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

• physical vapor deposition (PVD) methods have been tested to replace MS in coating GaN platforms with plasmonic metals. Pulsed laser deposition (PLD) is an interesting and still not fully explored alternative for the fabrication of SERS substrates [37][38]. Hence, our studies reported herein aimed to

• . Results and Discussion Fabrication of GaN/Ag substrates GaN/Ag substrates were fabricated by Ag deposition on nanostructured GaN platforms using PLD and MS (Figure 1). In the first step, metal organic chemical vapor deposition (MOCVD)-grown GaN on sapphire epitaxial layers was exposed to photoetching

• markedly different morphology, especially to the sharp edges and spikes. Materials and Methods Fabrication of GaN/Ag substrates Two physical vapor deposition methods, MS and PLD, were used to coat GaN platforms with Ag layers. The research aimed to compare the enhancement of the Raman signal on GaN/Ag SERS

A novel approach to pulsed laser deposition of platinum catalyst on carbon particles for use in polymer electrolyte membrane fuel cells

• Bogusław Budner,
• Wojciech Tokarz,
• Sławomir Dyjak,
• Andrzej Czerwiński,
• Bartosz Bartosewicz and
• Bartłomiej Jankiewicz

Beilstein J. Nanotechnol. 2023, 14, 190–204, doi:10.3762/bjnano.14.19

• [27]. Direct deposition of PtNPs can be attained by the use of various physical vapor deposition techniques such as magnetron sputtering [28], sputtering [29], e-beam evaporation [30], dual ion-beam assisted deposition [31], and pulsed laser deposition (PLD) [27][32][33]. Previously, PLD has been used

Combining physical vapor deposition structuration with dealloying for the creation of a highly efficient SERS platform

• Adrien Chauvin,
• Walter Puglisi,
• Damien Thiry,
• Cristina Satriano,
• Rony Snyders and
• Carla Bittencourt

Beilstein J. Nanotechnol. 2023, 14, 83–94, doi:10.3762/bjnano.14.10

• approach reported here allows for an easy synthesis of a rather high sensible platform. Alternatively, more simple approaches for the synthesis of SERS-based sensors, such as direct physical vapor deposition (PVD) coating of natural micro- or nanostructured materials have been reported. For example, the

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

• via chemical vapor deposition were supplied by Vinanotech (Vietnam). Titanium tetrachloride (purity >99%) was purchased from Sigma-Aldrich (USA), and pure potassium hydroxide and potassium chloride (purity >85%) were provided from Merck (Germany). All other chemical reagents used in this study were of

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

• assembly methods, direct growth of carbon nanotubes by chemical vapor deposition (CVD) allows for increased bond strength between CNT tips and AFM probes. A pore growth method was used by Hafner et al. [42]. The method uses AFM imaging in contact mode to flatten the silicon tip, followed by hydrogen

• performs well. Clark et al. [45] presented a novel scanning probe for mechanical and electronic characterization of probe microscopy. A newly developed controlled area plating method was used. The method uses microwave plasma to enhance the growth of carbon nanotubes in chemical vapor deposition. This

Design of a biomimetic, small-scale artificial leaf surface for the study of environmental interactions

• Miriam Anna Huth,
• Axel Huth,
• Lukas Schreiber and
• Kerstin Koch

Beilstein J. Nanotechnol. 2022, 13, 944–957, doi:10.3762/bjnano.13.83

• of structures that often do not correspond to the original wax type [20][42]. Due to the ring-shaped accumulation and the resulting pattern, this effect is called the “coffee drop effect” [47][48]. This undesirable effect can be avoided by the solvent-free process of physical vapor deposition (PVD

• plants grown outdoors showed alterations in the wax layer (Supporting Information File 1, Figure S3). Macroscopically, vapor deposition with the wheat wax resulted in a white opaque homogeneous coating on the glass (Figure 4). SEM images showed three-dimensional, granularly recrystallized structures on

• wetting properties as a natural leaf. This goal was achieved by vapor deposition with the medium amount of the wax extract. The surface coated in this way resembled the natural surface regarding all three studied wetting parameters (Figure 8). The chemical analysis had shown that the wax composition of

DNA aptamer selection and construction of an aptasensor based on graphene FETs for Zika virus NS1 protein detection

• Nathalie B. F. Almeida,
• Thiago A. S. L. Sousa,
• Viviane C. F. Santos,
• Camila M. S. Lacerda,
• Thais G. Silva,
• Rafaella F. Q. Grenfell,
• Flavio Plentz and
• Antero S. R. Andrade

Beilstein J. Nanotechnol. 2022, 13, 873–881, doi:10.3762/bjnano.13.78

• characterization utilizing field-effect transistors fabricated using single-layer graphene grown by chemical vapor deposition (CVD) and transferred to Si/SiO2 substrates. The wafers were purchased from Graphene Platform and we produced graphene transistors by conventional photolithography, following the procedures

Optimizing PMMA solutions to suppress contamination in the transfer of CVD graphene for batch production

• Chun-Da Liao,
• Andrea Capasso,
• Tiago Queirós,
• Telma Domingues,
• Fatima Cerqueira,
• Nicoleta Nicoara,
• Jérôme Borme,
• Paulo Freitas and
• Pedro Alpuim

Beilstein J. Nanotechnol. 2022, 13, 796–806, doi:10.3762/bjnano.13.70

• 4710-057, Portugal 10.3762/bjnano.13.70 Abstract Mass production and commercial adoption of graphene-based devices are held back by a few crucial technical challenges related to quality control. In the case of graphene produced by chemical vapor deposition, the transfer process represents a delicate

• devices and applications [1][2][3]. Among the production methods, chemical vapor deposition (CVD) made substantial progress over the years and now guarantees high-quality standards for the growth of batches of graphene samples over wafer-scale areas [4][5][6]. This progress allowed for the fabrication of

Reliable fabrication of transparent conducting films by cascade centrifugation and Langmuir–Blodgett deposition of electrochemically exfoliated graphene

• Teodora Vićentić,
• Stevan Andrić,
• Vladimir Rajić and
• Marko Spasenović

Beilstein J. Nanotechnol. 2022, 13, 666–674, doi:10.3762/bjnano.13.58

• delve into fundamental properties was augmented with an outlook towards potential applications [1]. Over the past decades, a great number of different methods for the synthesis of graphene and other 2D materials has been proposed, including micromechanical cleavage [2], chemical vapor deposition (CVD

Revealing local structural properties of an atomically thin MoSe₂ surface using optical microscopy

• Lin Pan,
• Peng Miao,
• Anke Horneber,
• Alfred J. Meixner,
• Pierre-Michel Adam and
• Dai Zhang

Beilstein J. Nanotechnol. 2022, 13, 572–581, doi:10.3762/bjnano.13.49

• CuPc as a Raman probe, because CuPc exhibits a large Raman scattering cross section and an extremely weak photoluminescence signal. A thin film of 5 nm of CuPc was deposited on the triangular MoSe2 flakes through thermal vapor deposition. Figure 1a shows a bright-field optical image of CuPc/MoSe2. From

• characterization of CuPc molecules on MoSe2 flakes The MoSe2 flakes were received from SixCarbon Technology (Shenzhen), synthesized on a SiO2/Si substrate using chemical vapor deposition. An ultra-thin film of CuPc with a thickness of 5 nm is deposited on the MoSe2 samples by vacuum thermal deposition. At a

Electrostatic pull-in application in flexible devices: A review

• Teng Cai,
• Yuming Fang,
• Yingli Fang,
• Ruozhou Li,
• Ying Yu and
• Mingyang Huang

Beilstein J. Nanotechnol. 2022, 13, 390–403, doi:10.3762/bjnano.13.32

• vertically on the substrate. The vertically aligned MWCNTs were prepared by various methods, such as the constriction of CNT growth by nanoscale pockets and DC plasma-enhanced chemical vapor deposition (PECVD), as shown in Figure 2c. Using the vertically aligned CNT switches provides a high density for

Tin dioxide nanomaterial-based photocatalysts for nitrogen oxide oxidation: a review

• Viet Van Pham,
• Hong-Huy Tran,
• Thao Kim Truong and
• Thi Minh Cao

Beilstein J. Nanotechnol. 2022, 13, 96–113, doi:10.3762/bjnano.13.7

• materials, preferably using two redox sites; (3) synthesizing other morphologies of SnO2 such as nanorods, nanotubes, or 3D structures to increase the specific surface area of the catalyst; (4) upscaling the syntheses and using other synthesis approaches such as sol–gel or chemical vapor deposition to form

Sputtering onto liquids: a critical review

• Anastasiya Sergievskaya,
• Adrien Chauvin and
• Stephanos Konstantinidis

Beilstein J. Nanotechnol. 2022, 13, 10–53, doi:10.3762/bjnano.13.2

• , Czech Republic 10.3762/bjnano.13.2 Abstract Sputter deposition of atoms onto liquid substrates aims at producing colloidal dispersions of small monodisperse ultrapure nanoparticles (NPs). Since sputtering onto liquids combines the advantages of the physical vapor deposition technique and classical

• (Figure 1). In 1974, Yatsuya et al. used a liquid as a substrate during a physical vapor deposition (PVD) experiment. They thermally evaporated metals in vacuum onto silicon oil for NP production [9]. After the pioneering experiments of Yatsuya et al., depositions onto liquids were not mentioned in

• . These chemical methods can be divided into two major techniques, namely chemical vapor deposition (CVD) with liquid-phase synthesis and colloidal synthesis. In general, the colloidal synthesis of NPs is highly acclaimed due to its versatility [16]. So-called bio-assisted methods, biosynthesis, or green

Chemical vapor deposition of germanium-rich CrGe_x nanowires

• Vladislav Dřínek,
• Stanislav Tiagulskyi,
• Roman Yatskiv,
• Jan Grym,
• Radek Fajgar,
• Věra Jandová,
• Martin Koštejn and
• Jaroslav Kupčík

Beilstein J. Nanotechnol. 2021, 12, 1365–1371, doi:10.3762/bjnano.12.100

• Sciences, Chaberská 1014/57, 182 51 Prague 8, Czech Republic 10.3762/bjnano.12.100 Abstract Chemical vapor deposition was applied to synthetize nanostructured deposits containing several sorts of nanoobjects (i.e., nanoballs, irregular particles, and nanowires). Analytical techniques, that is, high

• . Keywords: chemical vapor deposition; chromium germanide; nanostructured materials; nanowire; resistivity; Introduction Metal silicides and germanides belong to an extensively studied group of materials offering a wide variety of properties to meet various requirements in battery, optical, and electronic

• effort to prepare a Cr/Ge deposit in a nanostructured form. Using chemical vapor deposition (CVD), we succeeded to synthesize deposits containing CrGex NWs. Their structure was elucidated and measurements of individual NWs were carried out to determine their electrical resistivity. Results and Discussion

Irradiation-driven molecular dynamics simulation of the FEBID process for Pt(PF₃)₄

• Alexey Prosvetov,
• Alexey V. Verkhovtsev,
• Gennady Sushko and
• Andrey V. Solov’yov

Beilstein J. Nanotechnol. 2021, 12, 1151–1172, doi:10.3762/bjnano.12.86

• working chamber. Nowadays, FEBID permits the fabrication of nanostructures with sizes down to a few nanometers, which is similar to the size of the incident electron beam [7]. To date, FEBID mainly relies on precursor molecules developed for chemical vapor deposition (CVD), a process mainly governed by

Assessment of the optical and electrical properties of light-emitting diodes containing carbon-based nanostructures and plasmonic nanoparticles: a review

• Keshav Nagpal,
• Erwan Rauwel,
• Frédérique Ducroquet and
• Protima Rauwel

Beilstein J. Nanotechnol. 2021, 12, 1078–1092, doi:10.3762/bjnano.12.80

• -roll techniques and chemical vapor deposition, both industrially viable techniques, are capable of producing 30 inch wafers of graphene, thereby demonstrating the viable upscaling of its production [41]. Other carbon-based nanomaterials such as SWNT have also been employed as current-spreading layers

Revealing the formation mechanism and band gap tuning of Sb₂S₃ nanoparticles

• Maximilian Joschko,
• Franck Yvan Fotue Wafo,
• Christina Malsi,
• Danilo Kisić,
• Ivana Validžić and
• Christina Graf

Beilstein J. Nanotechnol. 2021, 12, 1021–1033, doi:10.3762/bjnano.12.76

• -black, crystalline form, known as the mineral stibnite [7][8]. Sb2S3 nanomaterials with a diverse morphology and a broad distribution of band gap values were synthesized by solvothermal [9], hydrothermal [10], and sonochemical [11] approaches, as well as by chemical bath [12] and chemical vapor

• deposition [13] methods. Up to now, the syntheses of Sb2S3 nanomaterials lack sufficient control of the growth conditions. The result are nanoparticles of which the size, shape, and crystallinity can only be tuned to a limited extent. However, for several applications, such as electronic circuits [14], it is

Molecular assemblies on surfaces: towards physical and electronic decoupling of organic molecules

• Sabine Maier and
• Meike Stöhr

Beilstein J. Nanotechnol. 2021, 12, 950–956, doi:10.3762/bjnano.12.71

• physical and electronic decoupling have been developed in view of fundamental studies as well as application in devices. Ultrathin semiconducting or insulating decoupling layers can be epitaxially grown as mono- and multilayers on many metallic substrates by either physical or chemical vapor deposition

9.1% efficient zinc oxide/silicon solar cells on a 50 μm thick Si absorber

• Rafal Pietruszka,
• Bartlomiej S. Witkowski,
• Monika Ozga,
• Katarzyna Gwozdz,
• Ewa Placzek-Popko and
• Marek Godlewski

Beilstein J. Nanotechnol. 2021, 12, 766–774, doi:10.3762/bjnano.12.60

• environmentally friendly solar cells are cells based on zinc oxide (ZnO). ZnO thin films can be obtained using many technologies, including molecular beam epitaxy, RF magnetron sputtering, pulsed laser deposition, chemical vapor deposition, and atomic layer deposition (ALD) [3]. ALD attracts the attention of many

Recent progress in actuation technologies of micro/nanorobots

• Ke Xu and
• Bing Liu

Beilstein J. Nanotechnol. 2021, 12, 756–765, doi:10.3762/bjnano.12.59

• actuated by an electric mechanism decomposing H2O2. Xu used a chemical vapor deposition method to obtain a large number of helical molecular chains and studied the motion behavior related to the number of rotations. With increasing number of rotations, the micro/nanorobot may counter greater resistance

• during motion. In addition, the study also found that the concentration of H2O2 and the distribution of platinum may also affect the movement. Although chemical vapor deposition offers a high yield, the oxide produced during chemical vapor deposition reduces the effective controllability, which is a new

Spontaneous shape transition of Mn_xGe_1−x islands to long nanowires

• S. Javad Rezvani,
• Luc Favre,
• Gabriele Giuli,
• Yiming Wubulikasimu,
• Isabelle Berbezier,
• Augusto Marcelli,
• Luca Boarino and
• Nicola Pinto

Beilstein J. Nanotechnol. 2021, 12, 366–374, doi:10.3762/bjnano.12.30

• obtained via chemical methods [28][29] or via vapor–solid–liquid (VLS) and, less frequently, vapor–solid–solid (VSS) mechanisms. A metallic droplet (liquid or solid) acts as a catalyst, in chemical vapor deposition (CVD), or as a seed, in molecular beam epitaxy (MBE), for the NW growth [7][30][31]. By

The patterning toolbox FIB-o-mat: Exploiting the full potential of focused helium ions for nanofabrication

• Victor Deinhart,
• Lisa-Marie Kern,
• Jan N. Kirchhof,
• Sabrina Juergensen,
• Joris Sturm,
• Enno Krauss,
• Thorsten Feichtner,
• Sviatoslav Kovalchuk,
• Michael Schneider,
• Dieter Engel,
• Bastian Pfau,
• Bert Hecht,
• Kirill I. Bolotin,
• Stephanie Reich and
• Katja Höflich

Beilstein J. Nanotechnol. 2021, 12, 304–318, doi:10.3762/bjnano.12.25

• combination with a thermal stability up to 2600 K [50], renders graphene an exciting candidate for room-temperature bolometry [51]. Single-layer graphene was grown by chemical vapor deposition onto a multicrystalline copper foil using methane as precursor gas at 1035 °C. For the transfer process, the graphene

Paper-based triboelectric nanogenerators and their applications: a review

• Jing Han,
• Nuo Xu,
• Yuchen Liang,
• Mei Ding,
• Junyi Zhai,
• Qijun Sun and
• Zhong Lin Wang

Beilstein J. Nanotechnol. 2021, 12, 151–171, doi:10.3762/bjnano.12.12

• by stencil-assisted vapor deposition [103]. The arrays of small holes with various shapes and distributions are drilled on the stencil via laser cutting, and a layer of copper with thickness of 100 nm is deposited onto the electrode via physical vapor deposition. By combining the stencil-assisted

A review on the green and sustainable synthesis of silver nanoparticles and one-dimensional silver nanostructures

• Sina Kaabipour and
• Shohreh Hemmati

Beilstein J. Nanotechnol. 2021, 12, 102–136, doi:10.3762/bjnano.12.9

• processes [143][144][145][146], conventional chemical reduction [147][148][149][150][151], reverse micelle [152][153][154], co-precipitation [155], chemical vapor deposition [156][157][158], solvothermal [159][160][161], and electrochemical reduction [162][163][164][165]. Chemical synthesis methods are

• deposition process. Chemical vapor deposition (CVD) and atomic layer deposition (ALD) are among other chemical methods for nanoparticle synthesis. CVD is a method that allows production of nanoparticles on a substrate [241]. The process consists of three steps. First, the addition of a volatile precursor in

• concentration inside the reverse micelles [235]. AOT-microemulsions have been the most common microemulsions for the preparation of micelles [152]. However, this method may result in the synthesis of AgNPs with weak surface plasmon characteristics due to a broad surface plasmon band [152]. 2.2.3 Chemical vapor

Fusion of purple membranes triggered by immobilization on carbon nanomembranes

• René Riedel,
• Natalie Frese,
• Fang Yang,
• Martin Wortmann,
• Raphael Dalpke,
• Daniel Rhinow,
• Norbert Hampp and
• Armin Gölzhäuser

Beilstein J. Nanotechnol. 2021, 12, 93–101, doi:10.3762/bjnano.12.8

• reflection absorption spectroscopy (IRRAS). Experimental Preparation of SAMs and CNMs NBPT was purchased from Taros Chemicals (Dortmund, Germany). Thermally evaporated Au films (300 nm) on mica supports (Georg Albert physical vapor deposition coatings) were used as substrates for the SAM preparation