Various CVD-grown ZnO nanostructures for nanodevices and interdisciplinary applications

• The-Long Phan,
• Le Viet Cuong,
• Vu Dinh Lam and
• Ngoc Toan Dang

Beilstein J. Nanotechnol. 2024, 15, 1390–1399, doi:10.3762/bjnano.15.112

• centre of a horizontal quartz tube furnace, see [37] for more detail. The furnace tube was also connected with a gas line and a rotary vacuum pump oil. Before the growth, air was sucked out of the tube by backfilling it with argon (Ar) gas, and then pumped out until the base pressure went to ≈2 × 10−3

Nanoarchitectonics with cetrimonium bromide on metal nanoparticles for linker-free detection of toxic metal ions and catalytic degradation of 4-nitrophenol

• Akash Kumar and
• Raja Gopal Rayavarapu

Beilstein J. Nanotechnol. 2024, 15, 1312–1332, doi:10.3762/bjnano.15.106

• -AP) in the presence of NaBH4. All reactions were carried out at room temperature in a 3.5 mL quartz cuvette. The reagent for catalysis was added in a sequence of 2 mL of 4-nitrophenol (0.1 mM), 1 mL of NaBH4 (100 mM), and 50 µL (0.5 ± 0.1 OD and 1.0 ± 0.1 OD) of CTAB-AgNS, CTAB-AuNS, CTAB-AuNR1, and

Mn-doped ZnO nanopowders prepared by sol–gel and microwave-assisted sol–gel methods and their photocatalytic properties

• Cristina Maria Vlăduț,
• Crina Anastasescu,
• Silviu Preda,
• Oana Catalina Mocioiu,
• Simona Petrescu,
• Jeanina Pandele-Cusu,
• Dana Culita,
• Veronica Bratan,
• Ioan Balint and
• Maria Zaharescu

Beilstein J. Nanotechnol. 2024, 15, 1283–1296, doi:10.3762/bjnano.15.104

• recorded with an Analytik Jena Specord 200 Plus spectrophotometer. Photocatalytic tests were performed in a photoreactor provided with a quartz window and thermostated at 180 °C by a chiller. A quantity of 0.025 g catalyst was suspended by sonication in 120 mL aqueous solution containing 0.1 g oxalic acid

Enhanced catalytic reduction through in situ synthesized gold nanoparticles embedded in glucosamine/alginate nanocomposites

• Chi-Hien Dang,
• Le-Kim-Thuy Nguyen,
• Minh-Trong Tran,
• Van-Dung Le,
• Nguyen Minh Ty,
• T. Ngoc Han Pham,
• Hieu Vu-Quang,
• Tran Thi Kim Chi,
• Tran Thi Huong Giang,
• Nguyen Thi Thanh Tu and
• Thanh-Danh Nguyen

Beilstein J. Nanotechnol. 2024, 15, 1227–1237, doi:10.3762/bjnano.15.99

• excess of NaBH4. Initially, 3.0 mg of the AuNPs@GluN/Alg solid was placed in a quartz cell with 1 cm path length, along with an aqueous solution of the organic dyes (2.5 mL, 0.1 mM). Then, 0.5 mL of NaBH4 solution (0.06 M) was added to start the reaction. The reduction process of the dyes was in situ

Photocatalytic methane oxidation over a TiO₂/SiNWs p–n junction catalyst at room temperature

• Qui Thanh Hoai Ta,
• Luan Minh Nguyen,
• Ngoc Hoi Nguyen,
• Phan Khanh Thinh Nguyen and
• Dai Hai Nguyen

Beilstein J. Nanotechnol. 2024, 15, 1132–1141, doi:10.3762/bjnano.15.92

• experiments. Photocatalytic tests The as-synthesized catalyst was placed in a custom-made batch reactor with a small transparent quartz window, which was directly connected to a gas chromatograph (GC) with thermal conductivity and flame ionization detectors. A 300 W Xenon lamp was utilized as a light source

Local work function on graphene nanoribbons

• Daniel Rothhardt,
• Amina Kimouche,
• Tillmann Klamroth and
• Regina Hoffmann-Vogel

Beilstein J. Nanotechnol. 2024, 15, 1125–1131, doi:10.3762/bjnano.15.91

• , 10,10′-dibromo-9,9′-bianthryl (DBBA) molecules were deposited by thermal evaporation (Kentax evaporator) onto the hot (Tsample = 470 K) sample surface for 10 min. The deposition rate was kept constant using a quartz crystal microbalance. Annealing up to 670 K for 10 min after deposition induced

Effect of wavelength and liquid on formation of Ag, Au, Ag/Au nanoparticles via picosecond laser ablation and SERS-based detection of DMMP

• Sree Satya Bharati Moram,
• Chandu Byram and
• Venugopal Rao Soma

Beilstein J. Nanotechnol. 2024, 15, 1054–1069, doi:10.3762/bjnano.15.86

• . This process took approximately 20 minutes. Characterization techniques The absorption studies were conducted by placing 3 mL of the colloidal solution in a 1 cm quartz cuvette and using a UV–visible absorption spectrometer (PerkinElmer, LAMBDA 750) within the 300–800 nm wavelength range. The

Intermixing of MoS₂ and WS₂ photocatalysts toward methylene blue photodegradation

• Maryam Al Qaydi,
• Nitul S. Rajput,
• Michael Lejeune,
• Abdellatif Bouchalkha,
• Mimoun El Marssi,
• Steevy Cordette,
• Chaouki Kasmi and
• Mustapha Jouiad

Beilstein J. Nanotechnol. 2024, 15, 817–829, doi:10.3762/bjnano.15.68

• . Experimental Both MoS2 and WS2 samples were synthesized using a one-step CVD process under atmospheric pressure. The CVD system consists of a quartz tube connected to an argon source. The furnace was gradually heated to specific processing temperatures of MoS2 and WS2, which were subsequently deposited onto

Green synthesis of biomass-derived carbon quantum dots for photocatalytic degradation of methylene blue

• Dalia Chávez-García,
• Mario Guzman,
• Viridiana Sanchez and
• Rubén D. Cadena-Nava

Beilstein J. Nanotechnol. 2024, 15, 755–766, doi:10.3762/bjnano.15.63

• length quartz cell was used for the measurements, and deionized water was used as the blank in the measurement to account for background signals. Fourier-transform infrared spectra were measured on a Spectrum Two FT-IR/Sp 10 S/W spectrometer (USA) with a LiTaO3 type detector, the wavelength used ranged

• saturation. Multiple measurements (at least three) were performed for each sample to ensure reliable and accurate measurements. A quartz cell with a 1 cm path length was used for the DLS measurements using a Malvern Zeta-sizer equipment model 7.2. Raman spectroscopy for all samples was performed in a Horiba

• ) with a 1 cm path length quartz cell. To evaluate the photocatalytic activity of the CQDs, a suspension containing CQDs and MB (10 ppm initial concentration of MB) was placed in a baker under constant stirring. Before initiating the light irradiation, the suspension was stirred for 20 min at 400 rpm in

Elastic modulus of β-Ga₂O₃ nanowires measured by resonance and three-point bending techniques

• Annamarija Trausa,
• Sven Oras,
• Sergei Vlassov,
• Mikk Antsov,
• Tauno Tiirats,
• Andreas Kyritsakis,
• Boris Polyakov and
• Edgars Butanovs

Beilstein J. Nanotechnol. 2024, 15, 704–712, doi:10.3762/bjnano.15.58

• pressure chemical vapour transport in a horizontal quartz tube reactor (18 mm inner diameter) according to the method reported in [2]. The process involved loading a ceramic boat with 0.15 g of Ga2O3 powder (99.99%, Alfa Aesar) at the centre of the quartz tube. Oxidised silicon wafers SiO2/Si (100) coated

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

• in a quartz cuvette of 10 mm path length. The photothermal studies were performed by using a broadband light source (400–700 nm) with an intensity of ≈0.5 W/cm2 (beam diameter ≈13 mm). A thermopile detector (919P-250-35, Newport Corporation) and a digital power meter (843-R, Newport Corporation) were

AFM-IR investigation of thin PECVD SiO_x films on a polypropylene substrate in the surface-sensitive mode

• Hendrik Müller,
• Hartmut Stadler,
• Teresa de los Arcos,
• Adrian Keller and
• Guido Grundmeier

Beilstein J. Nanotechnol. 2024, 15, 603–611, doi:10.3762/bjnano.15.51

• , the partial pressure of argon was set to 0.1 mbar and the partial pressure of oxygen was set to 0.3 mbar. The monomer partial pressure was set to 0.05 mbar. The high partial pressure of oxygen in a ratio of 3:1 promotes the formation of SiOx structures. The film thickness was measured with a quartz

Stiffness calibration of qPlus sensors at low temperature through thermal noise measurements

• Laurent Nony,
• Sylvain Clair,
• Daniel Uehli,
• Aitziber Herrero,
• Jean-Marc Themlin,
• Andrea Campos,
• Franck Para,
• Alessandro Pioda and
• Christian Loppacher

Beilstein J. Nanotechnol. 2024, 15, 580–602, doi:10.3762/bjnano.15.50

• little precision. An accurate stiffness calibration is therefore mandatory if accurate force measurements are targeted. In nc-AFM, the probe may either be a silicon cantilever, a quartz tuning fork (QTF), or a length extensional resonator (LER). When used in ultrahigh vacuum (UHV) and at low temperature

• the framework focuses on a particular kind of sensor, it may be adapted to any high-k, high-Q nc-AFM probe used under similar conditions, such as silicon cantilevers and LERs. Keywords: low temperature; non-contact atomic force microscopy; qPlus sensors; quartz tuning fork; stiffness calibration

• optical detection setup. Nc-AFM experiments are then mostly performed with quartz sensors, essentially implemented according to two geometries: quartz tuning fork (QTF) [19] or length-extensional resonator (LER) [20][21][22]. The commercial versions of these probes are the qPlus sensor (Scienta-Omicron

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

• evacuated quartz ampoules with an inner diameter of 15 mm, where Sn2S3 crystals as source material were placed at a distance of about 100 mm from the ZnO target consisting of a network of microtetrapods. The technological procedure was carried out in a two-zone horizontal furnace. The Sn2S3 crystals were

• quartz ampoule through physical vapor transport. The sacrificial network of ZnO microtetrapods with an arm length of 10–30 µm was prepared at Kiel University in Germany by a simple flame transport approach, which is described in [46]. The produced powder was pressed in an inox chamber with dimensions of

Determining by Raman spectroscopy the average thickness and N-layer-specific surface coverages of MoS₂ thin films with domains much smaller than the laser spot size

• Felipe Wasem Klein,
• Jean-Roch Huntzinger,
• Vincent Astié,
• Damien Voiry,
• Romain Parret,
• Houssine Makhlouf,
• Sandrine Juillaguet,
• Jean-Manuel Decams,
• Sylvie Contreras,
• Périne Landois,
• Ahmed-Azmi Zahab,
• Jean-Louis Sauvajol and
• Matthieu Paillet

Beilstein J. Nanotechnol. 2024, 15, 279–296, doi:10.3762/bjnano.15.26

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

• , 80, 100, 200, and 400 µg/mL. These solutions were then placed in quartz cuvettes, and absorbance readings were taken using the UV–vis spectrophotometer at a wavelength of 268 nm [40]. The absorbance values obtained were utilized to construct the calibration curve. Determination of photothermal

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

• (and their different adsorption mechanisms on quartz or amorphous silica surfaces), which would be responsible for those topographical changes. This hypothesis could also be supported by the fact that OH− groups can easily interact with the H-terminated surface of amorphous silica. However, they are

• less likely to oxidize quartz, where Si–O–Si bonds dominate on the surface. It is also consistent with other results, where oxygen gas was used for FEBIE of graphene and no etching of SiO2 substrate was detected by AFM. Although our studies already untangle some phenomena accompanying the graphene

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

• spectra of a solid were studied as a thin film deposited on quartz, and measurements in solution were obtained in chloroform. The wavelength ranged from 250 to 1000 nm. A Woolam M-2000 ellipsometer was used for spectroscopic ellipsometry analysis. The measurement range was 350–1650 nm. The measurement was

• ultraviolet with a small exponentially decreasing band up to 500–600 nm (Figure 2). The absorption band maximum is about 260 nm in the solid state (quartz was used as reference) and 330 nm in chloroform solution. The photoluminescence spectra, excited by a 405 nm laser, are shown in Figure 3. This type of

Elasticity, an often-overseen parameter in the development of nanoscale drug delivery systems

• Agnes-Valencia Weiss and
• Marc Schneider

Beilstein J. Nanotechnol. 2023, 14, 1149–1156, doi:10.3762/bjnano.14.95

• determine mechanical properties of nanoparticles (or their corresponding bulk materials) highlighting quartz crystal microbalance, rheology, and atomic force microscopy (AFM) are summarized by Li et al. [18]. Another often reported method is particle deformability, being extrusion a possibility for

Curcumin-loaded albumin submicron particles with potential as a cancer therapy: an in vitro study

• Nittiya Suwannasom,
• Netsai Sriaksorn,
• Chutamas Thepmalee,
• Krissana Khoothiam,
• Ausanai Prapan,
• Hans Bäumler and
• Chonthida Thephinlap

Beilstein J. Nanotechnol. 2023, 14, 1127–1140, doi:10.3762/bjnano.14.93

• using a J-1500 spectropolarimeter (JASCO, Tokyo, Japan) in the wavelength range of 200 to 260 nm. The measurements were conducted at 25 °C in quartz cuvettes with an optical path of 0.1 mm at a scanning speed of 100 nm/min. In vitro controlled release studies of CUR-HSA-MPs A total of 1 mL of the

Properties of tin oxide films grown by atomic layer deposition from tin tetraiodide and ozone

• Kristjan Kalam,
• Peeter Ritslaid,
• Tanel Käämbre,
• Aile Tamm and
• Kaupo Kukli

Beilstein J. Nanotechnol. 2023, 14, 1085–1092, doi:10.3762/bjnano.14.89

• pulse length for the iodide precursor, the SnI4–O3 process was, at first, examined in situ using a quartz crystal microbalance (QCM) [17]. The QCM data were acquired with a Q-pod quartz crystal monitor (Inficon) at a stabilized reactor temperature of 300 °C. For the film growth for ex situ measurements

Isolation of cubic Si₃P₄ in the form of nanocrystals

• Polina K. Nikiforova,
• Sergei S. Bubenov,
• Vadim B. Platonov,
• Andrey S. Kumskov,
• Nikolay N. Kononov,
• Tatyana A. Kuznetsova and
• Sergey G. Dorofeev

Beilstein J. Nanotechnol. 2023, 14, 971–979, doi:10.3762/bjnano.14.80

• . In order to obtain silicon phosphide samples, weighted amounts of hydrogenated Si NPs (ca. 10 mg) and red phosphorus (ca. 15 mg) were transferred to a clean degassed quartz ampoule, which was sealed under the residual pressure of 5 × 10−2 mbar. Annealings were carried out in a muffle furnace SNOL-3

• gradually form on the surface oxide layer to prevent combustion. In an attempt to prevent hydrolysis/oxidation, a quartz ampoule with NPs synthesized at 400 °C was opened inside an evacuated and sealed copper ampoule partially filled with octadecene. Hydrosilylation was carried out for 30 min at 315 °C. In

• the case of alcoholysis passivation, degassed 1-dodecanol was introduced to the Si3P4 product powder without air contact. Si3P4 NPs samples were examined on a diffractometer DRON-4-07 (Cu Kα radiation) in the form of films on a polished quartz substrate; phase analysis was performed using the program

N-Heterocyclic carbene-based gold etchants

• Robert B. Chevalier,
• Justin Pantano,
• Matthew K. Kiesewetter and
• Jason R. Dwyer

Beilstein J. Nanotechnol. 2023, 14, 865–871, doi:10.3762/bjnano.14.71

• integration time of 30 s. UV–vis spectra were collected using UVProbe 2.51 software on a Shimadzu UV-3600 Plus UV–vis–NIR spectrophotometer with a 1 cm path length quartz cuvette. Four species were examined, namely 1,3-diisopropyl-5-nitrobenzimidazolium iodide (1), 1,3-diisopropyl-5-nitrobenzimidazolium

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

• quartz cell with a path length of 1 cm, 2.5 mL of a solution containing 0.1 mM of the contaminants and an aqueous nanocomposite solution of catalyst (AgNPs@Lac/Alg-0.7, in which the ratio of Ag+ to Lac/Alg was 0.7:1, w/w) at concentrations ranging from 1.0 to 3.0 μg/mL were added. Subsequently, 0.5 mL of

Control of morphology and crystallinity of CNTs in flame synthesis with one-dimensional reaction zone

• Muhammad Hilmi Ibrahim,
• Norikhwan Hamzah,
• Mohd Zamri Mohd Yusop,
• Ni Luh Wulan Septiani and
• Mohd Fairus Mohd Yasin

Beilstein J. Nanotechnol. 2023, 14, 741–750, doi:10.3762/bjnano.14.61

• comprises a premix chamber and a concentric nozzle tube outlet with diameters of 17 and 26 mm, respectively. A quartz tube with an outer diameter of 50 mm is placed around the burner nozzle. To synthesize the CNTs, a positioning system with an accuracy of 0.5 mm is employed, and the sample is placed on top

• of a mesh wire attached at the bottom of the sampling probe. The probe is vertically inserted into the quartz tube from the top, and the HAB values are varied between 5 and 17 mm by adjusting the insertion length. The sampling time is fixed at 1 min for all runs unless specified otherwise. The

• with an accuracy of 1 mm. Schematic diagram of the premixed flame synthesis setup with quartz tube and traversing arm. The one-dimensional flame is achieved by the utilization of sintered metal at the outlet of the burner. Average elemental composition of CNTs on nickel wire measured with EDX. Funding