Liquid fuel cells

• Grigorii L. Soloveichik

Beilstein J. Nanotechnol. 2014, 5, 1399–1418, doi:10.3762/bjnano.5.153

Restructuring of an Ir(210) electrode surface by potential cycling

• Khaled A. Soliman,
• Dieter M. Kolb,
• Ludwig A. Kibler and
• Timo Jacob

Beilstein J. Nanotechnol. 2014, 5, 1349–1356, doi:10.3762/bjnano.5.148

• Khaled A. Soliman Dieter M. Kolb Ludwig A. Kibler Timo Jacob Institut für Elektrochemie, Universität Ulm, 89069 Ulm, Germany Permanent address: Electrochemistry and Corrosion Laboratory, Physical Chemistry Department, National Research Centre, Cairo, 12622, Egypt 10.3762/bjnano.5.148 Abstract

Self-organization of mesoscopic silver wires by electrochemical deposition

• Sheng Zhong,
• Thomas Koch,
• Stefan Walheim,
• Harald Rösner,
• Eberhard Nold,
• Aaron Kobler,
• Torsten Scherer,
• Di Wang,
• Christian Kübel,
• Mu Wang,
• Horst Hahn and
• Thomas Schimmel

Beilstein J. Nanotechnol. 2014, 5, 1285–1290, doi:10.3762/bjnano.5.142

• electrochemical environments as well as for the fabrication of highly-ordered, single-crystalline metal nanowires. Keywords: crystal growth; electrochemistry; electrodeposition; mesowires; nanoelectrochemistry; nanowires; self-organization; silver nanowires; silver nitrate; stability; Introduction Nanoscale and

Double layer effects in a model of proton discharge on charged electrodes

• Johannes Wiebe and
• Eckhard Spohr

Beilstein J. Nanotechnol. 2014, 5, 973–982, doi:10.3762/bjnano.5.111

• behavior cannot be based solely on the electrochemical potential (or surface charge) but needs to resort to the molecular details of the double layer structure. Keywords: electrocatalysis; interfacial electrochemistry; proton discharge; reactive force field; trajectory calculations; Introduction One of

Volcano plots in hydrogen electrocatalysis – uses and abuses

• Paola Quaino,
• Fernanda Juarez,
• Elizabeth Santos and
• Wolfgang Schmickler

Beilstein J. Nanotechnol. 2014, 5, 846–854, doi:10.3762/bjnano.5.96

• catalysis is scarce. In electrochemistry, Gerischer [2] and Parsons [3][4] were the first to point out that certain models for the hydrogen reaction predicted a volcano-like curve. However, it was Trasatti [5] who collected experimental data and constructed the first volcano curve for hydrogen evolution

Adsorption and oxidation of formaldehyde on a polycrystalline Pt film electrode: An in situ IR spectroscopy search for adsorbed reaction intermediates

• Zenonas Jusys and
• R. Jürgen Behm

Beilstein J. Nanotechnol. 2014, 5, 747–759, doi:10.3762/bjnano.5.87

• dissociative adsorption and oxidation of formaldehyde are discussed. Keywords: electrocatalysis; formaldehyde adsorption; formyl intermediate; in situ spectro-electrochemistry; Pt; Introduction The electrooxidation of organic C1 molecules, in particular of methanol, has been one of the most important topics

Shape-selected nanocrystals for in situ spectro-electrochemistry studies on structurally well defined surfaces under controlled electrolyte transport: A combined in situ ATR-FTIR/online DEMS investigation of CO electrooxidation on Pt

• Sylvain Brimaud,
• Zenonas Jusys and
• R. Jürgen Behm

Beilstein J. Nanotechnol. 2014, 5, 735–746, doi:10.3762/bjnano.5.86

• spectro-electrochemistry; Pt; shape selected nanocrystals; Introduction Since the pioneering work of Bewick and coworkers [1][2], in situ infrared (IR) spectro-electrochemistry has been widely used to probe adsorbed species at the electrified solid/liquid interface under potential control. Among others

• , IR spectro-electrochemistry [3] was successfully employed to investigate the relations between electrode surface structure and the binding modes of adsorbed species [4][5][6][7][8][9][10], to identify poisoning species and adsorbed intermediates formed during electrocatalytic reactions [2][11][12][13

• base CV (hydrogen region) is equal to the charge displaced during CO adsorption at 0.10 VRHE (qdis). This provides a direct determination of the Epztc [27][28][29]. Electrochemical setup All electrochemical measurements, both in the beaker cell and in the in situ IR spectro-electrochemistry were

Constant chemical potential approach for quantum chemical calculations in electrocatalysis

• Wolfgang B. Schneider and
• Alexander A. Auer

Beilstein J. Nanotechnol. 2014, 5, 668–676, doi:10.3762/bjnano.5.79

• with the common implicit solvent models this scheme can become a powerful tool, especially for the investigation of omnipresent non-faradaic effects in electrochemistry. Keywords: density functional theory; electrocatalysis; electrochemistry; electronic strutcture theory; nanoparticles; quantum

• chemistry; Introduction In October 2012 the workshop “Elementary reaction steps in electrocatalysis: Theory meets experiment” was held in Reisensburg, Germany. Alongside exquisite experimental work on electrochemistry, numerous prominent contributions displayed the range of modern developments and

• applications of theory in electrochemistry. This included the application of solid state approaches [1][2][3][4], investigations on the role of the solvent [5][6][7][8][9] or simulations including explicit dynamics of reactants [10]. Furthermore, several contributors presented work in which cluster models were

Single-asperity contact mechanics with positive and negative work of adhesion: Influence of finite-range interactions and a continuum description for the squeeze-out of wetting fluids

• Martin H. Müser

Beilstein J. Nanotechnol. 2014, 5, 419–437, doi:10.3762/bjnano.5.50

Preparation of poly(N-vinylpyrrolidone)-stabilized ZnO colloid nanoparticles

• Tatyana Gutul,
• Emil Rusu,
• Nadejda Condur,
• Veaceslav Ursaki,
• Evgenii Goncearenco and
• Paulina Vlazan

Beilstein J. Nanotechnol. 2014, 5, 402–406, doi:10.3762/bjnano.5.47

• ., Chisinau MD-2009, Moldova National Institute of Electrochemistry and Condensed Matter, 144 Dr. A. Paunescu Podeanu str., Timisoara 300569, Romania 10.3762/bjnano.5.47 Abstract We propose a method for the synthesis of a colloidal ZnO solution with poly(N-vinylpyrrolidone) (PVP) as stabilizer. Stable

A catechol biosensor based on electrospun carbon nanofibers

• Dawei Li,
• Zengyuan Pang,
• Xiaodong Chen,
• Lei Luo,
• Yibing Cai and
• Qufu Wei

Beilstein J. Nanotechnol. 2014, 5, 346–354, doi:10.3762/bjnano.5.39

• and ECNFs and showed that the immobilization process had little influence on the activity of laccase. Direct electrochemistry and electrocatalysis of the laccase–Nafion–ECNFs/GCE Figure 4 presents the cyclic voltammograms of the laccase–Nafion–ECNFs/GCE in acetate buffer (pH 4.0) with scan rates from

Atomic layer deposition, a unique method for the preparation of energy conversion devices

• Julien Bachmann

Beilstein J. Nanotechnol. 2014, 5, 245–248, doi:10.3762/bjnano.5.26

• Julien Bachmann Institute of Inorganic Chemistry, Friedrich-Alexander University of Erlangen-Nürnberg, Egerlandstrasse 1, 91058 Erlangen, Germany 10.3762/bjnano.5.26 Keywords: atomic layer deposition; batteries; energy conversion; electrochemistry; electrolysis; fuel cells; photovoltaics; solar

Change of the work function of platinum electrodes induced by halide adsorption

• Florian Gossenberger,
• Tanglaw Roman,
• Katrin Forster-Tonigold and
• Axel Groß

Beilstein J. Nanotechnol. 2014, 5, 152–161, doi:10.3762/bjnano.5.15

• ; ionicity; polarizability; surface dipole; work function; Introduction In electrochemistry, processes at the interface between an electron conductor, the electrode, and an ion conductor, the electrolyte, are studied [1]. In order to be charge neutral, the electrolyte contains equal amounts of anions and

• they also change the work function of the electrode, which is directly related to the electrode potential [5]. Furthermore, they also affect the chemical properties of the electrodes [6]. In spite of the importance of the specific adsorption of anions in electrochemistry, atomistic details of the role

• of anions in surface electrochemistry are still poorly understood [7]. Here, surface science studies focusing on the change of the properties of metal surfaces upon halide adsorption can help to elucidate the role of anionic specific adsorption at electrode/electrolyte interfaces, in particular with

Constant-distance mode SECM as a tool to visualize local electrocatalytic activity of oxygen reduction catalysts

• Michaela Nebel,
• Thomas Erichsen and
• Wolfgang Schuhmann

Beilstein J. Nanotechnol. 2014, 5, 141–151, doi:10.3762/bjnano.5.14

• tip-to-sample separation by means of an additional electrochemistry-independent but distance-dependent analytical signal. Among other strategies for cd-mode imaging like the tip-position modulation mode (TPM) [3], AFM-SECM [4][5] and SECM-SICM [6][7], AC-SECM [8], the soft stylus probe [9][10] and the

Many-body effects in semiconducting single-wall silicon nanotubes

• Wei Wei and
• Timo Jacob

Beilstein J. Nanotechnol. 2014, 5, 19–25, doi:10.3762/bjnano.5.2

• Wei Wei Timo Jacob Institute of Electrochemistry, Ulm University, Albert-Einstein-Allee 47, D-89081 Ulm, Germany 10.3762/bjnano.5.2 Abstract The electronic and optical properties of semiconducting silicon nanotubes (SiNTs) are studied by means of the many-body Green’s function method, i.e., GW

Some reflections on the understanding of the oxygen reduction reaction at Pt(111)

• Ana M. Gómez-Marín,
• Ruben Rizo and
• Juan M. Feliu

Beilstein J. Nanotechnol. 2013, 4, 956–967, doi:10.3762/bjnano.4.108

• Ana M. Gomez-Marin Ruben Rizo Juan M. Feliu Instituto de Electroquímica, Universidad de Alicante, Apt. 99, Alicante, E-03080, Spain 10.3762/bjnano.4.108 Abstract The oxygen reduction reaction (ORR) is a pivotal process in electrochemistry. Unfortunately, after decades of intensive research, a

A facile synthesis of a carbon-encapsulated Fe₃O₄ nanocomposite and its performance as anode in lithium-ion batteries

• Raju Prakash,
• Katharina Fanselau,
• Shuhua Ren,
• Tapan Kumar Mandal,
• Christian Kübel,
• Horst Hahn and
• Maximilian Fichtner

Beilstein J. Nanotechnol. 2013, 4, 699–704, doi:10.3762/bjnano.4.79

• nanocomposite exhibits well constructed core–shell and nanotube structures, with Fe3O4 cores and graphitic shells/tubes. The as-synthesized material could be used directly as anode in a lithium-ion cell and demonstrated a stable capacity, and good cyclic and rate performances. Keywords: electrochemistry; iron

Energy-related nanomaterials

• Paul Ziemann and
• Alexei R. Khokhlov

Beilstein J. Nanotechnol. 2013, 4, 678–679, doi:10.3762/bjnano.4.76

• , energy storage poses an even greater challenge, requiring contributions from the fields of electrochemistry, catalysis and simulations on all length scales. Therefore, the cooperation of research facilities with a long-established experience in materials-oriented chemistry including catalysis and

• electrochemistry is a logical step, enabling the participating scientists to join their complementary knowledge and experience. The gains of such a multidisciplinary team play was the driving force for the initiation of joint projects between Ulm University, Moscow State (Lomonosov) University, and the Russian

• concern fuel cells, Li-based batteries, and organic solar cells, to energy-related applications of nanographite and silicon nanotubes as well as the optimization of thermoelectric materials and electrochemistry-based microscopy. We would like to thank all colleagues for their valuable contributions and

Preparation of electrochemically active silicon nanotubes in highly ordered arrays

• Tobias Grünzel,
• Young Joo Lee,
• Karsten Kuepper and
• Julien Bachmann

Beilstein J. Nanotechnol. 2013, 4, 655–664, doi:10.3762/bjnano.4.73

• depend on the geometry. Keywords: atomic layer deposition; electrochemistry; lithium ion battery electrode; silica thermal reduction; silicon nanotubes; Introduction A significant research and development effort has been dedicated to the positive electrode materials of lithium ion batteries [1]. In

In situ monitoring magnetism and resistance of nanophase platinum upon electrochemical oxidation

• Eva-Maria Steyskal,
• Stefan Topolovec,
• Stephan Landgraf,
• Heinz Krenn and
• Roland Würschum

Beilstein J. Nanotechnol. 2013, 4, 394–399, doi:10.3762/bjnano.4.46

• due to spin–orbit coupling. Keywords: electrical resistance; electrochemistry; magnetism; porous nanocrystalline Pt; tunable properties; Introduction Porous nanophase materials with electrochemically induced tunability of properties [1] have become a topic of growing research interest in the past

Electrospinning preparation and electrical and biological properties of ferrocene/poly(vinylpyrrolidone) composite nanofibers

• Ji-Hong Chai and
• Qing-Sheng Wu

Beilstein J. Nanotechnol. 2013, 4, 189–197, doi:10.3762/bjnano.4.19

• inside PVP nanofibers retian their electrochemical activity. The properties and facile preparation method make the Fc/PVP nanofibers promising for antibacterial and sensing applications. Keywords: composites; electrochemistry; electrospinning; membranes; porous materials; Introduction Electrospinning

Reversible mechano-electrochemical writing of metallic nanostructures with the tip of an atomic force microscope

• Christian Obermair,
• Marina Kress,
• Andreas Wagner and
• Thomas Schimmel

Beilstein J. Nanotechnol. 2012, 3, 824–830, doi:10.3762/bjnano.3.92

• successfully demonstrated on the nanometer scale. Keywords: atomic force microscopy; electrochemical deposition; electrochemistry; nanoelectronics; nanofabrication; nanolithography; nanotechnology; MEMS and NEMS; reversible processes; scanning probe microscopy and lithography; Introduction The

Revealing thermal effects in the electronic transport through irradiated atomic metal point contacts

• Bastian Kopp,
• Zhiwei Yi,
• Daniel Benner,
• Fang-Qing Xie,
• Christian Obermair,
• Thomas Schimmel,
• Johannes Boneberg,
• Paul Leiderer and
• Elke Scheer

Beilstein J. Nanotechnol. 2012, 3, 703–711, doi:10.3762/bjnano.3.80

• generator. After being developed in a mixture of MIBK:IPA (1:3), the patterned samples were mounted in an electron-beam evaporator under high vacuum (10−6 mbar) and metal (Au or Pt) was deposited at a rate of 1 Å/s. The metal thickness for the electrodes to be closed by electrochemistry was in the range of

Distribution of functional groups in periodic mesoporous organosilica materials studied by small-angle neutron scattering with in situ adsorption of nitrogen

• Monir Sharifi,
• Dirk Wallacher and
• Michael Wark

Beilstein J. Nanotechnol. 2012, 3, 428–437, doi:10.3762/bjnano.3.49

• Monir Sharifi Dirk Wallacher Michael Wark Institute of Physical Chemistry and Electrochemistry, Leibniz University Hannover, Callinstr. 3A, D-30167 Hannover, Germany Laboratory of Industrial Chemistry, Ruhr-University Bochum, Universitaetsstr. 150, D-44801 Bochum, Germany Berlin Neutron Scattering

• -Zentrum Berlin für Materialien und Energie GmbH, Berlin, Germany) for technical support during the SANS measurements and Prof. Jürgen Caro (Institute of Physical Chemistry and Electrochemistry, Leibniz University Hannover, Germany) for general support.

Parallel- and serial-contact electrochemical metallization of monolayer nanopatterns: A versatile synthetic tool en route to bottom-up assembly of electric nanocircuits

• Jonathan Berson,
• Assaf Zeira,
• Rivka Maoz and
• Jacob Sagiv

Beilstein J. Nanotechnol. 2012, 3, 134–143, doi:10.3762/bjnano.3.14

• –solution interface by ion migration to the electrode rather than by electron transfer to hydrated ions in solution. Keywords: AFM (SFM); bipolar electrochemistry; electrochemical metal deposition; monolayer patterning; nanolithography; self-assembled organosilane monolayers; Introduction The quest for a