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Search for "chemistry" in Full Text gives 1152 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Introducing third-generation periodic table descriptors for nano-qRASTR modeling of zebrafish toxicity of metal oxide nanoparticles

  • Supratik Kar and
  • Siyun Yang

Beilstein J. Nanotechnol. 2024, 15, 1142–1152, doi:10.3762/bjnano.15.93

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  • Supratik Kar Siyun Yang Chemometrics and Molecular Modeling Laboratory, Department of Chemistry and Physics, Kean University, 1000 Morris Avenue, Union, NJ 07083, USA 10.3762/bjnano.15.93 Abstract Metal oxide nanoparticles (MONPs) are widely used in medicine and environmental remediation because
  • behavior in different oxidation states. This is particularly relevant in nanoparticle chemistry, where redox reactions are common. The density of a metal is a macroscopic property that influences the mass and volume of nanoparticles. Electron affinity measures the energy change when an electron is added to
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Published 10 Sep 2024

Local work function on graphene nanoribbons

  • Daniel Rothhardt,
  • Amina Kimouche,
  • Tillmann Klamroth and
  • Regina Hoffmann-Vogel

Beilstein J. Nanotechnol. 2024, 15, 1125–1131, doi:10.3762/bjnano.15.91

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  • , Switzerland current address: Department of Physics, University of Basel, CH-4056 Basel, Switzerland Institute of Chemistry, University of Potsdam, Karl-Liebknecht-Str. 24–25, 14476 Potsdam-Golm, Germany 10.3762/bjnano.15.91 Abstract Graphene nanoribbons show exciting electronic properties related to the
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Published 29 Aug 2024

Direct electron beam writing of silver using a β-diketonate precursor: first insights

  • Katja Höflich,
  • Krzysztof Maćkosz,
  • Chinmai S. Jureddy,
  • Aleksei Tsarapkin and
  • Ivo Utke

Beilstein J. Nanotechnol. 2024, 15, 1117–1124, doi:10.3762/bjnano.15.90

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  • fragmentation of adsorbed precursor molecules on a substrate [5][6][7][8][9]. The precursor is typically supplied in gaseous phase. Exploiting the different complex pathways in electron-induced chemistry (such as formation of unstable intermediates and thermal assistance in adsorption and desorption) and the
  • . Compared to the typically obtained granular structure of metallic nanoparticles in a carbonaceous matrix, the deposit composition and chemistry evolution are unexpected. The resulting deposit exhibits a carbon-rich body with a surface decorated with silver nanoparticles and an interfacial layer of
  • overhanging 3D wire structures. Concerning the electron-induced chemistry, a strong dependence on the electron flux is revealed, leading to sharply distinguishable chemical regimes in the halo and in the deposit body. Here, a tendency towards incomplete dissociation at low electron fluxes and co-dissociation
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Published 26 Aug 2024

Unveiling the potential of alginate-based nanomaterials in sensing technology and smart delivery applications

  • Shakhzodjon Uzokboev,
  • Khojimukhammad Akhmadbekov,
  • Ra’no Nuritdinova,
  • Salah M. Tawfik and
  • Yong-Ill Lee

Beilstein J. Nanotechnol. 2024, 15, 1077–1104, doi:10.3762/bjnano.15.88

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  • preparation of alginate-based nanoparticles involves a series of steps that utilize green chemistry principles [52]. Green chemistry involves using sustainable and environmentally friendly processes to minimize the use of hazardous materials and reduce waste. To begin the preparation of alginate-based
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Published 22 Aug 2024

Effect of wavelength and liquid on formation of Ag, Au, Ag/Au nanoparticles via picosecond laser ablation and SERS-based detection of DMMP

  • Sree Satya Bharati Moram,
  • Chandu Byram and
  • Venugopal Rao Soma

Beilstein J. Nanotechnol. 2024, 15, 1054–1069, doi:10.3762/bjnano.15.86

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  • FESEM facilities and the School of Chemistry for the TEM facility. We sincerely thank the late Dr. Anik K. Razdan, LASTEC, India, for providing the DMMP sample. We thank the Director of ACRHEM for the fruitful discussions. We acknowledge the support of Dr. Bikash Ghose, HEMRL, Pune, for critical
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Published 19 Aug 2024

Interface properties of nanostructured carbon-coated biological implants: an overview

  • Mattia Bartoli,
  • Francesca Cardano,
  • Erik Piatti,
  • Stefania Lettieri,
  • Andrea Fin and
  • Alberto Tagliaferro

Beilstein J. Nanotechnol. 2024, 15, 1041–1053, doi:10.3762/bjnano.15.85

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  • Materiali (INSTM), Via G. Giusti 9, 50121, Firenze, Italy Department of Chemistry, University of Turin, Via P. Giuria 7, 10125 Torino, Italy Department of Applied Science and Technology, Politecnico di Torino, Corso Duca Degli Abruzzi, 24, 10129, Torino, Italy 10.3762/bjnano.15.85 Abstract The interfaces
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Published 16 Aug 2024

Atomistic insights into the morphological dynamics of gold and platinum nanoparticles: MD simulations in vacuum and aqueous media

  • Evangelos Voyiatzis,
  • Eugenia Valsami-Jones and
  • Antreas Afantitis

Beilstein J. Nanotechnol. 2024, 15, 995–1009, doi:10.3762/bjnano.15.81

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  • spherical nanoparticles (NPs) upon cooling is studied through atomistic molecular dynamics simulations. The goal is to identify the morphological transformations occurring in the nanomaterials as well as to quantify their dependence on temperature, chemistry, and NP size. For diameters smaller than 3 nm
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Published 07 Aug 2024

Beyond biomimicry – next generation applications of bioinspired adhesives from microfluidics to composites

  • Dan Sameoto

Beilstein J. Nanotechnol. 2024, 15, 965–976, doi:10.3762/bjnano.15.79

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  • Creative Commons Attribution 3.0 Unported License, https://creativecommons.org/licenses/by/3.0. The source journal is © The Royal Society of Chemistry 2015. Panel (a) represents the fabrication process that may include gasket structures in addition to fibers and rigid backing layers to ensure that pressure
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Perspective
Published 05 Aug 2024

The effect of age on the attachment ability of stick insects (Phasmatodea)

  • Marie Grote,
  • Stanislav N. Gorb and
  • Thies H. Büscher

Beilstein J. Nanotechnol. 2024, 15, 867–883, doi:10.3762/bjnano.15.72

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  • (Department of Functional Morphology and Biomechanics, Kiel University, Germany) for their technical assistance. Clara Igelmann (Kiel), Alexander Köhnsen (Wageningen University and Research, Netherlands) and Prof. Dr. Frank Edlich (Institute of Physiological Chemistry, Leipzig University, Germany) are thanked
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Published 15 Jul 2024

Electron-induced ligand loss from iron tetracarbonyl methyl acrylate

  • Hlib Lyshchuk,
  • Atul Chaudhary,
  • Thomas F. M. Luxford,
  • Miloš Ranković,
  • Jaroslav Kočišek,
  • Juraj Fedor,
  • Lisa McElwee-White and
  • Pamir Nag

Beilstein J. Nanotechnol. 2024, 15, 797–807, doi:10.3762/bjnano.15.66

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  • Hlib Lyshchuk Atul Chaudhary Thomas F. M. Luxford Milos Rankovic Jaroslav Kocisek Juraj Fedor Lisa McElwee-White Pamir Nag J. Heyrovský Institute of Physical Chemistry, Czech Academy of Sciences, Dolejškova 3, 182 23 Prague, Czech Republic Department of Physical Chemistry, University of Chemistry
  • and Technology, Technická 5, 16628 Prague, Czech Republic Department of Chemistry, University of Florida, Gainesville, Florida 32611-7200, United States 10.3762/bjnano.15.66 Abstract We probe the separation of ligands from iron tetracarbonyl methyl acrylate (Fe(CO)4(C4H6O2) or Fe(CO)4MA) induced by
  • . Interesting differences also appear when this precursor is compared to structurally similar iron pentacarbonyl. The present findings shed light on the recent electron-induced chemistry of Fe(CO)4MA on a surface under ultrahigh vacuum. Keywords: electron collision; focused electron beam-induced deposition
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Published 03 Jul 2024

Enhancing higher-order modal response in multifrequency atomic force microscopy with a coupled cantilever system

  • Wendong Sun,
  • Jianqiang Qian,
  • Yingzi Li,
  • Yanan Chen,
  • Zhipeng Dou,
  • Rui Lin,
  • Peng Cheng,
  • Xiaodong Gao,
  • Quan Yuan and
  • Yifan Hu

Beilstein J. Nanotechnol. 2024, 15, 694–703, doi:10.3762/bjnano.15.57

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  • resonant mode tracking the sample topography and the higher-order resonant mode providing information about mechanical properties [5][6]. Bimodal AFM is relatively simple to operate and offers improved imaging quality. Hence, it is widely applicable in diverse fields such as physics, chemistry, and biology
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Published 17 Jun 2024

Laser synthesis of nanoparticles in organic solvents – products, reactions, and perspectives

  • Theo Fromme,
  • Sven Reichenberger,
  • Katharine M. Tibbetts and
  • Stephan Barcikowski

Beilstein J. Nanotechnol. 2024, 15, 638–663, doi:10.3762/bjnano.15.54

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  • Theo Fromme Sven Reichenberger Katharine M. Tibbetts Stephan Barcikowski Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Universitätsstrasse 7, 45141 Essen, Germany Department of Chemistry, Virginia Commonwealth University, Richmond, VA
  • , the corresponding reactions in organic liquids remain elusive, particularly because of the much greater complexity of carbon chemistry. To this end, this article first reviews the knowledge base of chemical reactions during LSPC and then deduces identifiable reaction pathways and mechanisms. This
  • mechanisms of organic liquid decomposition and carbon shell formation are highlighted and discussed regarding current challenges and future perspectives of LSPC using organic liquids instead of water. Keywords: alloy; photochemistry; pyrolysis; radicals; surface chemistry; Introduction Since the first
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Published 05 Jun 2024

Comparative analysis of the ultrastructure and adhesive secretion pathways of different smooth attachment pads of the stick insect Medauroidea extradentata (Phasmatodea)

  • Julian Thomas,
  • Stanislav N. Gorb and
  • Thies H. Büscher

Beilstein J. Nanotechnol. 2024, 15, 612–630, doi:10.3762/bjnano.15.52

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  • particles together into larger complexes for easier removal [25][26]. It can also improve attachment to surfaces with different surface chemistry by mediating between the two surfaces in contact [27][28]. The lipid-containing pad secretion protects the insect from additional water loss through the thin
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Published 29 May 2024

AFM-IR investigation of thin PECVD SiOx films on a polypropylene substrate in the surface-sensitive mode

  • Hendrik Müller,
  • Hartmut Stadler,
  • Teresa de los Arcos,
  • Adrian Keller and
  • Guido Grundmeier

Beilstein J. Nanotechnol. 2024, 15, 603–611, doi:10.3762/bjnano.15.51

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  • Hendrik Muller Hartmut Stadler Teresa de los Arcos Adrian Keller Guido Grundmeier Technical and Macromolecular Chemistry, Paderborn University, Warburger Str. 100, 33098 Paderborn, Germany Bruker Nano Surfaces and Metrology Division, Östliche Rheinbrückenstr. 49, 76187 Karlsruhe, Germany 10.3762
  • peaks of the two samples (shown in Table 1) additionally supports the result that the chemistry of both SiOx layers is the same. AFM-IR analysis The prepared samples were analyzed by photothermal AFM-IR. First, AFM images were collected in contact mode to visualize the sample surface (Figure 4). In the
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Published 24 May 2024

Stiffness calibration of qPlus sensors at low temperature through thermal noise measurements

  • Laurent Nony,
  • Sylvain Clair,
  • Daniel Uehli,
  • Aitziber Herrero,
  • Jean-Marc Themlin,
  • Andrea Campos,
  • Franck Para,
  • Alessandro Pioda and
  • Christian Loppacher

Beilstein J. Nanotechnol. 2024, 15, 580–602, doi:10.3762/bjnano.15.50

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  • -vacuum (UHV) system and at, or close to, liquid helium temperature (4–10 K, LT UHV), the method allows for the direct characterization of individual molecules with intramolecular contrast [4], opening up the field of studying on-surface reactions [5] or tip-induced chemistry [6]. The method also makes it
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Published 23 May 2024

On the additive artificial intelligence-based discovery of nanoparticle neurodegenerative disease drug delivery systems

  • Shan He,
  • Julen Segura Abarrategi,
  • Harbil Bediaga,
  • Sonia Arrasate and
  • Humberto González-Díaz

Beilstein J. Nanotechnol. 2024, 15, 535–555, doi:10.3762/bjnano.15.47

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  • Shan He Julen Segura Abarrategi Harbil Bediaga Sonia Arrasate Humberto Gonzalez-Diaz Department of Organic and Inorganic Chemistry, University of Basque Country UPV/EHU, 48940 Leioa, Spain IKERDATA S.L., ZITEK, UPV/EHU, Rectorate Building, nº6, 48940 Leioa, Greater Bilbao, Basque Country, Spain
  • N2D3Ss for diagnosis and treatment [12][13][14][15]. Also, over the last few years, artificial intelligence/machine learning (AI/ML) models have been applied successfully to solve problems in different disciplines, especially in the interface of chemistry and ND research [16][17][18][19]. In this regard
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Published 15 May 2024

Electron-induced deposition using Fe(CO)4MA and Fe(CO)5 – effect of MA ligand and process conditions

  • Hannah Boeckers,
  • Atul Chaudhary,
  • Petra Martinović,
  • Amy V. Walker,
  • Lisa McElwee-White and
  • Petra Swiderek

Beilstein J. Nanotechnol. 2024, 15, 500–516, doi:10.3762/bjnano.15.45

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  • Hannah Boeckers Atul Chaudhary Petra Martinovic Amy V. Walker Lisa McElwee-White Petra Swiderek Institute for Applied and Physical Chemistry (IAPC), Faculty 2 (Chemistry/Biology), University of Bremen, Leobener Str. 5, 28359 Bremen, Germany Department of Chemistry, University of Florida
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Published 08 May 2024

Photocatalytic degradation of methylene blue under visible light by cobalt ferrite nanoparticles/graphene quantum dots

  • Vo Chau Ngoc Anh,
  • Le Thi Thanh Nhi,
  • Le Thi Kim Dung,
  • Dang Thi Ngoc Hoa,
  • Nguyen Truong Son,
  • Nguyen Thi Thao Uyen,
  • Nguyen Ngoc Uyen Thu,
  • Le Van Thanh Son,
  • Le Trung Hieu,
  • Tran Ngoc Tuyen and
  • Dinh Quang Khieu

Beilstein J. Nanotechnol. 2024, 15, 475–489, doi:10.3762/bjnano.15.43

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  • , Vietnam Center for Advanced Chemistry, Institute of Research & Development, Duy Tan University, Vietnam Faculty of Natural Sciences, Duy Tan University, Vietnam University of Education and Science, The University of Danang, Vietnam 10.3762/bjnano.15.43 Abstract A simple approach was developed to
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Published 29 Apr 2024

Classification and application of metal-based nanoantioxidants in medicine and healthcare

  • Nguyen Nhat Nam,
  • Nguyen Khoi Song Tran,
  • Tan Tai Nguyen,
  • Nguyen Ngoc Trai,
  • Nguyen Phuong Thuy,
  • Hoang Dang Khoa Do,
  • Nhu Hoa Thi Tran and
  • Kieu The Loan Trinh

Beilstein J. Nanotechnol. 2024, 15, 396–415, doi:10.3762/bjnano.15.36

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  • University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si 13120, Republic of Korea Department of Materials Science, School of Applied Chemistry, Tra Vinh University, Tra Vinh City 87000, Vietnam NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ward 13, District 04, Ho Chi Minh City 70000, Vietnam Faculty
  • thyroid hormone disruption in zebrafish larvae co-exposed to tetrabromobisphenol A by promoting its bioaccumulation and bioavailability [192]. Xu et al. demonstrated that TiO2 nanoparticles can promote damage to adipose derived stromal cells at low concentrations [193]. Accordingly, the surface chemistry
  • collaboration between chemistry, biomedical fields, nanomaterials science, and physics is needed to accurately control the shape, size, and morphology of metal-based nanoantioxidants for more specific accumulation. Classification of antioxidant nanomaterials. Multi-antioxidant activities of ceria nanoplates. (a
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Published 12 Apr 2024
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  • toxicity. Furthermore, it is a well-established fact that each metal has an affinity constant for various ligands, which means that most metal cations can form stable complexes with a wide variety of ligands, further increasing their potential toxicity. In the field of physical chemistry, the zeta
  • Fenton chemistry to produce hydroxyl radicals. ROS further accelerate the damage of the cell. “Valence” (V) is a factor that contributes to cell damage. It indicates the number of electrons in the outermost shell of an atom that are available for chemical bonding and is similar to other descriptors that
  • surface. Unfortunately, this interaction can lead to DNA damage through processes such as delocalization, redox chemistry, and the generation of ROS. Our research aimed to examine how the time of exposure to metal oxide affects cell damage, regardless of other physiochemical properties of MeOx NPs. Our
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Published 12 Mar 2024

Vinorelbine-loaded multifunctional magnetic nanoparticles as anticancer drug delivery systems: synthesis, characterization, and in vitro release study

  • Zeynep Özcan and
  • Afife Binnaz Hazar Yoruç

Beilstein J. Nanotechnol. 2024, 15, 256–269, doi:10.3762/bjnano.15.24

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  • Zeynep Ozcan Afife Binnaz Hazar Yoruc Yildiz Technical University, Faculty of Chemistry and Metallurgy, Department of Metallurgical and Materials Engineering, 34210, Istanbul, Turkey 10.3762/bjnano.15.24 Abstract In this study, a multifunctional therapeutic agent combining chemotherapy and
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Published 28 Feb 2024

Multiscale modelling of biomolecular corona formation on metallic surfaces

  • Parinaz Mosaddeghi Amini,
  • Ian Rouse,
  • Julia Subbotina and
  • Vladimir Lobaskin

Beilstein J. Nanotechnol. 2024, 15, 215–229, doi:10.3762/bjnano.15.21

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  • the outer surface of macroscropic and micro- and nano-sized particulate after packaging. It also highlights the dynamic interactions at the bionano interface associated with potential human health hazards. Through biomolecule adsorption, change of conformation, and surface chemistry, foreign materials
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Published 13 Feb 2024

Ion beam processing of DNA origami nanostructures

  • Leo Sala,
  • Agnes Zerolová,
  • Violaine Vizcaino,
  • Alain Mery,
  • Alicja Domaracka,
  • Hermann Rothard,
  • Philippe Boduch,
  • Dominik Pinkas and
  • Jaroslav Kocišek

Beilstein J. Nanotechnol. 2024, 15, 207–214, doi:10.3762/bjnano.15.20

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  • Leo Sala Agnes Zerolova Violaine Vizcaino Alain Mery Alicja Domaracka Hermann Rothard Philippe Boduch Dominik Pinkas Jaroslav Kocisek Dynamics of Molecules and Clusters Department, J. Heyrovský Institute of Physical Chemistry of the CAS, Dolejškova 3, Prague, 182 23, Czech Republic Normandie Univ
  • measurements and analysis. Funding The article is based upon work from COST Action CA20129 - Multiscale Irradiation and Chemistry Driven Processes and Related Technologies (MultIChem), supported by COST (European Cooperation in Science and Technology) and project RADIATE 21002436-ST. This work was also
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Published 12 Feb 2024

CdSe/ZnS quantum dots as a booster in the active layer of distributed ternary organic photovoltaics

  • Gabriela Lewińska,
  • Piotr Jeleń,
  • Zofia Kucia,
  • Maciej Sitarz,
  • Łukasz Walczak,
  • Bartłomiej Szafraniak,
  • Jerzy Sanetra and
  • Konstanty W. Marszalek

Beilstein J. Nanotechnol. 2024, 15, 144–156, doi:10.3762/bjnano.15.14

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  • , Department of Silicate Chemistry and Macromolecular Compounds, 30 Mickiewicza Ave, 30-059 Krakow, Poland R&D Department, PREVAC sp. z o.o., Raciborska 61, 44-362 Rogów, Poland retired, formerly: Cracow University of Technology, Institute of Physics, ul. Podchorążych 1, 30-084 Kraków, Poland 10.3762/bjnano
  • . The emission wavelength is determined by the crystal size and structure; crystals of the same chemistry can have emission maxima spanning a wide range. As the size of the dots decreases, both their optical absorption and emission shift to higher energies [41]. Because hydrophilic QDs are coated with
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Published 02 Feb 2024

In situ optical sub-wavelength thickness control of porous anodic aluminum oxide

  • Aleksandrs Dutovs,
  • Raimonds Popļausks,
  • Oskars Putāns,
  • Vladislavs Perkanuks,
  • Aušrinė Jurkevičiūtė,
  • Tomas Tamulevičius,
  • Uldis Malinovskis,
  • Iryna Olyshevets,
  • Donats Erts and
  • Juris Prikulis

Beilstein J. Nanotechnol. 2024, 15, 126–133, doi:10.3762/bjnano.15.12

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  • Kaunas University of Technology, K. Baršausko St. 59, Kaunas LT-51423, Lithuania Department of Physics, Faculty of Mathematics and Natural Sciences, Kaunas University of Technology, Studentų St. 50, Kaunas LT-51368, Lithuania Faculty of Chemistry, University of Latvia, 1 Jelgavas Str., Riga LV-1004
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Published 31 Jan 2024
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