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PONGTHEP PRAJONGTAT

Pongthep_1 email: fscipop@ku.ac.th
Education: B.Sc. (Chemistry, 1st Class), Kasetsart University, Thailand                                                                                        M.Sc. (Physical Chemistry), Kasetsart University, Thailand                                                                                    Ph.D. (Physical Chemistry), Kasetsart University, Thailand                                                                                   Postdoc at Helmholtz Center Berlin (HZB), Germany
Research interests: 1) Solar energy materials and solar cells
2) Nanomaterials, semiconductors, and thin films
About my research…

Sunlight has attracted a great deal of interest as sustainable energy exhibiting the potential to be an alternative to coal and fossil fuels for alleviating the world energy crisis. When focusing on industrial tasks, solar cells which are electronic devices having an ability to convert sunlight directly into electricity should accommodate both high efficiency and cost-effectiveness. Therefore, I have paid much attention to the use of simple solution processes to fabricate various types of solar cells, e.g. organic (polymer), hybrid organic-inorganic (perovskite), and dye-sensitized solar cells. In addition, modification of morphology and transport properties of solar materials using, for example, electrospinning and inkjet printing techniques has been performed.

About me…

Asst. Prof. Dr. Pongthep Prajongtat is a physical chemist and material scientist, who is very keen on synthesizing and characterizing nanomaterials for solar cell applications. He has been working in the field of photovoltaics for more than 10 years. When he did a postdoc with Dr. Thomas Dittrich at Helmholtz Center Berlin, he started to focus on organic-inorganic hybrid halide perovskites as light absorbers in solar cells. At that time, he learnt about a surface photovoltage (SPV) technique, which is very useful to examine electronic structures and defect states in semiconductors. Presently, he has set up his own laboratory for synthesizing and characterizing advanced materials for optoelectronic applications at the Department of Materials Science, Kasetsart University. He is very active in this field and could publish 15 papers in high-quality journals within first 3 years of working.

 Selected publications

1. Prajongtat, P.; Sriprachuabwong, C.; Wongkanya, R.; Dechtrirat, D.; Sudchanham, J.; Srisamran, N.; Sangthong, W.; Chuysinuan, P.; Tuantranont, A.; Hannongbua, S.; Chattham, N. Moisture-resistant electrospun polymer membranes for efficient and stable fully printable perovskite solar cells prepared in humid air, ACS Appl. Mater. Interfaces, 2019, 11, 27677-27685.

2. Tan, Q.; Hinrichs, K.; Huang, M. D.; Fengler, S.; Rappich, J.; Prajongtat, P.; Nickel, N.; Dittrich, Th. Temperature dependent diffusion of DMSO in CH3NH3PbI3 precursor films during layer formation and impact on solar cells, ACS Appl. Energy Mater., 2019, 2, 5116-5123. 

3. Prajongtat, P.; Saparpakorn, P.; Asamo, S.; Hongsprabhas, P.; Israkarn, K. Alkali-treated starches as a new class of templates for CaCO3 spherulite formation: experimental and theoretical studies, J. Cryst. Growth, 2019, 522, 45-52. 

4. Prajongtat, P.; Hannongbua, S. A combined theoretical and experimental study of CH3NH3PbI3 containing AVAI films prepared via an intramolecular exchange process, J. Phys. Chem. C, 2018, 122, 19705-19711.

5. Prajongtat, P.; Dittrich, Th.; Hinrichs, K.; Rappich, J. Thickness of AVA+ controls the direction of charge transfer at TiO/ PbI2 interfaces, J. Phys. Chem. C, 2018, 122, 5020-5025.

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