Silver nanoparticles loaded on lactose/alginate: in situ synthesis, catalytic degradation, and pH-dependent antibacterial activity

• Nguyen Thi Thanh Tu,
• T. Lan-Anh Vo,
• T. Thu-Trang Ho,
• Kim-Phuong T. Dang,
• Van-Dung Le,
• Phan Nhat Minh,
• Chi-Hien Dang,
• Vinh-Thien Tran,
• Van-Su Dang,
• Tran Thi Kim Chi,
• Hieu Vu-Quang,
• Radek Fajgar,
• Thi-Lan-Huong Nguyen,
• Van-Dat Doan and
• Thanh-Danh Nguyen

Beilstein J. Nanotechnol. 2023, 14, 781–792, doi:10.3762/bjnano.14.64

• morphology of the nanocomposites was investigated using transmission electron microscopy (TEM) with a JEOL JEM-1400 instrument. Thermal analysis, including thermogravimetry analysis (TGA) and differential scanning calorimetry (DSC), was conducted using a LabSys Evo 1600 thermal analyzer (SETARAM, France

Concurrent nanoscale surface etching and SnO₂ loading of carbon fibers for vanadium ion redox enhancement

• Jun Maruyama,
• Shohei Maruyama,
• Tomoko Fukuhara,
• Toru Nagaoka and
• Kei Hanafusa

Beilstein J. Nanotechnol. 2019, 10, 985–992, doi:10.3762/bjnano.10.99

• manufacturer or determined in advance by thermogravimetry and a differential thermal analysis using an SSC/5200 thermal analyzer (Seiko Instruments). Concurrent surface etching and SnO2 loading For depositing the Sn-containing carbonaceous thin films (CSnPc), eight pieces of TGP (1 cm2) and 10 mg of SnPc were

Towards rare-earth-free white light-emitting diode devices based on the combination of dicyanomethylene and pyranine as organic dyes supported on zinc single-layered hydroxide

• Jeff L. Nyalosaso,
• Rachod Boonsin,
• Pierre Vialat,
• Damien Boyer,
• Geneviève Chadeyron,
• Rachid Mahiou and
• Fabrice Leroux

Beilstein J. Nanotechnol. 2019, 10, 760–770, doi:10.3762/bjnano.10.75

• the 2° < 2θ < 70° range with a scanning speed (2θ) of 0.03°/min. Thermogravimetry and differential thermal analysis (TG-DTA) experiments were carried out on a SETARAME TG-DTA92 thermogravimetric analyser. The dried Zn-SLH sample was heated in air (25 mL/min) from 25 to 800 °C at a rate of 5 °C/min

Co-intercalated layered double hydroxides as thermal and photo-oxidation stabilizers for polypropylene

• Qian Zhang,
• Qiyu Gu,
• Fabrice Leroux,
• Pinggui Tang,
• Dianqing Li and
• Yongjun Feng

Beilstein J. Nanotechnol. 2018, 9, 2980–2988, doi:10.3762/bjnano.9.277

• diffractometer with a wavelength of 0.154 nm at 40 kV and 30 mA in a 2θ range of 3–70° at 10°·min−1. Fourier-transform infrared (FTIR) spectra were recorded on a Bruker Vector 22 infrared spectrophotometer with KBr pellets (sample/KBr of 1:100 by weight) or thin films. Thermogravimetry and differential thermal

• , Elementar instrument. The content of water in the samples was obtained by thermogravimetry. The UV–vis spectra in the range of 200 to 800 nm were collected by using a Shimadzu UV-2501PC spectrophotometer. Stability evaluation of HnMn′-Ca2Al/PP composites Here, two methods were employed to evaluate the

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

• the nanotube growth in a carbon-containing gas environment. An analysis of the obtained products by means of transmission electron microscopy, thermogravimetry and X-ray photoelectron spectroscopy methods revealed that the catalyst's composition influences the nanotube/porous carbon ratio and

Synthesis of [{AgO₂CCH₂OMe(PPh₃)}_n] and theoretical study of its use in focused electron beam induced deposition

• Jelena Tamuliene,
• Julian Noll,
• Peter Frenzel,
• Tobias Rüffer,
• Alexander Jakob,
• Bernhard Walfort and
• Heinrich Lang

Beilstein J. Nanotechnol. 2017, 8, 2615–2624, doi:10.3762/bjnano.8.262

• likely responsible for the little volatility of 2 (see below). Compound [{AgO2CCH2OMe(PPh3)}n] (2) could be thus described as well as catena-poly{[triphenylphosphane-κP]-silver-µ-methoxyacetate-κO3, κO1:κO2}. The thermal behavior of 1 and 2 in the solid state was studied by thermogravimetry (TG

• ), thermogravimetry-coupled mass-spectrometry (TG–MS) and by differential scanning calorimetry (DSC). The corresponding TG/DTG and DSC traces of 1 (argon, temperature range 100–500 °C, heating rate 10 °C min−1) are depicted in Figure 2. The decomposition of 1 occurs in consecutive steps, which were quantified with a

• coordination units, which are additionally stabilized by an O–Ag dative bond. The thermal initiated decomposition of 1 and 2 in the solid state was determined by thermogravimetry and differential scanning calorimetry. It was found that 2 possesses a somewhat higher onset temperature as 1, which is related to

Fabrication of hierarchically porous TiO₂ nanofibers by microemulsion electrospinning and their application as anode material for lithium-ion batteries

• Jin Zhang,
• Yibing Cai,
• Xuebin Hou,
• Xiaofei Song,
• Pengfei Lv,
• Huimin Zhou and
• Qufu Wei

Beilstein J. Nanotechnol. 2017, 8, 1297–1306, doi:10.3762/bjnano.8.131

• diameters of tens of nanometers. It meant that the axially aligned pores were the vacancies of paraffin oil. Thermogravimetry (TG) and differential thermogravimetry (DTG) curves of as-spun sample A1 are shown in Figure 2a. It can be seen that the total weight loss was approximately 35%, and whole

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

• molecular beam deposition (OMBD), which is attributed to their comparatively low thermal stability as determined by thermogravimetric analysis (TG) of selected representatives. Keywords: electrospray ionization mass spectrometry; IR spectroscopy; metalloporphyrin; porphyrin; thermogravimetry; UV–vis

Liquid permeation and chemical stability of anodic alumina membranes

• Dmitrii I. Petukhov,
• Dmitrii A. Buldakov,
• Alexey A. Tishkin,
• Alexey V. Lukashin and
• Andrei A. Eliseev

Beilstein J. Nanotechnol. 2017, 8, 561–570, doi:10.3762/bjnano.8.60

• penetrant solution and increases in basic media. According to 27Al NMR and thermogravimetry results, the degradation of the membranes is associated with the dissolution of water-soluble [Al13O4(OH)24(H2O)12]7+ polyhydroxocomplexes and their further redeposition in the form of [Al(OH)4]−, resulting in

• [Al13O4(OH)24(H2O)12]7+ polyhydroxocomplexes or alumina atoms partially coordinated by C2O42− [19]. The first hypothesis seems more plausible based on thermogravimetry results presented in Supporting Information File 1 (Figure S1). The intensity of the additional component in the NMR spectra is much lower

Effect of nanostructured carbon coatings on the electrochemical performance of Li_1.4Ni_0.5Mn_0.5O_2+x-based cathode materials

• Konstantin A. Kurilenko,
• Oleg A. Shlyakhtin,
• Oleg A. Brylev,
• Dmitry I. Petukhov and
• Alexey V. Garshev

Beilstein J. Nanotechnol. 2016, 7, 1960–1970, doi:10.3762/bjnano.7.187

• carbon is localized as separate islands on the boundaries of Li1.4Ni0.5Mn0.5O2+x particles (Figure 1C). The carbon obtained from cross-linked PVA has a sponge-like microstructure with nanometer-sized mesopores (Figure 1D). Thermogravimetry (TG) curves of the linear and cross-linked PVA demonstrate the

Thermal energy storage – overview and specific insight into nitrate salts for sensible and latent heat storage

• Nicole Pfleger,
• Thomas Bauer,
• Claudia Martin,
• Markus Eck and
• Antje Wörner

Beilstein J. Nanotechnol. 2015, 6, 1487–1497, doi:10.3762/bjnano.6.154

• quartzite was determined. Visual inspection of both basalt and quartzite showed that they are compatible with Solar Salt at high temperatures. The stability was confirmed by thermogravimetry analysis. Further analyses of the mineral content before and after the thermo-chemical oven test and thermal test in

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

• , that the particular type of functionalization resulted in a relatively low loading of porphyrins on graphene, as calculated by thermogravimetry. Thus, the π-electronic network of graphene was preserved to large extent, which renders the hybrid materials suitable for applications in solar and/or

Characterization and photocatalytic study of tantalum oxide nanoparticles prepared by the hydrolysis of tantalum oxo-ethoxide Ta₈(μ₃-O)₂(μ-O)₈(μ-OEt)₆(OEt)₁₄

• Subia Ambreen,
• N D Pandey,
• Peter Mayer and
• Ashutosh Pandey

Beilstein J. Nanotechnol. 2014, 5, 1082–1090, doi:10.3762/bjnano.5.121

• chloroform. A TEM image of the so obtained particles is shown in Figure 5. Thermal analysis of the prepared Ta2O5 nanoparticles Thermogravimetry, differential thermal analysis and differential scanning calorimetry (TG/DTA/DSC) with a heating rate of 10 °C/min in a static air atmosphere were used to study the

• chloroform dispersion. TEM image of the TOPO-coated Ta2O5 nanoparticles. The scale bar corresponds to 200 nm. Thermogravimetry (TGA), differential thermal analysis (DTA) and differential scanning calorimetry (DSC) of the as-synthesized Ta2O5 nanoparticles. Solid state diffuse reflectance UV–vis spectra of

Magnesiothermic conversion of the silica-mineralizing golden algae Mallomonas caudata and Synura petersenii to elemental silicon with high geometric precision

• Janina Petrack,
• Steffen Jost,
• Jens Boenigk and
• Matthias Epple

Beilstein J. Nanotechnol. 2014, 5, 554–560, doi:10.3762/bjnano.5.65

• base plate, the rims, the keel, the keel tips and the base plate hole. Similar to Mallomonas caudata, a pore field can also be seen in Synura petersenii. The golden algae were further characterized by X-ray diffraction, thermogravimetry and infrared spectroscopy (Figure 3). Synura petersenii and

• Mallomonas caudata both contain only X-ray amorphous mineral, as expected for biogenic silica. IR spectra showed for both species the characteristic bands of water, silica and organic material. Thermogravimetry showed the decomposition in two steps. The first between 80 and 200 °C is associated with the loss

Thermal stability and reduction of iron oxide nanowires at moderate temperatures

• Annalisa Paolone,
• Marco Angelucci,
• Stefania Panero,
• Maria Grazia Betti and
• Carlo Mariani

Beilstein J. Nanotechnol. 2014, 5, 323–328, doi:10.3762/bjnano.5.36

• La Sapienza, Piazzale Aldo Moro 2, I - 00185 Roma, Italy 10.3762/bjnano.5.36 Abstract Background: The thermal stability of iron oxide nanowires, which were obtained with a hard template method and are promising elements of Li-ion based batteries, has been investigated by means of thermogravimetry

• electron microscopy (SEM); thermogravimetry; XPS; Introduction The ever-growing need for energy is pushing research towards the study and development of new energy storage and conversion tools with high efficiency such as Li-ion based batteries [1]. The request of stable low-cost components with a high

• . Thermogravimetry measurements distinctly show the mass reduction due to oxygen loss, and infrared transmittance and core-level photoemission measurements allow to follow the reduction process of the iron ions at different temperatures, showing the chemical reduction to Fe3O4 starting at moderate temperatures

Controlled synthesis and tunable properties of ultrathin silica nanotubes through spontaneous polycondensation on polyamine fibrils

• Jian-Jun Yuan,
• Pei-Xin Zhu,
• Daisuke Noda and
• Ren-Hua Jin

Beilstein J. Nanotechnol. 2013, 4, 793–804, doi:10.3762/bjnano.4.90

• at 900 °C for 8 h. Then the temperature was raised further up to 1000 °C at a rate of 2 °C/min and was held constant for 1 h. Characterizations. Thermogravimetry analysis was performed on a TG-DTA 6300 instrument (SII Nano technology Inco., Japan). The measurement was conducted by heating LPEI@silica

A facile approach to nanoarchitectured three-dimensional graphene-based Li–Mn–O composite as high-power cathodes for Li-ion batteries

• Wenyu Zhang,
• Yi Zeng,
• Chen Xu,
• Ni Xiao,
• Yiben Gao,
• Lain-Jong Li,
• Xiaodong Chen,
• Huey Hoon Hng and
• Qingyu Yan

Beilstein J. Nanotechnol. 2012, 3, 513–523, doi:10.3762/bjnano.3.59

• JEOL JEM-2100 operating at 200 kV. Raman spectra were obtained on a WITec CRM 200 with a wavelength of 488 nm and a spot size of 0.5 mm. Thermogravimetry analyses were carried out on TGA Q500 from 298–1073 K at a heating rate of 10 K·min−1 in air. The analyses of Li/Mn ratio was performed on

Functionalised zinc oxide nanowire gas sensors: Enhanced NO₂ gas sensor response by chemical modification of nanowire surfaces

• Eric R. Waclawik,
• Jin Chang,
• Andrea Ponzoni,
• Isabella Concina,
• Dario Zappa,
• Elisabetta Comini,
• Nunzio Motta,
• Guido Faglia and
• Giorgio Sberveglieri

Beilstein J. Nanotechnol. 2012, 3, 368–377, doi:10.3762/bjnano.3.43

• was confirmed by both XPS and thermogravimetry. The XPS survey of the DT-functionalised ZnO NW sensor surfaces given in Figure 4a provides further evidence for the successful chemisorption or ligand attachment of dodecanethiol to the ZnO NW surfaces. A peak corresponding to the Zn–S bond between the