Hierarchical heterostructures of Bi₂MoO₆ microflowers decorated with Ag₂CO₃ nanoparticles for efficient visible-light-driven photocatalytic removal of toxic pollutants

• Shijie Li,
• Wei Jiang,
• Shiwei Hu,
• Yu Liu,
• Yanping Liu,
• Kaibing Xu and
• Jianshe Liu

Beilstein J. Nanotechnol. 2018, 9, 2297–2305, doi:10.3762/bjnano.9.214

• photocatalytic reaction system contribute to the decomposition of pollutant [48][49][50][51][52]. We performed radical-scavenger tests to determine the active species in the degradation of RhB. As displayed in Figure 9, the addition of isopropanol (IPA) resulted in a slight inhibition of the RhB degradation

• efficient VLD photocatalyst with promising applications in environmental remediation. Experimental Materials Bi(NO3)3·5H2O, NaHCO3, NH3·H2O, Na2MoO4·2H2O, rhodamine B (RhB), methyl blue (MB), tetracycline hydrochloride (TC), methyl orange (MO), isopropanol (IPA), AgNO3, p-benzoquinone (BQ), and ammonium

Electrospun one-dimensional nanostructures: a new horizon for gas sensing materials

• Muhammad Imran,
• Nunzio Motta and
• Mahnaz Shafiei

Beilstein J. Nanotechnol. 2018, 9, 2128–2170, doi:10.3762/bjnano.9.202

Localized photodeposition of catalysts using nanophotonic resonances in silicon photocathodes

• Evgenia Kontoleta,
• Sven H. C. Askes,
• Lai-Hung Lai and
• Erik C. Garnett

Beilstein J. Nanotechnol. 2018, 9, 2097–2105, doi:10.3762/bjnano.9.198

• fabrication of the three different types of silicon nanostructures. First, the samples were cleaned with soap and consecutively rinsed with copious amounts of water, acetone and isopropanol. After that, the samples were submerged in hot piranha solution (120 °C, 3:1 concentrated H2SO4/30% H2O2) for 20 min and

Self-assembled quasi-hexagonal arrays of gold nanoparticles with small gaps for surface-enhanced Raman spectroscopy

• Emre Gürdal,
• Simon Dickreuter,
• Fatima Noureddine,
• Pascal Bieschke,
• Dieter P. Kern and
• Monika Fleischer

Beilstein J. Nanotechnol. 2018, 9, 1977–1985, doi:10.3762/bjnano.9.188

• cleaned with acetone in an ultrasonic bath for two minutes. Then they were rinsed with isopropanol, and finally dried with nitrogen gas. A symmetric diblock copolymer (polystyrene-block-poly-2-vinylpyridine, PS(133000)-block-P2VP(132000), polymer source) was dissolved in toluene at a concentration of 1 mg

Preparation of micro/nanopatterned gelatins crosslinked with genipin for biocompatible dental implants

• Reika Makita,
• Tsukasa Akasaka,
• Seiichi Tamagawa,
• Yasuhiro Yoshida,
• Saori Miyata,
• Hirofumi Miyaji and
• Tsutomu Sugaya

Beilstein J. Nanotechnol. 2018, 9, 1735–1754, doi:10.3762/bjnano.9.165

Interaction-tailored organization of large-area colloidal assemblies

• Silvia Rizzato,
• Elisabetta Primiceri,
• Anna Grazia Monteduro,
• Adriano Colombelli,
• Angelo Leo,
• Maria Grazia Manera,
• Roberto Rella and
• Giuseppe Maruccio

Beilstein J. Nanotechnol. 2018, 9, 1582–1593, doi:10.3762/bjnano.9.150

• isopropanol. Given that the particles were negatively charged, the substrates were then functionalized to expose a positively charged surface in order to facilitate particle absorption by electrostatic interactions. For this purpose, the substrates were coated with a layer of 0.1 wt % PDDA, followed by 0.1 wt

Correlative electrochemical strain and scanning electron microscopy for local characterization of the solid state electrolyte Li_1.3Al_0.3Ti_1.7(PO₄)₃

• Nino Schön,
• Deniz Cihan Gunduz,
• Shicheng Yu,
• Hermann Tempel,
• Roland Schierholz and
• Florian Hausen

Beilstein J. Nanotechnol. 2018, 9, 1564–1572, doi:10.3762/bjnano.9.148

• master polish. Afterwards, the pellets were rinsed thoroughly with isopropanol. Focused-ion beam polishing For comparison, a second sample was additionally polished using a focused-ion beam (FEI (now Thermo-Fisher) Helios 460F1) [33]. For this, a polished SEM sample was used. A protective Pt-layer the

Ag₂WO₄ nanorods decorated with AgI nanoparticles: Novel and efficient visible-light-driven photocatalysts for the degradation of water pollutants

• Shijie Li,
• Shiwei Hu,
• Wei Jiang,
• Yanping Liu,
• Yu Liu,
• Yingtang Zhou,
• Liuye Mo and
• Jianshe Liu

Beilstein J. Nanotechnol. 2018, 9, 1308–1316, doi:10.3762/bjnano.9.123

• a TOC analyzer (Shimadzu TOC-VCPH). Radical trapping experiments were conducted by introducing diverse scavengers (1 mM ammonium oxalate, 1 mM p-benzoquinone or 1 mM isopropanol) into the RhB (100 mL, 10 mg L−1) solution. XRD patterns of Ag2WO4, AgI, 0.1AgI/Ag2WO4, 0.2AgI/Ag2WO4, 0.3AgI/Ag2WO4, and

A simple extension of the commonly used fitting equation for oscillatory structural forces in case of silica nanoparticle suspensions

• Sebastian Schön and
• Regine von Klitzing

Beilstein J. Nanotechnol. 2018, 9, 1095–1107, doi:10.3762/bjnano.9.101

• (RCA method) [59]. The substrates were then rinsed extensively with water and dried in a nitrogen stream. Afterwards they were stored in a closed vessel in isopropanol (99.5% Geyer). Both, wafers and cantilevers were cleaned using an oxygen plasma (Diener electronics Femto) for 20 min immediately

Synthesis and characterization of two new TiO₂-containing benzothiazole-based imine composites for organic device applications

• Anna Różycka,
• Agnieszka Iwan,
• Krzysztof Artur Bogdanowicz,
• Michal Filapek,
• Natalia Górska,
• Damian Pociecha,
• Marek Malinowski,
• Patryk Fryń,
• Agnieszka Hreniak,
• Jakub Rysz,
• Paweł Dąbczyński and
• Monika Marzec

Beilstein J. Nanotechnol. 2018, 9, 721–739, doi:10.3762/bjnano.9.67

• )/Au multilayer structures. First, the ITO-coated glass substrate was cleaned by ultrasonication in acetone and isopropanol for ≈20 min and oxygen plasma for 30 s. TiO2 (3Dnano P25, average particle size 21 ± 5 nm, mixed rutile (20%)/anatase (80%) phases, and a surface area of 50 m2/g) was mixed with

Perovskite-structured CaTiO₃ coupled with g-C₃N₄ as a heterojunction photocatalyst for organic pollutant degradation

• Ashish Kumar,
• Christian Schuerings,
• Suneel Kumar,
• Ajay Kumar and
• Venkata Krishnan

Beilstein J. Nanotechnol. 2018, 9, 671–685, doi:10.3762/bjnano.9.62

• under natural sunlight illumination using the CTCN heterojunction as the photocatalyst. In this study, benzoquinone (BQ), isopropanol (IPA) and triethanolamine (TEA) were used as scavengers for superoxide radicals (O2−•), hydroxyl radicals (•OH) and photoexcited holes (h+), respectively, and the

Optimisation of purification techniques for the preparation of large-volume aqueous solar nanoparticle inks for organic photovoltaics

• Furqan Almyahi,
• Thomas R. Andersen,
• Nathan A. Cooling,
• Natalie P. Holmes,
• Matthew J. Griffith,
• Krishna Feron,
• Xiaojing Zhou,
• Warwick J. Belcher and
• Paul C. Dastoor

Beilstein J. Nanotechnol. 2018, 9, 649–659, doi:10.3762/bjnano.9.60

• with 112 rpm/s acceleration for 1 min. Device fabrication On pre-cleaned (water, acetone and isopropanol) patterned ITO glass substrates PEDOT:PSS (HTL Solar) films were spin-coated at 5000 rpm for 1 min and baked for 30 min at 140 °C (film thickness of 35 ± 5 nm). On top of the PEDOT:PSS layer, the

Wafer-scale bioactive substrate patterning by chemical lift-off lithography

• Chong-You Chen,
• Chang-Ming Wang,
• Hsiang-Hua Li,
• Hong-Hseng Chan and
• Wei-Ssu Liao

Beilstein J. Nanotechnol. 2018, 9, 311–320, doi:10.3762/bjnano.9.31

• , USA) was thoroughly mixed, degassed under vacuum, cast onto master molds, and cured on an aluminum-top hot plate at 100 °C overnight. The PDMS stamps were separated from the master molds, sequentially rinsed with acetone and isopropanol, and then blown dry with nitrogen gas. The prepared stamps were

Bombyx mori silk/titania/gold hybrid materials for photocatalytic water splitting: combining renewable raw materials with clean fuels

• Stefanie Krüger,
• Michael Schwarze,
• Otto Baumann,
• Christina Günter,
• Michael Bruns,
• Christian Kübel,
• Dorothée Vinga Szabó,
• Rafael Meinusch,
• Verónica de Zea Bermudez and
• Andreas Taubert

Beilstein J. Nanotechnol. 2018, 9, 187–204, doi:10.3762/bjnano.9.21

• authors also showed that methanol is the most efficient sacrificial agent when compared to isopropanol, glycerol, and glucose [25]. A further study by Jose et al. focused on the effect of TiO2 modification (anatase and/or rutile). These authors observed that TiO2 P25/Au mixed systems performed best in the

• , ethanol, ethylacetoacetate (EtAcAc), and possibly isopropanol from unreacted TiO2 precursors [82]. The PEO-containing hybrid materials TPS and TPS_Au2.5 essentially exhibit an identical thermal stability. The first weight loss of 9% below 120 °C can be assigned to water and ethanol evaporation. The second

Hydrothermal synthesis of ZnO quantum dot/KNb₃O₈ nanosheet photocatalysts for reducing carbon dioxide to methanol

• Xiao Shao,
• Weiyue Xin and
• Xiaohong Yin

Beilstein J. Nanotechnol. 2017, 8, 2264–2270, doi:10.3762/bjnano.8.226

• , East China University of Science and Technology, Shanghai 200237, China 10.3762/bjnano.8.226 Abstract ZnO quantum dots and KNb3O8 nanosheets were synthesized by a two-step hydrothermal method for the photocatalytic reduction of CO2 to methanol where isopropanol is simultaneously oxidized to acetone

• by reducing CO2 in isopropanol to methanol under UV-light irradiation. Experimental Catalyst synthesis Niobium oxide (Nb2O5, 99.99 wt %) was purchased from Aladdin Industrial Corporation. Potassium hydroxide (KOH, 96 wt %), isopropanol (C3H8O, 99.9 wt %), hydrochloric acid (HCl, 36.5 wt %), zinc

• Raman system using a 325 nm laser. Photocatalytic reaction The photocatalytic reduction of CO2 to methanol was carried out at ambient conditions in a quartz container and batch operated slurry reactor with cooling jacket. 20 mg of the catalyst was added to 20 mL of isopropanol under magnetic stirring

Three-in-one approach towards efficient organic dye-sensitized solar cells: aggregation suppression, panchromatic absorption and resonance energy transfer

• Jayita Patwari,
• Samim Sardar,
• Bo Liu,
• Peter Lemmens and
• Samir Kumar Pal

Beilstein J. Nanotechnol. 2017, 8, 1705–1713, doi:10.3762/bjnano.8.171

• substrates via thermal decomposition of 5 mM platinum chloride (in isopropanol) at 385 °C for 30 min. 60 μm thick Surlyn was used as a spacer between the active and counter electrodes. The I−/I3− redox couple, which was prepared by mixing iodine crystal (I2), lithium iodide (LiI), and 4-tert-butylpyridine

A top-down approach for fabricating three-dimensional closed hollow nanostructures with permeable thin metal walls

• Carlos Angulo Barrios and
• Víctor Canalejas-Tejero

Beilstein J. Nanotechnol. 2017, 8, 1231–1237, doi:10.3762/bjnano.8.124

• , acetone, isopropanol, tetrahydrofuran and deionized water. The maximum peak wavelength red-shifts, approximately linearly, with the refractive index of the top cladding liquid, with a slope of 327 nm/refractive index unit (RIU), as depicted in Figure 5b. Although bulk sensitivity of refractometric sensors

• for different superstrate media: air, methanol (MeOH), acetone, isopropanol (IPA), tetrahydrofuran (THF) and deionized water (DIW). b) Spectral position of the reflectance maximum peak as a function of the liquid refractive index. Cross-section of the modelled hollow nanopillar array unit cell. White

Nano-engineered skin mesenchymal stem cells: potential vehicles for tumour-targeted quantum-dot delivery

• Liga Saulite,
• Dominyka Dapkute,
• Karlis Pleiko,
• Ineta Popena,
• Simona Steponkiene,
• Ricardas Rotomskis and
• Una Riekstina

Beilstein J. Nanotechnol. 2017, 8, 1218–1230, doi:10.3762/bjnano.8.123

• evaluated using Oil Red O staining. Cells were washed with PBS and fixed with 4% formaldehyde for 30 min at room temperature. After fixation, cells were washed with distilled water. Prior to staining, cells were incubated for 5 min at room temperature with 60% isopropanol and subsequently stained with 180

• mg/L Oil Red O solution in isopropanol/water (3:2, v/v) for 15 min at room temperature. After staining, the cells were washed four to five times with distilled water and imaged. Chondrogenic differentiation was evaluated using Alcian Blue staining. Cells were washed once with PBS and fixed with 4

Growth, structure and stability of sputter-deposited MoS₂ thin films

• Reinhard Kaindl,
• Bernhard C. Bayer,
• Roland Resel,
• Thomas Müller,
• Viera Skakalova,
• Gerlinde Habler,
• Rainer Abart,
• Alexey S. Cherevan,
• Dominik Eder,
• Maxime Blatter,
• Fabian Fischer,
• Jannik C. Meyer,
• Dmitry K. Polyushkin and
• Wolfgang Waldhauser

Beilstein J. Nanotechnol. 2017, 8, 1115–1126, doi:10.3762/bjnano.8.113

• ). As substrates silicon wafers (100) with ≈100 nm thermal SiO2 layer were used, which were cleaned with isopropanol and dried with nitrogen prior to deposition. The substrates were fixed on a static, floating potential substrate holding device kept at approximately ten centimetres away from the

Study of the correlation between sensing performance and surface morphology of inkjet-printed aqueous graphene-based chemiresistors for NO₂ detection

• F. Villani,
• C. Schiattarella,
• T. Polichetti,
• R. Di Capua,
• F. Loffredo,
• B. Alfano,
• M. L. Miglietta,
• E. Massera,
• L. Verdoliva and
• G. Di Francia

Beilstein J. Nanotechnol. 2017, 8, 1023–1031, doi:10.3762/bjnano.8.103

• deposition of small ink volumes and the versatility of the exploitable inks and substrates. Herein we present a feasibility study of chemiresistive gas sensors inkjet-printed onto paper substrates, in which a LPE graphene suspension dispersed in a water/isopropanol (H2O/IPA) mixture is used as sensing ink

• printing a LPE graphene suspension dispersed in a water/isopropanol (H2O/IPA) mixture as sensing ink onto paper substrates. Analogous paper-based graphene sensors, relying on different fabrication processes, such as CVD (chemical vapour deposition) grown transferred graphene [13] or inkjet-printed GO

• sonication-assisted liquid phase exfoliation of graphite in a mixture of water and isopropanol as described in details in the Experimental section and fully investigated in [8]. As already reported, the dispersed material consists of exfoliated flakes having less than five layers and a lateral size around

3D Nanoprinting via laser-assisted electron beam induced deposition: growth kinetics, enhanced purity, and electrical resistivity

• Brett B. Lewis,
• Robert Winkler,
• Xiahan Sang,
• Pushpa R. Pudasaini,
• Michael G. Stanford,
• Harald Plank,
• Raymond R. Unocic,
• Jason D. Fowlkes and
• Philip D. Rack

Beilstein J. Nanotechnol. 2017, 8, 801–812, doi:10.3762/bjnano.8.83

• using an FEI NOVA 600 dual-beam system equipped with multiple gas injection systems (GIS). Before loading the Si substrate, it was cleaned via sonication in acetone for 5 minutes and rinsed in isopropanol before drying. The precursor gas was injected using a FEI GIS and the temperature was held at 45 °C

Nanostructured carbon materials decorated with organophosphorus moieties: synthesis and application

• Giacomo Biagiotti,
• Vittoria Langè,
• Cristina Ligi,
• Stefano Caporali,
• Maurizio Muniz-Miranda,
• Anna Flis,
• K. Michał Pietrusiewicz,
• Giacomo Ghini,
• Alberto Brandi and
• Stefano Cicchi

Beilstein J. Nanotechnol. 2017, 8, 485–493, doi:10.3762/bjnano.8.52

• 8 was more easily isolated by filtration and repeated washing for complete removal of the excess reagents while GPs-Nit-PO derivative 9 was recovered using cycles of centrifugation and re-dispersion of the carbon material in a 1:1 isopropyl ether-isopropanol solution. The decoration of the

• , entries 5 and 6). X-ray photoelectron spectroscopy analysis showed the presence of the P(V) atoms in all the samples considered. The samples for the analysis where prepared by dispersion of 1 mg of substance in 1 mL of isopropanol and the dispersion was drop casted on a cleaned glass support. The spectra

• DMF. The mixture was kept in an ultrasound bath for 10 min, under inert atmosphere, and 19.3 mg (0.165 mmol) of isopentyl nitrite were added. The mixture was stirred at 80 °C under nitrogen for 16 h. The dispersion was diluted a 1:1 solution of isopropanol/diisopropyl ether and centrifuged for 15 min

The longstanding challenge of the nanocrystallization of 1,3,5-trinitroperhydro-1,3,5-triazine (RDX)

• Florent Pessina and
• Denis Spitzer

Beilstein J. Nanotechnol. 2017, 8, 452–466, doi:10.3762/bjnano.8.49

• as the yield of about 25% and the importance of the residence time and the drying step. Liu et al. [34][35] studied the effect of drying n-RDX and HMX samples under various conditions. They first obtained n-RDX in solution from a mixture of water, ethanol, isopropanol and RDX. The suspension was put

Functionalized TiO₂ nanoparticles by single-step hydrothermal synthesis: the role of the silane coupling agents

• Antoine R. M. Dalod,
• Lars Henriksen,
• Tor Grande and
• Mari-Ann Einarsrud

Beilstein J. Nanotechnol. 2017, 8, 304–312, doi:10.3762/bjnano.8.33

• background was collected under medium vacuum, without sample. Between each analysis, the ATR diamond was cleaned with isopropanol, for which vacuum provides fast evaporation and no specific adsorption bands of isopropanol were observed. A total of 128 scans were acquired for each sample at a resolution of 1

• -functionalized TiO2 nanoparticles are shown in Figure 5b (see Table S1 of Supporting Information File 1 for the assignments of the absorption bands). No specific bands from isopropanol were observed indicating full reaction of the TIP precursor and high purity of the nanoparticles. In the case of in situ surface

Colorimetric gas detection by the varying thickness of a thin film of ultrasmall PTSA-coated TiO₂ nanoparticles on a Si substrate

• Urmas Joost,
• Andris Šutka,
• Meeri Visnapuu,
• Aile Tamm,
• Meeri Lembinen,
• Mikk Antsov,
• Kathriin Utt,
• Krisjanis Smits,
• Ergo Nõmmiste and
• Vambola Kisand

Beilstein J. Nanotechnol. 2017, 8, 229–236, doi:10.3762/bjnano.8.25

• shift of interference maxima and minima) to isopropanol. In the present work results obtained using one typical thin film are presented. However, experiments were repeated with several thin films all showing similar behavior. Experimental Titania NPs were synthesised using a method described by Scolan

• film-based sensor element is more responsive to isopropanol and toluene, and the response to hexane is much smaller. Toluene probably interacts strongly with the aromatic ring in PTSA, and isopropanol is probably more compatible with the polar part of the molecule, due to the ability to form hydrogen