Search results

Search for "nanostructures" in Full Text gives 803 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Gold nanomakura: nanoarchitectonics and their photothermal response in association with carrageenan hydrogels

  • Nabojit Das,
  • Vikas,
  • Akash Kumar,
  • Sanjeev Soni and
  • Raja Gopal Rayavarapu

Beilstein J. Nanotechnol. 2024, 15, 678–693, doi:10.3762/bjnano.15.56

Graphical Abstract
  • temperature rise for DTAB-AuNR and CTAB-AuNR was attained up to ≈11.3 and ≈9.9 °C, respectively. Discussion In this work, we adopted a seed-mediated approach to synthesize anisotropic nanostructures, viz., pillow shaped named as nanomakura (makura is a Japanese word meaning “pillow”). Surfactants belonging to
  • different in terms of synthesis protocol and chemical constituents used. The main synthesis goal of this work was to study the effect of the carbon tail length of surfactants on the morphology of the synthesized nanostructures. Thus, keeping every parameter constant except the surfactant type during the
  • reaction was paramount. The AgNO3 to ascorbic acid ratio was kept uniform in respective growth solutions containing CTAB, MTAB, and DTAB of the same concentration to facilitate longitudinal growth of the nanostructures. The disappearance of the yellow colour into a transparent growth solution upon
PDF
Album
Supp Info
Full Research Paper
Published 07 Jun 2024

Laser synthesis of nanoparticles in organic solvents – products, reactions, and perspectives

  • Theo Fromme,
  • Sven Reichenberger,
  • Katharine M. Tibbetts and
  • Stephan Barcikowski

Beilstein J. Nanotechnol. 2024, 15, 638–663, doi:10.3762/bjnano.15.54

Graphical Abstract
PDF
Album
Review
Published 05 Jun 2024

Exfoliation of titanium nitride using a non-thermal plasma process

  • Priscila Jussiane Zambiazi,
  • Dolores Ribeiro Ricci Lazar,
  • Larissa Otubo,
  • Rodrigo Fernando Brambilla de Souza,
  • Almir Oliveira Neto and
  • Cecilia Chaves Guedes-Silva

Beilstein J. Nanotechnol. 2024, 15, 631–637, doi:10.3762/bjnano.15.53

Graphical Abstract
  • and Konstantin Novoselov in 2004 [1], the field of nanostructures has witnessed remarkable advancements. Various methods to fabricate graphene, such as mechanical and chemical exfoliation, combined with innovative characterization techniques, have enabled the preparation of diverse layered two
PDF
Album
Letter
Published 31 May 2024

Directed growth of quinacridone chains on the vicinal Ag(35 1 1) surface

  • Niklas Humberg,
  • Lukas Grönwoldt and
  • Moritz Sokolowski

Beilstein J. Nanotechnol. 2024, 15, 556–568, doi:10.3762/bjnano.15.48

Graphical Abstract
  • step edges. Keywords: Ag(100); intermolecular hydrogen bonds; one-dimensional aggregates; organic nanostructures; quinacridone; step-molecule interactions; vicinal surface; Introduction A versatile and powerful method to create nanostructures on surfaces is the self-assembly of atoms and molecules
  • . Here, the physical and chemical properties of the substrate and the adsorbate are the key that can be tuned to create nanostructures that fit specific needs [1][2][3][4]. A research focus over the recent years has been the self-assembly of molecules or atoms into one-dimensional (1D) linear aggregates
  • , which can be used to direct the growth of nanostructures of adsorbates. The adsorption at step edges, as opposed to that on the terraces in between, is often favored because the additional interactions between the adsorbate and the atoms of the step edge contribute to the adsorption energy Eads. This
PDF
Album
Supp Info
Full Research Paper
Published 21 May 2024

Electron-induced deposition using Fe(CO)4MA and Fe(CO)5 – effect of MA ligand and process conditions

  • Hannah Boeckers,
  • Atul Chaudhary,
  • Petra Martinović,
  • Amy V. Walker,
  • Lisa McElwee-White and
  • Petra Swiderek

Beilstein J. Nanotechnol. 2024, 15, 500–516, doi:10.3762/bjnano.15.45

Graphical Abstract
  • nanostructures produced by FEBID are of interest for diverse applications including magnetic data storage devices [4][5][6], tips for magnetic force microscopy [4][7], or sensors [4][8]. The same applies to cobalt nanostructures, which can be prepared with high purity and shape fidelity using, in particular, the
  • ) trifluoroacetylacetonate (Au(tfac)Me2) [16] or neopentasilane (Si5H12) [17] to produce Fe–Au alloy nanostructures and Fe–Si binary compounds, respectively. More recently, diiron nonacarbonyl (Fe2(CO)9) has received particular attention [5][6][18][19][20]. With this precursor and applying high beam energies, nanopillars
  • electron beam-induced surface activation (EBISA) [24][25], it can compromise spatial control by the electron beam and selectivity when aiming for 3D nanostructures [3][26]. Strategies to suppress autocatalytic deposit growth are thus desirable to devise FEBID processes with optimum performance [27
PDF
Album
Supp Info
Full Research Paper
Published 08 May 2024

Aero-ZnS prepared by physical vapor transport on three-dimensional networks of sacrificial ZnO microtetrapods

  • Veaceslav Ursaki,
  • Tudor Braniste,
  • Victor Zalamai,
  • Emil Rusu,
  • Vladimir Ciobanu,
  • Vadim Morari,
  • Daniel Podgornii,
  • Pier Carlo Ricci,
  • Rainer Adelung and
  • Ion Tiginyanu

Beilstein J. Nanotechnol. 2024, 15, 490–499, doi:10.3762/bjnano.15.44

Graphical Abstract
  • processes, including those related to oxygen species adsorbed by the huge surface of the aeromaterial, as previously observed in ZnS nanostructures [42]. Some of these states may be related to oxygen vacancies and complex centers. Under ambient conditions, some oxygen species from the air are adsorbed at
PDF
Album
Full Research Paper
Published 02 May 2024

Heat-induced morphological changes in silver nanowires deposited on a patterned silicon substrate

  • Elyad Damerchi,
  • Sven Oras,
  • Edgars Butanovs,
  • Allar Liivlaid,
  • Mikk Antsov,
  • Boris Polyakov,
  • Annamarija Trausa,
  • Veronika Zadin,
  • Andreas Kyritsakis,
  • Loïc Vidal,
  • Karine Mougin,
  • Siim Pikker and
  • Sergei Vlassov

Beilstein J. Nanotechnol. 2024, 15, 435–446, doi:10.3762/bjnano.15.39

Graphical Abstract
  • organics. However, when the size of the structures is reduced to the nanoscale, metals exhibit distinct behavior at elevated temperatures compared to their larger counterparts [20][21]. Generally, a reduction in the melting point occurs as the size and dimensionality of the nanostructures decrease [20][22
  • for various novel applications where arrays of metal nanostructures are used, such as surface-enhanced Raman spectroscopy substrates [36][37][38]. In this work, we deposited Ag NWs on specially patterned silicon (Si) substrates, so large fractions of NWs are partially suspended over the holes. Samples
PDF
Album
Supp Info
Full Research Paper
Published 22 Apr 2024

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

Graphical Abstract
  • biosensors are commonly made of LSPR materials [17]. With the development of synthesis techniques, numerous nanostructures of noble metals have been extensively studied to improve the intrinsic parameters of sensors. Silver nanoparticles (Ag NPs) exhibit great performance in sensing applications owing to the
  • presence of the fcc Ag lattice planes, we claim that Ag NPs-DES have been successfully synthesized [41]. The development of clusters into nanoparticles following our strategy is supported by the DES. DESs have been reported to be potential shape-controlling agents, and highly branched nanostructures were
PDF
Album
Full Research Paper
Published 16 Apr 2024

Investigating ripple pattern formation and damage profiles in Si and Ge induced by 100 keV Ar+ ion beam: a comparative study

  • Indra Sulania,
  • Harpreet Sondhi,
  • Tanuj Kumar,
  • Sunil Ojha,
  • G R Umapathy,
  • Ambuj Mishra,
  • Ambuj Tripathi,
  • Richa Krishna,
  • Devesh Kumar Avasthi and
  • Yogendra Kumar Mishra

Beilstein J. Nanotechnol. 2024, 15, 367–375, doi:10.3762/bjnano.15.33

Graphical Abstract
  • structures. Although these structures may not be visible to the naked eye, they certainly have a visible impact on the mentioned applications. Nanopatterning is a very delicate procedure that is only possible with special techniques such as ion beam sputtering (IBS), with which one can achieve nanostructures
  • observed [15], which may be achieved by altering the ion incidence angle [16]. However, there are some inconsistencies and replicability issues between the studies, which might mean that other experimental parameters might be important for the formation of these nanostructures. Computational studies have
PDF
Album
Supp Info
Full Research Paper
Published 05 Apr 2024

Controllable physicochemical properties of WOx 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

Graphical Abstract
  • [2]. WOx nanostructures, exhibiting high chemical and thermal stability, and structural flexibility, have obvious relevance in areas such as photocatalysis [22], electrochromism [23], supercapacitors [24], and lithium batteries [25] and have undergone extensive investigations during the last decades
  • . In this respect, the use of glancing angle deposition (GLAD) to produce high-aspect-ratio nanostructures has certain advantages in terms of a wide range of structural possibilities (such as screws and helical or columnar structures) and reduced complexity (no templates involved) [26]. In addition
  • in Figure S1a and Figure S1b (Supporting Information File 1), respectively, confirming the compact growth of the columnar nanostructures originating from the GLAD geometry [32]. Here, the higher thickness is presented only to demonstrate the columnar nanostructure formation in a clearer way. Based on
PDF
Album
Supp Info
Full Research Paper
Published 02 Apr 2024

Vinorelbine-loaded multifunctional magnetic nanoparticles as anticancer drug delivery systems: synthesis, characterization, and in vitro release study

  • Zeynep Özcan and
  • Afife Binnaz Hazar Yoruç

Beilstein J. Nanotechnol. 2024, 15, 256–269, doi:10.3762/bjnano.15.24

Graphical Abstract
  • drug delivery systems to formulate more effective cancer treatments, thereby addressing the current limitations encountered within this field of study. Functional nanostructures have been designed to mitigate potential harm to healthy tissue caused by these techniques [6]. Additionally, they facilitate
  • passive targeting and offer multimodal tumor therapy. In recent years, the use of nanotechnology-based cancer drugs has emerged as a promising alternative treatment approach. Utilizing various nanostructures as specific vehicles for drug delivery enhances efficacy and pharmacokinetic properties of
  • nanostructures employed, particular emphasis has been placed on iron oxide (Fe3O4) nanoparticles. The biocompatibility and low toxicity of Fe3O4 nanoparticles have garnered significant attention in magnetic drug delivery for cancer diagnosis and treatment, primarily because of their magnetic properties [11][12
PDF
Album
Full Research Paper
Published 28 Feb 2024

Quantitative wear evaluation of tips based on sharp structures

  • Ke Xu and
  • Houwen Leng

Beilstein J. Nanotechnol. 2024, 15, 230–241, doi:10.3762/bjnano.15.22

Graphical Abstract
  • nanotechnology [1][2][3][4][5]. Compared to optical and electron microscopy, AFM enables three-dimensional (3D) measurements of nanostructures in air and liquid environments [6]. The interaction between the tip and sample influences the measurement results of AFM by convoluting the tip topography with the sample
  • topography images of standard nanoscale spherical particles and rectangular parallelepiped nanostructures of known shapes and to quantitatively estimate the shape of the tip by measuring the known nanostructures in advance. However, tip characterizers with fixed bodies present significant cost and
  • analyze the shape of the tip, we use a probe to scan a TipCheck calibration sample and characterize its morphology. The TipCheck sample, provided by BudgetSensors, consists of a silicon chip sample with a wear-resistant thin film coating. The thin film coating exhibits granular and sharp nanostructures
PDF
Album
Full Research Paper
Published 14 Feb 2024

Ion beam processing of DNA origami nanostructures

  • Leo Sala,
  • Agnes Zerolová,
  • Violaine Vizcaino,
  • Alain Mery,
  • Alicja Domaracka,
  • Hermann Rothard,
  • Philippe Boduch,
  • Dominik Pinkas and
  • Jaroslav Kocišek

Beilstein J. Nanotechnol. 2024, 15, 207–214, doi:10.3762/bjnano.15.20

Graphical Abstract
  • , ENSICAEN, UNICAEN, CEA, CNRS, CIMAP, Boulevard Henri Becquerel, BP 5133, 14070, Caen cedex 5, France Electron Microscopy Center, Institute of Molecular Genetics of the CAS, Vídenská 1083, 142 20, Prague, Czech Republic 10.3762/bjnano.15.20 Abstract DNA origami nanostructures are emerging as a bottom-up
  • nanopatterning approach. Direct combination of this approach with top-down nanotechnology, such as ion beams, has not been considered because of the soft nature of the DNA material. Here we demonstrate that the shape of 2D DNA origami nanostructures deposited on Si substrates is well preserved upon irradiation
  • by ion beams, modeling ion implantation, lithography, and sputtering conditions. Structural changes in 2D DNA origami nanostructures deposited on Si are analyzed using AFM imaging. The observed effects on DNA origami include structure height decrease or increase upon fast heavy ion irradiation in
PDF
Album
Supp Info
Full Research Paper
Published 12 Feb 2024

Graphene removal by water-assisted focused electron-beam-induced etching – unveiling the dose and dwell time impact on the etch profile and topographical changes in SiO2 substrates

  • Aleksandra Szkudlarek,
  • Jan M. Michalik,
  • Inés Serrano-Esparza,
  • Zdeněk Nováček,
  • Veronika Novotná,
  • Piotr Ozga,
  • Czesław Kapusta and
  • José María De Teresa

Beilstein J. Nanotechnol. 2024, 15, 190–198, doi:10.3762/bjnano.15.18

Graphical Abstract
  • -beam bombardment, which initially introduces defects into the graphene structure and then knocks out carbon atoms, although the edges of the fabricated nanostructures remain rough after the process [11]. Other direct techniques, such as focused ion beam (FIB) milling with heavy Ga+ ions, are not
PDF
Album
Full Research Paper
Published 07 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
  • [39][40]. One of the main existing challenges in synthesizing QDs is to increase their photoluminescence efficiency while simultaneously shifting the photoluminescence maximum to longer wavelengths. Initial applications focused on OLEDs. CdSe/ZnS quantum dots are luminescent inorganic nanostructures
PDF
Album
Supp Info
Full Research Paper
Published 02 Feb 2024

New application of bimetallic Ag/Pt nanoplates in a colorimetric biosensor for specific detection of E. coli in water

  • Azam Bagheri Pebdeni,
  • Mohammad N. AL-Baiati and
  • Morteza Hosseini

Beilstein J. Nanotechnol. 2024, 15, 95–103, doi:10.3762/bjnano.15.9

Graphical Abstract
  • H2O2, we compared the peroxidase activity of the three NPLs at 652 nm. The catalytic activity of Ag NPLs, Pt NPLs, and Ag/Pt NPLs demonstrate the superiority of bimetallic NPLs over the others in terms of peroxidase-like catalytic activity. These nanostructures were successfully used to make a
PDF
Album
Supp Info
Full Research Paper
Published 17 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
  • 1 V to 1.7 V vs RHE). SEM micrographs of freeze-dried nanostructures of pure (a, d) and composite hydrogel samples: Hgel-MCO-cCB 1:3 (b, e) and Hgel-MCO-cCB 1:6 (c, f). EDS analysis of hydrogel composites: Hgel-MCO (a, d, g), Hgel-MCO-cCB 1:3 (b, e, h), Hgel-MCO-cCB 1:6 (c, f, i). Transmittance plot
PDF
Album
Supp Info
Full Research Paper
Published 11 Jan 2024

Curcumin-loaded nanostructured systems for treatment of leishmaniasis: a review

  • Douglas Dourado,
  • Thayse Silva Medeiros,
  • Éverton do Nascimento Alencar,
  • Edijane Matos Sales and
  • Fábio Rocha Formiga

Beilstein J. Nanotechnol. 2024, 15, 37–50, doi:10.3762/bjnano.15.4

Graphical Abstract
  • , approaches such as carrying curc in nanostructures have been used to overcome such drawbacks. Nanostructured systems for the treatment of leishmaniasis The existing treatments for leishmaniasis (cutaneous, mucocutaneous, or visceral) are still insufficient or frequently ineffective. This is due to several
  • delivery specific to macrophage targets, such as ᴅ-mannose, phosphatidylserine, or lactoferrin. This may reduce the drug resistance of the parasite in the long term. Furthermore, the surface charge of nanostructures may influence internalization since positive charges favor electrostatic interactions of
  • hydrodynamic mean particle size of 312 ± 1.89 nm, PdI of 0.305 ± 0.17 and zeta potential of −38 ± 0.93 mV. These particles were able to entrap 88% of curc due to the irregular lipid crystal structure of NLCs [53]. The NLCs proved to be safe for macrophages, which promptly internalized the nanostructures, as
PDF
Album
Review
Published 04 Jan 2024

Measurements of dichroic bow-tie antenna arrays with integrated cold-electron bolometers using YBCO oscillators

  • Leonid S. Revin,
  • Dmitry A. Pimanov,
  • Alexander V. Chiginev,
  • Anton V. Blagodatkin,
  • Viktor O. Zbrozhek,
  • Andrey V. Samartsev,
  • Anastasia N. Orlova,
  • Dmitry V. Masterov,
  • Alexey E. Parafin,
  • Victoria Yu. Safonova,
  • Anna V. Gordeeva,
  • Andrey L. Pankratov,
  • Leonid S. Kuzmin,
  • Anatolie S. Sidorenko,
  • Silvia Masi and
  • Paolo de Bernardis

Beilstein J. Nanotechnol. 2024, 15, 26–36, doi:10.3762/bjnano.15.3

Graphical Abstract
  • of the Common Research Centre “Physics and technology of micro- and nanostructures” of IPM RAS. The measurements and deposition of 210/240 GHz bow-tie dipole antenna arrays were performed using the facilities of the Laboratory of Superconducting Nanoelectronics of NNSTU. Funding This research was
PDF
Album
Full Research Paper
Published 04 Jan 2024

TEM sample preparation of lithographically patterned permalloy nanostructures on silicon nitride membranes

  • Joshua Williams,
  • Michael I. Faley,
  • Joseph Vimal Vas,
  • Peng-Han Lu and
  • Rafal E. Dunin-Borkowski

Beilstein J. Nanotechnol. 2024, 15, 1–12, doi:10.3762/bjnano.15.1

Graphical Abstract
  • Abstract We have prepared ferromagnetic nanostructures intended for the investigation of high-frequency magnetization dynamics in permalloy (Py) nanodisks using Lorentz transmission electron microscopy (LTEM) and electron holography. Py nanodisks were fabricated on thin silicon nitride (SiN) membranes
  • submicrometer apertures were milled on SiN membranes using a focused ion beam. Furthermore, we have developed a new TEM sample preparation method, where we fabricated Py nanostructures on a bulk substrate with a SiN buffer layer and etched the substrate to create a thin SiN membrane under the Py nanostructure
  • . Finally, we observed the vortex dynamics of the Py nanodisk under magnetic fields using LTEM and off-axis electron holography. A correlation between preparation methods and the properties of the Py nanostructures was made. Keywords: electron holography; Lorentz transmission electron microscopy; magnetic
PDF
Album
Supp Info
Full Research Paper
Published 02 Jan 2024

Determination of the radii of coated and uncoated silicon AFM sharp tips using a height calibration standard grating and a nonlinear regression function

  • Perawat Boonpuek and
  • Jonathan R. Felts

Beilstein J. Nanotechnol. 2023, 14, 1200–1207, doi:10.3762/bjnano.14.99

Graphical Abstract
  • of Engineering, Texas A&M University, College Station, Texas, 77843, USA 10.3762/bjnano.14.99 Abstract AFM sharp tips are used to characterize nanostructures and quantify the mechanical properties of the materials in several areas of research. The analytical results can show unpredicted errors if we
  • AFM tip and the sample, which depends on the tip radius, defines how accurately the AFM tip determines those properties and the shape of fabricated micro- and nanostructures. The contact radius of the tip is a key variable for calculating the stiffness and Young’s modulus of the material by fitting
  • than 30 or 35 nm, respectively. But these are not the true radii of the tips. Therefore, AFM users need to determine the actual tip radius before probing micro- and nanostructures and measuring the mechanical properties of a sample. In previous studies, tip shape and radius at the sharp end were
PDF
Album
Supp Info
Full Research Paper
Published 15 Dec 2023

A combined gas-phase dissociative ionization, dissociative electron attachment and deposition study on the potential FEBID precursor [Au(CH3)2Cl]2

  • Elif Bilgilisoy,
  • Ali Kamali,
  • Thomas Xaver Gentner,
  • Gerd Ballmann,
  • Sjoerd Harder,
  • Hans-Peter Steinrück,
  • Hubertus Marbach and
  • Oddur Ingólfsson

Beilstein J. Nanotechnol. 2023, 14, 1178–1199, doi:10.3762/bjnano.14.98

Graphical Abstract
  • fabrication of functional gold nanostructures for application in plasmonic and detector technology, we conducted a comprehensive study on [Au(CH3)2Cl]2 as a potential precursor for such depositions. Fundamental electron-induced dissociation processes were studied under single collision conditions, and the
  • ; quantum chemical calculation; ultrahigh vacuum; Introduction In recent years, gold nanostructures have received much attention owing to their dielectric properties [1], their biocompatibility [2], and their electrical properties [3][4], which enable a multitude of exciting applications in the field of
  • nanostructures are critical for the enhancement of absorption and controlled scattering of light [10]. Focused-electron-beam-induced deposition (FEBID) is a direct writing method for controlled deposition/fabrication of nanostructures on either flat or nonflat surfaces. It offers excellent shape control and thus
PDF
Album
Supp Info
Full Research Paper
Published 06 Dec 2023

Hierarchically patterned polyurethane microgrooves featuring nanopillars or nanoholes for neurite elongation and alignment

  • Lester Uy Vinzons,
  • Guo-Chung Dong and
  • Shu-Ping Lin

Beilstein J. Nanotechnol. 2023, 14, 1157–1168, doi:10.3762/bjnano.14.96

Graphical Abstract
  • , Taiwan (R.O.C.) Graduate Institute of Biomedical Engineering, National Chung Hsing University, Taichung City 40227, Taiwan (R.O.C.) 10.3762/bjnano.14.96 Abstract Surface micro- and nanostructures profoundly affect the functional performance of nerve regeneration implants by modulating neurite responses
  • . However, few studies have investigated the impact of discrete nanostructures, such as nanopillars and nanoholes, and their combination with microgrooves on neurite outgrowth and alignment. Furthermore, numerous techniques have been developed for surface micro-/nanopatterning, but simple and low-cost
  • cues that promote nerve cell survival, neural stem cell recruitment and differentiation, and axonal guidance and regeneration [3]. The ability of topographical features to guide axons is particularly important in peripheral nerve regeneration, where unidirectional continuous micro-/nanostructures, such
PDF
Album
Supp Info
Full Research Paper
Published 29 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
  • , Poland 10.3762/bjnano.14.90 Abstract In recent years, nanostructures with hexagonal polytypes of gold have been synthesised, opening new possibilities in nanoscience and nanotechnology. As bulk gold crystallizes in the fcc phase, surface effects can play an important role in stabilizing hexagonal gold
  • nanostructures. Here, we investigate several heterostructures with Ge substrates, including the fcc and hcp phases of gold that have been observed experimentally. We determine and discuss their interfacial energies and optimized atomic arrangements, comparing the theory results with available experimental data
  • . 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
PDF
Album
Full Research Paper
Published 15 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
  • properties of ZnO nanostructures, such as bandgap or conductivity [26]. Decorating ZnO with metals such as Ag, Au, Pd, Pt, and Al [27][28] can provide surface plasmonic effects that assist the electron transfer process in materials and extend the light absorption range of a photodetector [29][30]. However
PDF
Album
Supp Info
Full Research Paper
Published 13 Oct 2023
Other Beilstein-Institut Open Science Activities