Tag: Chemistry Research Award

Tesfaye Abebe Geleta | Chemistry Department | Best Researcher Award

Published on by World Science Awards

Dr. Tesfaye Abebe Geleta | Chemistry Department | Best Researcher Award

Postdoctoral Research Fellow at National Taiwan University, Taiwan

Dr. Tesfaye Abebe Geleta is a Postdoctoral Research Fellow at National Taiwan University, specializing in photocatalysis and environmental remediation. His research focuses on the photocatalytic activity of perovskite/graphitic carbon nitride heterojunctions for degrading pollutants. With a strong background in computational simulations and density functional theory (DFT), Dr. Geleta also has extensive experience in materials characterization using various analytical techniques, including XRD, TEM, and SEM. His previous roles include Senior Application Engineer at MacDermid Alpha Electronics Solutions and Research Assistant at Chung Yuan Christian University. Dr. Geleta holds a Ph.D. in Solar Energy Harvesting from National Taiwan University of Science and Technology, an M.Sc. in Quantum Optics from Addis Ababa University, and a B.Sc. in Physics from Wollega University. His expertise extends to nanomaterials synthesis, renewable energy technologies, and advanced membrane technologies.

Professional Profiles:

Education

Dr. Tesfaye Abebe Geleta earned his Ph.D. in Applied Science & Technology from the National Taiwan University of Science & Technology in Taipei, Taiwan, where he focused on ZnO-Based Dye-Sensitized Solar Cells, particularly the effects of additives. Prior to this, he completed his M.Sc. in Quantum Optics at Addis Ababa University in Ethiopia, which provided him with a strong foundation in quantum physics. His academic journey began with a B.Sc. in Physics from Wollega University, also in Ethiopia. His extensive education equips him with expertise in photovoltaic materials, quantum optics, and advanced computational techniques, supporting his research and professional work in energy harvesting, photocatalysis, and membrane technology.

Professional Experience

Dr. Tesfaye Abebe Geleta is currently a Postdoctoral Research Fellow at National Taiwan University, where he focuses on the photocatalytic activity of perovskite/graphitic carbon nitride heterojunctions for environmental remediation. Before this, he worked as a Senior Application Engineer at MacDermid Alpha Electronics Solutions, specializing in surface modification of printed circuit boards (PCBs) and final finishing technologies. His earlier roles include a Research Assistant at the R&D Center for Membrane Technology at Chung Yuan Christian University, where he explored antifouling membranes, and a Lecturer in Quantum Physics at Bule Hora University in Ethiopia. He also has experience as a Physics Teacher at Hinde Secondary and Preparatory School. His diverse professional background spans academia, industry, and research, reflecting a strong focus on energy solutions, material science, and environmental technologies.

Research Interest

Dr. Tesfaye Abebe Geleta’s research interests encompass a range of advanced material sciences and energy technologies. His current work at National Taiwan University focuses on photocatalysis, specifically using perovskite/graphitic carbon nitride heterojunctions for environmental remediation. He employs density functional theory (DFT) and computational simulations to enhance photocatalytic efficiency. Additionally, he has a strong background in photovoltaic technologies, including dye-sensitized and perovskite solar cells, and membrane technology. His previous research includes quantum optics and the development of antifouling membranes. Dr. Geleta’s work integrates theoretical and practical approaches to address challenges in renewable energy and environmental sustainability.

 Award and Honors

Dr. Tesfaye Abebe Geleta has received several notable awards and honors throughout his career. In January 2023, he was recognized as a member of the Technical Program Committee for the 2nd International Conference on Smart Grid and Green Energy (ICSGGE 2023) in China. In October 2022, he was awarded a Certificate of Completion for his participation in clean ocean protection activities by MacDermid Alpha Electronics Solutions. Additionally, he received a Social Service Certificate in June 2021 from National Taiwan University for his contribution to the i-Village Digital Learning Companion Project. His achievements reflect his commitment to both his research and community service.

Research Skills

Dr. Tesfaye Abebe Geleta possesses a diverse set of research skills, including expertise in photocatalysis, computational simulations, and renewable energy technologies. He is proficient in density functional theory (DFT) and computational tools such as Quantum Espresso, CASTEP, and WIEN2k for electronic structure calculations. His technical skills encompass the characterization of materials using XRD, TEM, SEM, FTIR, and UV-Vis spectroscopy. Dr. Geleta has hands-on experience with membrane technology, including VIPS and NIPS methods, and is skilled in the synthesis and analysis of nanomaterials. Additionally, he is adept in liquid and gas chromatography, corrosion analysis, and surface roughness evaluation. His research also includes advanced knowledge in solar cell technologies, such as dye-sensitized and perovskite solar cells.

Publications

  1. Nanocomposite Photoanodes Consisting of p-NiO/n-ZnO Heterojunction and Carbon Quantum Dot Additive for Dye-Sensitized Solar Cells
    • Authors: T.A. Geleta, T. Imae
    • Year: 2021
    • Citations: 44
    • Journal: ACS Applied Nano Materials, 4 (1), 236-249
  2. Recent Advances on the Fabrication of Antifouling Phase-Inversion Membranes by Physical Blending Modification Method
    • Authors: T.A. Geleta, I.V. Maggay, Y. Chang, A. Venault
    • Year: 2023
    • Citations: 35
    • Journal: Membranes, 13 (1), 58
  3. Influence of Additives on Zinc Oxide-Based Dye-Sensitized Solar Cells
    • Authors: T.A. Geleta, T. Imae
    • Year: 2020
    • Citations: 23
    • Journal: Bulletin of the Chemical Society of Japan, 93 (4), 611-620
  4. Effect of Carbon Dots on Supercapacitor Performance of Carbon Nanohorn/Conducting Polymer Composites
    • Authors: C.C. Chang, T.A. Geleta, T. Imae
    • Year: 2021
    • Citations: 18
    • Journal: Bulletin of the Chemical Society of Japan, 94 (2), 454-462
  5. Using the Dimethyl Sulfoxide Green Solvent for the Making of Antifouling PEGylated Membranes by the Vapor-Induced Phase Separation Process
    • Authors: A. Venault, H.N. Aini, T.A. Galeta, Y. Chang
    • Year: 2022
    • Citations: 8
    • Journal: Journal of Membrane Science Letters, 2 (2), 100025
  6. Engineering Sterilization-Resistant and Fouling-Resistant Porous Membranes by the Vapor-Induced Phase Separation Process Using a Sulfobetaine Methacrylamide Amphiphilic Derivative
    • Authors: A. Venault, R.J. Zhou, T.A. Galeta, Y. Chang
    • Year: 2022
    • Citations: 8
    • Journal: Journal of Membrane Science, 658, 120760
  7. First-Principle Analysis of Optical and Thermoelectric Properties in Alkaline-Based Perovskite Compounds AInCl3 (A = K, Rb)
    • Authors: D. Behera, T.A. Geleta, I. Allaoui, M. Khuili, S.K. Mukherjee, B. Akila, S. Al-Qaisi
    • Year: 2024
    • Citations: 7
    • Journal: The European Physical Journal Plus, 139 (2), 127
  8. Studies on Optoelectronic and Transport Properties of XSnBr3 (X = Rb/Cs): A DFT Insight
    • Authors: D. Behera, B. Akila, S.K. Mukherjee, T.A. Geleta, A. Shaker, M.M. Salah
    • Year: 2023
    • Citations: 7
    • Journal: Crystals, 13 (10), 1437
  9. Exploring the Mechanical, Vibrational Optoelectronic, and Thermoelectric Properties of Novel Half-Heusler FeTaX (X = P, As): A First-Principles Study
    • Authors: T.A. Geleta, D. Behera, R. Sharma, M. Mana Al-Anazy, V. Srivastava, et al.
    • Year: 2024
    • Citations: 3
    • Journal: RSC Advances, 14 (6), 4165-4178
  10. A Copolymer Derivative of Poly(4-vinylpyridine propylsulfobetaine) for the Design of Thermostable Bioinert Poly(vinylidene difluoride) Microporous Membranes by Vapor-Induced Phase Separation
    • Authors: A. Venault, T.A. Geleta, T.Y. Chiu, H.T. Lin, I.V. Maggay, Y. Chang
    • Year: 2023
    • Citations: 2
    • Journal: Separation and Purification Technology, 325, 124686

Vladimir Yarovenko | Organic Synthesis | Best Researcher Award

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Mr. Vladimir Yarovenko | Organic Synthesis | Best Researcher Award

Chemist of Center of N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Russia.

Mr. Vladimir Yarovenko is a distinguished researcher specializing in organic chemistry and advanced materials science. With over 240 scientific papers and 30 inventions to his credit, Mr. Yarovenko has made significant contributions to the fields of photophysics, organic synthesis, and drug discovery. He is renowned for his work in designing functional materials with unique properties, particularly in the areas of photonics and solar energy applications. Mr. Yarovenko’s accomplishments include leading research initiatives that resulted in the development of innovative compounds for 3D optical memory and photovoltaic devices. He has been recognized with prestigious awards, including the USSR Council of Ministers Award, for his outstanding achievements in scientific research.

Professional Profiles:

Education

Mr. Vladimir Yarovenko’s academic journey is characterized by a strong foundation in chemistry and extensive scholarly achievements. He completed his undergraduate studies at the Moscow M.V. Lomonosov Institute of Fine Chemical Technology, where he received rigorous training in chemical principles and techniques. Subsequently, Prof. Krayushkin pursued postgraduate studies at the esteemed N.D. Zelinsky Institute of Organic Chemistry, culminating in the successful defense of his Candidate Degree (equivalent to Ph.D.) in 1970. Continuing his academic pursuits, Mr. Vladimir Yarovenko advanced his credentials by obtaining a Doctor Degree (equivalent to Dr. habil.) from the N.D. Zelinsky Institute in 1984. These educational milestones not only solidified his expertise in organic chemistry but also laid the groundwork for his prolific research career.

Professional Experience

Mr. Vladimir Yarovenko professional experience spans several decades of dedicated work in the field of organic chemistry and scientific research. He began his career as a Scientist at the N.D. Zelinsky Institute’s Laboratory of Organic Chemistry in 1970, where he conducted fundamental research and contributed to the synthesis of novel compounds. Over the years, Mr. Vladimir Yarovenko advanced to the position of Senior Researcher and subsequently assumed leadership as the Head of the Laboratory of Heterocyclic Compounds at the same institute in 1985. Throughout his tenure,Mr. Vladimir Yarovenko directed research initiatives focused on organic synthesis, heterocyclic compounds, medicinal chemistry, and advanced materials. His leadership and scientific expertise have been instrumental in mentoring young researchers and guiding groundbreaking projects in the field. Mr. Vladimir Yarovenko contributions are documented in numerous scientific papers and patents, reflecting his significant impact on the advancement of organic chemistry and related disciplines.

Research Interest

Mr. Vladimir Yarovenko research interests span a diverse range of topics within organic chemistry and interdisciplinary fields. He is particularly focused on advancing organic synthesis methodologies, with a specialized interest in heterocyclic compounds and their applications in medicinal chemistry. Mr. Vladimir Yarovenko work extends to the development of advanced materials, including polymers and nanoparticles, with applications in optoelectronics and catalysis. Additionally, he explores the photophysical properties of organic molecules, investigating light-induced processes for potential applications in photovoltaics and optical data storage. Mr. Vladimir Yarovenko is committed to green chemistry principles, developing environmentally sustainable synthetic approaches and utilizing renewable resources in chemical transformations.

Award and Honors

Mr. Vladimir Yarovenko research interests span a diverse range of topics within organic chemistry and interdisciplinary fields. He is particularly focused on advancing organic synthesis methodologies, with a specialized interest in heterocyclic compounds and their applications in medicinal chemistry. Mr. Vladimir Yarovenko work extends to the development of advanced materials, including polymers and nanoparticles, with applications in optoelectronics and catalysis. Additionally, he explores the photophysical properties of organic molecules, investigating light-induced processes for potential applications in photovoltaics and optical data storage. Mr. Vladimir Yarovenko is committed to green chemistry principles, developing environmentally sustainable synthetic approaches and utilizing renewable resources in chemical transformations.

Research Skills

Mr. Vladimir Yarovenko possesses a diverse and robust skill set in organic chemistry and interdisciplinary research, cultivated through extensive experience and scholarly contributions. He excels in organic synthesis, demonstrating proficiency in designing and executing complex synthetic routes to develop novel heterocyclic compounds and bioactive molecules. Mr. Vladimir Yarovenko expertise extends to medicinal chemistry, where he applies his skills to drug discovery and development, contributing to advancements in pharmaceutical science. Furthermore, he is adept in materials science, specializing in the synthesis and characterization of advanced materials like polymers and nanoparticles for applications in optoelectronics and catalysis. Mr. Vladimir Yarovenko understanding of photophysics and photochemistry enables him to explore light-induced processes, paving the way for innovations in photovoltaics and optical data storage. His commitment to green chemistry underscores his ability to develop sustainable synthetic methodologies and utilize renewable resources effectively.

Publications

  1. Publication Title: “Oxamic acid thiohydrazides and hydrazones based on them as convenient starting compounds for the synthesis of S- and N-containing heterocyclic products. A mini-review”
    • Authors: Krayushkin, M.M.; Yarovenko, V.N.
    • Journal: Arabian Journal of Chemistry, 2024, 17(6), 105796
    • Citations: 0
  2. Publication Title: “Reaction of gossypol with thiohydrazides of oxamic acids”
    • Authors: Stepanov, A.V.; Yarovenko, V.N.; Krayushkin, M.M.
    • Journal: Russian Chemical Bulletin, 2024, 73(2), pp. 437–441
    • Citations: 1
  3. Publication Title: “Synthesis of (2-chloroquinolin-3-yl)-1,3,4-thiadiazole-2-carboxamides”
    • Authors: Aksenov, A.N.; Krayushkin, M.M.; Yarovenko, V.N.
    • Journal: Russian Chemical Bulletin, 2021, 70(6), pp. 1131–1134
    • Citations: 4
  4. Publication Title: “Desulfurizing agent for thioamides”
    • Authors: Polushina, A.V.; Zavarzin, I.V.; Krayushkin, M.M.; Rodionova, G.M.; Yarovenko, V.N.
    • Journal: Russian Chemical Bulletin, 2021, 70(2), pp. 383–385
    • Citations: 1
  5. Publication Title: “Unusual transformations of 3-thiocarbamoylchromones”
    • Authors: Demin, D.Y.; Fakhrutdinov, A.N.; Ilyasov, I.R.; Krayushkin, M.M.; Yarovenko, V.N.
    • Journal: Tetrahedron Letters, 2020, 61(32), 152202
    • Citations: 0
  6. Publication Title: “Progress in the chemistry of nitrogen-, oxygen- And sulfur-containing heterocyclic systems”
    • Authors: Makhova, N.N.; Belen’kii, L.I.; Gazieva, G.A.; Shirinian, V.Z.; Yarovenko, V.N.
    • Journal: Russian Chemical Reviews, 2020, 89(1), pp. 55–124
    • Citations: 93
  7. Publication Title: “Synthesis of Polyfunctionalized Thiophenes and Pyrido[3,2-c]Coumarines from 3-Carbamoyl/3-Thiocarbamoyl Chromones”
    • Authors: Demin, D.Y.; Myannik, K.A.; Lyssenko, K.A.; Krayushkin, M.M.; Yarovenko, V.N.
    • Journal: ChemistrySelect, 2019, 4(20), pp. 6090–6093
    • Citations: 4
  8. Publication Title: “Synthesis of 3-(N-arylcarbamoyl)chromones from 2-hydroxyarylaminoenones and isocyanates”
    • Authors: Myannik, K.A.; Semenova, I.S.; Yarovenko, V.N.; Krayushkin, M.M.
    • Journal: Russian Chemical Bulletin, 2019, 68(1), pp. 104–109
    • Citations: 5
  9. Publication Title: “Synthesis of 2-aminochromone-3-carbaldehyde hydrazones from 3-thiocarbamoylchromones and hydrazines”
    • Authors: Demin, D.Y.; Rodionova, G.М.; Yarovenko, V.N.; Krayushkin, М.М.
    • Journal: Russian Chemical Bulletin, 2018, 67(11), pp. 2054–2057
    • Citations: 0
  10. Publication Title: “Synthesis of 3-(N-arylthiocarbamoyl)chromones from 2-hydroxyaryl amino enones and isothiocyanates”
    • Authors: Demin, D.Y.; Myannik, K.A.; Ermolich, P.A.; Krayushkin, M.M.; Yarovenko, V.N.
    • Journal: Mendeleev Communications, 2018, 28(5), pp. 485–486
    • Citations: 1