Potential of a deep eutectic solvent in silver nanoparticle fabrication for antibiotic residue detection

• Le Hong Tho,
• Bui Xuan Khuyen,
• Ngoc Xuan Dat Mai and
• Nhu Hoa Thi Tran

Beilstein J. Nanotechnol. 2024, 15, 426–434, doi:10.3762/bjnano.15.38

• the nanostructure and surface morphology of the nanoparticles, as well as the elemental distribution of silver on the substrate, a S4800 field-emission scanning electron microscope purchased from Hitachi, Japan, and an M4 TORNADOPlus Micro X-ray fluorescence spectrometer with a Rh tube at 30 W micro

Controllable physicochemical properties of WO_x thin films grown under glancing angle

• Rupam Mandal,
• Aparajita Mandal,
• Alapan Dutta,
• Rengasamy Sivakumar,
• Sanjeev Kumar Srivastava and
• Tapobrata Som

Beilstein J. Nanotechnol. 2024, 15, 350–359, doi:10.3762/bjnano.15.31

• −7 mbar). The thickness of the films was measured using a surface profilometer (Ambios, XP 200). The surface morphology of the as-deposited and the annealed films was acquired using tapping mode AFM (Asylum Research). AFM images were recorded at different places on each sample to confirm the film

Ultrasensitive and ultrastretchable metal crack strain sensor based on helical polydimethylsiloxane

• Shangbi Chen,
• Dewen Liu,
• Weiwei Chen,
• Huajiang Chen,
• Jiawei Li and
• Jinfang Wang

Beilstein J. Nanotechnol. 2024, 15, 270–278, doi:10.3762/bjnano.15.25

• with PDMS. Parts of the experimental procedure are shown in Figure S6 (Supporting Information File 1). Characterization The surface morphology of the samples prepared in this study was examined through the utilization of scanning electron microscopy (SEM) (TESCAN MIRA3, Czech Republic) and an optical

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

• observed in our study. Atomic force microscopy Surface examinations of the sample mixtures were performed. Figure 7 illustrates the surface morphology in a two-dimensional format. Three-dimensional images of the surface are in Supporting Information File 1, Figure S1. The roughness profile parameters for

• wavelengths. The maximum refractive indices values for layers with QDs were lower than those for pure P3HT:PC71BM. An increase in the roughness of the active layers with additives used in ternary solar cells was determined using surface morphology studies. The HOMO and LUMO levels of the studied nanodots were

SERS performance of GaN/Ag substrates fabricated by Ag coating of GaN platforms

• Magdalena A. Zając,
• Bogusław Budner,
• Malwina Liszewska,
• Bartosz Bartosewicz,
• Łukasz Gutowski,
• Jan L. Weyher and
• Bartłomiej J. Jankiewicz

Beilstein J. Nanotechnol. 2023, 14, 552–564, doi:10.3762/bjnano.14.46

• following the procedure described elsewhere [31][32]. The surface morphology depends on the time of photoetching and the overall dislocation density [32]. Next, the fabricated nanostructured GaN platforms were coated with a Ag layer using PLD and MS to form GaN/Ag SERS substrates (Figure 1). To compare SERS

• , 420, and 560 s, that is, with Ag layer thicknesses of 212 ± 2, 423 ± 5, 627 ± 4, and 833 ± 4 nm, respectively. The above thickness values were directly measured on a flat Si platform coated in the same processes as the GaN platforms. However, due to the different surface morphology of GaN platforms

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

• , Copyright (2021), with permission from Elsevier. This content is not subject to CC BY 4.0. Fabrication process of PPy nanofiber light-trapping coatings by ultrasonic spray coating. (Figure 9 was reproduced with permission from [29], Copyright 2021 American Chemical Society). Surface morphology of (a) filter

Structural, optical, and bioimaging characterization of carbon quantum dots solvothermally synthesized from o-phenylenediamine

• Zoran M. Marković,
• Milica D. Budimir,
• Martin Danko,
• Dušan D. Milivojević,
• Pavel Kubat,
• Danica Z. Zmejkoski,
• Vladimir B. Pavlović,
• Marija M. Mojsin,
• Milena J. Stevanović and
• Biljana M. Todorović Marković

Beilstein J. Nanotechnol. 2023, 14, 165–174, doi:10.3762/bjnano.14.17

• cytotoxic properties of CQDs and CQD/polyurethane composites. Results and Discussion Surface morphology Figure S1 (Supporting Information File 1) presents the surface morphology of the CQD samples. Figure S1a shows a TEM micrograph of CQDs. The average diameter of these dots is 4 ± 1 nm. A top-view AFM

• nm (Figure S1c,d in Supporting Information File 1). Figure 1 shows the surface morphology of neat PU and a CQDs/PU sample. The RMS roughness values of these samples are 4.45 and 14.04 nm, respectively. FTIR, UV–vis, and PL spectra of CQDs and CQDs/PU To study the chemical and optical properties of

Electrical and optical enhancement of ITO/Mo bilayer thin films via laser annealing

• Abdelbaki Hacini,
• Ahmad Hadi Ali,
• Nurul Nadia Adnan and
• Nafarizal Nayan

Beilstein J. Nanotechnol. 2022, 13, 1589–1595, doi:10.3762/bjnano.13.133

• 3.21 × 1014 lines/m2. Figure 2 displays the surface morphology in 3D images of ITO/Mo for the as-deposited and annealed samples. These images were scanned over an area of 1.0 × 1.0 µm using AFM. Figure 2 shows the different morphologies for as-deposited and annealed samples using a laser for different

A TiO₂@MWCNTs nanocomposite photoanode for solar-driven water splitting

• Anh Quynh Huu Le,
• Ngoc Nhu Thi Nguyen,
• Hai Duy Tran,
• Van-Huy Nguyen and
• Le-Hai Tran

Beilstein J. Nanotechnol. 2022, 13, 1520–1530, doi:10.3762/bjnano.13.125

• nanocomposite characterizations The surface morphology of MWCNTs and the TiO2@MWCNTs nanocomposite is characterized by using field-emission scanning electron microscopy (FE-SEM, S4800) and transmission electron microscopy (TEM, JEOL-1400). The crystallization behavior of the catalysts is analyzed by X-ray

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

• modified screen-printed carbon electrode Surface morphology and structural characterisation Field-emission scanning electron microscopy (FESEM) images of nanoparticles and their composites are depicted in Figure 2a–b, where the wrinkled regions represent specific patterns of different materials. In Figure

• Gr/SPCE surface, which was then labelled as AuNPs/Gr/SPCE. Morphological and structural studies of nanomaterials The surface morphology of the nanoparticles and their nanocomposites were analysed using a field-emission scanning electron microscope (model SU8030 Hitachi, Japan), equipped with an

Orally administered docetaxel-loaded chitosan-decorated cationic PLGA nanoparticles for intestinal tumors: formulation, comprehensive in vitro characterization, and release kinetics

• Sedat Ünal,
• Osman Doğan and
• Yeşim Aktaş

Beilstein J. Nanotechnol. 2022, 13, 1393–1407, doi:10.3762/bjnano.13.115

• potential (mV) was stated as the average of three subsequent measurements ± SD. Particle shape and surface morphology The shape and surface morphology of DCX-PLGA NPs and CS/DCX-PLGA NPs were investigated by SEM (Zeiss evo LS-10, Germany). For this purpose, NPs were covered with a 100 Å thick coating of

LED-light-activated photocatalytic performance of metal-free carbon-modified hexagonal boron nitride towards degradation of methylene blue and phenol

• Nirmalendu S. Mishra and
• Pichiah Saravanan

Beilstein J. Nanotechnol. 2022, 13, 1380–1392, doi:10.3762/bjnano.13.114

• turbostratic and poor crystalline nature of the as-synthesized MBN. The characteristic peak shift and widening can be attributed to the surface modification through simultaneous replacement of nitrogen atoms with larger carbon atoms [18][21][22]. The surface morphology of HBN, MBN-25, MBN-50, and MBN-80

Near-infrared photoactive Ag-Zn-Ga-S-Se quantum dots for high-performance quantum dot-sensitized solar cells

• Roopakala Kottayi,
• Ilangovan Veerappan and
• Ramadasse Sittaramane

Beilstein J. Nanotechnol. 2022, 13, 1337–1344, doi:10.3762/bjnano.13.110

• ]. Studies of Ag-Zn-Ga-S-Se QD-sensitized TiO2 NFs The surface morphology of AZGSSe/TiO2 was examined through HRTEM and EDX analysis. The HRTEM image (Figure 5a) shows the presence of AZGSSe QDs on the TiO2 NFs. The EDX spectrum (Figure 5b) shows the peaks of Ti, O, Ag, Zn, Ga, S, and Se. These analyses

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

• Ke Xu Yuzhe Liu School of Electrical & Control Engineering, Shenyang Jianzhu University, Shenyang 110168, China 10.3762/bjnano.13.104 Abstract As a tool that can test insulators' surface morphology and properties, the performance index of atomic force microscope (AFM) probes is the most critical

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

• content is not subject to CC BY 4.0. (f) Schematic diagram of the liquid flow-induced streaming potential in a natural microchannel. (a) Surface morphology of an Al2O3 layer. Figure 4a was reprinted with permission from [49], Copyright 2021 American Chemical Society. This content is not subject to CC BY

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

• slight changes of the peak positions by varying the silver fraction in the trimetallic catalysts (Figure S2a,b, Supporting Information File 1). The surface morphology of rGO-supported bimetallic (Ag-CuO and Ag-Co3O4) and trimetallic (ACC-1, ACC-2 and ACC-3) NPs, as well as the supportless ACC-2*, were

Self-assembly of C₆₀ on a ZnTPP/Fe(001)–p(1 × 1)O substrate: observation of a quasi-freestanding C₆₀ monolayer

• Guglielmo Albani,
• Michele Capra,
• Alessandro Lodesani,
• Alberto Calloni,
• Gianlorenzo Bussetti,
• Marco Finazzi,
• Franco Ciccacci,
• Alberto Brambilla,
• Lamberto Duò and
• Andrea Picone

Beilstein J. Nanotechnol. 2022, 13, 857–864, doi:10.3762/bjnano.13.76

• displayed in Figure 1b, where individual ZnTPP molecules are resolved. Figure 2 focuses on the surface morphology for a sub-monolayer coverage of C60 on the ZnTPP/Fe(001)–p(1 × 1)O substrate. C60 forms a compact film, composed of hexagonal domains extending for hundreds of nanometers. By considering that

Design and characterization of polymeric microneedles containing extracts of Brazilian green propolis

• Camila Felix Vecchi,
• Rafaela Said dos Santos,
• Jéssica Bassi da Silva and
• Marcos Luciano Bruschi

Beilstein J. Nanotechnol. 2022, 13, 503–516, doi:10.3762/bjnano.13.42

• structure of microneedles containing glycolic extract of propolis (G1 to G9); magnification 40×. Arrows represent locations where bubbles are present. Micrographs obtained by scanning electron microscopy (SEM) showing the surface morphology microneedles containing ethanolic extract of propolis (E1 to E9

• ); magnification 150×. Micrograph obtained by scanning electron microscopy (SEM) showing the surface morphology of microneedles containing glycolic extract of propolis (G1 to G9); magnification 150×. Response surface plots for height and base measurements of MNs containing EE or GE. The color scale is indicated in

A non-enzymatic electrochemical hydrogen peroxide sensor based on copper oxide nanostructures

• Irena Mihailova,
• Vjaceslavs Gerbreders,
• Marina Krasovska,
• Eriks Sledevskis,
• Valdis Mizers,
• Andrejs Bulanovs and
• Andrejs Ogurcovs

Beilstein J. Nanotechnol. 2022, 13, 424–436, doi:10.3762/bjnano.13.35

• ) shows the surface morphology of a thermally obtained copper oxide film. The resulting film is a homogeneous, polycrystalline oxide layer consisting of grains of arbitrary shape. In practice, this layer exhibits poor adhesion to the surface and can be easily damaged mechanically during post-processing

A chemiresistive sensor array based on polyaniline nanocomposites and machine learning classification

• Jiri Kroutil,
• Alexandr Laposa,
• Ali Ahmad,
• Jan Voves,
• Vojtech Povolny,
• Ladislav Klimsa,
• Marina Davydova and
• Miroslav Husak

Beilstein J. Nanotechnol. 2022, 13, 411–423, doi:10.3762/bjnano.13.34

• analysis. Further, statistical classification analysis was implemented for the evaluation of target gases. Scanning electron microscopy and Raman spectroscopy The surface morphology and uniformity of additives in PANI of the deposited active layers were examined by scanning electron microscopy (TESCAN

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

• the distance from the target axis is shown in Figure 9b. SEM images of the surface morphology at different distances from the target axis are shown in Figure 10. All films were densely packed, homogeneous, and crack-free. For X ≤ 30 mm, the surface is featureless and no grains are visible. Thin films

The effect of metal surface nanomorphology on the output performance of a TENG

• Yiru Wang,
• Xin Zhao,
• Yang Liu and
• Wenjun Zhou

Beilstein J. Nanotechnol. 2022, 13, 298–312, doi:10.3762/bjnano.13.25

• agglomerate. Results and Discussion The XRD data (Figure 4) were processed using the JADE software to calculate the average particle sizes. SEM micrographs were screened according to the surface morphology size of the nanoparticles and colored according to the nanoscale topography size (Figure 5 and Figure 6

• growth density of the copper nanocrystals. These conclusions may help in improving the output performance of TENGs through the control of the metal surface morphology. Energy band model of the metal–insulator contact electrification. The highest unoccupied intermediate trap state accepts electrons

Relationship between corrosion and nanoscale friction on a metallic glass

• Haoran Ma and
• Roland Bennewitz

Beilstein J. Nanotechnol. 2022, 13, 236–244, doi:10.3762/bjnano.13.18

• , pitting is always distributed along a line. Wang et al. [26] found that pitting occurs preferentially at the shear offsets on a pre-deformed Zr-based MG due to the higher chemical activity of offset sites compared with the surrounding flat region. This influence of surface morphology was also shown for

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

• dissolved in DMF [44]. They have also reported that the humidity had an effect on the surface morphology of the fibers. The increase of surface roughness of the fibers due to pore formation has been observed with the increase of relative humidity. The increase of fiber diameter with relative humidity can

Biocompatibility and cytotoxicity in vitro of surface-functionalized drug-loaded spinel ferrite nanoparticles

• Sadaf Mushtaq,
• Khuram Shahzad,
• Tariq Saeed,
• Anwar Ul-Hamid,
• Bilal Haider Abbasi,
• Nafees Ahmad,
• Waqas Khalid,
• Muhammad Atif,
• Zulqurnain Ali and
• Rashda Abbasi

Beilstein J. Nanotechnol. 2021, 12, 1339–1364, doi:10.3762/bjnano.12.99

• of the (311) plane [30]: where D is the average crystallite size, K = 0.94, λ = 1.54 Å is the X-ray wavelength, β represents the full width at half maximum (FWHM), and θ represents the Bragg's diffraction angle. The surface morphology and major elemental composition were obtained by high-resolution