Metal-organic framework-based nanomaterials as opto-electrochemical sensors for the detection of antibiotics and hormones: A review

• Akeem Adeyemi Oladipo,
• Saba Derakhshan Oskouei and
• Mustafa Gazi

Beilstein J. Nanotechnol. 2023, 14, 631–673, doi:10.3762/bjnano.14.52

A nonenzymatic reduced graphene oxide-based nanosensor for parathion

• Sarani Sen,
• Anurag Roy,
• Ambarish Sanyal and
• Parukuttyamma Sujatha Devi

Beilstein J. Nanotechnol. 2022, 13, 730–744, doi:10.3762/bjnano.13.65

• potential of −0.9 V for 900 s using an Ag/AgCl reference electrode. The buffer and pH values of the electrolytes were optimized to fabricate electrochemically reduced GO (ERGO) modified GCE designated as ERGO/GCE. Cyclic voltammogram (CV) measurements to assess the electrochemical behavior of parathion were

Stability and activity of platinum nanoparticles in the oxygen electroreduction reaction: is size or uniformity of primary importance?

• Kirill O. Paperzh,
• Anastasia A. Alekseenko,
• Vadim A. Volochaev,
• Ilya V. Pankov,
• Olga A. Safronenko and
• Vladimir E. Guterman

Beilstein J. Nanotechnol. 2021, 12, 593–606, doi:10.3762/bjnano.12.49

• saturated with argon for 40 min. Then, 100 cycles were carried out in the potential range from 0.04 to 1.2 V relative to RHE. The potential sweep speed was 200 mV·s−1. The electrochemically active surface area was determined from the cyclic voltammogram (CV) by calculating the amount of electricity consumed

Atomic layer deposited films of Al₂O₃ on fluorine-doped tin oxide electrodes: stability and barrier properties

• Hana Krýsová,
• Michael Neumann-Spallart,
• Hana Tarábková,
• Pavel Janda,
• Ladislav Kavan and
• Josef Krýsa

Beilstein J. Nanotechnol. 2021, 12, 24–34, doi:10.3762/bjnano.12.2

• identified by significant changes observed in the cyclic voltammogram of the [Fe(CN)6]3−/4− couple (Figure S8, Supporting Information File 1). This redox couple showed a nearly reversible behaviour in the voltammogram of bare FTO. However, the irreversibility (quantified by peak-to-peak separation) became

Antimony deposition onto Au(111) and insertion of Mg

• Lingxing Zan,
• Da Xing,
• Abdelaziz Ali Abd-El-Latif and
• Helmut Baltruschat

Beilstein J. Nanotechnol. 2019, 10, 2541–2552, doi:10.3762/bjnano.10.245

• the substrate is roughened on the atomic scale due to alloy formation, as demonstrated by CV and STM. Further multilayer deposition correspondingly leads to a rough deposit with protrusions of up to 3 nm. The cyclic voltammogram for Mg insertion/de-insertion from MgCl2/AlCl3/tetraglyme (MACC/TG

• microscopy (EC-STM) measurements on Sb/Au(111) A similar cyclic voltammogram of Sb deposition on Au(111) in 0.25 mM Sb2O3/0.5 M H2SO4 electrolyte was obtained in the STM cell during the STM measurements as shown in Figure 3. It is similar to that recorded in the classical glass cell when the potential is

• the formation of Mg3Sb2 alloy during the insertion of magnesium into Sb adlayers. Cyclic voltammograms of Sb deposition on Au(111) in 0.25 mM Sb2O3/0.5 M H2SO4 electrolyte saturated with Ar in an H-cell at 10 mV s−1. Inset: Cyclic voltammogram of Au(111) in 0.1 M H2SO4 solution saturated with Ar in an

Upcycling of polyurethane waste by mechanochemistry: synthesis of N-doped porous carbon materials for supercapacitor applications

• Christina Schneidermann,
• Pascal Otto,
• Desirée Leistenschneider,
• Sven Grätz,
• Claudia Eßbach and
• Lars Borchardt

Beilstein J. Nanotechnol. 2019, 10, 1618–1627, doi:10.3762/bjnano.10.157

• ), PUUPC-4-800 (cyan) and PUUPC-5-800 (black). (A) Water vapor sorption isotherms (adsorption/desorption = filled symbols/empty symbols) measured at 25 °C and (B) magnification of the lower relative pressure range of the samples: PUUPC-800-1 (cyan), PUUPC-800-2 (green) and PUPC-800-3 (blue). (A) Cyclic

• voltammogram measured in 1 M TEABF4 (ACN) with a scan rate of 10 mV·s−1 (solid lines) and 100 mV·s−1 (dashed lines), (B) loss of the specific capacitance in three different electrolytes, and (C) Nyquist plot for the three samples PUPC-800-3 (blue), PUUPC-800-1 (cyan), and PUUPC-800-2 (green). Characterization

Hydrogen-induced plasticity in nanoporous palladium

• Markus Gößler,
• Eva-Maria Steyskal,
• Markus Stütz,
• Norbert Enzinger and
• Roland Würschum

Beilstein J. Nanotechnol. 2018, 9, 3013–3024, doi:10.3762/bjnano.9.280

• studies up to this point. This work focuses on the strain response of npPd upon hydrogenation and aims to shed light on the active deformation mechanisms. Results Electrochemical characterisation A typical strain response of npPd was measured using an in situ dilatometer setup during a cyclic voltammogram

Semi-automatic spray pyrolysis deposition of thin, transparent, titania films as blocking layers for dye-sensitized and perovskite solar cells

• Hana Krýsová,
• Josef Krýsa and
• Ladislav Kavan

Beilstein J. Nanotechnol. 2018, 9, 1135–1145, doi:10.3762/bjnano.9.105

• different deposition. Our TiO2 film deposited at 150 °C without post-calcination displays perfect blocking properties, although it is photo-electrochemically inactive (cf. Figure 1a). Post-calcination of this film causes severe deterioration of its blocking function. The cyclic voltammogram Fe(CN)63−/4− is

Synthesis and characterization of two new TiO₂-containing benzothiazole-based imine composites for organic device applications

• Anna Różycka,
• Agnieszka Iwan,
• Krzysztof Artur Bogdanowicz,
• Michal Filapek,
• Natalia Górska,
• Damian Pociecha,
• Marek Malinowski,
• Patryk Fryń,
• Agnieszka Hreniak,
• Jakub Rysz,
• Paweł Dąbczyński and
• Monika Marzec

Beilstein J. Nanotechnol. 2018, 9, 721–739, doi:10.3762/bjnano.9.67

• used. In addition, the interaction between the ground-state structure of TiO2 and imine has been studied by Fourier transform middle-infrared absorption measurements (FT-MIR) and cyclic voltammogram (CV) experiments. For the first time, the interaction of imines with TiO2 has been analyzed in terms of

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

• Fe2O3/COOH-MWCNT composites was measured and the results were displayed in Figure 4c,d. Figure 4c shows the cyclic voltammogram of COOH-MWCNT at a scanning rate of 0.05 mV·s−1. In the first charge and discharge process, two anodic peaks at about 1.7 V and 1.2 V were observed, which is consistent with

In situ characterization of hydrogen absorption in nanoporous palladium produced by dealloying

• Eva-Maria Steyskal,
• Christopher Wiednig,
• Norbert Enzinger and
• Roland Würschum

Beilstein J. Nanotechnol. 2016, 7, 1197–1201, doi:10.3762/bjnano.7.110

• variations of about 0.5% (Figure 1c) occur. Occasionally visible spikes in the otherwise smooth cyclic voltammogram are caused by coinciding resistometric measuring pulses, which have to be sufficiently high for accurate resistance results. This causes certain irregularities in the CV curve, yet does not

Comparison of the interactions of daunorubicin in a free form and attached to single-walled carbon nanotubes with model lipid membranes

• Dorota Matyszewska

Beilstein J. Nanotechnol. 2016, 7, 524–532, doi:10.3762/bjnano.7.46

• surface concentration of daunorubicin can be estimated using the following equation: where Γ is surface concentration (mol/cm2), Q is charge under cathodic peak (C), n is number of electrons, F is Faraday constant and A is electrode area (cm2). The surface concentration calculated based on the cyclic

• voltammogram for the electrode modified with mixed DPPTE–SWCNTs-DNR monolayer is equal to 0.67 × 10−10 mol/cm2, while the value obtained for DPPTE supported monolayer exposed to DNR solution is equal to 0.60 × 10−10 mol/cm2 as reported before [24]. Moreover, the values obtained for the mixed layer containing

Nanostructured superhydrophobic films synthesized by electrodeposition of fluorinated polyindoles

• Gabriela Ramos Chagas,
• Thierry Darmanin and
• Frédéric Guittard

Beilstein J. Nanotechnol. 2015, 6, 2078–2087, doi:10.3762/bjnano.6.212

• monomers were electropolymerized. First of all, it was necessary to determine the oxidation potential (Eox) of all the monomers. These Eox were determined by cyclic voltammetry and were found to be in the range of 0.9–1.3 V vs SCE for the functionalized monomers, as shown in Table 1. A cyclic voltammogram

• angles and by deduction the hysteresis H = θadv – θrec were taken just before the moving of the droplet, the angle in the moving direction being θadv and that in the opposite direction θrec. Cyclic voltammogram of the monomer Indole-6-F6 (1 scan at 20 mV·s−1). Electropolymerization in 0.1 M of

• acetonitrile/Bu4NClO4. Cyclic voltammogram of polyindoles. (a) Indole-6-F8, (b) Indole-6-F6 and (c) Indole-6-F4 (5 scans at 20 mV·s−1). Electropolymerization in 0.1 M of acetonitrile/Bu4NClO4. SEM images at two different magnifications (5000× and 25000×) of the polyindoles substituted with C6F13 chains in the

Formation of substrate-based gold nanocage chains through dealloying with nitric acid

• Ziren Yan,
• Ying Wu and
• Junwei Di

Beilstein J. Nanotechnol. 2015, 6, 1362–1368, doi:10.3762/bjnano.6.140

• ]. Nitric acid is generally used for dealloying Ag from Ag–Au alloys. The redox peaks of Ag disappeared in the cyclic voltammogram of the AuNCs (Figure 4A) indicating that the residual Ag was completely removed from the Ag–Au NCs and pure AuNCs were formed. This result was also confirmed by inductively

Charge carrier mobility and electronic properties of Al(Op)₃: impact of excimer formation

• Andrea Magri,
• Pascal Friederich,
• Bernhard Schäfer,
• Valeria Fattori,
• Xiangnan Sun,
• Timo Strunk,
• Velimir Meded,
• Luis E. Hueso,
• Wolfgang Wenzel and
• Mario Ruben

Beilstein J. Nanotechnol. 2015, 6, 1107–1115, doi:10.3762/bjnano.6.112

• calculation of reorganization energy, a def2-TZVP [47] basis set was used. Tris(1-oxo-1H-phenalen-9-olate)aluminum(III) (Al(Op)3) structure. H atoms are omitted for clarity. Cyclic voltammogram for Al(Op)3 recorded at room temperature in CH2Cl2 solution using TBAPF6 as the electrolyte and ferrocene as an

Stick–slip behaviour on Au(111) with adsorption of copper and sulfate

• Nikolay Podgaynyy,
• Sabine Wezisla,
• Christoph Molls,
• Shahid Iqbal and
• Helmut Baltruschat

Beilstein J. Nanotechnol. 2015, 6, 820–830, doi:10.3762/bjnano.6.85

• sulfuric acid. Results and Discussion Figure 1 shows a cyclic voltammogram of Au(111) in 0.05 M H2SO4 + 4 × 10−4 M CuSO4 in the AFM cell. The voltammogram can be split into three potential regions (see Figure 1). At potentials E ≥ 250 mV only sulfate is adsorbed to the Au(111) surface. The sulfate coverage

• . This potential corresponds to the peak in the cyclic voltammogram which is due to formation of the copper 2/3 layer. At this peak potential, copper makes up about 30% surface coverage. In our previous experiments, such a large friction value was observed when stepping the potential from a potential of

• adlayer. Whether these phenomena can be generalized has to be elucidated in further studies. Cyclic voltammogram in 0.05 M H2SO4 + 4 × 10−4 M CuSO4. v = 50 mV/s. Friction image of Au(111) (in 0.05 M H2SO4 + 4 × 10−4 M CuSO4) with a variation of normal load; E = 0.22 V (pzc); image size 600 nm × 600 nm. a

Characterization of 10,12-pentacosadiynoic acid Langmuir–Blodgett monolayers and their use in metal–insulator–metal tunnel devices

• Saumya Sharma,
• Mohamad Khawaja,
• Manoj K. Ram,
• D. Yogi Goswami and
• Elias Stefanakos

Beilstein J. Nanotechnol. 2014, 5, 2240–2247, doi:10.3762/bjnano.5.233

• distinct C=C peak was seen in the 650–750 cm−1 range for UV-irradiated samples, as can be seen in the inset in Figure 3 [20][21]. Figure 4 shows the cyclic voltammogram of the 20 monolayer PDA LB film on ITO coated glass substrates at various scan rates (5, 10, 25, 50, 100, 150 mV/s) in a 0.01 M HCl

• defect-prone PDA monomolecular layers on a solid substrate. A comparison between a UV cross-linked PDA monolayer and one without UV exposure was carried out with the help of infrared spectroscopy, cyclic voltammogram and AFM imaging. An insulating layer of PDA deposited using this technique was used as

Magnesium batteries: Current state of the art, issues and future perspectives

• Rana Mohtadi and
• Fuminori Mizuno

Beilstein J. Nanotechnol. 2014, 5, 1291–1311, doi:10.3762/bjnano.5.143

Nanocavity crossbar arrays for parallel electrochemical sensing on a chip

• Enno Kätelhön,
• Dirk Mayer,
• Marko Banzet,
• Andreas Offenhäusser and
• Bernhard Wolfrum

Beilstein J. Nanotechnol. 2014, 5, 1137–1143, doi:10.3762/bjnano.5.124

• ) Parallel data acquisition: Intersections are read out simultaneously in a row-wise fashion. Redox cycling currents: a) Cyclic voltammogram detected in sequential data acquisition mode at a single intersection. b) Cyclic voltammograms recorded at two intersections during parallel acquisition. Both data sets

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

• strongly adsorbed hydrogen is clearly visible in the cyclic voltammogram at potentials above the onset of hydrogen evolution; the total coverage of this species reaches about 70% in this region. However, the weakly adsorbed species has also been detected by infrared spectroscopy above the hydrogen

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

• capillaries located at the perimeter of the gasket [75]. The potential was controlled by a Pine Instruments potentiostate (Model AFRDE5). The electrode surface was cleaned by cycling the potential between 0.06 and 1.5 V in 0.5 M HClO4 at 100 mV s−1 scan rate, until the typical features of the Pt base cyclic

• voltammogram (CV) [76] were reproduced. The potential was then stopped at the desired adsorption potential in the negative-going scan and the electrolyte was switched to a 0.1 M solution of formaldehyde in 0.5 M HClO4 for 3 min and then back to the supporting electrolyte. The supporting electrolyte was 0.5 M

Nanoscale patterning of a self-assembled monolayer by modification of the molecule–substrate bond

• Cai Shen and
• Manfred Buck

Beilstein J. Nanotechnol. 2014, 5, 258–267, doi:10.3762/bjnano.5.28

• thiol is probed by a second cyclic voltammogram. An anodic shift of the desorption potential by about 35–40 mV (see Figure S1 in Supporting Information File 1) is characteristic for the difference in stability between the two thiols [43]. The exchange is also evidenced by characteristic differences seen

3D-nanoarchitectured Pd/Ni catalysts prepared by atomic layer deposition for the electrooxidation of formic acid

• Loïc Assaud,
• Evans Monyoncho,
• Kristina Pitzschel,
• Anis Allagui,
• Matthieu Petit,
• Margrit Hanbücken,
• Elena A. Baranova and
• Lionel Santinacci

Beilstein J. Nanotechnol. 2014, 5, 162–172, doi:10.3762/bjnano.5.16

• Pd/Ni system was obtained (CVs are identical) in the presence and absence of formic acid. The cyclic voltammogram disclosed in Figure S3 (Supporting Information File 1) shows the evolution of the current during the first six cycles. It demonstrates the stability of the Pd/Ni system over time in 0.5 M

Design criteria for stable Pt/C fuel cell catalysts

• Josef C. Meier,
• Carolina Galeano,
• Ioannis Katsounaros,
• Jonathon Witte,
• Hans J. Bongard,
• Angel A. Topalov,
• Claudio Baldizzone,
• Stefano Mezzavilla,
• Ferdi Schüth and
• Karl J. J. Mayrhofer

Beilstein J. Nanotechnol. 2014, 5, 44–67, doi:10.3762/bjnano.5.5

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

• alkaline and acidic solutions that are free from dissolved species that strongly adsorb on the electrode surface and could interfere with species coming from water adsorption in the whole potential range. A cyclic voltammogram of Pt(111) in 0.1 M NaOH is depicted in Figure 1B. However, a serious drawback