The rational design of a Au(I) precursor for focused electron beam induced deposition

• Ali Marashdeh,
• Thiadrik Tiesma,
• Niels J. C. van Velzen,
• Sjoerd Harder,
• Remco W. A. Havenith,
• Jeff T. M. De Hosson and
• Willem F. van Dorp

Beilstein J. Nanotechnol. 2017, 8, 2753–2765, doi:10.3762/bjnano.8.274

• . The bond between Au (or any other transition metal) and CO is historically explained by the synergistic backbonding model (Figure 3a) [53]. The free electron pair of the C atom can be donated into an empty orbital of the metal. Vice versa, electrons from partially filled d-orbitals can be donated back

Ab initio study of adsorption and diffusion of lithium on transition metal dichalcogenide monolayers

• Xiaoli Sun and
• Zhiguo Wang

Beilstein J. Nanotechnol. 2017, 8, 2711–2718, doi:10.3762/bjnano.8.270

• Xiaoli Sun Zhiguo Wang School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu, 610054, P.R. China 10.3762/bjnano.8.270 Abstract Using first principles calculations, we studied the stability and electronic properties of transition metal dichalcogenide

• monolayers explored in this work can be used as promising anode materials for lithium ion batteries. Keywords: anode materials; lithium adsorption; lithium diffusion; lithium ion batteries; transition metal dichalcogenide; Introduction Lithium ion batteries (LIBs) have been widely used in portable

• for LIBs [2][3][4][5][6][7][8]. Two-dimensional transition metal dichalcogenides, MX2 (where M and X correspond to transition metal and chalcogen atoms, respectively), have been synthesized using different strategies, such as exfoliation [9][10], physical vapour deposition [11] and chemical vapour

One-step chemical vapor deposition synthesis and supercapacitor performance of nitrogen-doped porous carbon–carbon nanotube hybrids

• Egor V. Lobiak,
• Lyubov G. Bulusheva,
• Ekaterina O. Fedorovskaya,
• Yury V. Shubin,
• Pavel E. Plyusnin,
• Pierre Lonchambon,
• Boris V. Senkovskiy,
• Zinfer R. Ismagilov,
• Emmanuel Flahaut and
• Alexander V. Okotrub

Beilstein J. Nanotechnol. 2017, 8, 2669–2679, doi:10.3762/bjnano.8.267

• and porous carbon on the surface of MgO impregnated with bimetallic (transition metal/molybdenum) catalyst precursors. Acetonitrile was added to the methane feedstock to incorporate nitrogen into the graphitic network, which is beneficial for the electrochemical performance of the carbon materials [21

• ]. With the purpose to study the effect of the nature of the transition metal on the nitrogen content and the structure of the porous carbon–MWCNT hybrid, we used cluster-type polyoxomolybdates of Co, Ni, and Fe as catalyst precursors. In earlier work, we have shown that the thermal decomposition of such

• carbon [2]. Conclusion Nitrogen-doped porous carbon/MWCNT hybrid materials were synthesized using cluster molecules containing molybdenum and transition metal as a source of catalytic nanoparticles for the CCVD synthesis. The cluster molecules were distributed over a MgO support before oxidation in air

Adsorption of iron tetraphenylporphyrin on (111) surfaces of coinage metals: a density functional theory study

• Hao Tang,
• Nathalie Tarrat,
• Véronique Langlais and
• Yongfeng Wang

Beilstein J. Nanotechnol. 2017, 8, 2484–2491, doi:10.3762/bjnano.8.248

• spin switches. Keywords: activation barrier; density functional theory; iron tetraphenylporphyrin; spin switch; spin states; Introduction Porphyrins, phthalocyanines and their transition-metal (TM) complexes are largely investigated in surface science as reported in detail by Gottfried [1]. The

Synthesis of metal-fluoride nanoparticles supported on thermally reduced graphite oxide

• Alexa Schmitz,
• Kai Schütte,
• Vesko Ilievski,
• Juri Barthel,
• Laura Burk,
• Rolf Mülhaupt,
• Junpei Yue,
• Bernd Smarsly and
• Christoph Janiak

Beilstein J. Nanotechnol. 2017, 8, 2474–2483, doi:10.3762/bjnano.8.247

• , 35392 Gießen, Germany 10.3762/bjnano.8.247 Abstract Metal-fluoride nanoparticles, (MFx-NPs) with M = Fe, Co, Pr, Eu, supported on different types of thermally reduced graphite oxide (TRGO) were obtained by microwave-assisted thermal decomposition of transition-metal amidinates, (M{MeC[N(iPr)]2}n) or [M

• heterogeneous nanocatalysts [55][56]. Transition-metal-fluoride nanoparticles are applied, for example, as cathode materials in lithium-ion batteries for vehicles and other mobile devices [57]. In this field, the modification of lithium–transition-metal electrodes is a very important issue to improve the

• functionalities. Results and Discussion Transition-metal amidinates [M(AMD)n; M = Fe(II), Co(II), Pr(III)] as well as Eu(dpm)3 were dissolved or suspended under nitrogen atmosphere in the dried and deoxygenated ionic liquid together with the selected type of thermally reduced graphene oxide (TRGO). Complete

Fabrication of CeO₂–MO_x (M = Cu, Co, Ni) composite yolk–shell nanospheres with enhanced catalytic properties for CO oxidation

• Ling Liu,
• Jingjing Shi,
• Hongxia Cao,
• Ruiyu Wang and
• Ziwu Liu

Beilstein J. Nanotechnol. 2017, 8, 2425–2437, doi:10.3762/bjnano.8.241

• transition-metal mixed-oxide nanostructures. Based on this synthesis method, other CeO2-based composite oxides with various nanostructures can be expected to be fabricated through the pre-formation of CeO2 or CeO2-based solid solution with different morphologies and the subsequent decoration of highly

• dispersed transition-metal oxide cluster species. Information about crystallinity and phases of the samples were obtained from X-ray diffraction (XRD) analysis. Figure 6a displays the XRD patterns of the as-synthesized CeO2–MOx nanospheres. All diffraction peaks can be assigned to the fluorite-like cubic

Optical contrast and refractive index of natural van der Waals heterostructure nanosheets of franckeite

• Patricia Gant,
• Foad Ghasemi,
• David Maeso,
• Carmen Munuera,
• Elena López-Elvira,
• Riccardo Frisenda,
• David Pérez De Lara,
• Gabino Rubio-Bollinger,
• Mar Garcia-Hernandez and
• Andres Castellanos-Gomez

Beilstein J. Nanotechnol. 2017, 8, 2357–2362, doi:10.3762/bjnano.8.235

• that franckeite is a semiconductor with narrow band gap. Other 2D semiconductors, such as MoS2, present refractive indexes whose imaginary part vanishes within the visible region of the spectrum. Moreover, the refractive index of transition-metal dichalcogenides shows sharp features associated to the

Dissociative electron attachment to coordination complexes of chromium: chromium(0) hexacarbonyl and benzene-chromium(0) tricarbonyl

• Janina Kopyra,
• Paulina Maciejewska and
• Jelena Maljković

Beilstein J. Nanotechnol. 2017, 8, 2257–2263, doi:10.3762/bjnano.8.225

• ligands are removed has been previously reported for a series of transition-metal carbonyls [14][32]. It has also been suggested that such a behavior may be reminiscent of a successive removal of CO fragments in the cracking patterns of the negative ions. Hence, it is very likely that the [M(CO)x]− anions

The interplay between spin densities and magnetic superexchange interactions: case studies of mono- and trinuclear bis(oxamato)-type complexes

• Azar Aliabadi,
• Bernd Büchner,
• Vladislav Kataev and
• Tobias Rüffer

Beilstein J. Nanotechnol. 2017, 8, 2245–2256, doi:10.3762/bjnano.8.224

• , Faculty of Natural Sciences, TU Chemnitz, Strasse der Nationen 62, D-09111 Chemnitz, Germany 10.3762/bjnano.8.224 Abstract For future molecular spintronic applications the possibility to modify and tailor the magnetic properties of transition-metal complexes is very promising. One of such possibilities

• -metal complex fragments and transition-metal salts to type-II metalloligands to obtain discrete trinuclear and 1D polynuclear complexes (type III and IV, Scheme 1), respectively, or the synthesis of multifunctional 2D and 3D networks with potential applications in information storage, nanotechnology

• complexes and vice versa. Spin densities or the spin density distribution, respectively, of paramagnetic transition-metal complexes can be determined by making use of ESR spectroscopy. This method in its continuous wave [33] and, in particular, in the microwave-pulse versions [34][35][36][37][38][39][40][41

Comprehensive investigation of the electronic excitation of W(CO)₆ by photoabsorption and theoretical analysis in the energy region from 3.9 to 10.8 eV

• Mónica Mendes,
• Khrystyna Regeta,
• Filipe Ferreira da Silva,
• Nykola C. Jones,
• Søren Vrønning Hoffmann,
• Gustavo García,
• Chantal Daniel and
• Paulo Limão-Vieira

Beilstein J. Nanotechnol. 2017, 8, 2208–2218, doi:10.3762/bjnano.8.220

• ][20] spectroscopy experiments. Detailed knowledge of the electronic-state spectroscopy of transition-metal hexacarbonyls has attracted particular attention due to the ability of CO to form complexes with metals in low oxidation states. This is possible due to the presence of low-lying empty π

• Wnorowski et al. [26] revealed the strong dissociation character of W(CO)6, with no formation of bare W− metal anions. Negative ion states of transition-metal hexacarbonyls have been obtained by electron transmission spectroscopy (ETS) with W(CO)6 attachment energies of 1.53, 2.46 and 4.26 eV [27]. We note

• spectrum, representative of transition-metal carbonyl complexes for which unresolved spectral features remain to be solved, with a description as complete as possible of the electronic states. In the next section we provide details on the experimental and theoretical methods used in this study for W(CO)6

Evaluating the toxicity of TiO₂-based nanoparticles to Chinese hamster ovary cells and Escherichia coli: a complementary experimental and computational approach

• Alicja Mikolajczyk,
• Natalia Sizochenko,
• Ewa Mulkiewicz,
• Anna Malankowska,
• Michal Nischk,
• Przemyslaw Jurczak,
• Seishiro Hirano,
• Grzegorz Nowaczyk,
• Adriana Zaleska-Medynska,
• Jerzy Leszczynski,
• Agnieszka Gajewicz and
• Tomasz Puzyn

Beilstein J. Nanotechnol. 2017, 8, 2171–2180, doi:10.3762/bjnano.8.216

• reveal that the size and specific surface (as a potential source of a larger number of metal ions) are important factors for toxicity evaluation of modified TiO2-based nanoparticles. In a further perspective, more detailed investigations, including the use of a variety of transition metal-doped TiO2

Ta₂N₃ nanocrystals grown in Al₂O₃ thin layers

• Krešimir Salamon,
• Maja Buljan,
• Iva Šarić,
• Mladen Petravić and
• Sigrid Bernstorff

Beilstein J. Nanotechnol. 2017, 8, 2162–2170, doi:10.3762/bjnano.8.215

• generic procedure to realize highly tunable and designable optical properties of thin films containing transition-metal nitride nanocrystals. Keywords: nanocomposites; multilayers; refractory plasmonics; self-assembly; Ta2N3 nanoparticles; Introduction Metallic nanoparticles (NPs) can confine visible

• alternative plasmonic materials includes the transition-metal nitrides such as TiN, ZrN, TaN or HfN [11][12][13]. Their advantages are compatibility with the silicon CMOS technology and physical properties suitable for harsh environments (high melting point, chemical stability) [14]. In addition, most of

• containing transition-metal nitride nanocrystals. GISAXS patterns of as-grown and annealed MLs with the thinner (left column) and thicker (right column) metallic layers. The vertical and horizontal black lines are non-counting gaps between the segments of the 2D detector. XRR curves of as-grown and annealed

Electronic structure, transport, and collective effects in molecular layered systems

• Torsten Hahn,
• Tim Ludwig,
• Carsten Timm and
• Jens Kortus

Beilstein J. Nanotechnol. 2017, 8, 2094–2105, doi:10.3762/bjnano.8.209

• similar fluorinated copper phthalocyanine (F16CoPc), has demonstrated the occurrence of hybridization [11]. It was proved that a local charge transfer which affects only the transition-metal centers changes the charge state of the transition metal and is directly related to a change of its magnetic moment

Systematic control of α-Fe₂O₃ crystal growth direction for improved electrochemical performance of lithium-ion battery anodes

• Nan Shen,
• Miriam Keppeler,
• Barbara Stiaszny,
• Holger Hain,
• Filippo Maglia and
• Madhavi Srinivasan

Beilstein J. Nanotechnol. 2017, 8, 2032–2044, doi:10.3762/bjnano.8.204

• coulombic efficiency, its flat voltage curve and the low operating voltage of 0.1 V vs Li/Li+ it is limited to a lithium storage capacity of only 372 mAh g−1, given a stoichiometry of LiC6 [8]. In 2000, the Tarascon research group brought attention to transition metal oxides as a new class of possible anode

• materials that showed capacities in the range of twice as high as graphite [9], and some of them even show values higher than 1000 mAh g−1 with the interaction with lithium ions [10]. Therefore, transition metal oxides are candidates as new, high-capacity, electrode active materials in next generation LIBs

Intercalation of Si between MoS₂ layers

• Rik van Bremen,
• Qirong Yao,
• Soumya Banerjee,
• Deniz Cakir,
• Nuri Oncel and
• Harold J. W. Zandvliet

Beilstein J. Nanotechnol. 2017, 8, 1952–1960, doi:10.3762/bjnano.8.196

• Fermi level. Van der Waals materials with a band gap do not suffer from this limitation. Molybdenum disulfide (MoS2) is a member of the transition metal dichalcogenide (TMD) family that belongs to the class of van der Waals materials. Bulk MoS2 has a band gap of 1.29 eV, which increases to 1.90 eV for a

Spin-dependent transport and functional design in organic ferromagnetic devices

• Guichao Hu,
• Shijie Xie,
• Chuankui Wang and
• Carsten Timm

Beilstein J. Nanotechnol. 2017, 8, 1919–1931, doi:10.3762/bjnano.8.192

• artificially, such as by doping transition-metal ions into organic materials or using spin radicals [9][10][11][12][13]. The latter method may generate pure OFs. For example, poly((1,4-bis(2,2,6,6-tetramethyl-4-hydroxy-4-piperidyl-1-oxyl)butadiyne) (poly-BIPO) is a representative of π-conjugated pure OFs with

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

• calculations [9]. Bulk forms of transition-metal dichalcogenides (TMDs) are well-known coating materials, and the respective 2D TMDs can be used as surface protection. In addition, MoS2 is one of the most widely used lubricant coating material [10]. Theoretical and experimental studies have demonstrated that

(Metallo)porphyrins for potential materials science applications

• Lars Smykalla,
• Carola Mende,
• Michael Fronk,
• Pablo F. Siles,
• Michael Hietschold,
• Georgeta Salvan,
• Dietrich R. T. Zahn,
• Oliver G. Schmidt,
• Tobias Rüffer and
• Heinrich Lang

Beilstein J. Nanotechnol. 2017, 8, 1786–1800, doi:10.3762/bjnano.8.180

• combination of structural and (local) spectroscopic investigations is highly promising. For example, we regard the 2D nano-ribbons made of CuTPP(Br)8 molecules as a good starting point to investigate how to functionalize the porphyrins further with different (transition) metal atoms or functional groups to

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