A combined gas-phase dissociative ionization, dissociative electron attachment and deposition study on the potential FEBID precursor [Au(CH₃)₂Cl]₂

• Elif Bilgilisoy,
• Ali Kamali,
• Thomas Xaver Gentner,
• Gerd Ballmann,
• Sjoerd Harder,
• Hans-Peter Steinrück,
• Hubertus Marbach and
• Oddur Ingólfsson

Beilstein J. Nanotechnol. 2023, 14, 1178–1199, doi:10.3762/bjnano.14.98

Molecular nanoarchitectonics: unification of nanotechnology and molecular/materials science

• Katsuhiko Ariga

Beilstein J. Nanotechnol. 2023, 14, 434–453, doi:10.3762/bjnano.14.35

• bandgap engineering of porous graphene nanoribbons via their width and edge arrangement, periodic nanostructures provide a means to control the electronic properties of graphene nanoribbons. Ma, Tan, Wang, and co-workers have synthesized 5,8-dibromopicene on Au(111) surfaces via trans- and cis-coupling to

Cyclodextrins as eminent constituents in nanoarchitectonics for drug delivery systems

• Makoto Komiyama

Beilstein J. Nanotechnol. 2023, 14, 218–232, doi:10.3762/bjnano.14.21

• nanoarchitectures through the isomerization of azobenzene Azobenzene isomerizes upon UV irradiation (around 300 nm) from the trans form to the cis form [47]. The reverse isomerization (from cis to trans) is accomplishable by light with longer wavelength (e.g., 400 nm). This isomerization is a notable structural

• change of the molecule and, thus, very useful to regulate the formation/deformation of supramolecular nanoarchitectures. Importantly, only trans-azobenzene can form inclusion complexes with CyD, since it has a straight and flat structure that fairly fits the cavity of CyD. In contrast, the cis isomer is

• units [48]. Prior to photoirradiation, azobenzene takes the trans form, and is included into the cavity of α-CyD to form nanoparticles. Upon irradiation with UV light, however, azobenzene isomerizes to the cis form, leading to the breakdown of the inclusion complex with α-CyD. Thus, the nanoparticles

Sputtering onto liquids: a critical review

• Anastasiya Sergievskaya,
• Adrien Chauvin and
• Stephanos Konstantinidis

Beilstein J. Nanotechnol. 2022, 13, 10–53, doi:10.3762/bjnano.13.2

Absorption and photoconductivity spectra of amorphous multilayer structures

• Oxana Iaseniuc and
• Mihail Iovu

Beilstein J. Nanotechnol. 2020, 11, 1757–1763, doi:10.3762/bjnano.11.158

• explanation of our experimental data, as in the case for CIS-based solar cells with 1 < m < 2 (the transition part to m > 2) [16], is more complicated than that of the data of single-layer structures, because according to [16] the origin of the non-linear behavior may be the interface between the absorber and

Self-assembly and spectroscopic fingerprints of photoactive pyrenyl tectons on hBN/Cu(111)

• Domenik M. Zimmermann,
• Knud Seufert,
• Luka Ðorđević,
• Tobias Hoh,
• Sushobhan Joshi,
• Tomas Marangoni,
• Davide Bonifazi and
• Willi Auwärter

Beilstein J. Nanotechnol. 2020, 11, 1470–1483, doi:10.3762/bjnano.11.130

• is reduced with an increasing number of substituents. Furthermore, we discuss the influence of template-induced gating and supramolecular organization on the energies of distinct molecular orbitals. The selection of the number and positioning of the pyridyl termini in tetrasubstituted, trans- and cis

• . Reducing the number of substituents to two reduces the molecular symmetry, and concomitantly introduces interesting new properties, leading to prochiral trans-like-substituted 1,6-bis(pyridin-4-ylethynyl)pyrene (2) and polar cis-like-substituted 1,8-bis(pyridin-4-ylethynyl)pyrene (3). To evaluate the

• Information File 1). cis-like-disubstituted pyrene The deposition of the cis-like-disubstituted pyrene derivative 3 on hBN/Cu(111) at submonolayer coverage yielded extended, densely packed islands featuring straight edges. Figure 4a shows an STM image recorded at a bias voltage where both the molecular

Interfacial charge transfer processes in 2D and 3D semiconducting hybrid perovskites: azobenzene as photoswitchable ligand

• Nicole Fillafer,
• Tobias Seewald,
• Lukas Schmidt-Mende and
• Sebastian Polarz

Beilstein J. Nanotechnol. 2020, 11, 466–479, doi:10.3762/bjnano.11.38

• responsible for the photoswitching from trans- to cis-conformation [42]. In this region the trans-azobenzene shows a much stronger absorption than the cis-azobenzene. The S0→S1 transition (HOMO–LUMO) is a symmetry-forbidden n→π* transition and therefore shows a much weaker absorption than S0→S2. The

• conformational change and the associated symmetry breaking makes the transition S0→S1 more likely for the cis-isomer. By irradiating a solution of the ligands in an appropriate solvent at 313 nm (3.96 eV) the photoswitching can be observed via UV–vis absorption spectroscopy (see Figure 1). In the following, we

• (DOI) can be determined. Multiplets from 8.0 to 7.9 ppm and from 7.6 to 7.5 ppm are significant for the molecule in trans-conformation, whereas a multiplet from 7.4 to 7.2 ppm (highlighted in grey) belongs to the cis-isomer. Integration of the signals after irradiation gives a DOI of 39.4% of AzoC2 in

Chiral nanostructures self-assembled from nitrocinnamic amide amphiphiles: substituent and solvent effects

• Hejin Jiang,
• Huahua Fan,
• Yuqian Jiang,
• Li Zhang and
• Minghua Liu

Beilstein J. Nanotechnol. 2019, 10, 1608–1617, doi:10.3762/bjnano.10.156

• vibration of the nitro group, respectively. The absorption bands at ≈970–980 cm−1 were assigned to trans-vinylene C–H out-of-plane deformations and the ≈779–785 cm−1 absorption bands were attributed to cis-vinylenene C–H out-of-plane deformations. The detailed information of the FTIR spectra is given in

CuInSe₂ quantum dots grown by molecular beam epitaxy on amorphous SiO₂ surfaces

• Henrique Limborço,
• Pedro M.P. Salomé,
• Rodrigo Ribeiro-Andrade,
• Jennifer P. Teixeira,
• Nicoleta Nicoara,
• Kamal Abderrafi,
• Joaquim P. Leitão,
• Juan C. Gonzalez and
• Sascha Sadewasser

Beilstein J. Nanotechnol. 2019, 10, 1103–1111, doi:10.3762/bjnano.10.110

• with the promise to lead to significantly enhanced power conversion efficiencies beyond the Shockley–Queisser limit [17]. At this point, the research community is still developing preparation methods for such nanostructures. Several works have demonstrated the growth of CuInSe2 (CIS) nanodots using

• materials [31]. The motivation behind the present work is to grow CIS nanodots on substrates covered with an amorphous layer using co-evaporation. The vacuum conditions of the co-evaporation process will allow for the CIS to keep adequate optoelectronic properties, as demonstrated by the photoluminescence

• evaporated in excess of 30 times, as it is typical for chalcopyrite materials [32][33][34]. All samples presented in this work were deposited for a period of 5 min and with a substrate rotation of 10 rpm, to improve the homogeneity of the samples. Under these conditions a nominal CIS growth rate of 6 ± 1 Å

Synthesis of novel C-doped g-C₃N₄ nanosheets coupled with CdIn₂S₄ for enhanced photocatalytic hydrogen evolution

• Jingshuai Chen,
• Chang-Jie Mao,
• Helin Niu and
• Ji-Ming Song

Beilstein J. Nanotechnol. 2019, 10, 912–921, doi:10.3762/bjnano.10.92

• CIS, improving the charge transfer/separation efficiency. Upon visible-light irradiation, both CCN nanosheets and CIS can absorb photons to produce massive electron–hole pairs, then electrons in the VB of the semiconductors are able to be excited to the CB, leaving holes in the VB. Because the CB edge

• potential of CIS (−0.79 eV) is more positive than that of CCN (−1.26 eV), the photo-induced electrons in the CB of CCN can readily transfer to the CB of CIS and then reduce the hydrogen ions to produce H2 molecules. At the same time, the photogenerated holes in the VB of CCN can flow into that of CIS, which

• , CISCCN5 and CISCCN10, respectively. Pure CdIn2S4 (CIS) was also synthesized by the same hydrothermal method but without adding CCN. Characterization The as-prepared products were characterized by transmission electron microscopy (TEM) (JEM-2100, JEOL, Japan), Fourier-transform infrared spectroscopy (FTIR

Biocompatible organic–inorganic hybrid materials based on nucleobases and titanium developed by molecular layer deposition

• Leva Momtazi,
• Henrik H. Sønsteby and
• Ola Nilsen

Beilstein J. Nanotechnol. 2019, 10, 399–411, doi:10.3762/bjnano.10.39

• and therapy, and probes for biosensing [1]. Nucleobases are constituents of DNA and RNA and can interact with different metals to form several molecular assemblies [2][3]. In the 1960s, a powerful antitumor agent named cisplatin (cis-[Pt(NH3)2Cl2]) was discovered by Rosenberg [4]. Later it was

Electrolyte tuning in dye-sensitized solar cells with N-heterocyclic carbene (NHC) iron(II) sensitizers

• Mariia Karpacheva,
• Catherine E. Housecroft and
• Edwin C. Constable

Beilstein J. Nanotechnol. 2018, 9, 3069–3078, doi:10.3762/bjnano.9.285

• iron versus copper, the holy grail of sustainable DSCs is the use of iron-based sensitizers. Ferrere and Gregg [25] were the first to report of the use of a simple iron(II) sensitizer in a functional DSC; in the presence of the co-adsorbant chenodeoxycholic acid (cheno, Scheme 2), a DSC containing cis

• density of the DSCs (on day of sealing the cells) on additives (concentrations in M). Electrolyte compositions are LiI (0.1 M), I2 (0.05 M), ionic liquid (0.6 M) in MPN with additives as specified on the abscissa. Structures of the ruthenium dyes N3 and N719. Structures of cis-[Fe{bpy-4,4'-(CO2H)2}2(CN)2

Comparative biological effects of spherical noble metal nanoparticles (Rh, Pd, Ag, Pt, Au) with 4–8 nm diameter

• Alexander Rostek,
• Marina Breisch,
• Kevin Pappert,
• Kateryna Loza,
• Marc Heggen,
• Manfred Köller,
• Christina Sengstock and
• Matthias Epple

Beilstein J. Nanotechnol. 2018, 9, 2763–2774, doi:10.3762/bjnano.9.258

• reduction with sodium borohydride leads to small palladium nanoparticles (<10 nm) [65]. Silver nanoparticles can be synthesized in many different ways [66][67]. A bottom-up synthesis of silver nanoparticles can be performed either in organic solvents like ethylene glycol (EG), oleylamin (cis-1-amino-9

SERS active Ag–SiO₂ nanoparticles obtained by laser ablation of silver in colloidal silica

• Cristina Gellini,
• Francesco Muniz-Miranda,
• Alfonso Pedone and
• Maurizio Muniz-Miranda

Beilstein J. Nanotechnol. 2018, 9, 2396–2404, doi:10.3762/bjnano.9.224

• molecule in a cis conformation binds to a silver ion by means of both nitrogen atoms. To confirm that this interaction also occurs in our Ag–SiO2 colloid, we have performed DFT calculations by considering two possible complexes of bpy in a cis conformation, bonded to Ag+ ion or to Ag0 neutral atom. This

• '-bipyridine adsorbs on silver in a cis conformation linked to a positively charged active site (adatom) of the metal surface. This molecule/metal interaction closely resembles that occurring in the corresponding Ag(I) coordination compound. The strong molecule → metal charge-transfer, as evaluated by DFT

Recent highlights in nanoscale and mesoscale friction

• Andrea Vanossi,
• Dirk Dietzel,
• Andre Schirmeisen,
• Ernst Meyer,
• Rémy Pawlak,
• Thilo Glatzel,
• Marcin Kisiel,
• Shigeki Kawai and
• Nicola Manini

Beilstein J. Nanotechnol. 2018, 9, 1995–2014, doi:10.3762/bjnano.9.190

• process and the task of the related functional molecular groups. Then, the frictional properties of these films in the different conformations (e.g., trans and cis) will be intensively studied to understand how this conformation switching affects energy dissipation. Multiscale bridging The current

Closed polymer containers based on phenylboronic esters of resorcinarenes

• Tatiana Yu. Sergeeva,
• Rezeda K. Mukhitova,
• Irek R. Nizameev,
• Marsil K. Kadirov,
• Polina D. Klypina,
• Albina Y. Ziganshina and
• Alexander I. Konovalov

Beilstein J. Nanotechnol. 2018, 9, 1594–1601, doi:10.3762/bjnano.9.151

• bonds dissociate and p(SRA-B) breaks down. The boronic ester bonds are dynamic and reversible [44]. They undergo transesterification with different alcohols but preferably interact with 1,2-cis- and 1,3-diols to produce stable five- and six-membered rings. Such diols include glucose, which displaces

Nanoporous silicon nitride-based membranes of controlled pore size, shape and areal density: Fabrication as well as electrophoretic and molecular filtering characterization

• Axel Seidenstücker,
• Stefan Beirle,
• Fabian Enderle,
• Paul Ziemann,
• Othmar Marti and
• Alfred Plettl

Beilstein J. Nanotechnol. 2018, 9, 1390–1398, doi:10.3762/bjnano.9.131

• an array of millions of nanopores were characterized first by ionic transport measurements. The tests were performed on the three types, A, B and C, of membranes introduced above. The membranes were mounted between a cis- and trans-chamber made of Teflon, each equipped with an Ag/AgCl electrode

• -resolved. For this purpose a second, optically transparent measurement cell was made from PDMS (polydimethylsiloxane). The fluid channels, each being 11 mm in length, 2 mm in width, and 3 mm in height, are mounted in cis (right side) and trans (left side) configuration to the membrane. Again appropriate

• areas on the CCD camera array imaging three detection volumes each being 450 µm apart from the membrane level and about 10 × 10 × 1 µm3 in size. A measurement starts by applying a droplet of a protein or protein mixture with a pipette to the cis channel and initiating the data acquisition. More

Optical orientation of nematic liquid crystal droplets via photoisomerization of an azodendrimer dopant

• Sergey A. Shvetsov,
• Alexander V. Emelyanenko,
• Natalia I. Boiko,
• Alexander S. Zolot'ko,
• Yan-Song Zhang,
• Jui-Hsiang Liu and
• Alexei R. Khokhlov

Beilstein J. Nanotechnol. 2018, 9, 870–879, doi:10.3762/bjnano.9.81

• photosensitive materials [1][2][3][4]. This feature is associated with the capability of these molecules to change their shape due to absorption of light. A stable trans isomer can be excited by a light quantum and transformed into the metastable cis form, and vice versa, the cis isomer after light excitation

• returns into trans form. The anisotropic interaction of azobenzene molecules with each other, as well as with their environment, essentially depends on their shape (rod-like for trans isomers and having no distinct anisometry for cis isomers). This leads to the modification of physical properties of

• adsorbed dendrimer molecules are mostly oriented perpendicularly to the NLC–glycerol interface and align the NLC molecules in the same direction. The UV irradiation causes the trans→cis isomerization of the dopant, the cis isomers of the terminal moieties provide the planar alignment of NLC. In our

Effect of ferroelectric BaTiO₃ particles on the threshold voltage of a smectic A liquid crystal

• Abbas R. Imamaliyev,
• Mahammadali A. Ramazanov and
• Shirkhan A. Humbatov

Beilstein J. Nanotechnol. 2018, 9, 824–828, doi:10.3762/bjnano.9.76

• . Acknowledgements The authors gratefully acknowledge the financial support of The Joint Institute for Nuclear Research, in cooperation with the CIS International Innovation Center for Nanotechnologies and with the support of the Interstate Humanitarian Cooperation Fund of the CIS Member States Grant no. 080-303.

Electron interactions with the heteronuclear carbonyl precursor H₂FeRu₃(CO)₁₃ and comparison with HFeCo₃(CO)₁₂: from fundamental gas phase and surface science studies to focused electron beam induced deposition

• Ragesh Kumar T P,
• Paul Weirich,
• Lukas Hrachowina,
• Marc Hanefeld,
• Ragnar Bjornsson,
• Helgi Rafn Hrodmarsson,
• Sven Barth,
• D. Howard Fairbrother,
• Michael Huth and
• Oddur Ingólfsson

Beilstein J. Nanotechnol. 2018, 9, 555–579, doi:10.3762/bjnano.9.53

• effective in elucidating electron triggered decomposition of several FEBID precursors including Pt(PF3)4 [42], W(CO)6 [43], MeCpPtMe3 [44][45], Co(CO)3NO [46], Fe(CO)5 [47] and potential new precursors such as cis-Pt(CO)2Cl2 [48] and (η3-C3H5)Ru(CO)3Br [49]. From these surface science studies, it can be

Anchoring of a dye precursor on NiO(001) studied by non-contact atomic force microscopy

• Sara Freund,
• Antoine Hinaut,
• Nathalie Marinakis,
• Edwin C. Constable,
• Ernst Meyer,
• Catherine E. Housecroft and
• Thilo Glatzel

Beilstein J. Nanotechnol. 2018, 9, 242–249, doi:10.3762/bjnano.9.26

• ) changes to a cis-conformation upon coordination of a metal ion Mn+ (right). From large-scale imaging to atomic resolution on NiO(001). (a) Large scale topographic image of the NiO(001) crystal presenting clean terraces (scan parameters: = 4 nm, Δf1 = −30 Hz). The high-resolution topographic image (b

Response under low-energy electron irradiation of a thin film of a potential copper precursor for focused electron beam induced deposition (FEBID)

• Leo Sala,
• Iwona B. Szymańska,
• Céline Dablemont,
• Anne Lafosse and
• Lionel Amiaud

Beilstein J. Nanotechnol. 2018, 9, 57–65, doi:10.3762/bjnano.9.8

• introduction into vacuum, like the work on Cis-platin particles by Warneke and co-workers [13]. We propose here a similar approach in the apparatus in Orsay devoted to the study of surface processes induced by low-energy electrons in the 0–20 eV range. This range is of particular interest as the low-energy

Comparing postdeposition reactions of electrons and radicals with Pt nanostructures created by focused electron beam induced deposition

• Julie A. Spencer,
• Michael Barclay,
• Miranda J. Gallagher,
• Robert Winkler,
• Ilyas Unlu,
• Yung-Chien Wu,
• Harald Plank,
• Lisa McElwee-White and
• D. Howard Fairbrother

Beilstein J. Nanotechnol. 2017, 8, 2410–2424, doi:10.3762/bjnano.8.240

• from PtCl2 deposits created from cis-Pt(CO)2Cl2 by focused electron beam induced deposition (FEBID) is evaluated. Auger electron spectroscopy (AES) and energy-dispersive X-ray spectroscopy (EDS) measurements as well as thermodynamics calculations support the idea that electrons can remove chlorine from

• postdeposition electron-induced purification methods using O2 and H2O [13][17]. The majority of the work described in this study investigates potential strategies for purifying platinum-based FEBID deposits created from cis-Pt(CO)2Cl2 by treatment with electrons and AH, strategies which were deemed capable of

• removing chlorine from these deposits. We have previously shown that cis-Pt(CO)2Cl2 affords deposits that contain only Pt and Cl atoms [29], which hereafter will be referred to as PtCl2 deposits. In contrast to the extensive work on removing carbon from deposits, there is a general lack of information on

A nanocomplex of C₆₀ fullerene with cisplatin: design, characterization and toxicity

• Svitlana Prylutska,
• Svitlana Politenkova,
• Kateryna Afanasieva,
• Volodymyr Korolovych,
• Kateryna Bogutska,
• Andriy Sivolob,
• Larysa Skivka,
• Maxim Evstigneev,
• Viktor Kostjukov,
• Yuriy Prylutskyy and
• Uwe Ritter

Beilstein J. Nanotechnol. 2017, 8, 1494–1501, doi:10.3762/bjnano.8.149

• compounds. The genotoxicity of С60 fullerene, Cis and their complex was evaluated in vitro with the comet assay using human resting lymphocytes and lymphocytes after blast transformation. The cytotoxicity of the mentioned compounds was estimated by Annexin V/PI double staining followed by flow cytometry

• . The results clearly demonstrate that water-soluble C60 fullerene nanoparticles (0.1 mg/mL) do not induce DNA strand breaks in normal and transformed cells. C60 fullerene in the mixture with Cis does not influence genotoxic Cis activity in vitro, affects the cell-death mode in treated resting human

• , cisplatin (cis-[Pt(II)(NH3)2Cl2], Cis), is currently one of the most effective therapeutic agents used against cancer deceases, in particular, ovarian cancer, bladder cancer, esophagus cancer, lung cancer, and cancer of head and neck [1]. As an antitumor metal-containing agent Cis exerts an alkylating

Bright fluorescent silica-nanoparticle probes for high-resolution STED and confocal microscopy

• Isabella Tavernaro,
• Christian Cavelius,
• Henrike Peuschel and
• Annette Kraegeloh

Beilstein J. Nanotechnol. 2017, 8, 1283–1296, doi:10.3762/bjnano.8.130

• both particle types (Figure 6). The nanoparticles appeared to accumulate in the perinuclear region, but did not exclusively co-localise with the cis-Golgi network close to the nucleus, irrespective of the used label. Intensity profiles, derived from particle signals during STED imaging, revealed that a

• cis-Golgi apparatus, respectively. Cells were mounted on glass slides with Mowiol/DABCO (Sigma-Aldrich, Taufkirchen, Germany) 1 h, 1 µL in 500 µL 1% BSA/PBS. STED Imaging STED imaging was performed using a Leica TCS-SP5 STED (Leica Microsystems, Mannheim, Germany) microscope equipped with a Leica HCX

• intracellular location of the particles. The actin cytoskeleton is depicted in cyan, the cis-Golgi network in yellow and silica nanoparticles in magenta. Pre-synthesis modification steps of the Atto647N dye. Path A: The dye was modified with a cysteic acid linker–APTES conjugate (a: DMSO, NEt3, rt, overnight; b