Program Results
Assistant Professor Chieh-Ting Lin Achievements in 2022
Introduction to the event
In the second year of this project, we were committed to fabricating wide-bandgap perovskite solar cells and successfully achieved an open-circuit voltage exceeding 1.2V. By utilizing two organic cations, FA (Formamidinium) and MA (Methylammonium), we successfully elevated the open-circuit voltage of the perovskite solar cells beyond 1.2V. This is a significant milestone as a higher open-circuit voltage suggests that the cell will be more capable of overcoming the overpotential for hydrogen production in tandem solar cell structures. Although using FA and MA organic cations can increase the open-circuit voltage, it also led to phase segregation issues, thereby affecting the cell's efficiency. We managed to solve the phase segregation problem and noticeably improved the cell's performance through the optimization of pure CS (inorganic cation) perovskite with high Br ratio. After continual optimization and enhancement, our inorganic cation wide-bandgap perovskite solar cell's efficiency has broken through 10%. We are currently aiming to break through 15% efficiency, intending to integrate with high hydrogen production efficiency perovskite-organic photoelectrochemical reaction systems in the future. Currently, our laboratory is guiding 12 master's students and 3 bachelor students, and has given 5 specialized lectures at various academic institutions. This year, we took 3 master's students to the UK to participate in the international symposium HOPV to present our research, and visited renowned institutions such as the University of Cambridge, Imperial College London, and Queen Mary University of London for visits, enhancing the students' global perspectives.
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Fig 1.2 Assistant Professor Chieh-Ting Lin and his students attended the HOPV conference in the United Kingdom and presented their research findings
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Fig 3. Assistant Professor Chieh-Ting Lin took students to visit the photocatalytic hydrogen production laboratory in the Department of Chemical Engineering at Imperial College London.
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Fig 4. Assistant Professor Chieh-Ting Lin gave an invited talk at the Photochemistry Research Symposium at Imperial College London
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