Ricardo Oliveira Freire | Chemistry and Materials Science | Best Researcher Award

Prof. Dr. Ricardo Oliveira Freire | Chemistry and Materials Science | Best Researcher Award

Federal University of Sergipe | Brazil

Dr. Ricardo Oliveira Freire (🎓 b. 29 May 1977, Aracaju, Brazil) is a distinguished Brazilian chemist renowned for his pioneering work in theoretical and computational chemistry, particularly involving lanthanide complexes. A Level 1C Researcher of Productivity at CNPq, Dr. Freire is currently an Associate Professor at the Federal University of Sergipe (UFS). With over two decades of dedication to research and teaching, he has led numerous innovative projects, developed the renowned LUMPAC software package, and significantly advanced the Sparkle model. His scientific influence spans Brazil and beyond through prolific publications, international collaborations, and impactful mentorship.

Author Profile👤

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Strengths for the Awards✨

Dr. Ricardo Oliveira Freire stands out as a highly accomplished researcher in the field of theoretical and computational chemistry, particularly in lanthanide luminescence and semiempirical quantum methods. With a prestigious CNPq Level 1C Productivity Fellowship, he reflects national recognition for sustained excellence. Dr. Freire has authored over 123 peer-reviewed publications, accumulating over 5,800 citations and achieving a Google Scholar h-index of 39, indicating both productivity and influence. His projects like LUMPAC and Sparkle/RM1 models have made significant contributions to computational chemistry and spectroscopy, especially for lanthanide complexes with biomedical and photonic applications.

He has mentored numerous students at undergraduate, Master’s, Ph.D., and postdoctoral levels, showcasing a robust commitment to research training. His involvement with more than 40 scientific journals as a reviewer and editorial board member, including JACS, Inorganic Chemistry, and J. Phys. Chem., reflects his thought leadership and service to the scientific community. Furthermore, his work has been acknowledged with multiple national and international awards, including listings in AD Scientific Index Top 10,000 Latin American Scientists, a cover feature in Dalton Transactions, and honors for impactful conference presentations and guidance.

🎓 Education

Dr. Freire earned his Bachelor’s degree in Chemistry from the Federal University of Sergipe in 2002, where he explored the theoretical design of highly luminescent lanthanide complexes. He pursued both his M.Sc. (2002–2004) and Ph.D. (2004–2007) at the Federal University of Pernambuco under Prof. Alfredo Mayall Simas, focusing on the development and enhancement of the Sparkle model for lanthanides. His academic trajectory laid a robust foundation for high-level research in physical and theoretical chemistry.

👨‍🏫 Experience

Since 2007, Dr. Freire has been actively involved in teaching and research at UFS, where he has held various academic and administrative roles including Head of the Chemistry Department and Coordinator of the Graduate Program in Chemistry. He also collaborates with the Federal University of Pernambuco and has taught post-graduate courses at leading institutions like UNICAMP and USP. A sought-after reviewer for over 40 top-tier journals, he exemplifies excellence in both pedagogy and peer contribution.

🔍 Research Interests On Chemistry and Materials Science

Dr. Freire’s research delves into semiempirical methods and computational modeling of lanthanide complexes, with notable contributions to the RM1 and Sparkle methods. He leads the LUMPAC (Luminescence Package) project, enabling accurate predictions of photophysical properties. His interdisciplinary work spans materials science, bioinorganic chemistry, and quantum mechanics, collaborating globally with teams from the US, India, Russia, Portugal, and more.

🏆 Awards

Dr. Freire has received numerous accolades including the Latin America Top 10,000 Scientist (2021, 2023), BRICS Top 10,000 Scientist (2021), and recognitions from prestigious institutions like the Royal Society of Chemistry and the Brazilian Chemical Society. He was honored with cover features in journals, mentoring awards, and commendations from academic and government bodies, solidifying his reputation as a leading scientific voice in Latin America.

📄 Publications

  • RM1: A reparameterization of AM1 for H, C, N, O, P, S, F, Cl, Br, and I
    Authors: GB Rocha, RO Freire, AM Simas, JJP Stewart
    Year: 2006
    Cited by: 936

  • Cytotoxicity and slow release of the anti-cancer drug doxorubicin from ZIF-8
    Authors: IB Vasconcelos, TG da Silva, GCG MilitĂŁo, TA Soares, NM Rodrigues, …
    Year: 2012
    Cited by: 330

  • LUMPAC lanthanide luminescence software: Efficient and user friendly
    Authors: JDL Dutra, TD Bispo, RO Freire
    Year: 2014
    Cited by: 277

  • Sparkle model for the calculation of lanthanide complexes: AM1 parameters for Eu(III), Gd(III), and Tb(III)
    Authors: RO Freire, GB Rocha, AM Simas
    Year: 2005
    Cited by: 195

  • Spectroscopic Study of a UV‐Photostable Organic–Inorganic Hybrids Incorporating an Eu³⁺ β‐Diketonate Complex
    Authors: PP Lima, RA SĂĄ Ferreira, RO Freire, FA Almeida Paz, L Fu, S Alves Jr, …
    Year: 2006
    Cited by: 151

  • 3-phenyl-4-benzoyl-5-isoxazolonate Complex of Eu³⁺ with Tri-n-octylphosphine Oxide as a Promising Light-conversion Molecular Device
    Authors: R Pavithran, NS Saleesh Kumar, S Biju, MLP Reddy, SA Junior, RO Freire
    Year: 2006
    Cited by: 133

  • Sparkle/PM7 Lanthanide Parameters for the Modeling of Complexes and Materials
    Authors: JDL Dutra, MAM Filho, GB Rocha, RO Freire, AM Simas, JJP Stewart
    Year: 2013
    Cited by: 130

  • Sparkle/PM6 Parameters for all Lanthanide Trications from La(III) to Lu(III)
    Authors: RO Freire, AM Simas
    Year: 2010
    Cited by: 124

  • Tb³⁺ → Eu³⁺ Energy Transfer in Mixed-Lanthanide-Organic Frameworks
    Authors: MO Rodrigues, JDL Dutra, LAO Nunes, GF de SĂĄ, WM de Azevedo, …
    Year: 2012
    Cited by: 123

  • Energy transfer mechanisms in organic-inorganic hybrids incorporating europium (III): a quantitative assessment by light emission spectroscopy
    Authors: PP Lima, SS Nobre, RO Freire, SA Junior, RA SĂĄ Ferreira, U Pischel, …
    Year: 2007
    Cited by: 101

  • Sparkle model for AM1 calculation of lanthanide complexes: Improved parameters for europium
    Authors: GB Rocha, RO Freire, NB da Costa Jr, GF de SĂĄ, AM Simas
    Year: 2004
    Cited by: 100

  • Tuning of the excitation wavelength from UV to visible region in Eu³⁺-β-diketonate complexes: Comparison of theoretical and experimental photophysical properties
    Authors: V Divya, RO Freire, MLP Reddy
    Year: 2011
    Cited by: 97

✅ Conclusion

With an illustrious career marked by innovative research, international impact, and unwavering academic leadership, Dr. Ricardo Oliveira Freire exemplifies the qualities of a “Best Researcher Award” recipient. His dedication to advancing theoretical chemistry, mentoring future scientists, and fostering global collaboration positions him as a pillar in the scientific community. This nomination not only honors his achievements but inspires continued excellence in chemical sciences.

Thi Dinh Ta | Materials Engineering | Best Researcher Award

Dr. Thi Dinh Ta | Materials Engineering | Best Researcher Award

University of Wollongong | Australia

Dr. Thi Dinh Ta is a Part-time Lecturer and Research Scientist specializing in Tribology, Lubrication Engineering, and Computational Mechanics at the University of Wollongong (UOW), Australia. With over 12 years of combined industry and academic experience, he has made significant contributions to advanced lubricant development, sustainable manufacturing, and nanotechnology applications in mechanical systems. His interdisciplinary research bridges molecular dynamics simulations, experimental tribology, and industrial problem-solving, earning recognition through ARC grants, international collaborations, and high-impact publications.

Professional profile👤

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Strengths for the Awards✨

  1. Outstanding Research Contributions

    • High-Impact Publications: 30+ peer-reviewed papers in Q1/Q2 journals (e.g., Tribology International, ACS Applied Materials & Interfaces), with 500+ citations and an h-index of ~12.

    • Interdisciplinary Innovation: Pioneering work in nanolubrication, tribochemistry, and sustainable manufacturing, bridging molecular dynamics (MD) simulations with industrial applications (e.g., ARC-funded projects on eco-friendly lubricants).

    • Key Findings: Demonstrated the role of iron oxides in tribofilm formation (2022) and designed adaptive lubricants for hot rolling (2020), directly impacting energy-efficient manufacturing.

  2. Leadership in Competitive Grants

    • Secured $760K+ in research funding as CI/PI, including:

      • ARC Discovery Project DP240102945 ($631K, 2024–2026) on green lubricants.

      • NSFC Grant (RMB 580K, 2021–2023) as Principal Investigator.

    • Collaborated globally (Denmark, China) via CAS President’s Fellowship (2021).

  3. Academic & Industrial Impact

    • Teaching & Mentorship: Lectured advanced courses (Finite Element Methods, CFD) and supervised 4 PhD completions.

    • Industry Relevance: Developed solutions for Zn-air batteries (DTU) and offshore gas platforms (PetroVietnam).

  4. Recognition & Outreach

    • Invited talks at Leeds-Lyon Symposium and World Tribology Congress.

    • Awards: 1st Class Honors (2011), PhD Scholarship (2012).

Education 🎓📖

  • PhD in Mechanical Engineering (2012–2017)

    • University of Wollongong (UOW), Australia

    • Thesis: “Tribological Behavior of Thin-Film Lubricants in Metal Forming Processes”

  • Bachelor of Science (Honors) in Aeronautical Engineering (2006–2011)

    • Ho Chi Minh City University of Technology, Vietnam

    • Graduated with 1st Class Honors

Professional Experience 💼🔧

Academic & Research Roles

  • Part-time Lecturer (2024–Present)

    • University of Wollongong (UOW), Australia

    • Courses: Mechanics of Solids (ENGG251), Manufacturing Engineering Principles (MECH382)

  • Research Fellow (2022–2024)

    • Technical University of Denmark (DTU), Copenhagen

    • Focus: Electrolyte design for Zn-air batteries, sustainable energy materials

  • Associate Research Fellow (2016–2022)

    • University of Wollongong (UOW), Australia

    • Key Projects: ARC Discovery & Linkage grants on adaptive lubricants, pipeline coatings

Industry Experience

  • Technical Engineer (2011–2012)

    • PetroVietnam Technical Services (PTSC M&C)

    • Role: Mechanical design for offshore gas platforms (Su Tu Trang Field Project)

Research Interests On Materials Engineering 🔍

  1. Advanced Lubrication Science

    • Nano-tribology, boundary lubrication, high-temperature tribofilms.

  2. Computational Tribochemistry

    • Ab initio and molecular dynamics (MD) simulations of lubricant-surface interactions.

  3. Sustainable Manufacturing

    • Eco-friendly lubricants for cold/hot rolling (e.g., ARC DP240102945).

  4. Energy Materials

    • Electrolytes for batteries (Zn-air), corrosion-resistant coatings.

Awards & Honors 🏆🎖️

  • CAS President’s International Fellowship (2021, China)

  • PhD Scholarship (2012–2016, UOW)

  • 1st Rank in Aeronautical Engineering (2011, Vietnam)

Publications 📚

  • Evolution of microstructure, temperature and stress in a high speed steel work roll during hot rolling: Experiment and modelling
    Authors: GY Deng, Q Zhu, K Tieu, HT Zhu, M Reid, AA Saleh, LH Su, TD Ta, …
    Year: 2017
    Citations: 78

  • Adsorption of Normal-Alkanes on Fe(110), FeO(110), and Fe2O3(0001): Influence of Iron Oxide Surfaces
    Authors: TD Ta, AK Tieu, H Zhu, B Kosasih
    Year: 2015
    Citations: 66

  • A study of abrasive wear on high speed steel surface in hot rolling by Discrete Element Method
    Authors: HT Phan, AK Tieu, H Zhu, B Kosasih, Q Zhu, A Grima, TD Ta
    Year: 2017
    Citations: 60

  • Theoretical and experimental investigation of thermal and oxidation behaviours of a high speed steel work roll during hot rolling
    Authors: GY Deng, HT Zhu, AK Tieu, LH Su, M Reid, L Zhang, PT Wei, X Zhao, …
    Year: 2017
    Citations: 49

  • Tribological behavior of aqueous copolymer lubricant in mixed lubrication regime
    Authors: TD Ta, AK Tieu, H Zhu, Q Zhu, PB Kosasih, J Zhang, G Deng
    Year: 2016
    Citations: 46

  • Chemical origin of sodium phosphate interactions on iron and iron oxide surfaces by first principle calculations
    Authors: HTT Ta, AK Tieu, H Zhu, H Yu, TD Ta, S Wan, NV Tran, HM Le
    Year: 2018
    Citations: 41

  • GPS-based wireless ad hoc network for marine monitoring, search and rescue (MSnR)
    Authors: TD Ta, TD Tran, DD Do, HV Nguyen, YV Vu, NX Tran
    Year: 2011
    Citations: 29

  • First-principles study of the adsorption and depolymerization mechanisms of sodium silicate on iron surfaces at high temperature
    Authors: NV Tran, AK Tieu, H Zhu, HTT Ta, TD Ta, HM Le
    Year: 2018
    Citations: 26

  • Effect of adding soft Bi2O3 on structural modification and tribological regulation of Ni-5 wt% Al composite coating in wide temperatures range
    Authors: H Sun, G Yi, S Wan, P Shi, J Yang, ST Pham, AK Tieu, TD Ta
    Year: 2021
    Citations: 25

  • Computational tribochemistry: A review from classical and quantum mechanics studies
    Authors: HTT Ta, NV Tran, AK Tieu, H Zhu, H Yu, TD Ta
    Year: 2021
    Citations: 24

Conclusion 🌟

Dr. Thi Dinh Ta is a versatile researcher and educator whose work spans fundamental tribology, industrial applications, and sustainable technology development. His expertise in computational modeling, lubricant design, and energy materials positions him as a key contributor to next-generation manufacturing solutions. With a strong record of grants, publications, and mentorship, he continues to drive innovation in mechanical engineering.

Zhixiong Cai | Materials | Best Researcher Award

Assoc. Prof. Dr. Zhixiong Cai | Materials | Best Researcher Award

Minnan Normal University | China

Zhixiong Cai is an Associate Professor and Master’s Supervisor at the College of Chemistry, Chemical Engineering, and Environmental Science at Minnan Normal University, located in Zhangzhou, Fujian Province, China. With expertise in luminescent materials and electrocatalysis, he has gained a reputation for his impactful research and academic contributions. His work primarily focuses on advancing materials science, particularly in the context of energy conversion and storage.

Professional profile👤

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Strengths for the Awards✨

  • Solid Educational Background: He holds a Ph.D. in Chemistry from Xiamen University and has participated in a joint training program, which suggests a deep academic foundation.

  • Research Expertise: His research interests in luminescent materials and electrocatalysis are highly relevant and cutting-edge in chemistry and environmental science.

  • International Exposure: Zhixiong Cai was a visiting scholar at the University of California, Riverside (UCR), providing him with global exposure and collaborative opportunities.

  • Impressive Publication Record: He has published several high-impact papers, including in prestigious journals like Angewandte Chemie and Nano Energy, demonstrating his contribution to significant advancements in his field.

  • Awards and Recognition: Receiving the Youth May Fourth Medal and other competition honors reflects his excellence and recognition from academic and professional communities.

Education:

Dr. Cai earned his Ph.D. in Chemistry from Xiamen University in June 2018, having completed his Master’s in Chemistry through a joint program between Fuzhou University and Xiamen University in 2014. He also holds a Bachelor’s degree in Chemistry from Fuzhou University. During his career, he spent time as a Visiting Scholar at the University of California, Riverside in 2017, further expanding his research horizons and collaborations internationally.

Experience:

Dr. Cai’s academic career began in September 2018 as a Lecturer at Minnan Normal University. By July 2019, he was promoted to Associate Professor at the same institution. His research interests have led him to participate in various national and international projects, contributing to the development of advanced chemical materials and applications.

Research Interests On Materials

Dr. Cai’s research primarily focuses on luminescent materials and electrocatalysis. His work aims to enhance energy conversion efficiencies and develop sustainable materials for a variety of applications, including renewable energy technologies. He is particularly interested in the development of high-performance catalysts and materials for environmental and energy-related solutions.

Publications:

  • Porous cobalt oxide nanoplates enriched with oxygen vacancies for oxygen evolution reaction

    • Authors: W Xu, F Lyu, Y Bai, A Gao, J Feng, Z Cai, Y Yin

    • Year: 2018

    • Cited by: 504

  • Advances in enzyme-free electrochemical sensors for hydrogen peroxide, glucose, and uric acid

    • Authors: X Chen, G Wu, Z Cai, M Oyama, X Chen

    • Year: 2014

    • Cited by: 414

  • AuPd bimetallic nanoparticles decorated on graphene nanosheets: their green synthesis, growth mechanism and high catalytic ability in 4-nitrophenol reduction

    • Authors: X Chen, Z Cai, X Chen, M Oyama

    • Year: 2014

    • Cited by: 207

  • An ultrasensitive and reversible fluorescence sensor of humidity using perovskite CH₃NH₃PbBr₃

    • Authors: W Xu, F Li, Z Cai, Y Wang, F Luo, X Chen

    • Year: 2016

    • Cited by: 174

  • Green synthesis of graphene–PtPd alloy nanoparticles with high electrocatalytic performance for ethanol oxidation

    • Authors: X Chen, Z Cai, X Chen, M Oyama

    • Year: 2014

    • Cited by: 151

  • Ultrafine palladium nanoparticles grown on graphene nanosheets for enhanced electrochemical sensing of hydrogen peroxide

    • Authors: X Chen, Z Cai, Z Huang, M Oyama, Y Jiang, X Chen

    • Year: 2013

    • Cited by: 130

  • A sensitive bisphenol A voltammetric sensor relying on AuPd nanoparticles/graphene composites modified glassy carbon electrode

    • Authors: B Su, H Shao, N Li, X Chen, Z Cai, X Chen

    • Year: 2017

    • Cited by: 120

  • PtPd nanodendrites supported on graphene nanosheets: a peroxidase-like catalyst for colorimetric detection of H₂O₂

    • Authors: X Chen, B Su, Z Cai, X Chen, M Oyama

    • Year: 2014

    • Cited by: 108

  • Electrodeposition‐Assisted Synthesis of Ni₂P Nanosheets on 3D Graphene/Ni Foam Electrode and Its Performance for Electrocatalytic Hydrogen Production

    • Authors: Z Cai, X Song, Y Wang, X Chen

    • Year: 2015

    • Cited by: 88

  • Synthesis of bimetallic PtPd nanocubes on graphene with N, N-dimethylformamide and their direct use for methanol electrocatalytic oxidation

    • Authors: X Chen, Z Cai, X Chen, M Oyama

    • Year: 2014

    • Cited by: 85

Conclusion:

Dr. Zhixiong Cai is an accomplished researcher and educator, with a deep commitment to advancing the fields of luminescent materials and electrocatalysis. His academic achievements, robust publication record, and numerous accolades underscore his dedication to driving forward scientific discovery and innovation. As an active member of the academic community, his work continues to have a significant impact on material sciences and energy applications.