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

• build up on the VB to generate the oxidization of OH− (see Figure 10), resulting in the formation of •OH. Despite the slow oxidative hydrolysis kinetics, the oxidative radical species remain crucial to drive the photodegradation of organic pollutants [24][25]. Using the Nernst equation [45], the

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

Unravelling the interfacial interaction in mesoporous SiO₂@nickel phyllosilicate/TiO₂ core–shell nanostructures for photocatalytic activity

• Bridget K. Mutuma,
• Xiluva Mathebula,
• Isaac Nongwe,
• Bonakele P. Mtolo,
• Boitumelo J. Matsoso,
• Rudolph Erasmus,
• Zikhona Tetana and
• Neil J. Coville

Beilstein J. Nanotechnol. 2020, 11, 1834–1846, doi:10.3762/bjnano.11.165

• . The photoexcited electrons and the presence of holes result in the oxidization of organic dyes via a free-radical mechanism. However, TiO2 is a wide-bandgap semiconductor (3.0–3.3 eV), which can only absorb UV light and it easily undergoes electron–hole recombination [11]. To circumvent this problem

Seebeck coefficient of silicon nanowire forests doped by thermal diffusion

• Shaimaa Elyamny,
• Elisabetta Dimaggio and
• Giovanni Pennelli

Beilstein J. Nanotechnol. 2020, 11, 1707–1713, doi:10.3762/bjnano.11.153

• applications, we cannot afford an oxidization process, because it would smooth the surfaces. The reduction of the thermal conductivity, which is essential for good thermoelectric features, relies on the roughness of the surfaces, which would be compromised by an oxidation step. Hence, the best solution is to

Size effects of graphene nanoplatelets on the properties of high-density polyethylene nanocomposites: morphological, thermal, electrical, and mechanical characterization

• Tuba Evgin,
• Alpaslan Turgut,
• Georges Hamaoui,
• Zdenko Spitalsky,
• Nicolas Horny,
• Matej Micusik,
• Mihai Chirtoc,
• Mehmet Sarikanat and
• Maria Omastova

Beilstein J. Nanotechnol. 2020, 11, 167–179, doi:10.3762/bjnano.11.14

• eV), C–O (ca. 533.5 eV), and O2C=O (ca. 535.8 eV) groups. The C 1s signals of GnPs were approximately the same (Table 1 and Figure 2b). It was clear that G2 showed the highest atomic content of C 1s (98.4%), and the surface of G2 was the least oxidized one. This reduced degree of oxidization of G2

Kelvin probe force microscopy of the nanoscale electrical surface potential barrier of metal/semiconductor interfaces in ambient atmosphere

• Petr Knotek,
• Tomáš Plecháček,
• Jan Smolík,
• Petr Kutálek,
• Filip Dvořák,
• Milan Vlček,
• Jiří Navrátil and
• Čestmír Drašar

Beilstein J. Nanotechnol. 2019, 10, 1401–1411, doi:10.3762/bjnano.10.138

• RT within a few hours. We therefore conclude that KPFM has the following limitations: i) Only oxidization-resistant metals/semiconductor nanoinclusions can be used. Transition metals react with air and, thus, vacuum equipment is required for the preparation, transport and measurement. ii) The

Rapid, ultraviolet-induced, reversibly switchable wettability of superhydrophobic/superhydrophilic surfaces

• Yunlu Pan,
• Wenting Kong,
• Bharat Bhushan and
• Xuezeng Zhao

Beilstein J. Nanotechnol. 2019, 10, 866–873, doi:10.3762/bjnano.10.87

• different concentrations. The wettability and the chemical bonding of the surfaces were tested upon UV illumination and heating treatments. The results are in agreement with the proposed assumption that the oxidization of the trimethoxy(alkyl)silane could decrease the super-wettability transition time

• , however the reversibility will be limited due to the irreversible oxidization process. The effect of trimethoxy(alkyl)silane concentration on the number of times the surface can be recycled was also investigated. Results and Discussion Characterization of the superhydrophobic coating The hydrophilic TiO2

• has a strong oxidizing property. In addition, the end of the fluorocarbon chains were changed into –OH groups which could decrease the WCA faster with increasing UV illumination time. It can thus be inferred that the oxidization of PFOS is due to UV illumination and the photocatalytic effect of TiO2

Nanoporous water oxidation electrodes with a low loading of laser-deposited Ru/C exhibit enhanced corrosion stability

• Sandra Haschke,
• Dmitrii Pankin,
• Vladimir Mikhailovskii,
• Maïssa K. S. Barr,
• Adriana Both-Engel,
• Alina Manshina and
• Julien Bachmann

Beilstein J. Nanotechnol. 2019, 10, 157–167, doi:10.3762/bjnano.10.15

• to never exceed +1.0 V applied potential. On the cathodic scan, only one reductive peak is present near 0.0 V, corresponding to the reduction of surface oxides to metallic Ru [68]. The absence of surface oxidization current during the first CV cycle (blue curve in Figure 9a) indicates that the

Block copolymers for designing nanostructured porous coatings

• Roberto Nisticò

Beilstein J. Nanotechnol. 2018, 9, 2332–2344, doi:10.3762/bjnano.9.218

• plasma oxidization [53], electron beam curing, as well as laser and/or selective decomposition (as reported in Table 1). Hozumi and co-workers [74] investigated the removal of poly(methyl methacrylate) (PMMA) domains in a PS-b-PMMA copolymer film by using 172 nm vacuum-ultraviolet (VUV) light. In this

Electrostatic force spectroscopy revealing the degree of reduction of individual graphene oxide sheets

• Yue Shen,
• Ying Wang,
• Yuan Zhou,
• Chunxi Hai,
• Jun Hu and
• Yi Zhang

Beilstein J. Nanotechnol. 2018, 9, 1146–1155, doi:10.3762/bjnano.9.106

• can be thermally reduced uniformly. For the chemically reduced GO sample, further heat treatment in atmosphere resulted in oxidization. To supplement SPFM for the characterization of heterogeneously reduced GO sheets in the initial stage of the reduction process, EFS can be employed to further

Enhanced photoelectrochemical water splitting performance using morphology-controlled BiVO₄ with W doping

• Xin Zhao and
• Zhong Chen

Beilstein J. Nanotechnol. 2017, 8, 2640–2647, doi:10.3762/bjnano.8.264

• is the charge separation efficiency for photo-generated electrons and holes, and ηinj is the interfacial charge injection efficiency for water oxidization. Jabs is the maximum photocurrent of a given photoanode based on its light absorption efficiency. In order to quantify the contributions of the

Fabrication of carbon nanospheres by the pyrolysis of polyacrylonitrile–poly(methyl methacrylate) core–shell composite nanoparticles

• Dafu Wei,
• Youwei Zhang and
• Jinping Fu

Beilstein J. Nanotechnol. 2017, 8, 1897–1908, doi:10.3762/bjnano.8.190

• nanospheres were first fabricated by Kowaleski et al. [31] via successive shell crosslinking, oxidization and carbonization of the micelles resulting from the self-assembly of PAN-b-poly(acrylic acid) (PAA) block copolymer in water. The crosslinked shell can retain the micelle structure during the heat

• substantially, which is very important to industrial manufacturing. Yang et al. obtained carbon nanospheres with a diameter of 170–190 nm from PAN particles synthesized by a soap-less emulsion polymerization method [35]. A series of complicated chemical reactions, including oxidization, dehydrogenation

• products (Figure 6), it can be seen that, due to the dehydrogenation reaction, the absorptions at 2987 cm−1, 2950 cm−1 and 1451 cm−1 decreased after the preoxidization, and the decrease became larger at higher oxidization temperatures. Furthermore, after the preoxidization, the v(C≡N) band became weak

α-Silicene as oxidation-resistant ultra-thin coating material

• Ali Kandemir,
• Fadil Iyikanat,
• Cihan Bacaksiz and
• Hasan Sahin

Beilstein J. Nanotechnol. 2017, 8, 1808–1814, doi:10.3762/bjnano.8.182

• in the presence of absorbed O atom. It appears that single-layer silicene is a quite promising material for ultra-thin oxidation-protective coating applications. Keywords: coating material; density functional theory; oxidization; silicene, silver; Introduction Surface protection against degradation

Oxidative chemical vapor deposition of polyaniline thin films

• Yuriy Y. Smolin,
• Masoud Soroush and
• Kenneth K. S. Lau

Beilstein J. Nanotechnol. 2017, 8, 1266–1276, doi:10.3762/bjnano.8.128

• lower concentration. Second, the oxidant flowrate was varied from the base case of 0.8 sccm to 0.15 sccm (F series: BC, F1, F2) to investigate possible changes in the oxidization state and doping level of the PANI film due to the antimony pentachloride oxidant. In addition to the reactor pressure and

Assembling semiconducting molecules by covalent attachment to a lamellar crystalline polymer substrate

• Rainhard Machatschek,
• Patrick Ortmann,
• Renate Reiter,
• Stefan Mecking and
• Günter Reiter

Beilstein J. Nanotechnol. 2016, 7, 784–798, doi:10.3762/bjnano.7.70

• modified before, e.g., via harsh oxidization [39][40], such reactions were not precisely controlled and tended to break polymer chains. Thus, our experiments represent the first controlled chemical functionalization of the fold surfaces of polymer single crystals. Experimental Polymer and nanocrystal

Self-assembly mechanism of Ni nanowires prepared with an external magnetic field

• Xiaoyu Li,
• Hu Wang,
• Kenan Xie,
• Qin Long,
• Xuefei Lai and
• Li Liao

Beilstein J. Nanotechnol. 2015, 6, 2123–2128, doi:10.3762/bjnano.6.217

• oxidized, but peaks of NiO were not observed due to the additional N2 produced during the reaction, which protects the Ni nanowires from oxidization. The crystallite size of the Ni nanowires (16 nm) calculated from the (111) fcc Ni peaks by Scherrer’s equation is smaller than the apparent wire diameter

Comprehensive characterization and understanding of micro-fuel cells operating at high methanol concentrations

• Aldo S. Gago,
• Juan-Pablo Esquivel,
• Neus Sabaté,
• Joaquín Santander and
• Nicolas Alonso-Vante

Beilstein J. Nanotechnol. 2015, 6, 2000–2006, doi:10.3762/bjnano.6.203

• it increases by 28 mV in less than 2 s, followed by a gradual decrease. This can be attributed to a brief oxidization of CH3OH species at the Pt surface to achieve equilibrium for the mixed-reaction: ORR and MOR. However, large amount of fuel crosses from the anode to the cathode, flooding and

The Kirkendall effect and nanoscience: hollow nanospheres and nanotubes

• Abdel-Aziz El Mel,
• Ryusuke Nakamura and
• Carla Bittencourt

Beilstein J. Nanotechnol. 2015, 6, 1348–1361, doi:10.3762/bjnano.6.139

• on the dynamic formation of bismuth oxide hollow nanospheres using a TEM liquid cell, allowing the in situ oxidization of bismuth nanoparticles to be observed [48]. Figure 7a presents a sequence of TEM micrographs recorded by the authors on a bismuth nanoparticle during oxidation. At the early stage

Charge carrier mobility and electronic properties of Al(Op)₃: impact of excimer formation

• Andrea Magri,
• Pascal Friederich,
• Bernhard Schäfer,
• Valeria Fattori,
• Xiangnan Sun,
• Timo Strunk,
• Velimir Meded,
• Luis E. Hueso,
• Wolfgang Wenzel and
• Mario Ruben

Beilstein J. Nanotechnol. 2015, 6, 1107–1115, doi:10.3762/bjnano.6.112

• parameters for charge transporting materials [15]. In particular, lower LUMO and HOMO energies enable easier reduction of the metal chelate, leading to enhanced electron injection and transport properties, and an increased resistance to oxidization, resulting in an improved hole blocking character. For this

Simple approach for the fabrication of PEDOT-coated Si nanowires

• Mingxuan Zhu,
• Marielle Eyraud,
• Judikael Le Rouzo,
• Nadia Ait Ahmed,
• Florence Boulc’h,
• Claude Alfonso,
• Philippe Knauth and
• François Flory

Beilstein J. Nanotechnol. 2015, 6, 640–650, doi:10.3762/bjnano.6.65

• oxidization of PEDOT. The oxidation of EDOT into PEDOT near Ox2 appears at a lower potential than during the first scan (1.1 V), and no nucleation loop is observed. This is because the vitreous carbon substrate is completely covered by the PEDOT film during the first cycle. At the end of the experiment, the

Self-assembled anchor layers/polysaccharide coatings on titanium surfaces: a study of functionalization and stability

• Ognen Pop-Georgievski,
• Dana Kubies,
• Josef Zemek,
• Neda Neykova,
• Roman Demianchuk,
• Eliška Mázl Chánová,
• Miroslav Šlouf,
• Milan Houska and
• František Rypáček

Beilstein J. Nanotechnol. 2015, 6, 617–631, doi:10.3762/bjnano.6.63

• by oxygen plasma oxidization (25 W, Plasma Cleaner/Sterilizer, Harrick, USA) for 5 min directly before the anchor layer immobilization. Commercially available, paste-polished, pure titanium surfaces (Beznoska, Czech Republic) were used to probe the presence of inorganic and organic surface

Modeling and optimization of atomic layer deposition processes on vertically aligned carbon nanotubes

• Nuri Yazdani,
• Vipin Chawla,
• Eve Edwards,
• Vanessa Wood,
• Hyung Gyu Park and
• Ivo Utke

Beilstein J. Nanotechnol. 2014, 5, 234–244, doi:10.3762/bjnano.5.25

• adsorption). After the defined precursor exposure time, purging of the ALD chamber removes unreacted precursor molecules from the chamber (c). After the oxidization pulse, a thin layer of oxide is formed on the surface (d). Flow chart of the precursor exposure/adsorption simulation for one ALD cycle. Results