Rigid multipodal platforms for metal surfaces

• Michal Valášek,
• Marcin Lindner and
• Marcel Mayor

Beilstein J. Nanotechnol. 2016, 7, 374–405, doi:10.3762/bjnano.7.34

• aromatic systems to make a strong and more conductive contact. Aromatic tripodal adsorbates The synthesis of tetraphenylmethane-based anchor with three sulfanylmethyl feet was pioneered by Aso and co-workers [92]. They designed and studied [60]fullerene-linked oligothiophene tetramer and octamer

Synthesis and applications of carbon nanomaterials for energy generation and storage

• Marco Notarianni,
• Jinzhang Liu,
• Kristy Vernon and
• Nunzio Motta

Beilstein J. Nanotechnol. 2016, 7, 149–196, doi:10.3762/bjnano.7.17

• important to be addressed with urgency in order to also solve other offshoot problems. In one of his last talks, Richard E. Smalley, the 1996 Nobel Laureate in Chemistry for the discovery of the fullerene, presented a list named “Top Ten Problems of Humanity for the Next 50 Years” [5]. The list was

• was only in the mid-1980s that H. Kroto, R. Smalley and R. Curl were able to detect the first fullerene molecule obtained by laser vaporization of carbon from a graphite target using mass spectroscopy [22]. The name fullerene (C60) was dedicated to the architect Buckminster Fuller who was famous for

• hexagons around the equatorial plane and exhibits a more oval shape (Figure 4) [26]. The main properties of C60 are [25]: Young’s modulus, ≈14 GPa Electrical resistivity, ≈1014 Ω m Thermal conductivity, ≈0.4 W/mK Band gap, 1.7 eV The other fullerene species show similar properties to C60. Depending on the

Negative differential electrical resistance of a rotational organic nanomotor

• Hatef Sadeghi,
• Sara Sangtarash,
• Qusiy Al-Galiby,
• Rachel Sparks,
• Steven Bailey and
• Colin J. Lambert

Beilstein J. Nanotechnol. 2015, 6, 2332–2337, doi:10.3762/bjnano.6.240

• branch. The backbone consists of five interconnected phenyl rings with attached methyl groups to prevent the backbone from twisting and is stabilized at either end by a fullerene, C60 terminating group. The C60 at either end not only stabilizes the molecule, but also allows the molecule to appear more

Nanostructures for sensors, electronics, energy and environment II

• Nunzio Motta

Beilstein J. Nanotechnol. 2015, 6, 1937–1938, doi:10.3762/bjnano.6.197

• also be used to offset these effects, acting as a valuable material for energy generation, storage, carbon sequestration [1] and sensing [2][3]. Carbon can be employed in one or more of its allotrope forms (e.g., graphene, carbon nanotubes, fullerene) in devices such as organic and inorganic solar

Nanotechnology in the real world: Redeveloping the nanomaterial consumer products inventory

• Marina E. Vance,
• Todd Kuiken,
• Eric P. Vejerano,
• Sean P. McGinnis,
• Michael F. Hochella Jr.,
• David Rejeski and
• Matthew S. Hull

Beilstein J. Nanotechnol. 2015, 6, 1769–1780, doi:10.3762/bjnano.6.181

• scale between the top and bottom panels in this plot. Major nanomaterial composition pairs in consumer products. Carbonaceous nanomaterials (carbon black, carbon nanotubes, fullerene, and graphene) were combined into the same category (carbon). Grey boxes in the diagonal represent the total times each

Current–voltage characteristics of manganite–titanite perovskite junctions

• Benedikt Ifland,
• Patrick Peretzki,
• Birte Kressdorf,
• Philipp Saring,
• Andreas Kelling,
• Michael Seibt and
• Christian Jooss

Beilstein J. Nanotechnol. 2015, 6, 1467–1484, doi:10.3762/bjnano.6.152

• to 5 × 10−7 cm2/V·s in hole-doped polymers) depending on the polaron effective mass. In addition to recombination rates, the mobility influences the diffusion length of electron–hole-type excitations. In polymer–fullerene solar cells, the diffusion length is significantly reduced down to the 10 nm

• fullerene C61-butyric acid methyl ester (PCBM) and µh = 5.0 × 10–7 cm2/V·s in the hole-doped polymer poly(2-methoxy-5-(3′,7′-dimethyloctyloxy)-p-phenylenevinylene) (MDMO–PPV) [2]. Absorption of photons leads to formation of tightly bound excitons that have a very low probability of dissociation. The exciton

• recombination mechanisms in polymer–fullerene solar cells. They concluded that in their devices, the recombination is a trap-assisted recombination at lower voltages and surface recombination at higher voltages. However, intramolecular recombination of excitons at traps within single-blend compounds depends

Enhanced fullerene–Au(111) coupling in (2√3 × 2√3)R30° superstructures with intermolecular interactions

• Michael Paßens,
• Rainer Waser and
• Silvia Karthäuser

Beilstein J. Nanotechnol. 2015, 6, 1421–1431, doi:10.3762/bjnano.6.147

• )R30° superstructures of fullerenes on the Au(111) surface have been studied using scanning tunneling microscopy and spectroscopy. It is shown that the deposition and growth process of a fullerene monolayer on the Au(111) surface determine the resulting superstructure. The supply of thermal energy is

• addition, hybrid fullerene–Au(111) surface states suggest partly covalent interactions. Keywords: adatom–vacancy mechanism; differential conductance; fullerene; Ising model; scanning tunnelling microscopy; Introduction Monolayers of close-packed fullerenes on metal surfaces belong to one of the most

• –metal interface. First systematic studies of close packed fullerene thin films on Au(111) surfaces using scanning tunnelling microscopy (STM) were performed by Altman and Colton [8][9][10]. They observed two structural arrangements, the (2√3 × 2√3)R30° and the uniform (7 × 7)R0° superlattices, with the

Electronic interaction in composites of a conjugated polymer and carbon nanotubes: first-principles calculation and photophysical approaches

• Florian Massuyeau,
• Jany Wéry,
• Jean-Luc Duvail,
• Serge Lefrant,
• Abu Yaya,
• Chris Ewels and
• Eric Faulques

Beilstein J. Nanotechnol. 2015, 6, 1138–1144, doi:10.3762/bjnano.6.115

• emitting diodes and photovoltaic cells [1][2]. Tuning the optical and conductive properties of ECPs is possible either by tailoring the polymer backbone with chemical side groups [3] or by preparing composites with nanoparticles [4][5][6][7]. ECP hybrids containing carbon nanotubes, fullerene-based

• exceed the exciton diffusion length [12], which is the case for ECP–fullerene-based solar cells in which fullerene molecules are able to capture the negative charges while the holes remain on the conjugated polymer [13]. Still, evidence for similar photoinduced charge-transfer or energy-transfer

Fulleropeptide esters as potential self-assembled antioxidants

• Mira S. Bjelaković,
• Tatjana J. Kop,
• Jelena Đorđević and
• Dragana R. Milić

Beilstein J. Nanotechnol. 2015, 6, 1065–1071, doi:10.3762/bjnano.6.107

• , 11158 Belgrade, Serbia 10.3762/bjnano.6.107 Abstract The potential use of amphiphilic fullerene derivatives as a bionanomaterial was investigated by cyclic voltammetry (CV), scanning electron microscopy (SEM), and the ferrous ion oxidation–xylenol orange (FOX) method. Despite the disrupted

• at the same time novel opportunities for developing diverse scientific fields, particularly in materials science [1], supramolecular chemistry [2], and medicinal chemistry [3][4]. The derivatization of fullerene with peptide units substantially modifies its original properties, rendering them

• functionalized fullerenes are able to self-assemble into a plethora of supramolecular structures, such as spheres, nanotubes, vesicles, rods, nanowires, and nanofibers [9][10][11]. Also, formation of diverse morphologies of self-assembled fullerene derivatives under different external conditions has also been

Statistics of work and orthogonality catastrophe in discrete level systems: an application to fullerene molecules and ultra-cold trapped Fermi gases

• Antonello Sindona,
• Michele Pisarra,
• Mario Gravina,
• Cristian Vacacela Gomez,
• Pierfrancesco Riccardi,
• Giovanni Falcone and
• Francesco Plastina

Beilstein J. Nanotechnol. 2015, 6, 755–766, doi:10.3762/bjnano.6.78

• of them is the valence electron shake-up induced by photo-ionization of a core state in a fullerene molecule. The other is the response of an ultra-cold gas of trapped fermions to an embedded two-level atom excited by a fast pulse. Working at low thermal energies, we detect the primary role played by

• many-particle states of the perturbed system with one or two excited fermions. We validate our approach through the comparison with some photoemission data on fullerene films and previous analytical calculations on harmonically trapped Fermi gases. Keywords: nanostructured systems; non-equilibrium

• to compute the work distribution (Section 1), based on the knowledge of the initial ground state and the low-lying final perturbed states of the systems (Section 2). To treat the fullerene molecule, we use density-functional theory (DFT) and simulate the sudden creation of a core state, by replacing

X-ray photoelectron spectroscopy of graphitic carbon nanomaterials doped with heteroatoms

• Toma Susi,
• Thomas Pichler and
• Paola Ayala

Beilstein J. Nanotechnol. 2015, 6, 177–192, doi:10.3762/bjnano.6.17

• measurements on MWCNTs with greater widths even when measured with the same energy resolution. Although many different fullerene structures are known, the term fullerene (or “buckyball”) often simply refers to the spherical C60 molecule resembling a soccer ball, which was the first of their kind to be

• to firmly establish the metrology of dopants in carbon nanomaterials. Structural models of graphitic carbon nanomaterials. Clockwise from top left: graphene, graphite, C60 fullerene, and a single-walled carbon nanotube. The photoemission response of metallicity-separated and purified single-walled

Localized surface plasmon resonances in nanostructures to enhance nonlinear vibrational spectroscopies: towards an astonishing molecular sensitivity

• Dan Lis and
• Francesca Cecchet

Beilstein J. Nanotechnol. 2014, 5, 2275–2292, doi:10.3762/bjnano.5.237

• enhancement of the non-resonant SFG intensity from the metallic surface itself was mentioned to be greater than 104. Later in 1999, the authors demonstrated the feasibility to use a similar plasmonic substrate to amplify the resonant SFG signals of copper phthalocyanine and fullerene films adsorbed onto the

Two-dimensional and tubular structures of misfit compounds: Structural and electronic properties

• Tommy Lorenz,
• Jan-Ole Joswig and
• Gotthard Seifert

Beilstein J. Nanotechnol. 2014, 5, 2171–2178, doi:10.3762/bjnano.5.226

• lattice structure as they have in their bulk phases. For this reason we will not go beyond mentioning GICs here and refer the interested reader to the respective literature. Examples SnS–SnS2 layers and nanotubes In 2003, inorganic fullerene-like nanoparticles and small nanotubes were synthesized [5

Carbon nano-onions (multi-layer fullerenes): chemistry and applications

• Juergen Bartelmess and
• Silvia Giordani

Beilstein J. Nanotechnol. 2014, 5, 1980–1998, doi:10.3762/bjnano.5.207

• ; Review Introduction Since the discovery of the fullerene C60 in 1985 by Curl, Kroto and Smalley [1], carbon nanomaterials have been the focus of interdisciplinary chemical research. In the following years, several other carbon based nanomaterials were discovered, namely carbon nanotubes (CNTs) [2][3][4

• the one of fullerene C60. These encouraging results could be a first step toward in situ remediation of heavy metal contaminants. Electronic applications Capacitors: Carbon materials are commonly used as electrode materials in capacitors, but the first study probing CNOs as electrode materials in

• fullerene-C60 derivatives. The measured data suggests that the intrinsic conductivity of CNOs and C60 is within the same order of magnitude. Conclusion Multi-shell fullerenes, known as carbon nano-onions (CNOs), were discovered in 1992 and are structured by concentric shells of carbon atoms in a graphitic

Non-covalent and reversible functionalization of carbon nanotubes

• Antonello Di Crescenzo,
• Valeria Ettorre and
• Antonella Fontana

Beilstein J. Nanotechnol. 2014, 5, 1675–1690, doi:10.3762/bjnano.5.178

• closed at their ends by hemispheric fullerene caps are referred to as single-walled nanotubes (SWCNTs) and their diameter ranges from 0.4 nm to 5 nm [2][3]. Multi-walled carbon nanotubes, made up of several concentric graphene cylinders, are much bigger with diameters from a few to tens of nanometers

Donor–acceptor graphene-based hybrid materials facilitating photo-induced electron-transfer reactions

• Anastasios Stergiou,
• Georgia Pagona and
• Nikos Tagmatarchis

Beilstein J. Nanotechnol. 2014, 5, 1580–1589, doi:10.3762/bjnano.5.170

• electron donor and C60 were added to GO through an esterification reaction between the carboxyl groups of GO and the hydroxy groups present on ZnPc as well as on the fullerene derivative. Photoexcitation of ZnPc–GO–C60 at 390 nm, the wavelength at which ZnPc was predominantly excited, resulted in the

Synthesis of hydrophobic photoluminescent carbon nanodots by using L-tyrosine and citric acid through a thermal oxidation route

• Venkatesh Gude

Beilstein J. Nanotechnol. 2014, 5, 1513–1522, doi:10.3762/bjnano.5.164

• molecule detection, energy transfer [1]. A special form of carbon (smaller than 10 nm in size) exhibiting fascinating properties are carbon nanodots (CNDs), which are different in their properties from zero-band gap graphene, diamond, and fullerene. Carbon nanodots (CNDs) exhibit properties such as

Nano-rings with a handle – Synthesis of substituted cycloparaphenylenes

• Anne-Florence Tran-Van and
• Hermann A. Wegner

Beilstein J. Nanotechnol. 2014, 5, 1320–1333, doi:10.3762/bjnano.5.145

• as fullerene [1], graphene [2] and carbon nanotubes (CNTs) [3]. Research on these materials has been originally conducted by physicists. Also, the preparation methods relied on physical processes [4][5]. In the past decade the field is also more and more a playground for organic chemists as these

Neutral and charged boron-doped fullerenes for CO₂ adsorption

• Suchitra W. de Silva,
• Aijun Du,
• Wijitha Senadeera and
• Yuantong Gu

Beilstein J. Nanotechnol. 2014, 5, 413–418, doi:10.3762/bjnano.5.49

• to reduce the global emissions of greenhouse gases. It is crucial to find suitable materials to achieve an efficient CO2 capture. Here we report our study of CO2 adsorption on boron-doped C60 fullerene in the neutral state and in the 1e−-charged state. We use first principle density functional

• years metal organic frameworks (MOFs) have emerged as solid CO2 adsorbent materials due to their tuneable chemical and physical properties. Particularly, there is growing interest for metal free carbon-based nanomaterials for gas adsorption. Carbon-based nanomaterials such as fullerene, carbon nanotubes

• and graphene offer excellent thermal and chemical stability as CO2 adsorbents [7][8]. Heterofullerenes are fullerene structures in which one or more cage carbon atoms are substituted by heteroatoms [9]. In addition to the properties mentioned above, which are inherent to carbon-based nanomaterials

Fullerenes as adhesive layers for mechanical peeling of metallic, molecular and polymer thin films

• Maria B. Wieland,
• Anna G. Slater,
• Barry Mangham,
• Neil R. Champness and
• Peter H. Beton

Beilstein J. Nanotechnol. 2014, 5, 394–401, doi:10.3762/bjnano.5.46

• facilitates the removal of the gold film from the mica support by peeling and provides a new approach to template stripping which avoids the use of conventional adhesive layers. The fullerene adhesion layers may also be used to remove organic monolayers and thin films as well as two-dimensional polymers which

• are pre-formed on the gold surface and have monolayer thickness. Following the removal from the mica support the monolayers may be isolated and transferred to a dielectric surface by etching of the gold thin film, mechanical transfer and removal of the fullerene layer by annealing/dissolution. The use

• adhesive properties of the fullerene C60, and show that films with a thickness greater than 10 nm can be used for this application. The use of a sublimed C60 adhesion layer also ensures high chemical purity, is compatible with formation under ultra-high vacuum (UHV) conditions and is known, even for

Morphological characterization of fullerene–androsterone conjugates

• Alberto Ruiz,
• Margarita Suárez,
• Nazario Martin,
• Fernando Albericio and
• Hortensia Rodríguez

Beilstein J. Nanotechnol. 2014, 5, 374–379, doi:10.3762/bjnano.5.43

• , University of KwaZulu-Natal, Durban 400l, South Africa 10.3762/bjnano.5.43 Abstract Here we report on the self-organization characteristics in water of two diastereomer pairs of fullerene–androsterone hybrids that have the hydrophobic C60 appendage in the A and D ring of the androsterone moiety

• , respectively. The morphology and particle size in aqueous solution were determined by transmission electron microscopy (TEM) and dynamic light scattering (DLS), with satisfactory agreement between both techniques. In general, these fullerene derivatives are shown to organize into spherical nano-scale

• structures with diameters in the ranges of 10–20 and 30–50 nm, respectively. Keywords: androsterone; dynamic light scattering; fullerene; transmission electron microscopy; Introduction Since the discovery of [60]fullerene [1], the efforts of the scientific community have been focused on the preparation of

Tensile properties of a boron/nitrogen-doped carbon nanotube–graphene hybrid structure

• Kang Xia,
• Haifei Zhan,
• Ye Wei and
• Yuantong Gu

Beilstein J. Nanotechnol. 2014, 5, 329–336, doi:10.3762/bjnano.5.37

• approaches have been developed to tailor the properties of nanomaterials. Doping is one of such schemes and has been extensively used in synthesizing derivatives from carbon-based materials (e.g., fullerene, nanotubes and graphene) [10]. Boron and nitrogen, which have comparable atomic size with carbon atom

Optimization of solution-processed oligothiophene:fullerene based organic solar cells by using solvent additives

• Gisela L. Schulz,
• Marta Urdanpilleta,
• Roland Fitzner,
• Eduard Brier,
• Elena Mena-Osteritz,
• Egon Reinold and
• Peter Bäuerle

Beilstein J. Nanotechnol. 2013, 4, 680–689, doi:10.3762/bjnano.4.77

• to energy levels of three different electron-accepting fullerene derivatives used in the various experiments. Solar cell devices were fabricated by spin-coating the DCV5T-Bu4:PCBM blend from hot solutions at 80 °C on ITO|PEDOT:PSS-coated substrates, which were heated to 90 °C. Subsequently 1 nm LiF

• PC71BM and PC61BM, respectively. This is in agreement with work done by Troshin et al., in which they correlated maximum solubilities of dozens of fullerene derivatives with maximum solar cell performances. In their study they proposed that novel donor polymers should be tested in organic solar cells

• with fullerene derivatives that have a similar solubility in the used solvent [40]. Acceptor-substituted oligothiophene DCV5T-Bu4 possesses the unique characteristic of being processable both in vacuum and from solution, which allows for a rare comparison of the two device types (Table 3). The

Topological edge properties of C_60+12n fullerenes

• A. Mottaghi and
• Ali R. Ashrafi

Beilstein J. Nanotechnol. 2013, 4, 400–405, doi:10.3762/bjnano.4.47

• , respectively. The molecular graph M is called a fullerene graph, if M is the molecular graph of a fullerene molecule. It is well-known that such molecules exist for even integers n ≥ 24 or n = 20. The aim of this paper is to investigate the topological properties of a class of fullerene molecules containing 60

• + 12n carbon atoms. Keywords: edge revised Szeged index; edge Szeged index; edge topological property; fullerene; PI index; Introduction Throughout this paper the term "graph" refers to a finite and simple graph. The set of vertices and edges of a graph G are denoted by V(G) and E(G), respectively

• . Molecular graphs are graphs with vertices representing the atoms and edges representing the bonds. A bi-connected graph is a connected graph in which, by removing any vertex, the graph will remain connected. A graph in which all vertices have degree three is called a cubic graph. A fullerene graph is a

Strong spin-filtering and spin-valve effects in a molecular V–C₆₀–V contact

• Mohammad Koleini and
• Mads Brandbyge

Beilstein J. Nanotechnol. 2012, 3, 589–596, doi:10.3762/bjnano.3.69

• . Keywords: fullerene; molecular spintronics; scanning tunneling microscopy; spin transport; Introduction Organic materials typically offer small spin–orbit and hyperfine interactions, which are prerequisites for spintronic applications, because they allow long spin lifetimes. Thus there is a great interest