Patents & Publications & Awards

Selected Patent

• “เซลล์แสงอาทิตย์เพอรอฟสไกต์ชนิดอนินทรีย์ เลขที่คำขอ  2203002768, ยื่นคำขอวันที่ 7 ต.ค. 2565
• “สารละลายเพอรอฟสไกท์ชนิดอินทรีย์-อนินทรีย์และกรรมวิธีการผลิต” เลขที่คำขอ 1801007334 , ยื่นคำขอวันที่ 28 พ.ย. 2561
• “A spray-nebulous chemical deposition system for thin film preparation”, N. Rujisamphan, T. Supasai and V. Engkasorrarat, June 2017, Thai petty patent no. 12729.

Selected Publications

• Soe, K.T.; Thansamai, S.; Thongprong, N.;  Ruengsrisang, W.; Muhammad, I.A.; Ketsombun, E.; Supruangnet, R.; Kaewprajak, A.; Kumnorkaew, P.; Saetang, V.;  Supasai, T. and Rujisamphan, N. “Simultaneous Surface Modification and Defect Passivation on Tin Oxide–Perovskite Interfaces using Pseudohalide Salt of Sodium Tetrafluoroborate”, Solar RRL, 2022, 2200964.
• Smerchit, T; Thongprong, N; Ruengsrisang, W; Muhammad, I; Soe, K. T; Thansamai, S; Chanlek, N; Nakajima, H;  Supruangnet, R; Saetang, V; Kaewprajak, A; Supasai, T; Rujisamphan, N. “Combined Experimental and Simulation Studies of Lithium and Cobalt-Modified TiO₂ and Their Impacts on the Performance and Stability of Perovskite Solar Cells“, Adv. Mater. Interfaces 2022, 2201632.
• Supasai, T.; Soe, K.S.; Smerchit, T.; Azad, F.; Thongprong, N.; Kayunkid, N.; Tang, I. M.; Kumnorkaew, P.; Kaewprajak, A.; Tangwarodomnukun, V.; Li, Y.;  Chanyawadee, S.; Yuan, J. and Rujisamphan, N. “Unveiling the Influence of the Spectral Irradiance of Indoor Light-Emitting Diodes on the Photovoltaics of a Methylammonium Lead Iodide-Based Device“, Advanced Energy and Sustainability Research, 2022, 3, 2100143.
• Rosungnern, U.; Kumnorkaew, P.; Kayunkid, N.; Chanlek, N,; Li, Y.; Tang, I-M,; Thongprong, N.;  Rujisamphan, N.; and Supasai, T., “Impact of a Spun-Cast MoO_x Layer on the Enhanced Moisture Stability and Performance-Limiting Behaviors of Perovskite Solar Cells“, ACS Applied Energy Materials, 2021, 4, 3169−3181.
• N. Thongprong,  T. Supasai, Y. Li, I-M. Tang, and N. Rujisamphan “Insights into Recombination Processes from Light Intensity-Dependent Open-Circuit Voltages and ldeality Factors in Planar Perovskite Solar Cells” Energy Technology, (2020) 1901196/1-1901196/9.
• K. Pinsuwan, C. Boonthum , T. Supasai , S. Sahasithiwat, P. Kumnorkaew, P. Kanjanaboos “Solar perovskite thin films with enhanced mechanical, thermal, UV, and moisture stability via vacuum-assisted deposition”.  Journal of Materials Science, 55 (2020) 3484–3494.
• N. Henjongchom, N. Rujisamphan, T. S. Nti, P. Kumnorkaew, I-M. Tang, V. Amornkitbumrung, T. Supasai “Ultrasonically sprayed-on perovskite solar cells-effects of organic cation on defect formation of CH3NH3PbI3 films”.  Current Applied Physics, 19 (2019) 1427-1435.
• N. Rujisamphan, H. Cramer, R. Murray, I-M. Tang, T. Sutthibutpong, V. Amornkitbamrung, S. I. Shah, T. Supasai “Revealing the diffusion of aluminum in organic solar cells”. Japanese Journal of Applied Physics, 58 (2019) 050904/1-050904/4.
  
• P. Limpamanoch, N. Rujisamphan, P. Kumnorkaew, V. Amornkitbamrung, I-M. Tang, Q. Zhang, T. Supasai, “Understanding effects of cesium in CH(NH₂)₂PbI₃ for stabilizing CH(NH₂)₂PbI₃/CsPbI₃ interface under UV illumination”. Journal of Physical Chemistry C, 123 (2019) 12117-12125.
• A. Naikaew, P. Kumnorkaew, T. Supasai, S. Suwanna, R. Hunkao, T. Srikhirin, P. Kanjanaboos, “Enhancing high humidity stability of quasi-2D perovskite thin films through mixed cation doping and solvent engineering“. ChemNanoMat. 2019,  DOI: 10.1002/ cnma.201900189.
• T. S. Ntia, T. Supasai, I-M. Tang, V. Amornkitbumrung, J. Yuan, Y. Li, T. Dittrich, N. Rujisamphan, N. “An analytical approach to CH₃NH₃PbI₃ perovskite solar cells based on different hole transport materials“. Physica Status Solidi A, (2019) 1900087, DOI: 10.1002/pssa.201900087.
•  J. Ponchai, P. Kaewurai, C. Boonthum, K. Pinsuwan, T. Supasai, S.  Sahasithiwat, P. Kanjanaboos, “Modifying morphology and defects of low-dimensional, semi-transparentperovskite thin films via solvent type”, RSC Advances, 9 (2019) 12047-12054.
•  X. Yu, L. Wu, H. Hu, M. Chen, Y.Tan, D. Yang, Q. Pan, Q. Zhang, T. Supasai, Q. Zhang, “Cs₄PbX₆ (X = Cl, Br, I) Nanocrystals: Preparation, water-triggered transformation behavior, and anti-counterfeiting application”, Langmuir, 34(35) (2018) 10363-10370.
•  N. Henjongchom, N. Rujisamphan, I-M. Tang, and T. Supasai, “Surface photovoltage spectroscopy study of ultrasonically sprayed-aerosol CH₃NH₃PbI₃ perovskite crystals”, Physica Status Solidi A (2018) 1800133, DOI: 10.1002/pssa.201800133.
  

•  T.Supasai,  V. Amornkitbamrung, C. Thanachayanontd, I-M. Tang, T. Sutthibutpong, N. Rujisamphan, “Visualizing nanoscale phase  morphology for understanding photovoltaic performance of PTB7: PC71BM solar cell”, Applied Surface Science, 422 (2017) 505-517.
• T. Supasai, N. Henjongchom, I-M. Tang, F. Deng, N. Rujisamphan, “Compact nanostructured TiO₂ deposited by aerosol spray pyrolysis for the hole-blocking layer in a CH₃NH₃PbI₃ perovskite solar cell”, Solar Energy, 136 (2016) 515-524.
• N. Rujisamphan, R. E. Murray, F. Deng, T. Supasai, “Co-sputtered metal and polymer nanocomposite films and their electrical responses for gas sensing application”, Applied Surface Science, 368 (2016) 114-121.
• N. Rujisamphan, T. Supasai, Th. Dittrich, “Photoinduced charge dissociation and transport at P3HT/ITO interfaces: studied by modulated surface spectroscopy”, Applied Physics A, 122:2 (2016) 1-6.
• T. Supasai, N. Rujisamphan, K. Ullrich, A. Chemseddine, Th. Dittrich, “Formation of a passivating CH₃NH₃PbI₃/PbI₂ interface during moderate heating of CH₃NH₃PbI₃ layers”, Applied Physics Letters, 103 (2013) 183906.
• T. Supasai, S. Dangtip, P. Learngarunsri, N. Boonyopakorn, A. Wisitsoraat, S.K. Hodak, “Influence of Temperature Annealing on Optical Properties of SrTiO₃/BaTiO₃ Multilayered Films on Indium Tin Oxide,” Applied Surface Science 256 (2010) 4462-4467.
• S. K. Hodak, T. Supasai, A. Wisitsoraat, H. Jose Hodak, “Design of Low Cost Gas Sensor Based on SrTiO₃ and BaTiO₃ Films”, Journal of Nanoscience and Nanotechnology 10 (2010) 7236-7238.
• S. K. Hodak, T. Supasai, B. Paosawatyanyong, K. Kamlangkla and V. Pavarajarn, “Enhancement of the Hydrophobicity of Silk by SF₆ Plasma”, Applied Surface Science, 254 (2008) 4744-4749.
• B. Paosawatyanyong, T. Supasai, V. Pavarajarn, and S. K. Hodak, “Hydrophobicity Improvement of PET Fabrics after SF₆ Plasma Treatment, International Polymer Processing, Invited Paper, 23 (2008) 135-139.
• T. Supasai, S.K. Hodak and B. Paosawatyanyong, “Effect of SF₆ Plasma Treatment on Hydrophobicity Improvement of Fabrics”, J. Fiz. Mal. 28 (2007) 1-6.

Other Published Papers

• N. Rujisamphan, R. E. Murray, S. Ismat Shah, T. Supasai, “Effects of rf Power on Chemical and Physical Structure of Polytetrafluoroethylene Thin Films”, ChiangMai J. Sci. 44 (2017) 640-648.
• T. Supasai, S. K. Hodak and B. Paosawatyanyong, “Fabric and fiber modification using radio frequency plasma process, National symposium on Physics Graduate Research, 2006, Conference Paper.

Awards

• Outstanding publication award 2017 from the Faculty of Science, Kasetsart University
• 2^nd Best oral presentation award in Physical Science Symposium : The Science Forum 2008, Chulalongkorn University