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

• the charge transfer by electrons during tunneling through the tunnel SIN junction and the thermal noise of these same electrons as heat carriers: δIω2 is the power spectral density (PSD) of current fluctuations due to shot noise, δPω2 is the PSD of thermal fluctuations, and ⟨δPωδIω⟩ is the correlation

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

• evidence demonstrated that dual oxygen vacancies in Ni/Fe-LDHs create interfacial bonds that mitigate carrier localization effects and unfavorable influences during piezocatalysis and photocatalysis. These features promote exciton dissociation and charge transfer. Furthermore, the strong electronic

• carrier localization effects), or to interfacial electronic interactions that facilitate charge transfer. While these mechanisms may coexist, many publications lack the necessary control experiments (e.g., mechanical stimulation without light/oxidant, photocatalysis without stress, or defect-free samples

Electrical, photocatalytic, and sensory properties of graphene oxide and polyimide implanted with low- and medium-energy silver ions

• Josef Novák,
• Eva Štěpanovská,
• Petr Malinský,
• Vlastimil Mazánek,
• Jan Luxa,
• Ulrich Kentsch and
• Zdeněk Sofer

Beilstein J. Nanotechnol. 2025, 16, 1794–1811, doi:10.3762/bjnano.16.123

• catalytically active sites resulting from the carbonization of the polymer matrix, together with the silver clusters formed during ion implantation, provide suitable conditions for reactant adsorption and efficient charge transfer. Silver ions exhibit strong localized surface plasmon resonance in the visible

• the implanted samples. This suggests that the material itself without any intervention has limited ability to generate reactive oxygen species or facilitate charge transfer, which are both essential for efficient photocatalysis. There is a noticeable increase in the rate constant when low-energy Ag

• ions of 20 keV are implanted. This increase can be explained by the formation of defects in the GO surface layer, which increase the rate of electron excitation and facilitate subsequent charge transfer. At the same time, the implanted Ag ions can act as catalytic centers that improve the process of

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

• photocatalyst, it is essential to combine the photocatalyst’s performance with mechanistic knowledge under operando reaction conditions. APXPS is uniquely suited to investigate such systems. Its surface sensitivity enables the detection of charge transfer processes, reaction intermediates, and active sites

• under operando conditions. Additionally, the kinetics of charge transfer and the role of specific chemical species or components functioning as charge donors or acceptors during photocatalytic reactions can be clarified using APXPS. At MAX IV, external light sources (e.g., UV lamps or solar simulators

• provides unique insight into surface reactions, charge transfer, and interface stability, which are central to the performance and degradation mechanisms of electrochemical systems. Electrochemical interfaces can be studied by APXPS using two primary cell types, namely, membrane-based flow cells and “dip

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

• charge and discharge, facilitating the charge transfer processes [47][48][49]. As a result, parameters such as specific capacitance and cycling stability are enhanced [13]. In our case, high values of specific capacitance can be expected because of the developed surface of the silicon NPs prepared by

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

The role of biochar in combating microplastic pollution: a bibliometric analysis in environmental contexts

• Tuan Minh Truong Dang,
• Thao Thu Thi Huynh,
• Guo-Ping Chang-Chien and
• Ha Manh Bui

Beilstein J. Nanotechnol. 2025, 16, 1401–1416, doi:10.3762/bjnano.16.102

• and surface area, compared to other materials [37]. Biochar produced from carbon-, oxygen- and nitrogen-rich straw at low pyrolysis temperatures retains a large number of functional groups, which enhance charge transfer potential and adsorption stability through increased surface charge density

Automated collection and categorisation of STM images and STS spectra with and without machine learning

• Dylan Stewart Barker and
• Adam Sweetman

Beilstein J. Nanotechnol. 2025, 16, 1367–1379, doi:10.3762/bjnano.16.99

• closer to the surface, where the atom binds to the Ag(111), at which point charge transfer from the substrate to the molecule will return it to its neutral state [21]. Whilst carrying out bias spectroscopy over these SnPc molecules, it was found that a switch could occasionally be induced, even if the

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

• higher current densities and larger VO(acac)₂ volumes. This observation suggests that improved crystallinity enhances the structural uniformity of the VO4− tetrahedra, leading to more efficient charge-transfer pathways. Furthermore, the appearance of sharper and more intense Raman peaks with increasing

• the BiVO4(326) photoanode at 1.23 V vs RHE was 47%, which was higher than that under other conditions. This indicates that the formation of films with larger surface areas reduces the charge recombination rate and facilitates faster charge transfer rates. AC impedance measurements were performed on

• the photoanodes to assess their charge transfer capabilities. As shown in Figure 5d, BiVO4(326) exhibited a smaller impedance arc under illumination, indicating a minimal charge-transfer resistance. This is favorable for the rapid utilization of photogenerated holes in water oxidation reactions

Electronic and optical properties of chloropicrin adsorbed ZnS nanotubes: first principle analysis

• Prakash Yadav,
• Boddepalli SanthiBhushan and
• Anurag Srivastava

Beilstein J. Nanotechnol. 2025, 16, 1184–1196, doi:10.3762/bjnano.16.87

• functional theory (DFT) to explore the sensing capabilities of a ZnS (3,3) nanotube (ZnS NT) for detecting chloropicrin (CP, CCl3NO2), a highly toxic gas. To elucidate the sensing mechanism, we systematically analyze the adsorption configurations, Mulliken charge transfer, band structure, density of states

• adsorption energy ranges from −0.389 to −0.657 eV, indicating weak physisorption. The Mulliken charge transfer varies between 0.06e and 0.109e, confirming effective but nondestructive interaction. A favorable recovery time of ≈3.533 μs at room temperature, along with a significant red shift in the absorption

• highly toxic chemical warfare agent, remains an area with untapped potential. Addressing this gap, the present work constructs an armchair ZnS NT to investigate its adsorption configurations, charge transfer, band structure, density of states, optical absorption, and optical conductivity using a density

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

• the PG-CDs-AgNPs are displayed in Figure 5d. The charge-transfer resistance (Rct) in the high-frequency range is indicated by the semicircle diameter [39][40]. How facile electrons or ions can be moved throughout the electrode and electrolyte–electrode system is shown by the Rct [39][40]. The straight

• -CDs-AgNPs has a greater slope suggests that these particles have optimal supercapacitive properties and electrochemical activity. In the three-electrode investigation, PG-CDs-AgNPs showed better electrochemical activity overall in terms of capacitive performance, charge-transfer activity, and

Insights into the electronic and atomic structures of cerium oxide-based ultrathin films and nanostructures using high-brilliance light sources

• Paola Luches and
• Federico Boscherini

Beilstein J. Nanotechnol. 2025, 16, 860–871, doi:10.3762/bjnano.16.65

• photoemission, as compared to non-resonant photoemission. Synchrotron radiation-based resonant photoemission has facilitated an accurate determination of the dependence of Ce3+ concentration on dimensionality [23]. The technique has also provided an accurate description of the charge transfer processes and

• minimal changes with the same thermal treatments in vacuum [49]. The study allowed the authors to conclude that in 2 ML films vertical confinement and/or charge transfer from the platinum substrate, determine a higher reducibility than in 10 ML films [49]. This is evidenced by the greater Ce3

• supporting oxide was found to decrease with decreasing NP size [53], possibly due to a stronger interaction between Ag and cerium oxide in smaller NPs, resulting from a greater charge transfer per atom [54]. A further possibility offered by synchrotrons is to measure spatially resolved Ce M-edge absorption

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

• of this component is lower in the PyC-MoS2 spectrum measured after the total 30 min sodiation process. This is due to the lower charge transfer from sodium to the PyC component in the hybrid film as compared to the free PyC film, caused by its diffusion into the MoS2 component. According to the XPS

• that the PyC films transferred onto the surface of the SiO2/Si substrate and the MoS2 film have the same structure. After sodium deposition on the PyC film for 10 min and then 20 min, the sp2 peak shifts by 0.5 and 0.6 eV, respectively, towards higher binding energies. This shift is due to the charge

• transfer from sodium to the carbon layers. For PyC-MoS2, the shifts of the C 1s line caused by sodium deposition are smaller. A new high-energy component (Na-sp2) appearing at 286 and 285 eV in the spectra of sodiated PyC and PyC-MoS2 films, respectively, is due to carbon bonding with sodium. The intensity

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

• spectroscopy (EIS) was carried out at a voltage of −200 mV to confirm the HER kinetics. Figure 6c shows the Nyquist plots of the various electrodes accompanied by an equivalent circuit (inset of Figure 6c). Ni/NiO/SS-10 has a charge transfer resistance (Rct) of 5.35 Ω, which is much smaller than that of SS

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

• phase, where the accumulation of minority carriers near the interface leads to recombination and electron flow into the surface. Over time, a steady state is reached when the rate of hole influx at the interface balances charge transfer and recombination, resulting in a stable photocurrent. When the

• light is turned off, the process stops, and only residual electron movement remains. As the electron flux decays, any leftover holes are consumed by recombination and charge transfer, causing the current to return to zero with a negative overshoot. This justification suggests that since both the

Thickness dependent oxidation in CrCl₃: a scanning X-ray photoemission and Kelvin probe microscopies study

• Shafaq Kazim,
• Rahul Parmar,
• Maryam Azizinia,
• Matteo Amati,
• Muhammad Rauf,
• Andrea Di Cicco,
• Seyed Javid Rezvani,
• Dario Mastrippolito,
• Luca Ottaviano,
• Tomasz Klimczuk,
• Luca Gregoratti and
• Roberto Gunnella

Beilstein J. Nanotechnol. 2025, 16, 749–761, doi:10.3762/bjnano.16.58

• showed that oxygen adsorption on cleaved surfaces facilitates the formation of a stable structure with charge transfer signatures, as identified by high-resolution photoemission spectroscopy [8]. It remains unclear whether similar effects occur in exfoliated thin flakes. Like in other materials, the

• at 576 eV appeared because of the presence of Cl vacancies and the subsequent formation of reactive sites for the dissociation [16] of molecular oxygen to induce a stable phase of Cr–O–Cl [8]. We realized that the low-binding-energy component in Cr 2p3/2 is arising because of charge transfer effects

• . This turns the system from a surface Mott–Hubbard insulator to a charge-transfer [8] one in spite of Cr being an early transition metal [32]. What can be presumed from the present study is that Cl–O exchange following Cl vacancy formation is limited in very thin layers because of the limited diffusion

Functionalized gold nanoflowers on carbon screen-printed electrodes: an electrochemical platform for biosensing hemagglutinin protein of influenza A H1N1 virus

• Carlos Enrique Torres-Méndez,
• Sharmilee Nandi,
• Klara Martinovic,
• Patrizia Kühne,
• Yifan Liu,
• Sam Taylor,
• Maria Lysandrou,
• Maria Ines Berrojo Romeyro Mascarenhas,
• Viktoria Langwallner,
• Javier Enrique Sebastián Alonso,
• Ivana Jovanovic,
• Maike Lüftner,
• Georgia-Vasiliki Gkountana,
• David Bern,
• Abdul-Raouf Atif,
• Ehsan Manouchehri Doulabi,
• Gemma Mestres and
• Masood Kamali-Moghaddam

Beilstein J. Nanotechnol. 2025, 16, 540–550, doi:10.3762/bjnano.16.42

• was amplified by functionalization of the gold nanoflowers with 4-aminothiophenol, which resulted in a 100-fold decrease of the charge transfer resistance due to a tunneling effect. Subsequently, monoclonal antibodies against H1 were immobilized on the surface via covalent amide bond formation

• was coupled to an automated microfluidics system, and no significant decrease of the electrochemical signal was observed. Keywords: charge transfer; cyclic voltammetry; differential pulse voltammetry; electrochemical impedance spectroscopy; electrodeposition; Introduction Viral infections pose a

• electron charge transfer at the surface of the electrode. To the best of our knowledge, this is the first time that the charge transfer enhancement with 4-ATP, a small organic molecule with delocalized π-electron system, has been employed to improve the sensitivity of electrochemical biosensing of proteins

Water in nanoporous hexagonal boron nitride nanosheets: a first-principles study

• Juliana A. Gonçalves,
• Ronaldo J. C. Batista and
• Marcia C. Barbosa

Beilstein J. Nanotechnol. 2025, 16, 510–519, doi:10.3762/bjnano.16.39

• the high binding energy observed between water and porous h-BN, despite Mulliken analysis indicating no significant charge transfer. The calculated O–-H bond lengths suggest the presence of hydrogen bonding, and a comparison of binding energies obtained using PBE and BH functionals indicates that van

Pulsed laser in liquid grafting of gold nanoparticle–carbon support composites

• Madeleine K. Wilsey,
• Teona Taseska,
• Qishen Lyu,
• Connor P. Cox and
• Astrid M. Müller

Beilstein J. Nanotechnol. 2025, 16, 349–361, doi:10.3762/bjnano.16.26

• fibers, taking advantage of the high internal surface area of carbon fiber paper. The pulsed laser-grafted composites exhibited zero measurable charge transfer resistance between gold nanoparticles and the carbon support, leading to superior cathode performance over conventionally prepared electrodes for

• resistances (R) and capacitances at all interfaces and the electrolyte. In our EIS measurements, the most relevant circuit element is the charge transfer resistance (Rct) between the gold nanoparticles and the graphitic carbon support, measured at open circuit potential so that electrochemical reactions do

• -grafted gold nanoparticle–carbon fiber paper composites showed zero measurable charge transfer resistance (Figure 5B) and, therefore, excellent electrical contact. In contrast, chemically synthesized gold nanoparticles with citrate surfactants, electrostatically attached to hydrophilic carbon fiber paper

Emerging strategies in the sustainable removal of antibiotics using semiconductor-based photocatalysts

• Yunus Ahmed,
• Keya Rani Dutta,
• Parul Akhtar,
• Md. Arif Hossen,
• Md. Jahangir Alam,
• Obaid A. Alharbi,
• Hamad AlMohamadi and
• Abdul Wahab Mohammad

Beilstein J. Nanotechnol. 2025, 16, 264–285, doi:10.3762/bjnano.16.21

• generation of holes and electrons. Specifically, it contributed 70.1% of the holes and 29.9% of the electrons, in comparison to Co-doped TiO2 and N-doped TiO2 [60]. This can be attributed to the electron-trapping capabilities of Co ions, which enhance charge transfer and facilitate highly efficient electron

• potential difference is applied in heterojunction systems, electrons transfer from the conduction band (CB) of semiconductor 1 (SC1) to the CB of semiconductor 2 (SC2). At the same time, holes in the valence band (VB) of SC1 migrate to the VB of SC2. This charge transfer occurs in type-I heterojunctions, as

• heterojunctions are classified based on their charge transfer mechanism and the presence or absence of mediators. The direct Z-scheme relies on the direct electron transfer between photocatalysts; eliminating the electron mediator simplifies the design and enhances stability but may suffer from higher charge

Advanced atomic force microscopy techniques V

• Philipp Rahe,
• Ilko Bald,
• Nadine Hauptmann,
• Regina Hoffmann-Vogel,
• Harry Mönig and
• Michael Reichling

Beilstein J. Nanotechnol. 2025, 16, 54–56, doi:10.3762/bjnano.16.6

• carry out a more detailed characterization of the optoelectronic properties. Rothhardt et al. map the local work function on graphene nanoribbons [7]. They experimentally investigate the charge transfer between a gold substrate and graphene nanoribbons and compare that to DFT calculations. Indeed, the

Facile synthesis of size-tunable L-carnosine-capped silver nanoparticles and their role in metal ion sensing and catalytic degradation of p-nitrophenol

• Akash Kumar,
• Ridhima Chadha,
• Abhishek Das,
• Nandita Maiti and
• Rayavarapu Raja Gopal

Beilstein J. Nanotechnol. 2024, 15, 1576–1592, doi:10.3762/bjnano.15.124

• pristine silver nanospheres upon interaction. The appearance of the redshifted peak might be due to charge transfer or aggregation [7]. An increased nanoparticle size leads to a further redshift of the plasmonic peak [26]. Hydrodynamic size, zeta potential, and morphology of the ʟ-car-AgNPs are shown in

Electrochemical nanostructured CuBTC/FeBTC MOF composite sensor for enrofloxacin detection

• Thi Kim Ngan Nguyen,
• Tien Dat Doan,
• Huy Hieu Luu,
• Hoang Anh Nguyen,
• Thi Thu Ha Vu,
• Quang Hai Tran,
• Ha Tran Nguyen,
• Thanh Binh Dang,
• Thi Hai Yen Pham and
• Mai Ha Hoang

Beilstein J. Nanotechnol. 2024, 15, 1522–1535, doi:10.3762/bjnano.15.120

• sensors has some limitations associated with the low conductivity of MOFs. Therefore, the coupling with conducting materials, such as carbon-based materials, metal nanoparticles, and polymers, has been performed to enhance the electron charge transfer of MOFs [23][24]; single MOFs combined with carbon

• in the electrode material. Electrochemical property The Nyquist diagrams in Figure 5 were obtained using electrochemical impedance spectroscopy (EIS) in a 0.1 M KCl solution containing 5 mM [Fe(CN)6]3−/4−. Based on the EIS analysis, the charge transfer resistances (Rct) of CPE, CuBTC@CPE, and (Cu)(Fe

• Ω and significantly better conductivity [37], to the (Cu)(Fe)BTC@CPE led to reduction to about a third in Rct. This reduction in charge transfer resistance is advantageous for the enhancement of electrochemical oxidation on the electrode surface. Electrochemical behaviour of enrofloxacin on the (Cu

Integrating high-performance computing, machine learning, data management workflows, and infrastructures for multiscale simulations and nanomaterials technologies

• Fabio Le Piane,
• Mario Vozza,
• Matteo Baldoni and
• Francesco Mercuri

Beilstein J. Nanotechnol. 2024, 15, 1498–1521, doi:10.3762/bjnano.15.119

Out-of-plane polarization induces a picosecond photoresponse in rhombohedral stacked bilayer WSe₂

• Guixian Liu,
• Yufan Wang,
• Zhoujuan Xu,
• Zhouxiaosong Zeng,
• Lanyu Huang,
• Cuihuan Ge and
• Xiao Wang

Beilstein J. Nanotechnol. 2024, 15, 1362–1368, doi:10.3762/bjnano.15.109

• stacking depicted in Figure 1a as AB, where the tungsten atoms (W, blue dots) are positioned directly above the selenium atoms (Se, purple dots). This arrangement leads to charge transfer from the lower layer to the upper layer, resulting in downward polarization [24] (as shown by the black arrow in Figure