Electron transport through nanoscale multilayer graphene and hexagonal boron nitride junctions

• Aleksandar Staykov and
• Takaya Fujisaki

Beilstein J. Nanotechnol. 2025, 16, 2132–2143, doi:10.3762/bjnano.16.147

• enabled us to extrapolate trends for electron transport in thicker multilayer carbon and h-BN materials. Keywords: NEGF; DFT; nano-junction; Introduction Multilayer graphene nanomaterials exhibit interesting electronic properties and find application in battery electrode materials [1], electrocatalysis

• in far-ultraviolet light-emitting devices. These applications leverage h-BN’s properties like high temperature stability, electrical insulation, and chemical resistance [18][20][21]. An interesting application of multilayer h-BN is its deposition on electrode surfaces as an electron blocking layer

• which the current through the device quantum levels is estimated [28]. In this work, we approach the quantum transport through metal/multilayer graphene/metal nanojunctions and compare it to the transport through metal/multilayer h-BN/metal nanojunctions. The choice of the metal electrode is platinum as

Calibration of piezo actuators and systems by dynamic interferometry

• Knarik Khachatryan and
• Michael Reichling

Beilstein J. Nanotechnol. 2025, 16, 2086–2091, doi:10.3762/bjnano.16.143

• long as the respective stabilization loop of interferometer alignment is active [16], this adjustment is maintained even in the presence of drift or piezo creep by the automatic adjustment of the voltage applied between the fiber tube piezo inner electrode and the common potential of the tube piezo

• thickness, respectively. According to the widely used convention, the piezo tube is poled so that a negative potential applied to the inner electrode Vz,f < 0 results in an extension ΔL > 0 that translates into a reduction of the cavity length Δd = derr = −ΔL < 0. From d31 and the geometry parameters of the

Laser ablation in liquids for shape-tailored synthesis of nanomaterials: status and challenges

• Natalie Tarasenka

Beilstein J. Nanotechnol. 2025, 16, 1963–1997, doi:10.3762/bjnano.16.137

Quantum circuits with SINIS structures

• Mikhail Tarasov,
• Mikhail Fominskii,
• Aleksandra Gunbina,
• Artem Krasilnikov,
• Maria Mansfeld,
• Dmitrii Kukushkin,
• Andrei Maruhno,
• Valeria Ievleva,
• Mikhail Strelkov,
• Daniil Zhogov,
• Konstantin Arutyunov,
• Vyacheslav Vdovin,
• Vladislav Stolyarov and
• Valerian Edelman

Beilstein J. Nanotechnol. 2025, 16, 1931–1941, doi:10.3762/bjnano.16.134

• nanostructure consisting of a T-shaped normal metal electrode (copper), an insulating tunnel layer (aluminum oxide), and a superconducting fork (aluminum), Figure 2a. Tunnel junction size is 0.2 × 0.2 µm, loop area 2, 4, 8, or 10 µm2. The transport characteristics of the fabricated interferometers were studied

• quasiparticles out of the normal electrode, which leads to electron cooling, as in a Peltier element. In a single SINIS structure, it is possible to reduce the electron temperature from 260 to 90 mK [31]. Cascaded NIS coolers can be efficient refrigerators for cooling from 1 K to below 100 mK [32]. One of the

Phytol-loaded soybean oil nanoemulsion as a promising alternative against Leishmania amazonensis

• Victória Louise Pinto Freire,
• Mariana Farias Alves-Silva,
• Johny W. de Freitas Oliveira,
• Matheus de Freitas Fernandes-Pedrosa,
• Alianda Maira Cornélio,
• Marcelo de Souza-Silva,
• Thayse Silva Medeiros and
• Arnóbio Antônio da Silva Junior

Beilstein J. Nanotechnol. 2025, 16, 1826–1836, doi:10.3762/bjnano.16.126

• analyses, samples were appropriately diluted at a 1:100 (v/v) ratio. Assessment of hydrogenic potential (pH) The pH value was determined by the potentiometric method by inserting the electrode (Digimed, mod. DM-22) directly into the samples. In this assay, the NE were used in triplicates at room

Piezoelectricity of layered double hydroxides: perspectives regarding piezocatalysis and nanogenerators

• Evgeniy S. Seliverstov,
• Evgeniya A. Tarasenko and
• Olga E. Lebedeva

Beilstein J. Nanotechnol. 2025, 16, 1812–1817, doi:10.3762/bjnano.16.124

• authors’ claims have been excluded from the table and the figure but left in the text. A Ni/Fe-LDH piezoelectric nanogenerator was used to charge an asymmetric supercapacitor made from the as-prepared Ni/Fe-LDH and biomass-derived activated carbon as the positive and negative electrode [7]. The Ni/Fe-LDH

Multifunctional anionic nanoemulsion with linseed oil and lecithin: a preliminary approach for dry eye disease

• Niédja Fittipaldi Vasconcelos,
• Almerinda Agrelli,
• Rayane Cristine Santos da Silva,
• Carina Lucena Mendes-Marques,
• Isabel Renata de Souza Arruda,
• Priscilla Stela Santana de Oliveira,
• Mércia Liane de Oliveira and
• Giovanna Machado

Beilstein J. Nanotechnol. 2025, 16, 1711–1733, doi:10.3762/bjnano.16.120

• digital pH meter (HI2221, Hanna Instruments, BR) equipped with a calibrated glass electrode and a temperature sensor. The electrode and sensor were immersed in the samples, and pH readings were recorded once the measurements stabilized. Transmission electron microscopy The morphology of the nanoemulsions

Ambient pressure XPS at MAX IV

• Mattia Scardamaglia,
• Ulrike Küst,
• Alexander Klyushin,
• Rosemary Jones,
• Jan Knudsen,
• Robert Temperton,
• Andrey Shavorskiy and
• Esko Kokkonen

Beilstein J. Nanotechnol. 2025, 16, 1677–1694, doi:10.3762/bjnano.16.118

• electrochemical (EC) cell; a liquid microjet is also used to a smaller extent. In the EC setup, a three-electrode setup is immersed and retracted from a beaker of liquid electrolyte, forming a thin, electrochemically active meniscus on the working electrode that can be probed using APXPS or XAS, see Figure 1

• APXPS measurements at the vapor pressure of the electrolyte. This method is used mostly for corrosion studies. In the second case, the potential is held during the XPS analysis, and a thin electrolyte film (meniscus) is maintained at the interface of the working electrode (WE) during measurement. This

• thick liquid films can be used to infer charge transfer processes, since the emitted kinetic energy of a photoelectron is dependent on the potential of the probed liquid relative to the grounded working electrode [69][70]. Specifically, the interfaces of gold, copper oxide, and LiNi1/3Mn1/3Co1/3O2 with

Photocatalytic degradation of ofloxacin in water assisted by TiO₂ nanowires on carbon cloth: contributions of H₂O₂ addition and substrate absorbability

• Iram Hussain,
• Lisha Zhang,
• Zhizhen Ye and
• Jin-Ming Wu

Beilstein J. Nanotechnol. 2025, 16, 1567–1579, doi:10.3762/bjnano.16.111

• % acetic acid in ultrapure water, with a flow rate set at 1.0 mL·min−1 and an injection volume of 10 μL. Every hour, 0.2 mL of OFL solution was sampled. The photocurrent was tested using a three-electrode system on an electrochemical workstation (CHI600E, Shanghai Chenhua), in which the carbon cloth (2 cm

• × 2 cm in size) was taken as working electrode, the Pt electrode as counter electrode (3 cm × 3 cm in size), and a saturated calomel electrode as reference electrode; the electrolyte is 0.5 mol/L aqueous Na2SO4 solution. No bias potential was applied for the photocurrent evaluations. Results and

Transient electronics for sustainability: Emerging technologies and future directions

• Jae-Young Bae,
• Myung-Kyun Choi and
• Seung-Kyun Kang

Beilstein J. Nanotechnol. 2025, 16, 1545–1556, doi:10.3762/bjnano.16.109

• , published by Springer Nature), with permission from SNCSC. This content is not subject to CC BY 4.0. (d) Biodegradable and self-deployable electrode (left) for minimally invasive large-area brain interfacing (right). Figure 1d was adapted from [27] (J.-Y. Bae et al., “A biodegradable and self-deployable

• electronic tent electrode for brain cortex interfacing”, Nat. Electron., vol. 7, pages 815–828, 2024, published by Springer Nature), with permission from SNCSC. This content is not subject to CC BY 4.0. (e) Biodegradation of transient electronics in biological domain. Figure 1e was adapted from [27] (J.-Y

• . Bae et al., “A biodegradable and self-deployable electronic tent electrode for brain cortex interfacing”, Nat. Electron., vol. 7, pages 815–828, 2024, published by Springer Nature), with permission from SNCSC. This content is not subject to CC BY 4.0. (f) Biodegradation of transient electronics in

Influence of laser beam profile on morphology and optical properties of silicon nanoparticles formed by laser ablation in liquid

• Natalie Tarasenka,
• Vladislav Kornev,
• Alena Nevar and
• Nikolai Tarasenko

Beilstein J. Nanotechnol. 2025, 16, 1533–1544, doi:10.3762/bjnano.16.108

• morphology. The synthesized colloidal Si NPs are suggested for applications as a component of electrode materials in supercapacitors and batteries. Keywords: laser ablation; laser beams with Bessel, annular, Gaussian profiles; laser-induced modification; silicon nanoparticles; Introduction Silicon, due to

• that the obtained results are important for the preparation of silicon-based nanocomposites as electrode materials with enhanced performance. Materials and Methods The laser ablation experiments were performed using a nanosecond Nd:YAG laser (LS2131D, LOTIS TII, Belarus) as an excitation source

• laser ablation with the Bessel beam profile. Another application of the nanofilaments prepared using Bessel beams can be the electrode material of Li-ion batteries. Experiments on the preliminary evaluation of the electrochemical properties of the prepared nanomaterials for their potential application

Laser processing in liquids: insights into nanocolloid generation and thin film integration for energy, photonic, and sensing applications

• Akshana Parameswaran Sreekala,
• Pooja Raveendran Nair,
• Jithin Kundalam Kadavath,
• Bindu Krishnan,
• David Avellaneda Avellaneda,
• M. R. Anantharaman and
• Sadasivan Shaji

Beilstein J. Nanotechnol. 2025, 16, 1428–1498, doi:10.3762/bjnano.16.104

• ][87]. For example, laser irradiation has been utilized to precisely and controllably introduce a variety of structural defects, such as vacancies and interstitials, within electrode materials for electrochemical energy storage and conversion applications [85][86][88]. By carefully tuning the laser

• parameters, researchers have been able to selectively create and stabilize the desired type and distribution of defects within the electrode materials, leading to improvements in energy density, power density, and cycling stability of electrochemical energy storage devices [88][89][90][91]. Furthermore, LDL

• has emerged as a powerful approach to fabricate advanced heterostructures and integrated electrode architectures, which are challenging to achieve through conventional synthesis methods in the development of high-performance energy storage and conversion devices [85][88][92][93][94][95][96]. The

Parylene-coated platinum nanowire electrodes for biomolecular sensing applications

• Chao Liu,
• Peker Milas,
• Michael G. Spencer and
• Birol Ozturk

Beilstein J. Nanotechnol. 2025, 16, 1392–1400, doi:10.3762/bjnano.16.101

• recent years due to their unique characteristics and size. Manufacturing steps, cost, and other shortcomings limit the widespread use and commercialization of nanoscale electrodes. In this work, a nano-size electrode fabricated by directed electrochemical nanowire assembly and parylene-C insulation is

• introduced. Results show that the diameter of the platinum nanowire and electrode tip length can be tuned down to 120 nm and 1.2 µm, respectively, where the exposed nanowires on the electrode tips are chemically active and their surfaces can be modified for specific biosensing applications. The biosensing

• biocompatibility, catalytic efficiency, and stability [24]. Parylene-C was utilized for the encapsulation and insulation of the electrodes. Dopamine and glucose were selected as analytes for testing biosensing capabilities of the electrodes. Nanoscale electrode growth steps are explained including nanowire growth

Enhancing the photoelectrochemical performance of BiOI-derived BiVO₄ films by controlled-intensity current electrodeposition

• Huu Phuc Dang,
• Khanh Quang Nguyen,
• Nguyen Thi Mai Tho and
• Tran Le

Beilstein J. Nanotechnol. 2025, 16, 1289–1301, doi:10.3762/bjnano.16.94

• ) using a reference electrode saturated with Ag/AgCl and platinum foil at various potentials vs Ag/AgCl. This process was adapted from the p-benzoquinone-based method reported by McDonald and Choi [19], in which benzoquinone serves as a redox mediator for BiOI formation. However, unlike the original study

• 2 h. Finally, the BiVO4 electrode was rinsed with 1 M NaOH to remove excess V2O5 from the surface, followed by rinsing with distilled water and drying at room temperature. The photoanode BiVO4 was named BiVO4(xy), where x indicates the current intensity for BiOI deposition, and y denotes the

• ) was employed to determine the chemical states of each photoanode. All photoanode morphologies were examined using field-emission transmission electron microscopy (FESEM, Hitachi SU8010). Photoelectrochemical measurements PEC experiments were performed in a conventional three-electrode cell using an

Transfer function of an asymmetric superconducting Gauss neuron

• Fedor A. Razorenov,
• Aleksander S. Ionin,
• Nikita S. Shuravin,
• Liubov N. Karelina,
• Mikhail S. Sidel’nikov,
• Sergey V. Egorov and
• Vitaly V. Bol’ginov

Beilstein J. Nanotechnol. 2025, 16, 1160–1170, doi:10.3762/bjnano.16.85

• in favor of superconducting neuromorphic devices. The subject of this study is the Gauss neuron [1][7][8][9][11][12][14], schematically depicted in Figure 1. It consists of three arms connected at a common point O and grounded to a shared electrode (Gnd). Two arms (“Josephson” or “input” ones) each

Soft materials nanoarchitectonics: liquid crystals, polymers, gels, biomaterials, and others

• Katsuhiko Ariga

Beilstein J. Nanotechnol. 2025, 16, 1025–1067, doi:10.3762/bjnano.16.77

• , electronic devices, and electrochemical energy conversion and storage. Marmisollé and colleagues conducted research on “electrochemical nanoarchitectonics through polyaminobenzylamine–dodecyl phosphate complexes” and proposed a straightforward strategy for modifying electrode surfaces with self-assembled

• involved the sequential organization of a colloidal suspension comprising polyaniline/polystyrene sulfonate and ZIF-8 MOF nanocrystals coated with polyallylamine hydrochloride (Figure 14). This functional electrode was designed to combine two key elements, that is, high surface area and porosity with

A calix[4]arene-based supramolecular nanoassembly targeting cancer cells and triggering the release of nitric oxide with green light

• Cristina Parisi,
• Loredana Ferreri,
• Tassia J. Martins,
• Francesca Laneri,
• Samantha Sollima,
• Antonina Azzolina,
• Antonella Cusimano,
• Nicola D’Antona,
• Grazia M. L. Consoli and
• Salvatore Sortino

Beilstein J. Nanotechnol. 2025, 16, 1003–1013, doi:10.3762/bjnano.16.75

• amperometric detection of this radical species through an ultrasensitive NO electrode while alternating cycles of light/dark. Figure 5C shows that the NO generation is achieved exclusively upon green light excitation of the nanoassembly and stops once the irradiation source is switched off. The quantum yield

• (λexc = 532 nm, 200 mW). NO measurements were carried out under stirring with the electrode positioned outside the light path to avoid NO signal artifacts due to photoelectric interference on the ISO-NO electrode. Fluorescence and photodecomposition quantum yields In a manner analogous to [71

Shape, membrane morphology, and morphodynamic response of metabolically active human mitochondria revealed by scanning ion conductance microscopy

• Eric Lieberwirth,
• Anja Schaeper,
• Regina Lange,
• Ingo Barke,
• Simone Baltrusch and
• Sylvia Speller

Beilstein J. Nanotechnol. 2025, 16, 951–967, doi:10.3762/bjnano.16.73

• each pixel, and upon detecting a preset current drop of 2% relative to the standby current, it retracts to a defined height (hopping height) [27][35]. In our measurements, the standby current was approximately 1 nA by applying a voltage of 0.15–0.40 V between the bath electrode and the nanopipette

• electrode, depending on the opening diameter of the nanopipette. The nanopipettes were fabricated using a P-2000 (Sutter Instrument, USA) from borosilicate capillaries with an outer diameter of 1 mm and an inner diameter of 0.58 mm. The resulting opening diameter of the pipettes ranged from 45 to 100 nm

• microtubule. Nanopipette, mitochondrion, and microtubule have negative ζ-potentials. In a physiological medium, a cation layer forms on the surface (its hydration shell is represented by the water molecules). These cations on the glass of the pipette move through the pipette electrode into the pipette. A

Synthesis of biowaste-derived carbon-dot-mediated silver nanoparticles and the evaluation of electrochemical properties for supercapacitor electrodes

• Navya Kumari Tenkayala,
• Chandan Kumar Maity,
• Md Moniruzzaman and
• Subramani Devaraju

Beilstein J. Nanotechnol. 2025, 16, 933–943, doi:10.3762/bjnano.16.71

• of Korea 10.3762/bjnano.16.71 Abstract Herein, biowaste- (from Pongammia pinnata leaves) derived carbon dots (CDs) have been utilized as a mediator for the production of silver nanoparticles (PG-CDs-AgNPs) as a superior supercapacitor electrode. The methodology presented here is inexpensive and

• environmentally friendly as CDs play a role as capping, reducing, and stabilizing agent without addition of any chemicals. PG-CDs-AgNPs showed a particle size of 10 nm having excellent fluorescence emission in the blue region, and it has been explored as an electrode material for supercapacitor applications. The

• as-synthesized PG-CDs-AgNPs electrode exhibited the maximum specific capacitance of 540 F/g in a three-electrode study. The asymmetric supercapacitor (ASC) device with PG-CDs-AgNPs as the positive electrode reached the maximum specific capacitance of 200 F/g having a superior energy density of 71 W·h

Structural and magnetic properties of microwave-synthesized reduced graphene oxide/VO₂/Fe₂O₃ nanocomposite

• Sumanta Sahoo,
• Ankur Sood and
• Sung Soo Han

Beilstein J. Nanotechnol. 2025, 16, 921–932, doi:10.3762/bjnano.16.70

• with graphene by applying MW irradiation for certain time intervals. In this context, Zhang et al. reported the synthesis of Ni-Co sulfide/graphene NC through MW irradiation at a power of 1000 W for 60 s [12]. As a supercapacitor (SC) electrode, the MW-synthesized NC displayed a specific capacitance of

• NC displayed good electrochemical performance as the SC electrode [13]. In another work, Kumar et al. reported the MW-assisted synthesis of Fe3O4/rGO NC using FeCl3 aqueous salt as the precursor [14]. Ferrocene, an Fe-based organometallic compound, was also utilized as the precursor for developing

Synchrotron X-ray photoelectron spectroscopy study of sodium adsorption on vertically arranged MoS₂ layers coated with pyrolytic carbon

• Alexander V. Okotrub,
• Anastasiya D. Fedorenko,
• Anna A. Makarova,
• Veronica S. Sulyaeva,
• Yuliya V. Fedoseeva and
• Lyubov G. Bulusheva

Beilstein J. Nanotechnol. 2025, 16, 847–859, doi:10.3762/bjnano.16.64

• /desorption; sodium vapor; XPS; Introduction Sodium-ion batteries (SIBs) attract increasing interest as a low-cost alternative to lithium-ion batteries due to the abundance and wide availability of sodium. Research in this field is currently focused on developing new electrode materials to increase the

Facile one-step radio frequency magnetron sputtering of Ni/NiO on stainless steel for an efficient electrode for hydrogen evolution reaction

• Ha Huu Do,
• Khac Binh Nguyen,
• Phuong N. Nguyen and
• Hoai Phuong Pham

Beilstein J. Nanotechnol. 2025, 16, 837–846, doi:10.3762/bjnano.16.63

• 700000, Vietnam 10.3762/bjnano.16.63 Abstract The advancement of affordable, ultrastable, and efficient electrode materials for basic hydrogen evolution reaction (HER) plays a crucial role in industrial hydrogen manufacture, resolving problems caused by carbon dioxide emissions. Ni-based

• efficiency. The evaluation of catalytic activities revealed that the optimal sample of Ni/NiO/SS-10 displayed a higher HER performance than bare SS. To produce H2 at a current density of 10 mA·cm−2, this electrode required a low overpotential of 184 mV and demonstrated remarkable durability over 12 h of

• synthesizing electrode materials in recent years because they offer a cleaner pathway than solution-based synthetic processes [20][21][22]. Among vacuum deposition methods, magnetron sputtering has been widely applied in industrial applications for fabricating thin films because of its advantages, such as good

Morphology and properties of pyrite nanoparticles obtained by pulsed laser ablation in liquid and thin films for photodetection

• Akshana Parameswaran Sreekala,
• Bindu Krishnan,
• Rene Fabian Cienfuegos Pelaes,
• David Avellaneda Avellaneda,
• Josué Amílcar Aguilar-Martínez and
• Sadasivan Shaji

Beilstein J. Nanotechnol. 2025, 16, 785–805, doi:10.3762/bjnano.16.60

• -effective method in which charged particles, dispersed in an organic medium, migrate towards the countercharged electrode upon the application of voltage, resulting in the formation of a thin coating [25]. Due to the vast variety of dimensions in terms of thickness of the deposit that is created, EPD spans

• electrode was coated with FeS2 nanoparticles. Spin coating of FeS2 nanoparticles Following EPD, FeS2 nanocolloids in IPA and DMF were individually spin-coated onto thin films for seeded growth, improved thickness, and to avail the use of the morphological characteristics of FeS2 nanoparticles in both

Nanostructured materials characterized by scanning photoelectron spectromicroscopy

• Matteo Amati,
• Alexey S. Shkvarin,
• Alexander I. Merentsov,
• Alexander N. Titov,
• María Taeño,
• David Maestre,
• Sarah R. McKibbin,
• Zygmunt Milosz,
• Ana Cremades,
• Rainer Timm and
• Luca Gregoratti

Beilstein J. Nanotechnol. 2025, 16, 700–710, doi:10.3762/bjnano.16.54

• - and n-doped ends. In practice, the electrode with the n-doped segment was grounded, while a bias of +0.4, 0, or −0.3 V was applied to the electrode with the p-doped segment, resulting in forward-biased, unbiased, and backward-biased conditions of the p–n junction. High-resolution In 3d core-level

The impact of tris(pentafluorophenyl)borane hole transport layer doping on interfacial charge extraction and recombination

• Konstantinos Bidinakis and
• Stefan A. L. Weber

Beilstein J. Nanotechnol. 2025, 16, 678–689, doi:10.3762/bjnano.16.52

• measured potential under 1 V bias minus the potential at dark/short-circuit conditions and x is the distance. For these measurements, we applied +1 V to the Au electrode to forward bias the device (Figure 3e–h and Supporting Information File 1, Section 5). The resulting magnitude of the electric field

• solution containing 15 mg PTAA, 7.5 μL, LiTFSI solution (170 mg in 1 mL acetonitrile), and 7.5 μL tBP solution (1:1 in acetonitrile), dissolved in 1 mL toluene. For the BCF batch, instead of LiTFSI and tBP, BCF was added in at an 8% mol ratio to PTAA. After the HTL deposition, an Au electrode was