Yury V. Kolen'ko

Yury V. Kolen'ko
International Iberian Nanotechnology Laboratory · Nanochemistry Research Group http://nanochemgroup.org

Ph.D. in Chemistry
Chemistry | Materials | Catalysis | Energy | Coatings

About

138
Publications
48,070
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Introduction
Yury holds both Diploma & PhD degrees in chemistry from Lomonosov Moscow State University. Yury enjoys synthesis, investigation & application of unconventional nanomaterials. Web-> http://nanochemgroup.org ORCID-> https://orcid.org/0000-0001-7493-1762 Google Scholar-> https://scholar.google.pt/citations?user=WVE-MNYAAAAJ&hl=en LinkedIn-> https://www.linkedin.com/in/yury-v-kolen-ko-a7815352
Additional affiliations
February 2019 - February 2020
International Iberian Nanotechnology Laboratory
Position
  • Group Leader
October 2016 - January 2019
International Iberian Nanotechnology Laboratory
Position
  • Group Leader
July 2013 - September 2016
International Iberian Nanotechnology Laboratory
Position
  • Researcher

Publications

Publications (138)
Article
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Hydrogen is expected to play a key role in future clean energy technology as an energy vector. It could be produced in a sustainable manner via water electrolysis powered by renewable energy sources. The widespread application of this technology, however, is hindered by several factors, with a prominent bottleneck in the scale-up of hydrogen produc...
Article
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combat the global problem of carbon dioxide emissions, hydrogen is the desired energy vector for the transition to environmentally benign fuel cell power. Water electrolysis (WE) is the major technology for sustainable hydrogen production. Despite the use of renewable solar and wind power as sources of electricity, one of the main barriers for the...
Article
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Oxide perovskites have attracted great interest as materials for energy conversion due to their stability and structural tunability. La-based perovskites of 3d-transition metals have demonstrated excellent activities as electrocatalysts in water oxidation. Herein, we report the synthesis route to La-based perovskites using an environmentally friend...
Article
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The development of novel cost-efficient, high-performing catalysts for CO2 methanation that are active at low temperatures can be optimized through the understanding of the reaction mechanism on different materials. A series of Ni-based catalysts supported on CeO2 and carbon/CeO2 composites was investigated, showing that Ni nanoparticles supported...
Article
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The targeted global decarbonization demands the urgent replacement of conventional fossil fuel with low carbon technologies. For instance, solar energy is abundant, inexhaustible, non-polluting, and low-priced; however, to produce energy on large scale with reliable, cost-efficient, and environmentally friendly methods remains a challenge. The outs...
Article
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The synthesis and characterization of novel graphene oxide coupled to TiO2 (GO-TiO2) was carried out in order to better understand the performance of this photocatalyst, when compared to well-known TiO2 (P25) from Degussa. Thus, its physical-chemical characterization (FTIR, XRD, N2 isotherms and electrochemical measurements) describes high porosity...
Article
Post-synthetic modification strategy is presented to extend the π-system of covalent organic framework (COF) backbone giving access to boronic ester based pyrene-fused azaacene COFs. Optimized catalyst-free reaction conditions yield COFs post-synthetically modified with up to 33% conversion and corresponding intriguing optical properties. The prese...
Article
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Atomically dispersed metal catalysts are interesting materials for electrocatalysis. To this end, covalent organic frameworks (COFs) offer an excellent opportunity for the periodic placement of catalytically active single metal atoms within a porous framework. We report here a synthetic strategy to a series of imide-linked metal-containing phthaloc...
Article
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The N−doping of carbon nanotubes (CNTs) is widely accepted as an effective way to enhance the catalytic performance of CNT-supported Ni catalysts for CO2 methanation. To demonstrate, in a direct systematic comparison, the importance of N−doping for producing high-performance CO2 methanation catalysts, we developed two catalysts composed of 15 wt% N...
Article
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In this work, “breathing-caloric” effect is introduced as a new term to define very large thermal changes that arise from the combination of structural changes and gas adsorption processes occurring during breathing transitions. In regard to cooling and heating applications, this innovative caloric effect appears under very low working pressures an...
Article
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Properties of gold nanoparticles supported on Si substrates, which have been the focus of recent attention, depend sensitively on the size, structure and coordination of gold nanoparticles as well as on the processes of interdiffusion and chemical bonding at the Au‐Si interface. There is great need, therefore, for developing structural techniques c...
Article
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A facile and universal route for synthesizing transition metal borides has been developed by a reaction of boron triiodide (BI3) with elemental transition metals. This method employs relatively low synthesis...
Article
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Environmentally friendly synthesis of Cu(In,Ga)Se2 (CIGS) nanoparticles (NPs) is pivotal for producing sustainable photocatalytic compounds to be applied in the remediation of contaminants of emerging concern from water. To this end, we herein report an aqueous synthesis of CIGS NPs, followed by annealing, to give access to phase-pure CIGS crystals...
Article
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The cost‐effectiveness and excellent performance of conductive‐carbon‐supported Ni‐based electrocatalysts make them attractive materials for hydrogen oxidation and evolution reactions. However, they were previously unused in gas‐phase hydrogenation reactions. In this work, we have expanded the applicability of commercially available advanced Ni/C,...
Chapter
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Since the turn of the millennium, the search for highly efficient electrocatalysts has been strongly directed toward nanomaterials, which exhibit an array of interesting properties due to finite-size effects. For example, nanoelectrocatalysts usually have enhanced electrical conductivity, high effective electrochemically active surface area, and tu...
Article
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Considering water scarcity, photo-based processes have been presented as a depollution technique, which should be optimized in order to be applied in the future. For that, the addition of an active photocatalyst and the usage of solar radiation are mandatory steps. Thus, Fe3O4–SiO2–TiO2 was synthesized, and its performance was evaluated using simul...
Article
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During the last few decades, the interest over chalcopyrite and related photovoltaics has been growing due the outstanding structural and electrical properties of the thin-film Cu(In,Ga)Se2 photoabsorber. More recently, thin film deposition through solution processing has gained increasing attention from the industry, due to the potential low-cost...
Article
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Given the societal concerns about the use of toxic chemicals and costly fabrication of functional materials and devices for photovoltaic applications, it is important to develop alternative sustainable methodologies. Previous studies have shown that cost-effective printing fabrication of Cu(In,Ga)Se2 thin film photovoltaics represents an interestin...
Article
In modern dentistry, various techniques are being used to enhance longevity of a tooth implant. Among the most attractive solutions to promote the long-term stability of a dental implant, is the application of a protective coating on selected parts of the assembly. In this paper, the use of 3-(glycidyloxypropyl)trimethoxysilane and tetraethyl ortho...
Article
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Ferroelectric metals—with coexisting ferroelectricity and structural asymmetry—challenge traditional perceptions because free electrons screen electrostatic forces between ions, the driving force of breaking the spatial inversion symmetry. Despite ferroelectric metals having been unveiled one after another, topologically switchable polar objects wi...
Article
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Colloidal synthesis is harnessed for gram-scale preparation of hexagonal-shaped plate-like Bi2Te2.7Se0.3 particles, yielding nearly 5 g of the product in one experiment. The resultant textured particles are highly crystalline, phase-pure, chemically uniform, and can serve as a starting material for the preparation of bulk thermoelectrics for room t...
Article
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Ionic self-assembly is a simple yet powerful method to obtain robust nanostructures. Herewith, we use mixtures of oppositely-charged porphyrins that can act as mesogens to form chromonic liquid crystals in water, i.e., molecular stacks with orientational (nematic) or positional (hexagonal) order. Electrostatic locking coupled with π-π interactions...
Article
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A high-throughput flame spray pyrolysis directly affords low-loading Pt catalyst supported on cerium oxide, which is an excellent material for selective semihydrogenation of C2H2 at 180C, exhibiting nearly complete conversion of C2H2 (98.2%) with high selectivity towards C2H4 (87.1%). Pt in this catalyst is atomically dispersed within cerium oxide,...
Article
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The surface chemistry of the activated carbon supporting material was tailored to investigate the influence of O and N groups as well as O-free Lewis basic sites on the performance of the Ni-based catalysts for CO2 methanation. Catalytic experiments demonstrated that 15% Ni on carbon with O-free Lewis basic sites showed the best performance (XCO2 =...
Article
High-energy X-ray diffraction (HE-XRD) experiments combined with an analysisbased on atomic-pair-distribution functions can be an effective tool for probing low-dimensional materials. Here, we show how such an analysis can be used to gain insightinto structural properties of PbTe nanoparticles. We interpret our HE-XRD data using anorthorhombic Pnma...
Article
A magnetic covalent organic framework (COF) is applied for the first time as adsorbent for the extraction of endocrine-disrupting pesticides from water. High adsorption efficiencies were found for lipophilic chlorpyrifos and atrazine, with calculated maximum adsorption capacities of 270 mg g⁻¹ and 54 mg g⁻¹, respectively, outperforming reported ads...
Article
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Ferrihydrite, a natural nanocrystal of iron, can adsorb and consequently eliminate contaminant ions when taken out of water at specific point-of-zero-charge. We propose to extract ferrihydrite clusters are wide range of pH and iron concentrations using zinc acetate coagulant. Added zinc is also removed due to strong chemical interaction between Fe...
Article
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How the crystal structures of ordered transition-metal phosphide catalysts affect the hydrogen-evolution reaction (HER) is investigated by measuring the anisotropic catalytic activities of selected crystallographic facets on large (mm-sized) single crystals of iron-phosphide (FeP) and monoclinic nickel-diphosphide (m-NiP2). We find that different c...
Article
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The deployment of water electrolysis as a major contributor to global hydrogen production requires the elimination of catalysts based on scarce and expensive precious metals, and amongst the most promising alternatives are first-row transition metal phosphides. This study presents the synthesis, characterisation, electrochemical testing and perform...
Article
The time and energy efficient synthesis of high performance β-Zn4Sb3 is essential for its thermoelectric (TE) based commercialization. In the present work, a facile yet scalable single-step processing has been demonstrated by employing reactive sintering at optimal conditions, to obtain dense polycrystalline p-type β-Zn4Sb3 bulk TE materials with a...
Article
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The development of non-precious metal electrocatalysts for polymer-electrolyte membrane (PEM) water electrolysis is a milestone for the technology, which currently relies on rare and expensive platinum-group metals. Half-cell measurements have shown iron phosphide materials to be promising alternative hydrogen evolution electrocatalysts, but their...
Article
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A new approach to fabricate Cu(In,Ga)Se2 solar cells on conductive fluorine-doped tin oxide (FTO) is reported, in which commercial CuO, In2O3, and Ga2O3 are formulated into high-quality ink based on ethyl cellulose solution in terpineol. From this ink, a 2 m photoabsorber layer is fabricated by convenient screen printing followed by thermal seleni...
Article
Defect engineering in thermoelectric (TE) materials enables the alteration of the crystal lattice by creating an atomic scale disorder, which can facilitate a synergistic modulation of the electrical and phonon transport leading to the enhancement in their TE properties. This work employs a compositional non-stoichiometry strategy for manipulation...
Article
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The structure of nanoparticles has been difficult to determine accurately because the traditional structure methods rely on large monocrystals. Here, we discuss the structure of nanoparticles based on real-space modeling of the pair distribution function obtained by a Fourier transformation of the high-energy X-ray scattering structure factor. In p...
Article
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A pre-catalyst, consisting of RuO 2 nanoparticles and clusters anchored on TpBD-Me 2 COF, was synthesized. During catalytic formic acid dehydrogenation, RuO 2 undergoes in-situ reduction to metallic Ru, forming an active and...
Article
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The semi-hydrogenation of acetylene (C2H2 + H2 = C2H4, ΔH = −172 kJ mol−1) is a well-studied reaction that is important for purification of ethylene, C2H4, feed used in polyethylene production. Pd-based catalysts are most commonly used to remove acetylene from ethylene feed prior to Ziegler–Natta polymerization because acetylene is a poison for Zie...
Article
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Semihydrogenation of acetylene (SHA) in ethylene-rich stream is an important process for the polymer industries. Presently, Pd-based catalysts have demonstrated good acetylene conversion (XC2H2); however, at the expense of ethylene selectivity (SC2H4). In this study, we have employed a systematic approach using density functional theory (DFT) to id...
Conference Paper
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In this publication, we present the result of an artistic residency that occurred at the International Iberian Nanotechnology Laboratory (INL), within the framework of STARTS European Commission initiative (Science, Technology, and Arts). 'Sci-fi miners' is an audio-visual and virtual reality work related to a new generation of nano-clusters replac...
Article
Half-Heuslers (HH) represent an emerging family of thermoelectric (TE) materials, wherein intrinsic doping enables a wide range of electronic functionalities. In recent years, the solid-state transformation phenomenonon of spinodal decomposition has been actively explored as an effective paradigm to attain bulk nanostructured TE materials via induc...