Optically and electrically driven nanoantennas

• Monika Fleischer,
• Dai Zhang and
• Alfred J. Meixner

Beilstein J. Nanotechnol. 2020, 11, 1542–1545, doi:10.3762/bjnano.11.136

• breaks down [39][40]. Here, several approaches to create low-cost, large-area SERS substrates that exhibit homogeneous Raman intensity enhancement are introduced. The substrates are based on quasi-hexagonally ordered gold particles prepared by block-copolymer micellar nanolithography and electroless

• deposition [41], or on dense silver island films created by pulsed laser deposition [42] or physical vapor deposition [43]. In [44], individual plasmonic nanotags are prepared by coating gold nanoparticle clusters with Raman reporters. This work explores the minimum number of tags required for obtaining a

Amorphous Ni_xCo_yP-supported TiO₂ nanotube arrays as an efficient hydrogen evolution reaction electrocatalyst in acidic solution

• Yong Li,
• Peng Yang,
• Bin Wang and
• Zhongqing Liu

Beilstein J. Nanotechnol. 2019, 10, 62–70, doi:10.3762/bjnano.10.6

• electroless deposition [22]. The as-prepared electrode requires only a small overpotential of 107 mV and 125 mV to achieve current densities of 10 and 20 mA cm−2, respectively. Unfortunately, although the TMPs present excellent electrocatalytic activity in alkaline electrolytes [21][22][23], they are very

Low cost tips for tip-enhanced Raman spectroscopy fabricated by two-step electrochemical etching of 125 µm diameter gold wires

• Antonino Foti,
• Francesco Barreca,
• Enza Fazio,
• Cristiano D’Andrea,
• Paolo Matteini,
• Onofrio Maria Maragò and
• Pietro Giuseppe Gucciardi

Beilstein J. Nanotechnol. 2018, 9, 2718–2729, doi:10.3762/bjnano.9.254

• tip [29][30]. TERS tips are nowadays produced by the chemical/electrochemical etching of metal wires [31][32][33][34][35], metal coatings of AFM tips [36][37][38], electroless deposition, [39] galvanic displacement [40] or by advanced nanostructuration techniques such as electron beam induced

Self-assembled quasi-hexagonal arrays of gold nanoparticles with small gaps for surface-enhanced Raman spectroscopy

• Emre Gürdal,
• Simon Dickreuter,
• Fatima Noureddine,
• Pascal Bieschke,
• Dieter P. Kern and
• Monika Fleischer

Beilstein J. Nanotechnol. 2018, 9, 1977–1985, doi:10.3762/bjnano.9.188

• . A combination of micellar nanolithography and electroless deposition (ED) enables the tuning of the spacing and size of the noble metal nanoparticles. Long-range ordered quasi-hexagonal arrays of gold nanoparticles on silicon substrates with a variation of the particle sizes from about 20 nm to 120

• near-field-enhanced bio-analytics of molecules. SERS was demonstrated by measuring Raman spectra of 4-MBA on the gold nanoparticles. It was verified that a smaller inter-particle distance leads to an increased SERS signal. Keywords: block copolymer; electroless deposition; gold nanoparticles; micelle

• the size of the gold nanoparticles, a combination of micellar nanolithography and subsequent electroless deposition (ED) makes it possible to increase the size of the particles [18]. In this work, we follow the cost-effective and simple photochemical method outlined in [18], but in the present case

Bi-layer sandwich film for antibacterial catheters

• Gerhard Franz,
• Florian Schamberger,
• Hamideh Heidari Zare,
• Sara Felicitas Bröskamp and
• Dieter Jocham

Beilstein J. Nanotechnol. 2017, 8, 1982–2001, doi:10.3762/bjnano.8.199

• electrolessly deposited applying Tollens’ reagens, the cap layer is deposited by using chemical vapor deposition. Conclusion: The three main problems of this process, electroless deposition of a fragmented silver film on the surface of an electrically insulating organic polymer, irreproducible evaporation

• slurry of a silver salt [17][18][29]. The main issue is the low adhesion of these films. Therefore, the deposition of metallic silver has come to the fore. Because the substrate (organic polymer) is electrically insulating, the most common technique, electrolysis, is not applicable. Only an electroless

• deposition can lead to the intended pattern. We chose Tollens’s reaction to deposit fragmented metallic silver layers, which is described elsewhere [30][31]. The recipe (concentration and reaction conditions) was adopted from the textbook “Organikum” [32]. Briefly, the redox reaction consists of the

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

• temperature [14][15][16][17]. The galvanic displacement reaction is a part of the electroless deposition family. The name “electroless” signifies that no external voltage is required during the deposition. The other members of electroless deposition family are autocatalytic and substrate catalytic processes

• . The advantage of the galvanic displacement reaction over the other electroless deposition processes is that it requires no reducing agent, which makes the deposition easier and more pure. The galvanic displacement reaction has been employed for reduction of metals with higher reduction potential on

Influence of hydrofluoric acid treatment on electroless deposition of Au clusters

• Rachela G. Milazzo,
• Antonio M. Mio,
• Giuseppe D’Arrigo,
• Emanuele Smecca,
• Alessandra Alberti,
• Gabriele Fisichella,
• Filippo Giannazzo,
• Corrado Spinella and
• Emanuele Rimini

Beilstein J. Nanotechnol. 2017, 8, 183–189, doi:10.3762/bjnano.8.19

• nanoparticle arrays and to improve the conversion efficiency of hybrid photovoltaic devices. Keywords: electroless deposition; galvanic deposition; gold nanoparticles; HF acid treatment; HF-propelled motion; hydrogen termination; silicon surfaces; Introduction Gold nanoparticles on silicon substrates have

• involved in the deposition are described elsewhere [16]. The morphology of gold by electroless deposition is quite complex and a number of basic questions remain to be clarified, such as the nature of the interface with silicon in the presence of hydrofluoric acid (HF). It has been reported in some studies

• TEM micrographs of AuNPs electroless deposited on a Si substrate by immersion for 3 s in the solution after a DHF pretreatment of 240 s; sample preparation (a) standard high energy and (b) gentle milling procedure. Gold electroless deposition on Si(100) after an DHF pretreatment of 10 s (a) and 240 s

Conformal SiO₂ coating of sub-100 nm diameter channels of polycarbonate etched ion-track channels by atomic layer deposition

• Nicolas Sobel,
• Christian Hess,
• Manuela Lukas,
• Anne Spende,
• Bernd Stühn,
• M. E. Toimil-Molares and
• Christina Trautmann

Beilstein J. Nanotechnol. 2015, 6, 472–479, doi:10.3762/bjnano.6.48

• by electrochemical [10][11] or electroless deposition [12][13]. Transport processes in narrow nanochannels are strongly affected by the surface characteristics of these channels. In the case of etched polycarbonate, carboxylate groups (–COO−) are present at the surface [14]. Specific channel

Electrical properties of single CdTe nanowires

• Elena Matei,
• Camelia Florica,
• Andreea Costas,
• María Eugenia Toimil-Molares and
• Ionut Enculescu

Beilstein J. Nanotechnol. 2015, 6, 444–450, doi:10.3762/bjnano.6.45

• copolymer templates, while the filling methods range from electrochemical or electroless deposition, to atomic layer deposition or molten metal injection. The nanoporous polymer ion track membranes are obtained by polymer foil irradiation with swift heavy ions and further chemical etching of the ion tracks

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

• slightly higher, around 3 °C, due to the heat transfer from the surroundings. The Pt-film working electrode was prepared by electroless deposition of Pt [21] on the flat side of a semi-cylindrical Si prism. The working electrode was pressed against the planar Kel-F cell body via a circular gasket (ca. 0.1

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

• by electroless deposition on the flat plane of a Si prism, using the procedure published by Miyake et al. [18]. After polishing and cleaning of the Si prism, its flat surface was dipped into 40% NH4F (BASF, Selectipure grade) in order to remove the oxide layer and to obtain a H-terminated Si surface

Template based precursor route for the synthesis of CuInSe₂ nanorod arrays for potential solar cell applications

• Mikhail Pashchanka,
• Jonas Bang,
• Niklas S. A. Gora,
• Ildiko Balog,
• Rudolf C. Hoffmann and
• Jörg J. Schneider

Beilstein J. Nanotechnol. 2013, 4, 868–874, doi:10.3762/bjnano.4.98

• indirectly confirmed the flexibility of the solution route in preparation of semiconductors with controlled elemental composition. We recently successfully demonstrated electroless deposition of molecular precursors (Cu- and In-oximato complexes and thiourea) into track-etched polycarbonate templates and the

Characterization and properties of micro- and nanowires of controlled size, composition, and geometry fabricated by electrodeposition and ion-track technology

• Maria Eugenia Toimil-Molares

Beilstein J. Nanotechnol. 2012, 3, 860–883, doi:10.3762/bjnano.3.97

• in the channels or cavities of the given template. During growth, the nanostructures adopt the exact shape and size of the hosting channels [13]. The most commonly used templates are porous alumina [14], diblock-copolymers [15], and track-etched membranes. Electrochemical and electroless deposition

• - and nanostructures in addition are synthesized for applications in solar cells, flat-panel displays, and sensorics. The most common approaches to synthesize copper micro- and nanostructures include electrodeposition, chemical vapour deposition, electroless deposition, and solution growth [67][68][69

Electron-beam patterned self-assembled monolayers as templates for Cu electrodeposition and lift-off

• Zhe She,
• Andrea DiFalco,
• Georg Hähner and
• Manfred Buck

Beilstein J. Nanotechnol. 2012, 3, 101–113, doi:10.3762/bjnano.3.11

• deposition techniques [18], which also include evaporation [19][20], chemical vapour deposition (CVD) [21][22] and electroless deposition [22][23][24], electrodeposition [25][26][27][28] offers interesting perspectives, in particular at the nanoscale, due to the level of control over the deposition process

Self-assembled monolayers and titanium dioxide: From surface patterning to potential applications

• Yaron Paz

Beilstein J. Nanotechnol. 2011, 2, 845–861, doi:10.3762/bjnano.2.94

• area. The hydrophobic–hydrophilic patterning is then obtained photocatalytically by exposure of the entire area to UV light, thus, degrading the SAM from the TiO2 domains. This approach was demonstrated with CuO domains prepared by oxidation of Cu that had been deposited by electroless deposition on

Fabrication of multi-parametric platforms based on nanocone arrays for determination of cellular response

• Lindarti Purwaningsih,
• Tobias Schoen,
• Tobias Wolfram,
• Claudia Pacholski and
• Joachim P. Spatz

Beilstein J. Nanotechnol. 2011, 2, 545–551, doi:10.3762/bjnano.2.58

• nanocones with gold tips. By using a combination of block copolymer nanolithography, electroless deposition, and reactive ion etching several parameters such as structure height and structure distance could easily be adjusted to the desired values. The gold tips allow for easy functionalization of the

• has been fabricated by a combination of block copolymer micelle lithography (BCML), electroless deposition (ED) and reactive ion etching (RIE). The resulting highly ordered silica nanocone array with gold tips allows for the investigation of several parameters in cell studies at the same time, that is

• fabrication of the desired topography and chemical functionality (gold on top of the nanocones). To increase the size of the gold nanoparticles, electroless deposition (ED) was used (Scheme 1b) resulting in the generation of nanocone arrays with tuneable topographic features. Electroless deposition is an

Room temperature synthesis of indium tin oxide nanotubes with high precision wall thickness by electroless deposition

• Mario Boehme,
• Emanuel Ionescu,
• Ganhua Fu and
• Wolfgang Ensinger

Beilstein J. Nanotechnol. 2011, 2, 119–126, doi:10.3762/bjnano.2.14

• nanotubes consisting of indium tin oxide (ITO) were fabricated by electroless deposition using ion track etched polycarbonate templates. To produce nanotubes (NTs) with thin walls and small surface roughness, the tubes were generated by a multi-step procedure under aqueous conditions. The approach reported

• below yields open end nanotubes with well defined outer diameter and wall thickness. In the past, zinc oxide films were mostly preferred and were synthesized using electroless deposition based on aqueous solutions. All these methods previously developed, are not adaptable in the case of ITO nanotubes

• nanotubes; electroless deposition; indium tin oxide; ion track template; nanotubes; Introduction Oxide based semiconductive nanostructures have attained a position of significance in science and engineering. For many of these materials reliable syntheses are now available and a wide range of applications