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Search for "interface" in Full Text gives 872 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Graphical Abstract
  • a vital role in adhesion to the hydro–water interface and solid surfaces, providing an idea about the viability and permeability of the cell membrane under stress. As most of the cell surface carries a negative charge, metals with higher zeta potential can easily enter the cell and increase the
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Published 12 Mar 2024

Multiscale modelling of biomolecular corona formation on metallic surfaces

  • Parinaz Mosaddeghi Amini,
  • Ian Rouse,
  • Julia Subbotina and
  • Vladimir Lobaskin

Beilstein J. Nanotechnol. 2024, 15, 215–229, doi:10.3762/bjnano.15.21

Graphical Abstract
  • provide valuable insights into the mechanisms of lactose and protein deposition on aluminum surfaces, which can aid in the general understanding of protein corona formation. Keywords: all atomistic; aluminum; bionano interface; coarse grained model; lactose; milk protein; multiscale modelling; protein
  • corona; Introduction The interface between biological systems and engineered materials has gained significant attention in recent years because of its wide range of applications, spanning from food to medicine and environmental science [1][2]. This interface plays a crucial role in ensuring the safety
  • and quality of processed and packaged products. The selection of packaging materials and their interaction with biological components have emerged as critical determinants impacting the preservation, shelf life, and overall acceptability of dairy products [3]. Consequently, the interface between
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Published 13 Feb 2024

CdSe/ZnS quantum dots as a booster in the active layer of distributed ternary organic photovoltaics

  • Gabriela Lewińska,
  • Piotr Jeleń,
  • Zofia Kucia,
  • Maciej Sitarz,
  • Łukasz Walczak,
  • Bartłomiej Szafraniak,
  • Jerzy Sanetra and
  • Konstanty W. Marszalek

Beilstein J. Nanotechnol. 2024, 15, 144–156, doi:10.3762/bjnano.15.14

Graphical Abstract
  • were applied to gold foils. A system equipped with a Solartron 1260A frequency response analyzer, a Solartron 1296A dielectric interface, and a supervisory computer was prepared to determine the impedance parameters of the obtained structures. The impedance characteristics of the obtained samples were
  • combinations as part of the donor:acceptor blend is prompted by singlet excitons. This increases the electron transfer current, leading to higher efficiency. By incorporating quantum dots into active layers, the following effects were observed: boosted exciton formation, minimized interface charge
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Published 02 Feb 2024

In situ optical sub-wavelength thickness control of porous anodic aluminum oxide

  • Aleksandrs Dutovs,
  • Raimonds Popļausks,
  • Oskars Putāns,
  • Vladislavs Perkanuks,
  • Aušrinė Jurkevičiūtė,
  • Tomas Tamulevičius,
  • Uldis Malinovskis,
  • Iryna Olyshevets,
  • Donats Erts and
  • Juris Prikulis

Beilstein J. Nanotechnol. 2024, 15, 126–133, doi:10.3762/bjnano.15.12

Graphical Abstract
  • reflectance spectra after different anodization times together with simulated spectra using the TMM model function. The spectral shape is determined by the partial transmission at the electrolyte–PAAO interface and multiple reflections within the PAAO layer, which results in interference minima and maxima at
  • “Results and Discussion” section. The software source code is available on GitHub [42]. The anodization electronics (marked green in Figure 5) was galvanically isolated from the rest of the system and controlled using the wireless interface of the microcontroller (ESP8266, Espressif Systems). Voltage from
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Published 31 Jan 2024

Influence of conductive carbon and MnCo2O4 on morphological and electrical properties of hydrogels for electrochemical energy conversion

  • Sylwia Pawłowska,
  • Karolina Cysewska,
  • Yasamin Ziai,
  • Jakub Karczewski,
  • Piotr Jasiński and
  • Sebastian Molin

Beilstein J. Nanotechnol. 2024, 15, 57–70, doi:10.3762/bjnano.15.6

Graphical Abstract
  • Rs corresponds to solution resistance, Rct is related to charge transfer resistance at the interface of the solution and the electrode material, while CPE is a constant phase element, which represents capacitive performance of the electrode. The circuit parameters and their standard deviations were
  • , the results indicate that microporosity, and thus the electroactive surface area of the electrode, increases with a higher content of cCB in the hydrogel-MCO film. A slightly different trend can be observed for the charge transfer resistance Rct at the solution–film interface. The highest Rct is
  • –electrode interface. The latter can be also confirmed by the relatively high value of the solution resistance (1712 Ω) compared to that of the rest of the studied samples. Application of the hydrogel-based composite in oxygen evolution reaction for water splitting The improvement in the electrical
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Published 11 Jan 2024

unDrift: A versatile software for fast offline SPM image drift correction

  • Tobias Dickbreder,
  • Franziska Sabath,
  • Lukas Höltkemeier,
  • Ralf Bechstein and
  • Angelika Kühnle

Beilstein J. Nanotechnol. 2023, 14, 1225–1237, doi:10.3762/bjnano.14.101

Graphical Abstract
  • distorted by a very high drift velocity, only partly usable images, and images exhibiting an overall weak contrast. Moreover, we show that the semi-automatic analysis of periodic images can be applied to a long series containing hundreds of images measured at the calcite–water interface. Keywords: atomic
  • ]. Hence, many processes relevant at room temperature or elevated temperatures are impossible to study in a cryogenic environment. The same applies to SPM studies at the solid–liquid interface. For these measurements, the effect of thermal drift needs to be compensated. A variety of different strategies
  • used for evaluation. To demonstrate that unDrift can drift-correct these images by only considering (small) parts of an image, we show example images recorded at the calcite–water interface in Figure 4e,f. In our example, the sample drifted out of the scanner’s z range after the first third of the
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Published 28 Dec 2023

Spatial variations of conductivity of self-assembled monolayers of dodecanethiol on Au/mica and Au/Si substrates

  • Julian Skolaut,
  • Jędrzej Tepper,
  • Federica Galli,
  • Wulf Wulfhekel and
  • Jan M. van Ruitenbeek

Beilstein J. Nanotechnol. 2023, 14, 1169–1177, doi:10.3762/bjnano.14.97

Graphical Abstract
  • the use in applications, the properties of such layers of molecules and the interface they form with the metal substrate have to be investigated carefully and systematically. In order to achieve comparability between different types of molecules, ordered layers are favorable, which makes self
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Published 05 Dec 2023

A multi-resistance wide-range calibration sample for conductive probe atomic force microscopy measurements

  • François Piquemal,
  • Khaled Kaja,
  • Pascal Chrétien,
  • José Morán-Meza,
  • Frédéric Houzé,
  • Christian Ulysse and
  • Abdelmounaim Harouri

Beilstein J. Nanotechnol. 2023, 14, 1141–1148, doi:10.3762/bjnano.14.94

Graphical Abstract
  • , repeatability, and exactness [41][42]. The formation of a humidity-induced water meniscus at the tip–sample interface, the presence of surface contamination, and thermal drifts induce significant instabilities in C-AFM measurements [42][43]. Moreover, local overheating and anodic oxidation phenomena are
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Published 22 Nov 2023

Density functional theory study of Au-fcc/Ge and Au-hcp/Ge interfaces

  • Olga Sikora,
  • Małgorzata Sternik,
  • Benedykt R. Jany,
  • Franciszek Krok,
  • Przemysław Piekarz and
  • Andrzej M. Oleś

Beilstein J. Nanotechnol. 2023, 14, 1093–1105, doi:10.3762/bjnano.14.90

Graphical Abstract
  • . Our DFT calculations for the Au-fcc(011)/Ge(001) junction show how the presence of defects in the interface layer can help to stabilize the atomic pattern, consistent with microscopic images. Although the Au-hcp/Ge interface is characterized by a similar interface energy, it reveals large atomic
  • structure; hexagonal gold; interface energy; Introduction Heterophase interfaces are responsible for unique properties of many advanced devices designed for electronics and other applications [1]. Understanding the formation and energetics of interfaces is highly important for the nucleation of new
  • . Recently, nanostructures including different polytypes of gold have been observed in various experiments and have gained interest regarding potential applications. For example, the interface regions of polytypic gold nanorods were found to be highly active in catalysis [15]. The hexagonal phases seen in
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Published 15 Nov 2023

Dual-heterodyne Kelvin probe force microscopy

  • Benjamin Grévin,
  • Fatima Husainy,
  • Dmitry Aldakov and
  • Cyril Aumaître

Beilstein J. Nanotechnol. 2023, 14, 1068–1084, doi:10.3762/bjnano.14.88

Graphical Abstract
  • reference substrate, a bulk organic photovoltaic heterojunction thin film, and an optoelectronic interface obtained by depositing caesium lead bromide perovskite nanosheets on a graphite surface. The conclusion provides perspectives for future improvements and applications. Keywords: heterodyne
  • interface. Since the early 90’s, a variety of approaches have been implemented to improve KPFM performances in terms of spatial, potentiometric, and temporal resolution. Several research teams continue to work in this direction and KPFM is still an evolving technique in many aspects. In particular, the
  • sign on both sides of the D–A interface. In the context of this work, it is also worth recalling that KPFM investigations are carried out in an "open circuit voltage" configuration. In such a geometry, the surface photovoltage probed under continuous-wave illumination results from a balance between the
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Published 07 Nov 2023

Experimental investigation of usage of POE lubricants with Al2O3, graphene or CNT nanoparticles in a refrigeration compressor

  • Kayhan Dağıdır and
  • Kemal Bilen

Beilstein J. Nanotechnol. 2023, 14, 1041–1058, doi:10.3762/bjnano.14.86

Graphical Abstract
  • interface between particles and the liquid in a solid–liquid suspension, enhancing the interfacial area can result in more effective thermal transport properties. Smaller particle sizes result in higher surface-to-volume ratios, consequently raising the thermal conductivity of the liquid. This is attributed
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Published 02 Nov 2023

A visible-light photodetector based on heterojunctions between CuO nanoparticles and ZnO nanorods

  • Doan Nhat Giang,
  • Nhat Minh Nguyen,
  • Duc Anh Ngo,
  • Thanh Trang Tran,
  • Le Thai Duy,
  • Cong Khanh Tran,
  • Thi Thanh Van Tran,
  • Phan Phuong Ha La and
  • Vinh Quang Dang

Beilstein J. Nanotechnol. 2023, 14, 1018–1027, doi:10.3762/bjnano.14.84

Graphical Abstract
  • major carriers. ZnO is a commonly known n-type material, where electrons are dominant. The Fermi levels of both materials will be aligned, which will result in energy band bending at the interface. To achieve the equilibrium state, electrons from ZnO NRs are diffused to CuO NPs while holes are
  • transferred from CuO NPs to ZnO NRs. As a result, a space charge region is created at the heterojunction interface, and an internal electric field is formed. Under visible-light illumination (Figure 7b), while charge carriers are not generated inside ZnO NRs because of the large bandgap, electron–hole pair
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Published 13 Oct 2023

Exploring internal structures and properties of terpolymer fibers via real-space characterizations

  • Michael R. Roenbeck and
  • Kenneth E. Strawhecker

Beilstein J. Nanotechnol. 2023, 14, 1004–1017, doi:10.3762/bjnano.14.83

Graphical Abstract
  • such features were ever observed. There are shallow topographical gradations near the outer edges of the fiber (Figure 2c), but these are distinct from the sharp changes at the skin–core interface we observed in Kevlar®. Moreover, there are no clear stiffness variations near the periphery compared to
  • observed from lateral line scans (Figure 7c). However, these interfaces are not uniformly compliant, that is, different interfaces exhibit unique ET values. Each one is consistent along the fiber axis (i.e., the stiffness along any particular interface is uniform), but they are not consistent with one
  • that the skin–core interface dominates the ultimate tensile strength of Kevlar®, as evidenced by a “sword-in-sheath” pullout of the core from the skin during tensile tests [23]. Kevlar® fibers with larger skins typically exhibit higher tensile strength as well, suggesting that the load-bearing
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Published 05 Oct 2023

Two-dimensional molecular networks at the solid/liquid interface and the role of alkyl chains in their building blocks

  • Suyi Liu,
  • Yasuo Norikane and
  • Yoshihiro Kikkawa

Beilstein J. Nanotechnol. 2023, 14, 872–892, doi:10.3762/bjnano.14.72

Graphical Abstract
  • this review, we focus on the role of alkyl chains in the formation of ordered 2D assemblies at the solid/liquid interface. The alkyl chain effects on the 2D assemblies are introduced together with examples documented in the past decades. Keywords: alkyl chains; scanning tunneling microscopy; self
  • -assembly; solid/liquid interface; two-dimensional networks; Introduction The fabrication of ordered nanostructures using the concept of nanoarchitectonics [1][2][3][4] for various applications such as nanomachines, nanoelectronics, catalysis, and nanopatterning remains challenging [5][6][7]. Design and
  • instruments as well as thermally stable samples that do not decompose under sublimation during sample preparation. By contrast, STM at the solid/liquid interface is efficient for various sample types and requires only a simple apparatus [24]. Physisorbed monolayers at the solid/liquid interface have been
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Published 23 Aug 2023

Silver-based SERS substrates fabricated using a 3D printed microfluidic device

  • Phommachith Sonexai,
  • Minh Van Nguyen,
  • Bui The Huy and
  • Yong-Ill Lee

Beilstein J. Nanotechnol. 2023, 14, 793–803, doi:10.3762/bjnano.14.65

Graphical Abstract
  • assembled into a monolayer on a liquid/air interface and deposited onto a porous silicon array prepared through a metal-assisted chemical etching approach. By using the developed microfluidic device, enhancement factors of the Raman signal for rhodamine B (at 10−9 M) and melamine (at 10−7 M) of 8.59 × 106
  • submerged in concentrated HNO3, rinsed with deionized water, and then dried at room temperature to produce the PS substrates. Fabrication of the SERS substrate The deposition of Ag particles on the substrates is based on the SAM method. Colloidal Ag NPs solutions were generated at the methanol/air interface
  • monolayer of Ag NPs appeared at the methanol/air interface. The PS@Ag substrates were created by depositing a monolayer of Ag NPs on the substrate surface after allowing the methanol to slowly evaporate under ambient conditions. SERS substrate characterization Raman spectra were obtained using a 24 mW laser
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Published 21 Jul 2023

Silver nanoparticles loaded on lactose/alginate: in situ synthesis, catalytic degradation, and pH-dependent antibacterial activity

  • Nguyen Thi Thanh Tu,
  • T. Lan-Anh Vo,
  • T. Thu-Trang Ho,
  • Kim-Phuong T. Dang,
  • Van-Dung Le,
  • Phan Nhat Minh,
  • Chi-Hien Dang,
  • Vinh-Thien Tran,
  • Van-Su Dang,
  • Tran Thi Kim Chi,
  • Hieu Vu-Quang,
  • Radek Fajgar,
  • Thi-Lan-Huong Nguyen,
  • Van-Dat Doan and
  • Thanh-Danh Nguyen

Beilstein J. Nanotechnol. 2023, 14, 781–792, doi:10.3762/bjnano.14.64

Graphical Abstract
  • agents [33]. The efficiency of the catalyst can be improved by studying different carrier materials [34][35]. Interface factors, including morphology and capping agents, play a significant role in the catalytic activity of AgNPs. The ionotropic gelation mechanism has been recently employed to create
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Published 04 Jul 2023

In situ magnesiothermic reduction synthesis of a Ge@C composite for high-performance lithium-ion batterie anodes

  • Ha Tran Huu,
  • Ngoc Phi Nguyen,
  • Vuong Hoang Ngo,
  • Huy Hoang Luc,
  • Minh Kha Le,
  • Minh Thu Nguyen,
  • My Loan Phung Le,
  • Hye Rim Kim,
  • In Young Kim,
  • Sung Jin Kim,
  • Van Man Tran and
  • Vien Vo

Beilstein J. Nanotechnol. 2023, 14, 751–761, doi:10.3762/bjnano.14.62

Graphical Abstract
  • compositions such as Li7Ge2, Li9Ge4, and Li22Ge2 [53][54][55]. The remaining shoulder can be ascribed to the decomposition of the electrolyte and the formation of solid–electrolyte interface (SEI) layers [55][56]. In the following cycles, the signal of the SEI layer formation at a potentials of 0.3 V vs Li/Li
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Published 26 Jun 2023

Cross-sectional Kelvin probe force microscopy on III–V epitaxial multilayer stacks: challenges and perspectives

  • Mattia da Lisca,
  • José Alvarez,
  • James P. Connolly,
  • Nicolas Vaissiere,
  • Karim Mekhazni,
  • Jean Decobert and
  • Jean-Paul Kleider

Beilstein J. Nanotechnol. 2023, 14, 725–737, doi:10.3762/bjnano.14.59

Graphical Abstract
  • . Additionally, the detected surface potential change related to the space charge region at the GaInAsP:Zn/GaInAs:Zn interface is higher and closer to the simulation. As described in the Experimental section (“Kelvin probe force microscopy”), the SPV can be calculated by applying Equation 2 to the experimental
  • defects is responsible for reducing the carrier lifetime, or by the lack of a true ohmic contact between the sample holder and the n-type InP substrate during the KPFM measurement. In the second case, a potential barrier would be present at the metal contact/n-InP substrate interface, which could reduce
  • along the x axis. Several regions along the structure have been highlighted using different colours (see text). The black arrow indicates the space charge region at the InP:nid/InP:Zn interface. SPV profile along the structure calculated from the values of VCPD/dark and VCPD/light shown in the profiles
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Published 14 Jun 2023

Humidity-dependent electrical performance of CuO nanowire networks studied by electrochemical impedance spectroscopy

  • Jelena Kosmaca,
  • Juris Katkevics,
  • Jana Andzane,
  • Raitis Sondors,
  • Liga Jasulaneca,
  • Raimonds Meija,
  • Kiryl Niherysh,
  • Yelyzaveta Rublova and
  • Donats Erts

Beilstein J. Nanotechnol. 2023, 14, 683–691, doi:10.3762/bjnano.14.54

Graphical Abstract
  • chemisorption and physisorption at the nanowire interface, which suppress electronic transport inside the p-type semiconductor nanowire but enhance ionic transport in the water layers adsorbed on the nanowire surface. Possible physicochemical processes at the nanowire surface are discussed in line with
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Published 05 Jun 2023

Metal-organic framework-based nanomaterials as opto-electrochemical sensors for the detection of antibiotics and hormones: A review

  • Akeem Adeyemi Oladipo,
  • Saba Derakhshan Oskouei and
  • Mustafa Gazi

Beilstein J. Nanotechnol. 2023, 14, 631–673, doi:10.3762/bjnano.14.52

Graphical Abstract
  • conductometric sensors at various frequencies. In potentiometric sensors, a local equilibrium is created at the sensor–analyte interface, and when no current is present, the composition or concentration of the analyte is determined from the potential difference (voltage) between the working and the reference
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Published 01 Jun 2023

ZnO-decorated SiC@C hybrids with strong electromagnetic absorption

  • Liqun Duan,
  • Zhiqian Yang,
  • Yilu Xia,
  • Xiaoqing Dai,
  • Jian’an Wu and
  • Minqian Sun

Beilstein J. Nanotechnol. 2023, 14, 565–573, doi:10.3762/bjnano.14.47

Graphical Abstract
  • . Figure 2c clearly shows the two kinds of interfaces, that is (1) the interface between a SiC core and a carbon shell and (2) the interface between the carbon phase and a ZnO particle. The (111) and (002) interplane spacings of, respectively, β-SiC and ZnO can be seen (Figure 2d,f), while the carbon is an
  • that there are some fluctuations in the high-frequency range (10–16 GHz), which are called Debye relaxation peaks. These peaks are caused by shape anisotropy or surface polarization. For the SCZ samples, the unique core–shell structure and the interface polarization effect between different phases may
  • ]. Furthermore, the introduction of immobilized ZnO particles on the carbon surface may result in the formation of capacitor-like structures at the heterogeneous interface between carbon and ZnO (Figure 7a) [31]. Also, the heterogeneous interface among the SiCnw core, the porous carbon shell, and the ZnO
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Published 04 May 2023

Observation of multiple bulk bound states in the continuum modes in a photonic crystal cavity

  • Rui Chen,
  • Yi Zheng,
  • Xingyu Huang,
  • Qiaoling Lin,
  • Chaochao Ye,
  • Meng Xiong,
  • Martijn Wubs,
  • Yungui Ma,
  • Minhao Pu and
  • Sanshui Xiao

Beilstein J. Nanotechnol. 2023, 14, 544–551, doi:10.3762/bjnano.14.45

Graphical Abstract
  • heterostructure interface, as drawn in the inset of Figure 2a. The in-plane momentum of an infinite system could be selected to any value. However, in a finite-lattice system, the continuous band of structures splits into a series of discrete modes located at discrete points with distance δk = π/Leff in the
  • bandgap heterostructure, respectively. Na, Nb, Pa = p, and Pb are the number of nanoblocks and lattice periods in regions A and B, respectively. Inset: the transition region at the interface between the two regions. (b) Band diagram of the structures in regions A and B. (c) The momentum distribution of
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Published 27 Apr 2023

Nanoarchitectonics to entrap living cells in silica-based systems: encapsulations with yolk–shell and sepiolite nanomaterials

  • Celia Martín-Morales,
  • Jorge Fernández-Méndez,
  • Pilar Aranda and
  • Eduardo Ruiz-Hitzky

Beilstein J. Nanotechnol. 2023, 14, 522–534, doi:10.3762/bjnano.14.43

Graphical Abstract
  • and Figure 3D show that several yeast cells are embedded in the transparent silica matrix, featuring a visible interface resulting from the shellization process. The G57-4 silica gel materials with embedded yeasts were studied in further detail using the environmental SEM/EDS equipment described below
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Published 25 Apr 2023

Conjugated photothermal materials and structure design for solar steam generation

  • Chia-Yang Lin and
  • Tsuyoshi Michinobu

Beilstein J. Nanotechnol. 2023, 14, 454–466, doi:10.3762/bjnano.14.36

Graphical Abstract
  • efficiency, solar energy absorbers with various structures have been fabricated. Different structures have their advantages. Overall, the main purpose is to increase light absorption, increase evaporate interface area, and minimize heat loss to the environment. Janus structures are often applied to SSG
  • observations (Figure 12a). These materials can stably float at the air–water interface (Figure 12b). The water contact angle of the bulk materials was as high as 130° without any surface modification (Figure 12c). Hydrophobic foams are considered to have advantages over hydrophilic foams, such as a greater
  • of the foam floating at the air–water interface. (c) The water contact angle of the foam. (d–f) Time-dependent mass changes with and without the evaporator foam under different optical concentrations. Figure 12 was adapted from [34] (“A durable monolithic polymer foam for efficient solar steam
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Published 04 Apr 2023

Molecular nanoarchitectonics: unification of nanotechnology and molecular/materials science

  • Katsuhiko Ariga

Beilstein J. Nanotechnol. 2023, 14, 434–453, doi:10.3762/bjnano.14.35

Graphical Abstract
  • expression through nanoarchitectonics. Shi and co-workers created nanoparticle surfactants at liquid–liquid interfaces by exploiting the interaction between nanoparticles and polymer ligands [101]. They showed that a size-dependent aggregation of nanoparticle surfactants can be generated at the interface
  • heterojunction interface (Figure 10) [126]. This synthesis strategy is based on the difference in dissociation energies of C–Br and C–I bonds. The growth order of the block copolymers of graphene nanoribbons can be controlled. Such heterojunctions provide a viable platform that can be used directly for
  • this method, one precursor is vaporized and the other precursor is introduced to the surface in advance, allowing coupling reactions to occur at the solid–vapor interface. Various two-component chemical reactions can be applied to this methodology, not limited to the Schiff base reaction they reported
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Published 03 Apr 2023
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