Adsorption and diffusion characteristics of lithium on hydrogenated α- and β-silicene

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

Beilstein J. Nanotechnol. 2017, 8, 1742–1748, doi:10.3762/bjnano.8.175

• attention [1][2]. This family consists of a large variety of materials such as hexagonal boron nitride (hBN) [3][4], silicene [5][6][7], germanene [8], transition-metal dichalcogenides (TMDs) [9][10][11][12][13][14], transition-metal trichalcogenides (TMTs) [15][16], phosphorene [17] and gallium

Group-13 and group-15 doping of germanane

• Nicholas D. Cultrara,
• Maxx Q. Arguilla,
• Shishi Jiang,
• Chuanchuan Sun,
• Michael R. Scudder,
• R. Dominic Ross and
• Joshua E. Goldberger

Beilstein J. Nanotechnol. 2017, 8, 1642–1648, doi:10.3762/bjnano.8.164

• discovery of graphene [1], the quest to discover and measure novel two dimensional and layered materials has led to the investigation of group-14 and group-15 allotropes of graphene and graphane [1][2][3][4][5][6][7][8][9][10][11][12][13][14], transition-metal dichalcogenides [15][16][17][18][19], and

Charge transfer from and to manganese phthalocyanine: bulk materials and interfaces

• Florian Rückerl,
• Daniel Waas,
• Bernd Büchner,
• Martin Knupfer,
• Dietrich R. T. Zahn,
• Francisc Haidu,
• Torsten Hahn and
• Jens Kortus

Beilstein J. Nanotechnol. 2017, 8, 1601–1615, doi:10.3762/bjnano.8.160

• Bergakademie Freiberg, Leipziger Str. 23, D-09596 Freiberg, Germany 10.3762/bjnano.8.160 Abstract Manganese phthalocyanine (MnPc) is a member of the family of transition-metal phthalocyanines, which combines interesting electronic behavior in the fields of organic and molecular electronics with local magnetic

• ][8]. Phthalocyanine molecules can harbor a number of metal ions, in particular transition-metal ions such as cobalt, iron or manganese. A special characteristic of transition-metal centered phthalocyanines is, that transition-metal ions often are characterized by a magnetic moment, and therefore such

• phthalocyanines also show very interesting magnetic behavior [9]. They have even been discussed in terms of molecular magnets including their discussion in future applications in the field of molecular spintronics [10][11][12]. Among these transition-metal phthalocyanines, manganese phthalocyanine (MnPc) is one

Nanostructures for sensors, electronics, energy and environment III

• Nunzio Motta

Beilstein J. Nanotechnol. 2017, 8, 1530–1531, doi:10.3762/bjnano.8.154

• ., silicene, phosphorene, transition metal dichalcogenides, MXenes), which now number more than 6,000. The topic of nanoparticles is the focus of this Thematic Series, the use of which spans from biosensing to gas detection and from removing pollutants from water to new generations of solar cells. The

Deposition of exchange-coupled dinickel complexes on gold substrates utilizing ambidentate mercapto-carboxylato ligands

• Martin Börner,
• Laura Blömer,
• Marcus Kischel,
• Peter Richter,
• Georgeta Salvan,
• Dietrich R. T. Zahn,
• Pablo F. Siles,
• Maria E. N. Fuentes,
• Carlos C. B. Bufon,
• Daniel Grimm,
• Oliver G. Schmidt,
• Daniel Breite,
• Bernd Abel and
• Berthold Kersting

Beilstein J. Nanotechnol. 2017, 8, 1375–1387, doi:10.3762/bjnano.8.139

• , Germany, Leibniz-Institute of Surface Modification (IOM), Permoser Str. 15, D-04318 Leipzig, Germany 10.3762/bjnano.8.139 Abstract The chemisorption of magnetically bistable transition metal complexes on planar surfaces has recently attracted increased scientific interest due to its potential application

• surfaces; macrocyclic complexes; mercapto-alkanecarboxylic acid; Introduction The deposition of switchable transition metal complexes on Au surfaces is a topical research area [1][2][3][4] due to the many potential applications such as storage of information at the molecular level [5][6][7] and in the

• (Scheme 1), L’ an ambidentate coligand, and M is a paramagnetic transition metal ion, usually MnII, FeII, CoII, or NiII [37]. The ambidentate phosphane-carboxylato [38] and thiol-carboxylato coligands H2L2 and H1L3 (Figure 1) were found to bind selectively via their carboxylate function to form the

Two-dimensional silicon and carbon monochalcogenides with the structure of phosphorene

• Dario Rocca,
• Ali Abboud,
• Ganapathy Vaitheeswaran and
• Sébastien Lebègue

Beilstein J. Nanotechnol. 2017, 8, 1338–1344, doi:10.3762/bjnano.8.135

• [10][11], one of the many phases of crystalline phosphorus. Among other properties [12][13][14][15], the values of the carrier mobility and of the on–off ratio of transistors made from phosphorene are intermediate between the values of graphene and those of transition metal dichalcogenides, making

Synthesis, spectroscopic characterization and thermogravimetric analysis of two series of substituted (metallo)tetraphenylporphyrins

• Rasha K. Al-Shewiki,
• Carola Mende,
• Roy Buschbeck,
• Pablo F. Siles,
• Oliver G. Schmidt,
• Tobias Rüffer and
• Heinrich Lang

Beilstein J. Nanotechnol. 2017, 8, 1191–1204, doi:10.3762/bjnano.8.121

• porphyrins of the type H2TPP(OH)4 (tetra(p-hydroxyphenyl)porphyrin) [6][7] and MTPP(OMe)4/H2TPP(OMe)4 (tetra(p-methoxyphenyl)porphyrin) (M = Cu [8][9], Ni [9]), cf. Figure 1. The properties of the metalloporphyrins are governed by the (transition) metal ions and the exocyclic moieties on the individual

• Information File 1). In agreement with Buchler [19] and Budzikiewicz [22] the mass spectrometric measurements served well to identify the type of the incorporated transition metal since the ion peaks of [M]+ and/or [M + H]+ are the ones with the highest intensity. The observation of [M + Na]+ as well as [M

• NMR, IR and UV–vis spectroscopy as well as by ESI mass-spectrometry. The comparison of the obtained analytical results revealed only minor differences in vibrational and optical spectra, both with respect to the varied transition metal ions as well as the terminal organic substituent R. That provides

Atomic structure of Mg-based metallic glass investigated with neutron diffraction, reverse Monte Carlo modeling and electron microscopy

• Rafał Babilas,
• Dariusz Łukowiec and
• Laszlo Temleitner

Beilstein J. Nanotechnol. 2017, 8, 1174–1182, doi:10.3762/bjnano.8.119

• materials with good functional properties [1][2][3]. Many chemical compositions of metallic glasses based on Mg have been extensively reported in recent years [4][5][6][7], but among all the studied glassy materials, the Mg-TM-RE (TM – transition metal: Cu, Ni, Zn, Ag; RE – rare-earth transition metal: Y

Adsorption characteristics of Er₃N@C₈₀on W(110) and Au(111) studied via scanning tunneling microscopy and spectroscopy

• Sebastian Schimmel,
• Zhixiang Sun,
• Danny Baumann,
• Denis Krylov,
• Nataliya Samoylova,
• Alexey Popov,
• Bernd Büchner and
• Christian Hess

Beilstein J. Nanotechnol. 2017, 8, 1127–1134, doi:10.3762/bjnano.8.114

• studies and possible applications [3]. These molecules A3−nBnN@Ck (n = 0–3; A, B = rare earth metal or transition metals of the IVth subgroup; k = 68–96) are composed of a carbon cage which encapsulates a triangular cluster consisting of 3 rare-earth or transition metal atoms and a nitrogen atom at its

ZnO nanoparticles sensitized by CuInZn_xS_2+x quantum dots as highly efficient solar light driven photocatalysts

• Florian Donat,
• Serge Corbel,
• Halima Alem,
• Steve Pontvianne,
• Lavinia Balan,
• Ghouti Medjahdi and
• Raphaël Schneider

Beilstein J. Nanotechnol. 2017, 8, 1080–1093, doi:10.3762/bjnano.8.110

• (Supporting Information File 1, Figure S8). Noteworthy is also that chloride ions exhibit no hole scavenging activity (Cl− + h+ → Cl•) and that the electron/hole separation generated by the ZnO/ZCIS heterojunction was fully maintained. The effect of transition metal salts (Fe3+, Fe2+, Zn2+, Co2+ and Mn2

• /ZCIS catalyst and thus enhance the adsorption of the Orange II anionic dye via a bridging effect. Only Co2+ and Mn2+ significantly reduce the photocatalytic rate (k = 0.008 min−1 both in the presence of Mn2+ and Co2+). With all other transition metal chlorides, k values were higher than that determined

• black curve corresponds to the reference photocatalytic test conducted in water at pH 7). Influence of some transition metal chlorides used at 100 µM concentration on the photocatalytic efficiency of the ZnO/ZCIS catalyst (the black curve corresponds to the reference photocatalytic test). Recyclability

The integration of graphene into microelectronic devices

• Guenther Ruhl,
• Sebastian Wittmann,
• Matthias Koenig and
• Daniel Neumaier

Beilstein J. Nanotechnol. 2017, 8, 1056–1064, doi:10.3762/bjnano.8.107

• graphene metal contacts. From today’s perspective the main issues for wafer-scale integration of graphene are well known, and the future of graphene (and other two-dimensional materials, namely transition metal dichalkogenides) in microelectronics depends on the successful solution of these problems

Structural properties and thermal stability of cobalt- and chromium-doped α-MnO₂ nanorods

• Romana Cerc Korošec,
• Polona Umek,
• Alexandre Gloter,
• Jana Padežnik Gomilšek and
• Peter Bukovec

Beilstein J. Nanotechnol. 2017, 8, 1032–1042, doi:10.3762/bjnano.8.104

• . After cooling down to room temperature, the resulting brown-black precipitate was collected by centrifugation, then washed first with 30 mL of deionized water, then with 30 mL of methanol, and finally dried overnight at 100 °C. In the case of doping with transition metal ions (Cr3+ or Co2+), 0.12 mmol

Tuning the spin coherence time of Cu(II)−(bis)oxamato and Cu(II)−(bis)oxamidato complexes by advanced ESR pulse protocols

• Ruslan Zaripov,
• Evgeniya Vavilova,
• Iskander Khairuzhdinov,
• Kev Salikhov,
• Violeta Voronkova,
• Mohammad A. Abdulmalic,
• Francois E. Meva,
• Saddam Weheabby,
• Tobias Rüffer,
• Bernd Büchner and
• Vladislav Kataev

Beilstein J. Nanotechnol. 2017, 8, 943–955, doi:10.3762/bjnano.8.96

• oxamidato unit bridging two neighbored paramagnetic transition metal ions is important for the maintaining of the superexchange interaction. This transfer also gives rise to the hyperfine (HF) coupling between the Cu electron spin S = 1/2 and 14N nuclear spins I = 1 which has been studied with ESR

Energy-level alignment at interfaces between manganese phthalocyanine and C₆₀

• Daniel Waas,
• Florian Rückerl,
• Martin Knupfer and
• Bernd Büchner

Beilstein J. Nanotechnol. 2017, 8, 927–932, doi:10.3762/bjnano.8.94

• reproduce previous experimental results and to provide a comprehensive overview over the possible energy level alignments [26]. One class of materials that has been considered as constituents of organic devices quite often is the family of transition-metal phthalocyanines [27]. Indeed, several

• and an appropriate electron acceptor is a crucial process. Often, fullerenes (C60) and their derivatives are used as acceptor materials. Amongst the transition-metal phthalocyanines MnPc is exceptional in some respects. Due to the participation of manganese 3d orbitals to the molecular electronic

• states close to the Fermi energy, MnPc differs significantly from other transition-metal phthalocyanines, as it is characterized by the smallest ionization potential, the largest electron affinity, the smallest band gap and the largest exciton-binding energy [37][38][39][40][41][42]. Furthermore, it has

Probing the magnetic superexchange couplings between terminal Cu^II ions in heterotrinuclear bis(oxamidato) type complexes

• Mohammad A. Abdulmalic,
• Saddam Weheabby,
• Francois E. Meva,
• Azar Aliabadi,
• Vladislav Kataev,
• Bernd Büchner,
• Frederik Schleife,
• Berthold Kersting and
• Tobias Rüffer

Beilstein J. Nanotechnol. 2017, 8, 789–800, doi:10.3762/bjnano.8.82

• ) type transition metal complexes as mononuclear species (Figure 1, type I) have received very special attention, as they allow the synthesis of multidimensional nD (n = 0–3) products, of which the magnetic properties were of specific interest [5]. Bis(oxamidato) type complexes (Figure 1, type II) have

• between their terminal [Cu(pmdta)]2+ fragments. Thus, we can conclude that for trinuclear type IV as well as type III complexes incorporating exclusively 3d transition metal ions, no long-range magnetic couplings across two consecutively aligned oxamidato or oxamato bridges can occur. Experimental General

Synthesis of graphene–transition metal oxide hybrid nanoparticles and their application in various fields

• Arpita Jana,
• Elke Scheer and
• Sebastian Polarz

Beilstein J. Nanotechnol. 2017, 8, 688–714, doi:10.3762/bjnano.8.74

• ) and therefore offers the possibility to fabricate a large variety of graphene–transition metal oxide (TMO) NP hybrids. These hybrid materials are promising alternatives to reduce the drawbacks of using only TMO NPs in various applications, such as anode materials in lithium ion batteries (LIBs

• perspectives to improve the properties of the hybrid materials in view of applications are outlined. Keywords: graphene; hybrid; nanoparticle; reduced graphene oxide; transition metal oxide; Review Introduction Graphene consists of a single layer of carbon in a two-dimensional (2D) lattice. It is a densely

• its susceptibility to oxidative environments. In the last few decades, the synthesis of transition metal oxide (TMO) NPs has attracted much attention, providing the advantages of controlled shape, size, crystallinity and functionality, as well as being ecologically benign, corrosion resistance, easily

Carbon nanotube-wrapped Fe₂O₃ anode with improved performance for lithium-ion batteries

• Guoliang Gao,
• Yan Jin,
• Qun Zeng,
• Deyu Wang and
• Cai Shen

Beilstein J. Nanotechnol. 2017, 8, 649–656, doi:10.3762/bjnano.8.69

• /COOH-MWCNT composite. This is a common phenomenon in transition metal oxide anode materials. It can be ascribed to the penetration of the electrolyte and gradual exposure of the active sites [38][39][40]. The discharge capacity of the Fe2O3/COOH-MWCNT composite stabilized at 711.2 mAh·g−1 at a current

Graphene functionalised by laser-ablated V₂O₅ for a highly sensitive NH₃ sensor

• Margus Kodu,
• Artjom Berholts,
• Tauno Kahro,
• Mati Kook,
• Peeter Ritslaid,
• Helina Seemen,
• Tea Avarmaa,
• Harry Alles and
• Raivo Jaaniso

Beilstein J. Nanotechnol. 2017, 8, 571–578, doi:10.3762/bjnano.8.61

• precious metal [4] or metal oxide nanoparticles [5]. Also, introduction of suitable defects was shown to have a positive effect on gas adsorption and sensor properties of graphene [6]. Transition metal oxides constitute an important class of catalysts and photosensitizers. Apart from the very first and

Role of oxygen in wetting of copper nanoparticles on silicon surfaces at elevated temperature

• Tapas Ghosh and
• Biswarup Satpati

Beilstein J. Nanotechnol. 2017, 8, 425–433, doi:10.3762/bjnano.8.45

• . Keywords: copper; cupric oxide; electron diffraction; galvanic displacement reaction; oxidation; surface wetting; transmission electron microscopy; Introduction The transition metal oxide cupric oxide (CuO) is a stable oxide of copper, and due to its diverse applications, immense research on CuO

In-situ monitoring by Raman spectroscopy of the thermal doping of graphene and MoS₂ in O₂-controlled atmosphere

• Aurora Piazza,
• Filippo Giannazzo,
• Gianpiero Buscarino,
• Gabriele Fisichella,
• Antonino La Magna,
• Fabrizio Roccaforte,
• Marco Cannas,
• Franco Mario Gelardi and
• Simonpietro Agnello

Beilstein J. Nanotechnol. 2017, 8, 418–424, doi:10.3762/bjnano.8.44

• in oxygen at temperatures below 400 °C. It has also been shown that the effect of doping is sensitive to the ambient atmosphere. In particular, water molecules affect the doping stability [20][21]. Alongside Gr, the transition metal dichalcogenide MoS2 is one of the stable 2D materials of interest [1

• clearly seen. This finding suggests that the observed erosion of the flakes is driven by the formation of oxidized regions at the borders of the MoS2 flakes that gradually convert them to MoO3, before completely destroying them. Similar effects have been suggested for other transition metal

Impact of contact resistance on the electrical properties of MoS₂ transistors at practical operating temperatures

• Filippo Giannazzo,
• Gabriele Fisichella,
• Aurora Piazza,
• Salvatore Di Franco,
• Giuseppe Greco,
• Simonpietro Agnello and
• Fabrizio Roccaforte

Beilstein J. Nanotechnol. 2017, 8, 254–263, doi:10.3762/bjnano.8.28

• 373 K, which was explained in terms of electron trapping at MoS2/SiO2 interface states. Keywords: contact resistance; mobility; MoS2; temperature dependence; threshold voltage; Introduction Transition metal dichalcogenides (TMDs) are compound materials formed by the Van der Waals stacking of MX2

• layers (where M = Mo, W, etc., i.e., a transition metal, and X = S, Se, Te, i.e., a chalcogen atom). Among the large number of existing layered materials [1], TMDs are currently attracting increasing scientific interest due to some distinct properties, such as the presence of a sizable bandgap in their

Phosphorus-doped silicon nanorod anodes for high power lithium-ion batteries

• Chao Yan,
• Qianru Liu,
• Jianzhi Gao,
• Zhibo Yang and
• Deyan He

Beilstein J. Nanotechnol. 2017, 8, 222–228, doi:10.3762/bjnano.8.24

• -based anodes. To match the practical use of Si-based anodes, sulfur (1675 mAh/g) and/or transition-metal-sulphides might be the potential candidates for the state-of-the-art commercial cathodes [15]. In addition, the rate performance of the resulting Si anode was tested and the result is illustrated as

Cubic chemically ordered FeRh and FeCo nanomagnets prepared by mass-selected low-energy cluster-beam deposition: a comparative study

• Veronique Dupuis,
• Anthony Robert,
• Arnaud Hillion,
• Ghassan Khadra,
• Nils Blanc,
• Damien Le Roy,
• Florent Tournus,
• Clement Albin,
• Olivier Boisron and
• Alexandre Tamion

Beilstein J. Nanotechnol. 2016, 7, 1850–1860, doi:10.3762/bjnano.7.177

• what is expected for free 3D transition metal clusters [33] the magnetic signal of FeCo clusters increases with size for as-prepared and annealed FeCo clusters embedded in a carbon matrix. Moreover, the reduced magnetic moments in the FeCo nanoparticles, which could be due to the formation of a non

In situ formation of reduced graphene oxide structures in ceria by combined sol–gel and solvothermal processing

• Jingxia Yang,
• Johannes Ofner,
• Bernhard Lendl and
• Ulrich Schubert

Beilstein J. Nanotechnol. 2016, 7, 1815–1821, doi:10.3762/bjnano.7.174

• capacity. It is mostly used together with other components, such as noble metals or transition metal oxides, such as NiO or Co3O4, because synergistic effects improve the catalytic properties. Graphene-modified CeO2 greatly enhances the performance in electrochemical devices (supercapacitors, fuel cells or

High performance Ce-doped ZnO nanorods for sunlight-driven photocatalysis

• Bilel Chouchene,
• Tahar Ben Chaabane,
• Lavinia Balan,
• Emilien Girot,
• Kevin Mozet,
• Ghouti Medjahdi and
• Raphaël Schneider

Beilstein J. Nanotechnol. 2016, 7, 1338–1349, doi:10.3762/bjnano.7.125

• photocatalyst is only weakly sensitive to salts commonly present in wastewater. Noteworthy is also that the Cl− and SO42− anions, which are well-known to be •OH radicals scavengers, have no detrimental effect on the photocatalytic activity. Transition metal salts used at 100 µM concentration like ZnCl2 or FeCl3

• rods used under solar light irradiation (Volume of solution, 30 mL; Orange II concentration, 10 mg/L; mass of catalyst, 30 mg). Effects of (a) transition metal salts and (b) of organic compounds and Na2S on the photocatalytic efficiency of the ZnO:Ce rods used under solar light irradiation (Volume of