Dielectric properties of a bisimidazolium salt with dodecyl sulfate anion doped with carbon nanotubes

• Doina Manaila Maximean,
• Viorel Cîrcu and
• Constantin Paul Ganea

Beilstein J. Nanotechnol. 2018, 9, 164–174, doi:10.3762/bjnano.9.19

• characterized by 1H NMR, 13C NMR and IR spectroscopy. Its liquid crystalline properties were analyzed by polarizing optical microscopy (POM), differential scanning calorimetry (DSC) and powder X-ray diffraction (XRD) studies. The dielectric spectra of the ILC doped with different concentrations of carbon

• assignment of a SmA phase. ILCs are well known to exhibit predominantly lamellar phases, with the SmA phase being the most common phase for such materials, in particular due to electrostatic interactions and ion–ion stacking in ILCs. Differential scanning calorimetry (DSC) The transitions and their

• corresponding temperatures together with the enthalpy values associated to these processes are presented in Figure 3. The transitions of [bisC8ImC10][C12H25OSO3]2 between mesophase and isotropic state observed by DSC are broad, with Tonset = 321.15 K. The temperature range of the liquid crystalline phase is

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

• in the differential scanning calorimetry (DSC) curves are indicative of a variety of carbon nanostructures. In the case of the sample produced using the Fe/Mo catalyst, the DSC curve showed two distinct exothermic peaks at 540 and 570 °С (Figure S5c in Supporting Information File 1), which could be

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

• O2CCH2OMe− is generated, further following the first fragmentation route. However, at 1.3 eV the initial step is decarboxylation giving [AgCH2OMe(PPh3)], followed by Ag–P and Ag–C bond cleavages. Keywords: DFT; DSC; FEBID; silver(I) carboxylate; solid-state structure; TGA; Introduction Focused electron

• system with a UMX1 balance. The TG, DSC and TG–MS experiments were performed with a Mettler Toledo TGA/DSC1 1600 system with a MX1 balance coupled with a Pfeiffer Vacuum MS Thermostar GSD 301 T2 mass spectrometer. EI and high-resolution ESI mass spectra were recorded with a Finnigan MAT 8230 SQ

• ), 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

In situ controlled rapid growth of novel high activity TiB₂/(TiB₂–TiN) hierarchical/heterostructured nanocomposites

• Jilin Wang,
• Hejie Liao,
• Yuchun Ji,
• Fei Long,
• Yunle Gu,
• Zhengguang Zou,
• Weimin Wang and
• Zhengyi Fu

Beilstein J. Nanotechnol. 2017, 8, 2116–2125, doi:10.3762/bjnano.8.211

• and TiN, respectively. Additionally, a thermogravimetric and differential scanning calorimetry analyzer (TG-DSC) comparison analysis indicated that the as-synthesized samples presented better chemical activity than that of commercial TiB2 powders. Finally, the possible chemical reactions as well as

• /heterostructured nanocomposites, thermogravimetric and differential scanning calorimetry analyzer (TG-DSC) thermal analysis comparison experiments have been employed in flowing air. Figure 6a–c shows the TG-DSC results of three representative samples (#1 commercial high purity TiB2 powders with an average particle

• size of 5 μm, #2 TiB2/(TiB2–TiN) powders of 0% endothermic rate with an average particle size of 0.9 μm, #3 TiB2/(TiB2–TiN) powders of 40% endothermic rate with an average particle size of 0.15 μm). Table 1 also summarizes the major related TG-DSC results and the average particle sizes of the samples

Preparation and characterization of polycarbonate/multiwalled carbon nanotube nanocomposites

• Claudio Larosa,
• Niranjan Patra,
• Marco Salerno,
• Lara Mikac,
• Remo Merijs Meri and
• Mile Ivanda

Beilstein J. Nanotechnol. 2017, 8, 2026–2031, doi:10.3762/bjnano.8.203

• of MWCNTs on the structure and properties of the composites. The nanocomposites were characterized by DSC, DTA, TGA, UV–vis, FTIR and Raman spectroscopy to evaluate the changes induced by the filler in the polymer matrix. UV–vis, FTIR and Raman spectroscopy measurements confirmed the presence of the

• dispersed phase in the composite films, while TGA and DSC analysis of the nanocomposites revealed enhanced thermal stability and decreased crystallinity, respectively, as compared to the neat polymer. The proposed composites can find application in a number of everyday products where polycarbonate is the

• . Instrument calibration was performed using silicon samples. To investigate the stability, purity and thermal resistance of the materials, thermogravimetric analysis (TGA) was used [11][12][13][14] (TGA/DSC-1, Mettler-Toledo, Italy). Simultaneous differential thermal analysis (DTA) was used to characterize

Luminescent supramolecular hydrogels from a tripeptide and nitrogen-doped carbon nanodots

• Maria C. Cringoli,
• Slavko Kralj,
• Marina Kurbasic,
• Massimo Urban and
• Silvia Marchesan

Beilstein J. Nanotechnol. 2017, 8, 1553–1562, doi:10.3762/bjnano.8.157

• by rheometry, fluorescence, circular dichroism (CD), FTIR spectroscopy, transmission electron microscopy (TEM), and differential scanning calorimetry (DSC). Given that this tripeptide is capable of forming a hydrogel with mild antimicrobial activity and a lack of cytotoxicity in vitro [26], this new

• –peptide hydrogels The NCND–peptide hydrogels were assessed for their thermal stability by means of differential scanning calorimetry (DSC) and circular dichroism (CD) with a heating ramp from room temperature up to complete disappearance of the CD signal (see Supporting Information File 1). DSC did not

• evaporation of residual buffer solution. It is worth noting that the DSC data of similar peptides and amyloids often display multiple minima that are not always discernible and result in wide, asymmetric endotherms; besides the gel-to-sol transition, other minima in the range of 80–85 °C can be ascribed to

Miniemulsion copolymerization of (meth)acrylates in the presence of functionalized multiwalled carbon nanotubes for reinforced coating applications

• Bertha T. Pérez-Martínez,
• Lorena Farías-Cepeda,
• Víctor M. Ovando-Medina,
• José M. Asua,
• Lucero Rosales-Marines and
• Radmila Tomovska

Beilstein J. Nanotechnol. 2017, 8, 1328–1337, doi:10.3762/bjnano.8.134

• microscopy (SEM) images were taken in a Hitachi S-4800. Differential scanning calorimetry (DSC) measurements of films cast from hybrid latexes and blends were carried out in a Q1000, TA Instruments apparatus. 5 mg of each sample were placed in standard aluminum DSC pans and analyzed in air atmosphere at a

• white arrows in Figure 3d, under higher magnification). In Table 3, the glass transition temperatures (Tg) of the neat polymer and the polymer composites determined by DSC are presented. The neat polymer and simple blends of the neat polymer and the air-sonicated MWCNTs were used as reference samples

• supported by the fact that aging did not vary the results of the DSC measurements, whereas for the neat polymer samples and blends, the 90 ºC peak disappeared through microphase mixing (Figure S2, Supporting Information File 1). Figure 4a shows that the addition of MWCNTs (0.5 wt %) to the polymer resulted

Atomic structure of Mg-based metallic glass investigated with neutron diffraction, reverse Monte Carlo modeling and electron microscopy

• Rafał Babilas,
• Dariusz Łukowiec and
• Laszlo Temleitner

Beilstein J. Nanotechnol. 2017, 8, 1174–1182, doi:10.3762/bjnano.8.119

• ) temperatures of the studied samples were determined by differential scanning calorimetry (DSC) in the temperature range from 350 to 600 K at a constant heating rate of 20 K/min under argon atmosphere. The reverse Monte Carlo (RMC) calculations were carried out by fitting to the ND S(Q) function using the

• assumed as a representation of six-fold coordinated numbers, while the configuration shown in Figure 5d is characteristic for seven-fold coordination, which can also be found in the distribution of N exhibited in Figure 4. Figure 6 shows the DSC curve of the Mg65Cu20Y10Ni5 ribbon sample. The sample was

• . Figure 7 presents a high-resolution transmission electron microscope (HRTEM) image and corresponding selected area electron diffraction (SAED) patterns of a sample that was annealed at 473 K for 1 h. The annealing temperature was selected based on the results of the DSC measurements. The SAED image

Preparation of thick silica coatings on carbon fibers with fine-structured silica nanotubes induced by a self-assembly process

• Benjamin Baumgärtner,
• Hendrik Möller,
• Thomas Neumann and
• Dirk Volkmer

Beilstein J. Nanotechnol. 2017, 8, 1145–1155, doi:10.3762/bjnano.8.116

• , composed of bundled silica nanotubes and nanoribbons [17][18]. The diameter of these silica building units is restricted by the nature of LPEI, ranging from 30 to 150 nm [16]. It was deduced from DSC and XRD measurements that the linear LPEI aggregates consist of a crystalline core, which functions as a

Fully scalable one-pot method for the production of phosphonic graphene derivatives

• Kamila Żelechowska,
• Marta Prześniak-Welenc,
• Marcin Łapiński,
• Izabela Kondratowicz and
• Tadeusz Miruszewski

Beilstein J. Nanotechnol. 2017, 8, 1094–1103, doi:10.3762/bjnano.8.111

• hazardous waste. Finally, after ball milling for two days the resultant carbonaceous material is rather high-surface-area graphite than graphene. Thermogravimetric (TG) analysis with differential scanning calorimetry (DSC) provided information about thermal stability of GO and GO-P and allowed for an

• temperature range of 300–900 °C is similar for both samples, showing that after detachment of functional groups a similar decomposition of carbonaceous material occurs. The DSC analysis also revealed differences in thermal properties of the studied samples. The DSC profile of GO and functionalized GO is not

• frequently reported. Figure 9 shows the DSC and the DDSC (derivative of DSC) curves for both samples. This is the first time that a phosphonated graphene derivative is studied by DSC. For comparison, the DSC results of the GO sample are shown (Figure 9A). It should be noted that for both samples the peaks

First examples of organosilica-based ionogels: synthesis and electrochemical behavior

• Andreas Taubert,
• Ruben Löbbicke,
• Barbara Kirchner and
• Fabrice Leroux

Beilstein J. Nanotechnol. 2017, 8, 736–751, doi:10.3762/bjnano.8.77

• . Simultaneous thermogravimetric analysis-differential thermal analysis (TGA-DTA) experiments were done on a Linseis L81 thermal balance and on a Linseis STA PT-1600 thermal balance in air from 20 to 900 °C with a heating rate of 10 °C/min. Differential scanning calorimetry (DSC) measurements were done on a

• Netzsch DSC 204. DSC traces were recorded from −150 to 200 °C using liquid nitrogen cooling and a heating rate of 10 °C/min. Isothermal times were 5 min. Samples of ca. 5 mg were placed in aluminum pans with pierced lids. To remove traces of water the samples were heated to 120 °C before the first cooling

• weight (not considering the contribution of the organic linker moiety in the organosilica host) and 10 to 15% of organosilica matrix. Figure 11 shows representative DSC traces of the neat IL and the samples TBA20IL to TBA60IL. The neat IL (grey line) exhibits a glass transition at Tg = −11.9 °C. No

Dispersion of single-wall carbon nanotubes with supramolecular Congo red – properties of the complexes and mechanism of the interaction

• Anna Jagusiak,
• Barbara Piekarska,
• Tomasz Pańczyk,
• Małgorzata Jemioła-Rzemińska,
• Elżbieta Bielańska,
• Barbara Stopa,
• Grzegorz Zemanek,
• Janina Rybarska,
• Irena Roterman and
• Leszek Konieczny

Beilstein J. Nanotechnol. 2017, 8, 636–648, doi:10.3762/bjnano.8.68

• . The aim of the study was to explain the mechanism of this interaction. The interaction of CR and carbon nanotubes was studied using spectral analysis of the SWNT–CR complex, dynamic light scattering (DLS), differential scanning calorimetry (DSC) and microscopic methods: atomic force microscopy (AFM

• the formation of a “network” created by interacting SWNTs and supramolecular CR (Figure 5B,C). SWNT–CR complex stability – DSC analysis Differential scanning calorimetry (DSC) analysis of heat flow changes for SWNT–CR complexes was performed in order to evaluate the stability of the complexes formed

• increasing temperature. Using DSC we can observe changes in the heat capacity that accompany heating or cooling of the sample, and thus analyse the melting or the formation of supramolecular structures for both free CR and CR attached to the carbon nanotube surface. We analysed heat capacity changes in two

Fiber optic sensors based on hybrid phenyl-silica xerogel films to detect n-hexane: determination of the isosteric enthalpy of adsorption

• Jesús C. Echeverría,
• Ignacio Calleja,
• Paula Moriones and
• Julián J. Garrido

Beilstein J. Nanotechnol. 2017, 8, 475–484, doi:10.3762/bjnano.8.51

• Cantabria (Spain) for TGA–DSC analysis.

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

• intense pyrolysis of the linear PVA at 240–310 °C (Figure 2A) and the continuous decomposition process of the cross-linked PVA at 240–600 °C (Figure 2B). The latter shows a significantly higher thermal stability of the cross-linked polymer. The analysis of differential scanning calorimetry (DSC) curves

• allows one to identify a small “endo”-effect at 230 °C before the decomposition of the linear PVA (Figure 2A) that could be associated with its melting [32]. The corresponding effect is absent in the DSC curve of the cross-linked polymer (Figure 2B). The reasons for the different localization of carbon

• for 15 min in argon. TG-DSC curves of the linear (A) and cross-linked (B) PVA in argon. XPS spectra of C 1s of the LNM/C composite samples derived from the linear (A) and cross-linked (B) PVA. CVA curves of pure Li1.4Ni0.5Mn0.5O2+x and LNM/C nanocomposites at the 1st cycle (A) and after galvanostatic

Controlled supramolecular structure of guanosine monophosphate in the interlayer space of layered double hydroxide

• Gyeong-Hyeon Gwak,
• Istvan Kocsis,
• Yves-Marie Legrand,
• Mihail Barboiu and
• Jae-Min Oh

Beilstein J. Nanotechnol. 2016, 7, 1928–1935, doi:10.3762/bjnano.7.184

• occupies 22 Å2 (60 Å2 × 0.37) and 25 Å2 (60 Å2 × 0.42), respectively for GL-S and GL-R. Thus, the GMP moiety in GL-S could exist separately without effective intermolecular interaction by GMP, while GMPs in GL-R packs to form a ribbon-type supramolecular arrangement. Differential scanning calorimetry (DSC

• ) diagrams for both GL hybrids suggested the hydrogen bonding among GMP moiety in GL-R hybrid (Figure 5). For comparison, we carried out DSC measurements of GMP only, which showed 177.33 kJ/mol of endothermic enthalpy change at 191.28 °C, indicating strong hydrogen bonding among GMP molecules. Also, we

• verified that the DSC diagram of pristine LDH showed an endothermic peak at 216.23 °C with an enthalpy change of 39.9 kJ/mol, which exactly matches the calculated water evaporation energy (≈40 kJ/mol) of Mg2Al(OH)6(NO3)·H2O. Both hybrids showed a strong endothermic peak at around 200 °C, which was

Influence of hydrothermal synthesis parameters on the properties of hydroxyapatite nanoparticles

• Sylwia Kuśnieruk,
• Jacek Wojnarowicz,
• Agnieszka Chodara,
• Tadeusz Chudoba,
• Stanislaw Gierlotka and
• Witold Lojkowski

Beilstein J. Nanotechnol. 2016, 7, 1586–1601, doi:10.3762/bjnano.7.153

• particles were spherical and identical. where dBET is the average particle diameter calculated using the SSA value, SSA is the specific surface area calculated using the BET isotherm, and ρ is the material density. TG-DSC. TG-DSC analysis was carried out using an STA 449 F1 Jupiter by Netzsch. The analysis

Development of adsorptive membranes by confinement of activated biochar into electrospun nanofibers

• Mehrdad Taheran,
• Mitra Naghdi,
• Satinder K. Brar,
• Emile Knystautas,
• Mausam Verma,
• Rao. Y. Surampalli and
• Jose. R. Valero

Beilstein J. Nanotechnol. 2016, 7, 1556–1563, doi:10.3762/bjnano.7.149

• (BET) specific surface areas were obtained from the N2 adsorption isotherms recorded at 77 K using an Autosorb-1 gas analyzer (Quantachrome Instruments, USA) in the relative pressure range from 0.05 to 1. Thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) were performed using

• behavior of electrospun PAN nanofibers During DSC PAN is heated in the presence of oxygen and begins to degrade near its melting point through an exothermic reaction that can obscure its endothermic melting. Therefore, the melting point cannot be observed for PAN. However, if DSC is conducted in N2

• atmosphere, the exothermic degradation is observed [30][31]. In Figure 6 the DSC thermograms of pure PAN powder, NFM-0% and NFM-1.5% are illustrated. The sharp peaks located at 291.48 °C, 289.15 °C and 303.67 °C are attributed to the nucleophilic attack at a nitrile and cyclization to an extended conjugated

Deformation-driven catalysis of nanocrystallization in amorphous Al alloys

• Rainer J. Hebert,
• John H. Perepezko,
• Harald Rösner and
• Gerhard Wilde

Beilstein J. Nanotechnol. 2016, 7, 1428–1433, doi:10.3762/bjnano.7.134

• formation of nanocrystals during the annealing treatment. The continuous heating differential scanning calorimetry (DSC) trace of a cold-rolled Al88Y7Fe5 ribbon that is depicted in Figure 4 shows that the onset temperature for the primary crystallization reaction is approximately 175 °C for the cold-rolled

• and matrix in Al-based amorphous alloys [42], it can therefore be concluded that the nanocrystals in Figure 6 that are observed after the annealing at 210 °C developed in the matrix and not in shear bands. The combination of HRTEM, DF-TEM, XRD, and DSC results provides strong evidence that cold

• measurements on samples that were only cold-rolled. Triangular markers represent samples that were cold-rolled and annealed at 60 °C for 10 days. (a) DSC trace for an as-spun Al88Y7Fe5 ribbon sample. (b) DSC trace for the cold-rolled Al88Y7Fe5 ribbon sample. The inset shows the primary crystallization range

Influence of synthesis conditions on microstructure and phase transformations of annealed Sr₂FeMoO_6−x nanopowders formed by the citrate–gel method

• Marta Yarmolich,
• Nikolai Kalanda,
• Sergey Demyanov,
• Herman Terryn,
• Jon Ustarroz,
• Maksim Silibin and
• Gennadii Gorokh

Beilstein J. Nanotechnol. 2016, 7, 1202–1207, doi:10.3762/bjnano.7.111

• 120–450 K on the differential scanning calorimeter, DSC PT1000 produced by Linseis Messgeraete GmbH (Germany). The step of temperature rise in the measurement of the heat capacity was ≈2 K. Field emission scanning electron microscopy (a–c) and atomic force microscopy images (insets in a–c) and

Fabrication and characterization of novel multilayered structures by stereocomplexion of poly(D-lactic acid)/poly(L-lactic acid) and self-assembly of polyelectrolytes

• Elena Dellacasa,
• Li Zhao,
• Gesheng Yang,
• Laura Pastorino and
• Gleb B. Sukhorukov

Beilstein J. Nanotechnol. 2016, 7, 81–90, doi:10.3762/bjnano.7.10

• mass of the multilayers. Then, hollow, spherical microcapsules were obtained by the removal of the CaCO3 sacrificial template. The chemical composition of the obtained microcapsules was confirmed by differential scanning calorimetry (DSC) and wide X-ray diffraction (WXRD) analyses. The microcapsule

• , which only gave information about mass change [35]. Attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) was used to verify the stereocomplex formation and its effective adsorption onto the polyelectrolyte precursor. Differential scanning calorimetry (DSC) and wide X-ray

• , demonstrating that the PLA microcapsules assembled are in the structure of stereocomplex [52]. DSC curves It is known that the melting point will shift to a higher degree once two enantiomeric polymers have formed their stereocomplex polymer due to the increased crystallinity. This is because the enantiomeric

Metal hydrides: an innovative and challenging conversion reaction anode for lithium-ion batteries

• Luc Aymard,
• Yassine Oumellal and
• Jean-Pierre Bonnet

Beilstein J. Nanotechnol. 2015, 6, 1821–1839, doi:10.3762/bjnano.6.186

• ][35], MgH2 is ground using a carbon having the maximum BET surface area in order to agglomerate carbon particles on MgH2 particles. DSC traces of MgH2–10% Ct,z composite obtained after 4 h of grinding shows a decrease of 48 °C of the desorption peak maximum of hydride carbon composite compared to the

• %, open diamonds: 20%, black diamonds: 25%. b) Discharge–charge curve at a rate of one equivalent of lithium in 100 h for a content of 25% of Super P carbon. c) Discharge–charge curve at a rate of one lithium in 10 h for a content of 25% of Super P carbon at a rate of one lithium in 10 h [11]. a) DSC

Lower nanometer-scale size limit for the deformation of a metallic glass by shear transformations revealed by quantitative AFM indentation

• Arnaud Caron and
• Roland Bennewitz

Beilstein J. Nanotechnol. 2015, 6, 1721–1732, doi:10.3762/bjnano.6.176

• radiation and differential scanning calorimetry (DSC). We observed a broad diffraction peak at 39.866 degrees of 2θ, a clear glass transition at Tg = 223 °C, and crystallization at Tx = 295 °C using a heating rate RH = 0.67 K/s. The surface of an as-spun Pt-based metallic glass ribbon was prepared by

Thermal treatment of magnetite nanoparticles

• Beata Kalska-Szostko,
• Urszula Wykowska,
• Dariusz Satula and
• Per Nordblad

Beilstein J. Nanotechnol. 2015, 6, 1385–1396, doi:10.3762/bjnano.6.143

• cannot be made [16]. In this paper, tests of three different kinds of magnetite nanoparticles and their behavior at higher temperatures starting from 50 °C up to 500 °C have been selected. Some changes in differential scanning calorimetry (DSC) cycles have been observed in our previous measurements [21

• analysis of the magnetite and core–shell nanoparticles was performed on a Mettler Toledo differential scanning calorimeter (DSC). A Quantum Design MPMS SQUID magnetometer was used for the magnetization measurements. Mössbauer spectra (MS) were obtained using a conventional spectrometer working in constant

• calorimetry A quick (1 hour) heating and cooling cycle in the temperature range 2–450 °C with a scan rate of 10 °C/min was conducted for extreme samples. As a reference, an empty pan was heated at the same time. For each DSC measurement, a quantity of about 2 mg of the nanoparticle powder was sealed in an Al

From lithium to sodium: cell chemistry of room temperature sodium–air and sodium–sulfur batteries

• Philipp Adelhelm,
• Pascal Hartmann,
• Conrad L. Bender,
• Martin Busche,
• Christine Eufinger and
• Juergen Janek

Beilstein J. Nanotechnol. 2015, 6, 1016–1055, doi:10.3762/bjnano.6.105

Transformation of hydrogen titanate nanoribbons to TiO₂ nanoribbons and the influence of the transformation strategies on the photocatalytic performance

• Melita Rutar,
• Nejc Rozman,
• Matej Pregelj,
• Carla Bittencourt,
• Romana Cerc Korošec,
• Andrijana Sever Škapin,
• Aleš Mrzel,
• Srečo D. Škapin and
• Polona Umek

Beilstein J. Nanotechnol. 2015, 6, 831–844, doi:10.3762/bjnano.6.86

• unstable and, therefore, can be easily converted to TiO2. Depending on the nanoparticle size and/or morphology this transition can occur at temperatures even below 350 °C [11][27]. A thermogravimetric (TG) curve of the precursor nanoribbons with an accompanying differential scanning calorimetry (DSC) curve

• illumination of the samples in an EPR cavity. An Oxford Cryogenics continuous-flow liquid He cryogenic system ensured a temperature stability with a range of fluctuation below 0.1 K. The thermogravimetric (TG) measurements were performed on a Mettler Toledo TGA/DSC 1 Instrument from room temperature up to 800

• scanning calorimetry (DSC) measurements were performed separately on a Mettler Toledo DSC 1 Instrument. Around 5 mg of samples was weighed into 70 µL/min Pt crucibles; empty crucibles were used as a reference. The upper temperature of the measurements was 700 °C. Other parameters (heating rate, purge gas