conductivity shows some very

Rapid and sensitive detection of box turtles using an electrochemical DNA biosensor based on a gold/graphene nanocomposite

• Abu Hashem,
• M. A. Motalib Hossain,
• Ab Rahman Marlinda,
• Mohammad Al Mamun,
• Khanom Simarani and
• Mohd Rafie Johan

Beilstein J. Nanotechnol. 2022, 13, 1458–1472, doi:10.3762/bjnano.13.120

• large surface area, high electrical conductivity and electron transfer rate, and it can immobilise diverse molecules, which is ideal for biosensor design [37][38][42]. On the other hand, AuNPs offer outstanding characteristics such as biocompatibility, conductivity, catalytic efficiency, density, and

Studies of probe tip materials by atomic force microscopy: a review

• Ke Xu and
• Yuzhe Liu

Beilstein J. Nanotechnol. 2022, 13, 1256–1267, doi:10.3762/bjnano.13.104

• future, such probes will enable previously unexplored conductivity measurements, such as measurements of semiconductor nanostructures or electrical conductivity on insulating substrates. Conductive atomic force microscopy (C-AFM) can be used to characterize the electrical properties of semi-conductive

Application of nanoarchitectonics in moist-electric generation

• Jia-Cheng Feng and
• Hong Xia

Beilstein J. Nanotechnol. 2022, 13, 1185–1200, doi:10.3762/bjnano.13.99

• nanoarchitectonics concept in functional devices has been a hot research topic in recent years, and nanoarchitectonics has a significant impact on the improvement of mechanical structural strength, electrical conductivity, and optoelectronic properties [1][2][3]. The high porosity of nanostructured materials has a

• have superior electrical conductivity and provide better electron transfer properties. Organic nanomaterials are complementary to inorganic nanomaterials in terms of physical properties. Although organic nanomaterials are usually poor in electrical conductivity, they have better properties in terms of

• MEGs. Among them, carbon materials are favored by researchers due to their good electrical conductivity and mature preparation technologies. In addition, surface modification of materials is an important part of research for MEGs. The surface functional groups of inorganic nanomaterials are easy to

Electrocatalytic oxygen reduction activity of AgCoCu oxides on reduced graphene oxide in alkaline media

• Iyyappan Madakannu,
• Indrajit Patil,
• Bhalchandra Kakade and
• Kasibhatta Kumara Ramanatha Datta

Beilstein J. Nanotechnol. 2022, 13, 1020–1029, doi:10.3762/bjnano.13.89

• attributes include high electrical conductivity, cost-effectiveness (50 times lower than Pt), and the ability to execute the ORR via a single step (four-electron transfer). Thus, Ag and its bi- and trimetallic alloys, with and without supporting matrices, have been extensively researched as potential ORR

Temperature and chemical effects on the interfacial energy between a Ga–In–Sn eutectic liquid alloy and nanoscopic asperities

• Yujin Han,
• Pierre-Marie Thebault,
• Corentin Audes,
• Xuelin Wang,
• Haiwoong Park,
• Jian-Zhong Jiang and
• Arnaud Caron

Beilstein J. Nanotechnol. 2022, 13, 817–827, doi:10.3762/bjnano.13.72

• -temperature-liquid Ga-based alloys have been attracting interest from various scientific communities, including chemical [1], biomimetic [2], microfluidic [3], electrical [4], and materials science [5]. This increased interest is due to the low viscosity and high and electrical conductivity of these alloys

A nonenzymatic reduced graphene oxide-based nanosensor for parathion

• Sarani Sen,
• Anurag Roy,
• Ambarish Sanyal and
• Parukuttyamma Sujatha Devi

Beilstein J. Nanotechnol. 2022, 13, 730–744, doi:10.3762/bjnano.13.65

• depend on the number of layers and the distance between the layers, which can be changed by a variation of the synthesis protocol to achieve a higher electroactive surface area and electrical conductivity. Figure 4A displays a higher oxidation/reduction peak current of Fe2+/3+ redox couple for the

Nanoarchitectonics of the cathode to improve the reversibility of Li–O₂ batteries

• Hien Thi Thu Pham,
• Jonghyeok Yun,
• So Yeun Kim,
• Sang A Han,
• Jung Ho Kim,
• Jong-Won Lee and
• Min-Sik Park

Beilstein J. Nanotechnol. 2022, 13, 689–698, doi:10.3762/bjnano.13.61

• electrical conductivity further, ultimately leading to better electrochemical stability in the cathode. As a result, the optimized bimetallic ZIF–carbon/CNT composite exhibits a high discharge capacity of 16,000 mAh·g−1, with a stable cycling performance of up to 137 cycles. This feature is also beneficial

• physicochemical properties of Li2O2 are reported to be dependent on many factors, including the pore structure of cathode. The electrical conductivity of the cathode is also essential for securing long-term cyclability as well as rate capability [12]. In this respect, various types of carbon materials have been

• explored as advanced cathode materials for LOBs, owing to their controllable pore structure with a high surface-to-volume ratio and excellent electrical conductivity [13][14]. In particular, nitrogen-doped carbon materials have shown electrocatalytic activity towards the ORR and/or OER, which would be a

Reliable fabrication of transparent conducting films by cascade centrifugation and Langmuir–Blodgett deposition of electrochemically exfoliated graphene

• Teodora Vićentić,
• Stevan Andrić,
• Vladimir Rajić and
• Marko Spasenović

Beilstein J. Nanotechnol. 2022, 13, 666–674, doi:10.3762/bjnano.13.58

• thickness for a reasonable electrical conductivity. For both, our films made from electrochemically exfoliated graphene and literature-referenced films made from ultrasonic LPE graphene, the percolation limit is reached at an optical transmittance of ca. 83%. This number quantifies the maximum transmittance

• achievable with LB assembly of graphene films made from solution-dispersed material, for a reasonable electrical conductivity. Comparisons of our obtained percolative figure of merit and percolation exponent with those observed in literature reveal that the quality of the films obtained with our demonstrated

Revealing local structural properties of an atomically thin MoSe₂ surface using optical microscopy

• Lin Pan,
• Peng Miao,
• Anke Horneber,
• Alfred J. Meixner,
• Pierre-Michel Adam and
• Dai Zhang

Beilstein J. Nanotechnol. 2022, 13, 572–581, doi:10.3762/bjnano.13.49

• slightly decrease the in-plane electrical conductivity, whereas mirror twin boundaries lead to photoluminescence quenching and increase the conductivity [17]. Tip-enhanced Raman spectroscopy has been successfully used to visualize the point defect-related Raman vibrational modes in monolayer WS2 and edge

Influence of thickness and morphology of MoS₂ on the performance of counter electrodes in dye-sensitized solar cells

• Lam Thuy Thi Mai,
• Hai Viet Le,
• Ngan Kim Thi Nguyen,
• Van La Tran Pham,
• Thu Anh Thi Nguyen,
• Nguyen Thanh Le Huynh and
• Hoang Thai Nguyen

Beilstein J. Nanotechnol. 2022, 13, 528–537, doi:10.3762/bjnano.13.44

• -5.0 (500 nm). This is in good agreement with the trend of Rs and Rct1 values (see Table 2 and Table 3). The effect of film thickness on the electrical conductivity of the MoS2 films was also investigated by I–V measurements (see Supporting Information File 1, Figure S2 and Table S1). The electrical

• Na2S of 5/30). In addition, as-prepared MoS2 films have been used as an alternative CE to Pt in DSSCs. The short-circuit photocurrent (Jsc) was higher than that of a Pt/FTO CE. Moreover, the highest performance of solar cells was found with the layered MoS2 film thank to good electrical conductivity, a

• conductivity of the as-prepared MoS2 decreased in the order: MoS2-1.25 (75 mS·cm−1) > MoS2-2.5 (61 mS·cm−1) > MoS2-5.0 (46 mS·cm−1). This suggests that the thickness of the MoS2 film has a significant effect on the catalytic ability and photovoltaic performance of the CE in DSSCs. Additionally, the electron

Micro- and nanotechnology in biomedical engineering for cartilage tissue regeneration in osteoarthritis

• Zahra Nabizadeh,
• Mahmoud Nasrollahzadeh,
• Hamed Daemi,
• Mohamadreza Baghaban Eslaminejad,
• Ali Akbar Shabani,
• Mehdi Dadashpour,
• Majid Mirmohammadkhani and
• Davood Nasrabadi

Beilstein J. Nanotechnol. 2022, 13, 363–389, doi:10.3762/bjnano.13.31

• carbon, silicon, boron, and halloysite clay sheets and possess unique physicochemical properties. Among nanotube structures, much attention has been paid to carbon nanotubes (CNTs) because of their excellent mechanical and tensile strength properties, thermal and electrical conductivity, and high surface

• cardiomyocyte-incorporated CNT–GelMA hydrogel for TE of the cardiovascular system [132]. To fabricate CNT–GelMA nanocomposites, they added MWCNTs into GelMA to improve the electrophysiological and mechanical properties. The electrical conductivity of CNTs allowed the researchers to form nanocomposite 3D

Selected properties of Al_xZn_yO thin films prepared by reactive pulsed magnetron sputtering using a two-element Zn/Al target

• Witold Posadowski,
• Artur Wiatrowski,
• Jarosław Domaradzki and
• Michał Mazur

Beilstein J. Nanotechnol. 2022, 13, 344–354, doi:10.3762/bjnano.13.29

• devices (e.g., touch screens, light emitting diodes, optoelectronics, and photovoltaic organic devices) [1][2][3][4][5]. AZO has good long-term stable electrical and optical parameters, including high electrical conductivity and high optical transmission in the visible range. For the purpose of

Investigation of a memory effect in a Au/(Ti–Cu)Ox-gradient thin film/TiAlV structure

• Damian Wojcieszak,
• Jarosław Domaradzki,
• Michał Mazur,
• Tomasz Kotwica and
• Danuta Kaczmarek

Beilstein J. Nanotechnol. 2022, 13, 265–273, doi:10.3762/bjnano.13.21

• approximately 5 nm. To determine the type of electrical conductivity, thermoelectrical Seebeck effect measurements were conducted using a setup consisting of an INSTEC chamber equipped with four electrical probes and two hot chucks, an INSTEC MK1000 temperature controller, and an INSTEC LN2-P pump. The optical

• used. All electrical measurements were made at controlled room temperature (23 °C) and humidity (30% RH) in ambient air. Results Electrical properties The resistivity of the thin film was determined to be 1 × 103 Ω·cm. The type of electrical conductivity was determined on the basis of the sign of the

A comprehensive review on electrospun nanohybrid membranes for wastewater treatment

• Senuri Kumarage,
• Imalka Munaweera and
• Nilwala Kottegoda

Beilstein J. Nanotechnol. 2022, 13, 137–159, doi:10.3762/bjnano.13.10

• different physicochemical properties of the solvents, such as the electrical conductivity, inherent viscosity of the polymers, and the difference of solubility parameters of the solvent and the polymer [36]. Moreover, they have reported that entanglement concentrations of the polymers varied significantly

Measurement of polarization effects in dual-phase ceria-based oxygen permeation membranes using Kelvin probe force microscopy

• Kerstin Neuhaus,
• Christina Schmidt,
• Liudmila Fischer,
• Wilhelm Albert Meulenberg,
• Ke Ran,
• Joachim Mayer and
• Stefan Baumann

Beilstein J. Nanotechnol. 2021, 12, 1380–1391, doi:10.3762/bjnano.12.102

• images can be used to determine room temperature diffusion coefficients [24]. These data are not easily accessible by oxygen permeation experiments or state-of-the-art electrochemical experiments with macroscopic electrodes, because the electrical conductivity of ceria-based materials is very low below

• according to the Fe3−xCoxO4 phase diagram [10]. For electrical conductivity measurements, the samples were burnished using sanding paper (1200 graining). For KFPM measurements, the samples were embedded in epoxy resin and polished to mirror using diamond polishing paste. The roughness of the polished

• samples was around 50 nm. Electrical conductivity measurements The electrical conductivity was determined in a DC measurement where the sample was put between two Pt contacts, one made of a Pt wire with a contact diameter of 700 µm and one made of a Pt sheet with additional Pt resinate paste (RP 070107

Electrical, electrochemical and structural studies of a chlorine-derived ionic liquid-based polymer gel electrolyte

• Ashish Gupta,
• Amrita Jain,
• Manju Kumari and
• Santosh K. Tripathi

Beilstein J. Nanotechnol. 2021, 12, 1252–1261, doi:10.3762/bjnano.12.92

• amorphization of the system. The SEM images reveal the porous texture of the films, which have good liquid retention capability and support the electrical conductivity through their polymeric matrices. The electrochemical stability window of the prepared films was found to be 4.0 V. The ionic transference

• )) (20 wt %) + [PC-Mg(ClO4)2 (0.3 M)] (80 wt %), and (e) ({(PVdF-HFP)-[BDiMIM][Cl]} (4:6)) (30 wt %) + [PC-Mg(ClO4)2 (0.3 M)] (70 wt %) polymer gel electrolytes films. Room-temperature electrical conductivity of the polymer/ionic liquid blend as a function of the ionic liquid concentration. Variation of

• the electrical conductivity of a polymer gel electrolyte as a function of the polymer/ionic liquid blend concentration. Variation of the electrical conductivity of an optimized polymer gel as a function of the temperature. (a) Variation of the dielectric constant of a polymer gel electrolyte system as

The effect of cobalt on morphology, structure, and ORR activity of electrospun carbon fibre mats in aqueous alkaline environments

• Markus Gehring,
• Tobias Kutsch,
• Osmane Camara,
• Alexandre Merlen,
• Hermann Tempel,
• Hans Kungl and
• Rüdiger-A. Eichel

Beilstein J. Nanotechnol. 2021, 12, 1173–1186, doi:10.3762/bjnano.12.87

• regard the entirety of the insights found in a holistic approach. The behaviour of the reference fibres without cobalt is governed by two competing properties, nitrogen-content and electrical conductivity. As discussed in detail in a previous study, a higher nitrogen content and a higher conductivity

• will increase the activity and reduce the required overpotential [12]. However, at increasing temperatures, on the one hand, nitrogen is removed, reducing activity, while on the other hand, the carbon becomes more graphitised increasing electrical conductivity. The optimum of activity is found at

Irradiation-driven molecular dynamics simulation of the FEBID process for Pt(PF₃)₄

• Alexey Prosvetov,
• Alexey V. Verkhovtsev,
• Gennady Sushko and
• Andrey V. Solov’yov

Beilstein J. Nanotechnol. 2021, 12, 1151–1172, doi:10.3762/bjnano.12.86

First-principles study of the structural, optoelectronic and thermophysical properties of the π-SnSe for thermoelectric applications

• Muhammad Atif Sattar,
• Najwa Al Bouzieh,
• Maamar Benkraouda and
• Noureddine Amrane

Beilstein J. Nanotechnol. 2021, 12, 1101–1114, doi:10.3762/bjnano.12.82

• understand the thermoelectric (TE) response and applicability of the cubic π-SnSe alloy, we employed the semiclassical Boltzmann transport theory to determine the Seebeck coefficient (S), the electrical conductivity (σ/τ), as well as the electronic part of the thermal conductivity (κe/τ) by applying the

• following relations [9]: Here, f0(T,ε) is the Fermi distribution function, α and β are tensor indices, Ω is cell volume, and σαβ(ε) is the electrical conductivity tensor computed through Fourier interpolation of the band energies. We have evaluated these TE parameters under a constant relaxation time (τ

• devices. Another important TE parameter is the electrical conductivity, which is shown in Figure 9b for the cubic π-SnSe alloy as a function of temperature. The electrical conductivity parameter describes the flow of charge carriers from high- to low-temperature regions. We found that the electrical

Assessment of the optical and electrical properties of light-emitting diodes containing carbon-based nanostructures and plasmonic nanoparticles: a review

• Keshav Nagpal,
• Erwan Rauwel,
• Frédérique Ducroquet and
• Protima Rauwel

Beilstein J. Nanotechnol. 2021, 12, 1078–1092, doi:10.3762/bjnano.12.80

• review is available in Table 1. Enhancing the anode characteristics For LED, the general strategy is to use a current-spreading layer (anode) with a high electrical conductivity and a high transparency ranging from the UV to the red region. Additionally, it should also be cost-effective and producible on

Progress and innovation of nanostructured sulfur cathodes and metal-free anodes for room-temperature Na–S batteries

• Marina Tabuyo-Martínez,
• Bernd Wicklein and
• Pilar Aranda

Beilstein J. Nanotechnol. 2021, 12, 995–1020, doi:10.3762/bjnano.12.75

• because both Na2S8 and the reduction products, Na2Sn (4 < n < 8), show higher electrical conductivity than elemental sulfur and sodium sulfide Na2S and faster reaction kinetics with Na+ [42]. Therefore, by employing the S/Na2Sn redox couple as cathode, the electrode conductivity is enhanced, which

• presents severe obstacles to a more widespread use, especially in commercial alkali–sulfur batteries. The major electrochemical challenges of bulk sulfur are low electrical conductivity, large volume expansion on discharge (S → Na2S), slow reaction kinetics with Na, formation and loss of polysulfides due

• even higher than that of metal Na [9]. However, also phosphorous anodes suffer from large volume expansion (up to 490%), but in addition also from low electrical conductivity [76]. The use of amorphous (red) phosphorous can lessen the expansion problem and extend cycle life. For instance, a red

A review of defect engineering, ion implantation, and nanofabrication using the helium ion microscope

• Frances I. Allen

Beilstein J. Nanotechnol. 2021, 12, 633–664, doi:10.3762/bjnano.12.52

• analysis of these substrate effects can be found in [18]. Electrical and electronic properties The majority of defect engineering studies using the HIM have focused on tuning electrical conductivity. First work in this area concentrated on graphene, seeking to locally modulate its 2D electronic structure

High-yield synthesis of silver nanowires for transparent conducting PET films

• Gul Naz,
• Hafsa Asghar,
• Muhammad Ramzan,
• Muhammad Arshad,
• Rashid Ahmed,
• Muhammad Bilal Tahir,
• Bakhtiar Ul Haq,
• Nadeem Baig and
• Junaid Jalil

Beilstein J. Nanotechnol. 2021, 12, 624–632, doi:10.3762/bjnano.12.51

• electrodes made of sputtered indium tin oxide (ITO) films [1][2][3]. These films are widely used because of their high transmittance, low sheet resistance, and high electrical conductivity. Yet, they still have some major drawbacks such as high cost, intrinsic brittleness due to the ceramic nature [4], and

• electrical conductivity [12]. AgNWs are important as they offer a possibility to overcome light–matter interaction in the visible region. The optical properties of AgNWs are determined by localized surface plasmon resonance (LSPR), which depends on shape, size, and environment of the material [13]. AgNWs

• as a by-product of the reaction drastically affect the electrical conductivity and transparency of the silver nanowires network, thus limiting the optoelectronic applications [30][31]. Here, a fast one-pot modified polyol protocol [32] was employed to obtain ultrapure silver nanowires. In this facile

A stretchable triboelectric nanogenerator made of silver-coated glass microspheres for human motion energy harvesting and self-powered sensing applications

• Hui Li,
• Yaju Zhang,
• Yonghui Wu,
• Hui Zhao,
• Weichao Wang,
• Xu He and
• Haiwu Zheng

Beilstein J. Nanotechnol. 2021, 12, 402–412, doi:10.3762/bjnano.12.32

• the mold slowly. Second, SCGMs (diameter of 30 μm, Shenzhen Changxinda Shielding Materials Co. LTD) with good electrical conductivity were spread evenly over the surface. Finally, different films were prepared by adjusting the ratio between silicone and rubber/SCGMs (1:1, 1:1.5, 1:2, 1:2.5