Shiqing Cheng | Energy | Best Researcher Award

Dr. Shiqing Cheng | Energy | Best Researcher Award

Shanxi Datong University | China

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Early Academic Pursuits 🎓

Dr. Shiqing Cheng's academic journey began at Yuncheng University, where she earned her Bachelor's degree in Physics (2002–2007). Her strong foundation in physics led her to pursue a Master's degree in Optics at Hunan Normal University (2007–2010). She continued her academic development by obtaining a Doctorate in Electronic Science and Technology from Nankai University (2016–2021), where she honed her research skills in advanced materials for solar energy applications.

Professional Endeavors 💼

Dr. Cheng's professional career is marked by both teaching and research. From 2010 to 2016, she worked as a lecturer at the Department of Physics and Electronics at Shanxi Datong University, where she taught Circuit Analysis and High-Frequency Electronic Circuits. In 2018, she expanded her expertise by joining the China National Energy Group's photovoltaic company in their R&D department, specializing in the preparation of CIGS (Copper Indium Gallium Selenide) absorbers and devices. Since 2022, she has returned to Shanxi Datong University, where she lectures on Optoelectronic Detection and Optical System Design, continuing her commitment to education and research.

Contributions and Research Focus 🔬

Dr. Cheng has made substantial contributions to the field of solar energy, particularly in the optimization of CIGS solar cells. Her research focuses on improving the performance of these thin-film solar cells by exploring the effects of alkali element doping, Cs distribution in the films, and post-deposition treatments. She is proficient in using SCAPS (Solar Cell Capacitance Simulator) software, which allows her to model and simulate solar cell performance. Her work is instrumental in understanding the factors that influence the electronic structure and transport properties of CIGS solar cells.

Accolades and Recognition 🏆

Dr. Cheng's research has been recognized for its innovation and impact. She has published several influential papers in high-impact journals, such as Solar Energy Materials and Solar Cells, ACS Applied Energy Materials, and Applied Surface Science. Her work on the effects of alkali doping and post-deposition treatments has been widely cited, contributing significantly to the advancement of CIGS solar cell technology. She is also actively involved in projects funded by the National Natural Science Foundation of China, further solidifying her standing as a leading researcher in the field.

Impact and Influence 🌍

Dr. Cheng's research has a profound impact on the development of high-efficiency solar cells, particularly in the optimization of CIGS thin films. Her work addresses critical challenges in the solar energy industry, including enhancing cell performance, improving stability, and reducing costs. By advancing the understanding of material properties and manufacturing techniques, her contributions are helping to pave the way for more efficient and sustainable solar technologies.

Legacy and Future Contributions 🔮

Looking ahead, Dr. Cheng’s work promises to continue shaping the future of solar energy research. Her ongoing projects focus on optimizing the interface quality of CIGS solar cells and exploring new material treatments to further boost efficiency. As the demand for renewable energy solutions grows, Dr. Cheng’s research will play a crucial role in advancing solar cell technology and contributing to global efforts to reduce carbon emissions and combat climate change.

 

Publications


📜Optimizing Wide Band Gap Cu(In,Ga)Se₂ Solar Cell Performance: Investigating the Impact of “Cliff” and “Spike” Heterostructures
Authors: Shiqing Cheng, Hongmei Liu, Qiaowen Lin
Journal: Materials
Year: 2024


📜High Efficiency Wide Gap Cu(In,Ga)Se₂ Solar Cells: Influence of Buffer Layer Characteristics
Author: Shiqing Cheng
Journal: Heliyon
Year: 2024


📜Revealing Surface Modifications of Caesium Indium Selenium Treated Cu-rich Cu(In,Ga)Se₂: Suppression of Interfacial Recombination
Authors: Shiqing Cheng, Kaizhi Zhang, Jingwei Chen, Shuping Lin, Yifeng Yao, Yun Sun, Wei Liu
Journal: Applied Surface Science
Year: 2023


📜Analysis of the Heavy Alkali Element Post-deposition Treatment: Factors Determining the Electronic Structure and Transport Properties of Heterojunction in CIGS Thin Film Solar Cells
Authors: Shiqing Cheng, Kaizhi Zhang, Shuping Lin, Yunxiang Zhang, Yun Sun, Wei Liu
Journal: ACS Applied Energy Materials
Year: 2021


📜Effects of Different Cs Distribution in the Film on the Performance of CIGS Thin Film Solar Cells
Authors: Shiqing Cheng, Kaizhi Zhang, Yunxiang Zhang, Zhichao He, Baolai Liang, Qian Du, Yun Sun, Wei Liu
Journal: Solar Energy Materials and Solar Cells
Year: 2021


 

Kaustab Ghosh | Materials Science | Best Researcher Award

Dr. Kaustab Ghosh | Materials Science | Best Researcher Award

Vellore Institute of Technology | India

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Early Academic Pursuits

Dr. Kaustab Ghosh began his academic journey at Barrackpore Rastragure Surendranath College, affiliated with the University of Calcutta, where he completed his B.Sc in Electronic Science (August 1999 - April 2002). He furthered his studies at the University of Calcutta, earning an M.Sc in Electronic Science (August 2002 - June 2004) and later a PhD in the Department of Electronic Science (August 2005 - April 2009). His PhD research focused on the ultra-purification process of gallium for optoelectronic applications, where he developed a novel gallium purification technology.

Professional Endeavors

Dr. Ghosh's professional career began as an Assistant Professor at the Vellore Institute of Technology (VIT) from May 2011 to August 2012. He then progressed to Associate Professor from September 2012 to May 2021, and has been serving as a Professor since June 2022. His tenure at VIT has been marked by significant research and academic contributions in the fields of nano-optoelectronic materials, devices, and sensors.

Dr. Ghosh has also served as a Post-Doctoral Research Fellow at the Centre for Excellence in Nanoelectronics, Indian Institute of Technology Bombay (April 2009 - April 2011), where he focused on experimental characterization and theoretical modeling of InAs/GaAs quantum dots.

Contributions and Research Focus

Dr. Ghosh has made substantial contributions to the field of nano-optoelectronics. His research interests and contributions include:

  • Graphene Nanoribbon and Carbon Nanotube Sensors: He has worked extensively on the electronic structure computation of graphene nanoribbon and carbon nanotube-based sensors using atomistic modeling by non-equilibrium Green’s function and density functional theory.
  • Nanoscale Sensors and Solar Cells: Developed software products for nanoscale sensors and heterojunction thin film solar cell technology using machine learning. He has also fabricated low-cost Cu2SnS3/ZnS heterojunction solar cells using ultrasonic spray pyrolysis.
  • Quantum Dots for Biomedical Imaging: Engaged in collaborative research for the synthesis and characterization of PbS and CdSe quantum dots for biomedical imaging.
  • Quantum Dot Infrared Photodetectors: Principal investigator for the fabrication and performance optimization of InAs/GaAs quantum dot infrared photodetectors.
  • Nanoscale MOSFETs: Co-PI for projects focusing on first principle calculations of silicon band structure for device modeling and performance analysis of silicon-based nanoscale MOSFETs.

Accolades and Recognition

Dr. Ghosh has been recognized for his innovative work in the field. His project on InAs/GaAs quantum dot infrared photodetectors received a grant of Rs. 2 million from the Department of Science and Technology, Government of India. Another project, co-PIed by him, received a Rs. 4.5 million grant from the Science and Engineering Research Board (SERB), Government of India. He has also served as a Visiting Researcher at CIMAP/ CNRS/CEA/ENSICAEN/Normandie Université, Caen, France.

Impact and Influence

Dr. Ghosh has supervised four PhD students, contributing to the growth of the next generation of researchers in nano-optoelectronics. He has delivered numerous industrial and invited talks, sharing his expertise on water quality purification using nanoscale sensor technology and emerging trends in nanoelectronics for industrial applications.

Legacy and Future Contributions

Dr. Ghosh's work has set a foundation for future advancements in nano-optoelectronics, particularly in the development of quantum dot-based devices and nanoscale sensors. His contributions to the field are documented in numerous high-impact publications and patents, including a patent on graphene nanoribbon field effect transistors. As he continues his research and mentoring at VIT, Dr. Ghosh is poised to make further significant contributions to the advancement of nano-optoelectronics and its applications in various fields.

 

Notable Publications

A machine learning based electronic property predictor of Cu2SnS3 thin film synthesized by ultrasonic spray pyrolysis 2024

Performance analysis of carbon nanotube and graphene nanoribbon based biochemical sensors in atomic scale 2024

Advancement and Challenges of Biosensing Using Field Effect Transistors 2022 (18)

Probing the bandstructure dependent figures of merit in InAs/GaAs quantum dot photodetectors 2022 (1)

Optimization and fabrication of low cost Cu2SnS3/ZnS thin film heterojunction solar cell using ultrasonic spray pyrolysis 2022 (13)