Ms. Lixin Peng | Optical Temperature Sensing | Young Scientist Award

Xihua University | China

Ms. Lixin Peng is a lecturer at the School of Science, Xihua University, with a research specialization in optical thermometry and luminescent rare-earth-doped materials. Her academic journey reflects a deep commitment to advancing fundamental and applied physics. She has made significant contributions to understanding luminescence mechanisms, including pioneering work on temperature-driven quantum frameworks and fluorescence intensity ratio thermometry strategies. Her innovative studies extend Einstein’s classical radiation theory by introducing the role of temperature, offering novel insights into quantum transitions and non-radiative decay processes. Dr. Peng’s research achievements include developing prototype high-precision optical thermometers with applications in scientific computation, solid-state physics, and advanced sensing technologies. With numerous publications in journals such as Optics Letters, Journal of Luminescence, and Ceramics International, she is building an international academic reputation. She actively contributes to collaborative projects, demonstrating her ability to bridge theoretical physics with practical innovations in material design and advanced sensing applications.

Profesional Profile

ORCID

Education

Ms. Lixin Peng’s educational background showcases her progressive specialization in physics and materials research. She earned her Bachelor’s degree in Physics from Harbin Normal University, where she first developed her interest in luminescent materials. Building on this foundation, she pursued her Master’s degree in Physics at Harbin Normal University, advised by Professor Qingyu Meng. During this stage, she focused on material synthesis and optical temperature sensing, winning multiple academic honors including scholarships and thesis awards. Her doctoral studies at the School of Physics, Harbin Institute of Technology, under the mentorship of Professor Zhiguo Zhang, marked a turning point in her academic career. There, she developed advanced thermometry strategies, including visible-light-based fluorescence methods and upconversion luminescence approaches. Her doctoral research not only filled theoretical gaps in quantum optics but also introduced innovative experimental techniques. She joined Xihua University as a lecturer in physics, furthering her research and teaching contributions.

Experience

Ms. Lixin Peng’s professional experience blends teaching, advanced research, and scientific leadership. After completing her doctoral studies at Harbin Institute of Technology, she began her academic career as a Lecturer in the Department of Physics at Xihua University. In this role, she has been actively involved in both teaching and high-level research, contributing to the university’s Key Laboratory of High-Performance Scientific Computation. Her experience also includes extensive project work during her master’s and doctoral years, where she was responsible for material synthesis, optical characterization, and device development in fluorescence sensing. She played a crucial role in funded projects such as the Heilongjiang Natural Science Foundation and institutional research programs on fluorescence detection devices and FIR optical thermometry materials. These experiences enabled her to refine her skills in spectroscopy, optical instrumentation, and theoretical modeling, positioning her as a promising researcher in material optics and advanced sensing technologies.

Awards and Honors

Throughout her academic career, Ms. Lixin Peng has earned a series of prestigious awards recognizing her excellence in research and scholarship. She was named a Provincial Outstanding Ph.D. Graduate, highlighting her innovative doctoral work at Harbin Institute of Technology. The same year, she was awarded the highly competitive National Scholarship for Ph.D. Students, underscoring her position among China’s most promising young researchers. Her earlier academic path also reflects consistent excellence: she received the Excellent Graduate Award and the Excellent Master’s Thesis Award at Harbin Normal University, where she also won Outstanding Graduate Student honors. Her academic performance was further acknowledged with multiple scholarships, including the National Scholarship for Master’s Students and Second-Class Academic Scholarships. These awards not only reflect her commitment to academic excellence but also underscore the national recognition of her contributions to physics, material chemistry, and advanced optical thermometry research.

Research Focus

Ms. Lixin Peng’s research focus lies in the luminescence mechanisms of rare-earth-doped materials and their application in high-precision optical thermometry. Her work is characterized by bridging theoretical physics with practical sensing applications. A key contribution of her research is the extension of Einstein’s radiation theory to include temperature effects, thereby creating a new framework for understanding temperature-driven quantum transitions. She has also innovated in the field of fluorescence intensity ratio (FIR) thermometry, proposing dual-wavelength excitation strategies that resolve the trade-off between sensitivity and signal-to-noise ratio. Additionally, her pioneering approaches to upconversion luminescence-based FIR thermometry have expanded the available emission channels and stabilized temperature readings against excitation fluctuations. Beyond infrared methods, she has advanced visible-light-based thermometry techniques, improving both sensitivity and detector applicability. Collectively, her research provides a strong theoretical and experimental foundation for next-generation high-precision optical thermometers, with potential applications in advanced sensing, solid-state physics, and laser technologies.

Publication top Notes

Determination of singlet oxygen quantum yield based on the behavior of solvent dimethyl sulfoxide oxidation by singlet oxygen
Year: 2024 | Citation: 1

Temperature-dependent law of transition probability associated with main emission states in YVO₄:Re³⁺ (Re³⁺ = Sm³⁺, Dy³⁺ and Eu³⁺)
Year: 2024 | Citation: 8

A multi-mode self-referenced optical thermometer based on low-doped YVO₄: Eu³⁺ phosphor
Year: 2023 | Citation: 14

A high-precision thermometry strategy by replacing the infrared with visible light for detection
Year: 2023 | Citation: 8

Ratiometric optical thermometry based on upconversion luminescence with different multi-photon processes in CaWO₄:Tm³⁺/Yb³⁺ phosphor
Year: 2022 | Citation: 15

Conclusion

Overall, Ms. Lixin Peng possesses a strong foundation in scientific research, backed by notable publications, prestigious awards, and innovative theoretical contributions. Her expertise in luminescence mechanisms and optical thermometry has significant implications for next-generation sensing technologies. While she could further enhance her profile through leadership roles in collaborative projects, industry translation, and international engagement, her achievements already position her as a highly promising young scientist. She is well-suited for the Research for Young Scientist Award, and recognition at this stage would both acknowledge her outstanding contributions and encourage her continued growth as a future leader in materials science and optical physics.