Tolesa Fita Chala | Engineering | Best Researcher Award

Dr.Tolesa Fita Chala | Machining | Best Researcher Award

Dr.Tolesa Fita Chala ,Mattu University, Mattu , Ethiopia, Ethiopia

Dr. Tolesa Fita Chala is a distinguished academic at Mattu University in Mattu, Ethiopia. Known for his expertise and contributions to his field, Dr. Chala plays a vital role in advancing research and education at the university. His dedication to academic excellence and community service has made him a respected figure in Ethiopia’s educational landscape.

Summary:

Dr. Tolesa Fita Chala is renowned for his work in [specific field or discipline, e.g., environmental science, material engineering, biomedical research, etc.]. His research primarily focuses on [specific areas within the field, e.g., climate change mitigation, nanomaterials for medical applications

 

Professional Profiles:

Orcid

Education :

Tolesa Fita Chala completed his Ph.D. at the National Taiwan University of Science and Technology, specializing in Materials Science and Engineering. His studies spanned from February 2016 to January 2019 in Taipei, Taiwan.He earned his MSc. in Inorganic Chemistry from Addis Ababa University, completing his degree between 2010 and December 2011 in Addis Ababa, Ethiopia.Tolesa Fita Chala obtained his Bachelor’s degree in Chemistry from Dire Dawa University, where he studied from 2007 to 2009 in Dire Dawa, Ethiopia.

Experience:

Dr. Tolesa Fita Chala currently serves as the Director of the School of Graduate Studies (SGS) and an Assistant Professor in the Department of Chemistry at Mattu University, Ethiopia. In this role, he oversees the graduate programs, ensuring academic excellence and fostering an environment conducive to advanced research and learning. His responsibilities also include mentoring graduate students, developing curriculum, and enhancing the quality of education within the department. Dr. Chala is actively involved in various committees at the university, college, and department levels, contributing significantly to institutional development. He also engages in diverse research projects and community service activities, demonstrating his commitment to both academic and societal advancement.Prior to his current position, Dr. Chala served as the Coordinator of the School of Graduate Studies at Mattu University. During his tenure, he played a crucial role in managing the graduate programs, facilitating effective communication between students and faculty, and ensuring the smooth operation of the SGS. His leadership and organizational skills were instrumental in the successful execution of numerous academic initiatives and research activities. Dr. Chala’s active participation in various university committees and his involvement in research and community services underscored his dedication to enhancing the academic environment and contributing to the broader community.

Skills:

Advanced Scientific Knowledge: Expertise in Advanced Inorganic Chemistry, Advanced Physical Chemistry, Advanced Analytical Chemistry, Advanced Organic Chemistry, Biochemistry, Quantum Chemistry, Computational Chemistry, and Analytical Methods of Inorganic Chemistry.,Communication and Teaching: Proficient in English writing and communication skills, with confidence in public speaking and leading.,Technical Skills: Skilled in operating and interpreting data from advanced instruments such as XRD, XPS, Raman Spectroscopy, CV, NMR, HPLC, UV-Visible spectroscopy, IR, TGA, SEM, TEM, and AAS.,Software Proficiency: Extensive knowledge of standard office software, Photoshop, ChemDraw, SPSS, and Gaussian software.,Organizational Skills: Efficient, organized, reliable, fast learner, highly motivated, and capable of meeting important targets in high-pressure environments.,Adaptability: Flexible and adaptive to different situations, cultures, and environments.,Teaching Enhancement: Focused on integrating lecture demonstrations and multimedia efficiently without increasing the workload of students and enhancing training programs for better learning outcomes.

Awards :

Dr. Tolesa Fita Chala has been recognized for his contributions to research and academia, as evidenced by his numerous publications in prestigious journals and his active participation in international conferences. Specific awards and recognitions have not been listed but can be inferred from his extensive research output and professional roles.

Research Focus:

Dr. Chala’s research primarily focuses on the synthesis and characterization of innovative materials, particularly in the field of nanotechnology. He collaborates with researchers across various disciplines to develop new materials with enhanced properties for applications in photothermal conversion, photocatalysis, and antimicrobial activity. His work aims to discover and optimize materials for environmental and biomedical applications, among others.

Conclusion:

Dr. Tolesa Fita Chalaā€™s extensive and impactful research makes him an exemplary candidate for the Best Researcher Award. His innovative contributions to [specific field] have not only advanced scientific knowledge but have also paved the way for practical applications that benefit society. His dedication to mentoring the next generation of researchers and his commitment to collaborative work further highlight his suitability for this prestigious recognition. Dr. Chalaā€™s outstanding achievements and his continued drive for excellence underscore his status as a leading figure in his field, making him a deserving recipient of the Best Researcher Award.

Publications :

  • Synthesis and Purification of Silver Nanowires:
    • Molla Bahiru Gebeyehu, Tolesa Fita Chala, Shao-Yen Chang, Chang-Mou Wu, Jiunn-Yih Lee. “Synthesis and highly effective purification of silver nanowires to enhance transmittance at low sheet resistance with simple polyol and scalable selective precipitation method.” RSC Advances, 2017. DOI: 10.1039/C7RA00238F.

 

  • Photothermal Conversion Properties:
    • Tolesa Fita Chala, Chang-Mou Wu, Min-Hui Chou, Molla Bahiru Gebeyehu, Kuo-Bing Cheng. “Highly efficient near infrared photothermal conversion properties of reduced tungsten oxide/polyurethane nanocomposites.” Nanomaterials, 2017. DOI: 10.3390/nano7070191.

 

  • Photothermal Material for Water Evaporation:
    • Tolesa Fita Chala, Chang Mou Wu, Min-Hui Chou, Zhen-Lin Guo. “Melt Electrospun Reduced Tungsten Oxide/Polylactic Acid Fiber Membranes as a Photothermal Material for Light-Driven Interfacial Water Evaporation.” ACS Applied Materials & Interfaces, 2018. DOI: 10.1021/acsami.8b07434.

 

  • Pyroelectric Generator for Energy Harvesting:
    • Chang Mou Wu, Min-Hui Chou, Tolesa Fita Chala, Ri-Ichi Murakami. “Infrared-driven Poly(vinylidene difluoride)/tungsten oxide pyroelectric generator for non-contact energy harvesting.” Composites Science and Technology, 2019. DOI: 10.1016/j.comsciitech.2019.05.004.

 

  • Photocatalysis with Nanocomposites:
    • Tolesa Fita Chala, Chang-Mou Wu, Kebena Gebeyehu Motora. “RbxWO3/Ag3VO4 Nanocomposites as Efficient Full-Spectrum (UV, Visible, and Near Infrared) Photocatalysis.” Journal of the Taiwan Institute of Chemical Engineers, 2019. DOI: 10.1016/j.jtie.2019.06.016.

 

  • Antibacterial and Deodorization Activity:
    • Kebena Gebeyehu Motora, Chang-Mou Wu, Ting-Zhen Xu, Tolesa Fita Chala, Chiu-Chun Lai. “Photocatalytic, antibacterial, and deodorization activity of recycled triacetate cellulose nanocomposites.” Materials Chemistry and Physics, 2020. DOI: 10.1016/j.matchemphys.2019.122260.

 

  • Photothermal Responsive Membranes:
    • Saba Naseem, Chang Mou Wu, Tolesa Fita Chala. “Photothermal responsive tungsten bronze/recycled cellulose triacetate porous f
    • iber membranes for efficient light-driven interfacial water evaporation.” Solar Energy, 2019. DOI: 10.1016/j.solener.2019.10.084.

 

  • Efficient Photocatalytic Activity:
    • Kebena Gebeyehu Motora, Chang-Mou Wu, Tolesa Fita Chala, Min-Hui Chou, Chung-Feng Jeffrey Kuo, Pankaj Koinkar. “Highly efficient photocatalytic activity of Ag3VO4/WO2.72 nanocomposites for the degradation of organic dyes from the ultraviolet to near-infrared regions.” Applied Surface Science, 2020. DOI: 10.1016/j.apsusc.2020.145618.

 

  • Green Synthesis and Antimicrobial Activity:
    • Yobsan Likasa Tiki, Leta Deressa Tolesa, Ardila Hayu Tiwikrama, Tolesa Fita Chala. “Ginger (Zingiber officinale)-Mediated Green Synthesis of Silver-Doped Tin Oxide Nanoparticles and Evaluation of Its Antimicrobial Activity.” ACS Omega, 2024. DOI: 10.1021/acsomega.3c07855.

 

  • Copper Oxide Nanoparticles:
    • Mekides Dinka Moroda, Leta Deressa Tolesa, Ardila Hayu Tiwikrama, Tolesa Fita Chala. “Green synthesis of copper oxide nanoparticles using Rosmarinus officinalis leaf extract and evaluation of its antimicrobial activity.”

 

 

 

Abdulrahman Alajlan |Heat transfer Award | Best Researcher Award

Dr.Abdulrahman Alajlan |Heat transfer Award | Best Researcher Award

Dr.Abdulrahman Alajlan,KACST, Saudi Arabia

Dr. Abdulrahman Alajlan is a prominent figure in the scientific community of Saudi Arabia. He is affiliated with King Abdulaziz City for Science and Technology (KACST), which is a leading scientific organization in the Kingdom. KACST plays a pivotal role in promoting and supporting scientific research and technological advancement in various fields.

Professional Profiles:

Scopus

Education:

  • Doctor of Philosophy: Physics, 12/2019
    • Texas A&M University – College Station
  • Master of Science: Physics, 08/2015
    • Texas A&M University – College Station
  • Bachelor of Science: Physics, 05/2010
  • Imam Muhammad Ibn Saud Islamic University – Riyadh

Skills :

  • Energy efficiency and sustainability
  • Radiative/Passive cooling
  • Software programming: COMSOL, MEEP, Lumerical, Mathematica
  • Solar thermal systems
  • Polymer coatings preparations
  • Transparent woods treatments
  • Teaching and training

Professional Experience:

  • Assistant Professor, 11/2020 to Current
    • KACST ā€“ Riyadh, Riyadh
    • KACST excellent research awards, 2023
    • KACST research institute awards, 2022
    • Established the first radiative cooling lab in the kingdom at KACST.
    • Building two rooftop setups for radiative cooling experiments.
  • Physics Researcher, 07/2010 to 11/2020
    • KACST ā€“ Riyadh, Riyadh
    • Developed detectors for high energy physics experiments in GSI labs, Germany.
    • Member of the overseeing committee for physics and mathematics national Olympiad.
    • Designed and fabricated nano optical fibers and cavities using clean room facility at TAMU.
    • Conducted numerical and theoretical calculations for light-matter interaction.

Publications:

    • Alajlan, A. M. et al. “Gap-mode enhancement on MoS2 probed by functionalized tip-enhanced Raman spectroscopy.” Applied Physics Letters 109 (2016).
    • Russotto, P., et al. “Results of the ASY-EOS experiment at GSI: The symmetry energy at suprasaturation density.” Physical Review C 94.3 (2016): 034608.
    • Fan, J. W. et al. “Germanium-Vacancy Color Center in Diamond as a Temperature Sensor” (vol 5, pg 765, 2018). Acs Photonics 5, 4710-4710 (2018).
    • Alajlan, A. et al. “Compact design of a gallium phosphide nanobeam cavity for coupling to diamond germanium-vacancy centers.” Opt Mater Express 9, 1678-1688 (2019).
    • Alajlan, Abdulrahman, et al. “Free-standing silicon nitride nanobeams with an efficient fiber-chip interface for cavity QED.” Optical Materials Express 10.12 (2020): 3192-3201.
    • Alajlan, Abdulrahman, et al. “All-Day Thermoelectric Power Generation Using Radiative Heat Exchange with Space and Water-Based Heat Storage.” Applied physics letters 121 (2022) (Featured article).
    • Alajlan, Abdulrahman, et al. ” Enhanced nighttime power generation and photovoltaic cooling in photovoltaic-thermoelectric hybrid systems.” (accepted in ECMX).
    • Dang, Saichao, et al. ā€œSky cooling through a nanoporous polyethylene cover for LED streetlightsā€ (submitted).