Asst. Prof. Kamol Wasapinyokul, Ph.D. / ผศ.ดร. กมล วสะภิญโญกุล

Office:  Room 405, 55-Year Chalermprakiat Building
Phone: 02-329-8264 # 2183
Email: kamol.wa@kmitl.ac.th

Educations

Ph.D. (Engineering), University of Cambridge, UK
M.Sc. (Optics & Photonics) (With distinction), Imperial College London, UK
B.Eng., Chulalongkorn University, Thailand

Research Interests
Optoelectronics, organic semiconductor-based device fabrication and characterisation, alternative semiconductor material-based device fabrication and characterisation, wet-processed thin film fabrication and characterisation, photometry

Publications

  • Kamol Wasapinyokul, Tanakrit Panjasamanwong, Worathat Ponkasemsuk, Chakrit Sriprachuabwong, Tanom Lomas, Mathematical model for thickness of off-center spin-coated polymer films, Journal of Applied Polymer Science, 137(6), 48356, 2020. doi: 10.1002/app.48356.

  • Kamol Wasapinyokul, Santhad Chuwongin, Ajchara Charoensook, “Effects of baffle reflection and shadow in an integrating sphere on the total luminous flux measurement of a linearly-shaped lamp”, Acta Imeko, 6(4), 105 – 112, 2017. doi: 10.21014/acta_imeko.v6i4.443.

  • Kamol Wasapinyokul, W. I. Milne, D. P. Chu, “Origin of the threshold voltage shift of organic thin film transistors under light illumination”, Journal of Applied Physics, 109(8), 084510-1 – 084510-5, 2011. doi: 10.1063/1.3575334.

  • Xuhua Wang, Kamol Wasapinyokul, Wei D. Tan, Ruth Rawcliffe, Alasdair J. Campbell, Donal D. C. Bradley, “Device physics of highly sensitive thin film polyfluorene copolymer organic phototransistors”, Journal of Applied Physics, 107(2), 024509-1 – 024509-10, 2010. doi: 10.1063/1.3273332.

  • Kamol Wasapinyokul, W. I. Milne, D. P. Chu, “Photoresponse and saturation behaviour of organic thin film transistors”, Journal of Applied Physics, 105(2), 024509-1 – 024509-8, 2009. doi: 10.1063/1.3068359.

Conferences

  • Peemases Sukjit, Chatchai Jaieau, Kamol Wasapinyokul, “Optical Transmittances of Spin-Coated Polymer Films with Different Spin Step Protocols” (Poster presentation), 2019 16th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON), 10-13 July 2019, Pattaya, Thailand, IEEE, 2019, 203-206, 2019, doi: 10.1109/ECTI-CON47248.2019.8955131
  • Ronakrit Phatcharawutikul ; Kitbordee Tangtrakul ; Kamol Wasapinyokul, “A Study of Optical Properties of Thin Film Polymer Spin-Coated with Different Dispensing Methods”, (Poster presentation), 2019 16th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON), 10-13 July 2019, Pattaya, Thailand, IEEE, 2019, 199 – 202, 2019, doi: 10.1109/ECTI-CON47248.2019.8955131.
  • Jitrin Jumpar-ngern ; Khanisorn Sompong ; Kamol Wasapinyokul, “Effects of Quenching Process on the Optical Properties of Thin Film Polymers”, (Poster presentation), 2019 16th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON), 10-13 July 2019, Pattaya, Thailand, IEEE, 2019, 191 – 194, 2019, doi: 10.1109/ECTI-CON47248.2019.8955281.
  • Asanee Jaipean, Phasit Suriyakiat, Kamol Wasapinyokul, ‘Transmittance of baked spin-coated poly(methyl methacrylate) films” (Poster presentation), International Conference on Science and Technology of Emerging Materials (STEMa 2018), 18-20 July 2018, Pattaya, Thailand, AIP Conference Proceedings, 2010, 02001-1 – 02001-5, 2018. doi: 10.1063/1.5053177.
  • Worathat Ponkasemsuk, Tanakrit Panjasamanwong, Thitiwat Nudee, Kamol Wasapinyokul, “Effects of spin-coating recipe on the transmittance of spin-coated TiO2 films” (Poster presentation), International Conference on Science and Technology of Emerging Materials (STEMa 2018), 18-20 July 2018, Pattaya, Thailand, AIP Conference Proceedings,  2010, 02002-1 – 02002-5, 2018. doi: 10.1063/1.5053178.
  • Kamol Wasapinyokul, Supranee Kaewpirom, Santhad Chuwongin, Siridech Boonsang, “Highly-transparent multi-layered spin-coated silk fibroin film” (Oral presentation), Applied Optics and Photonics China (AOPC 2017), 4-6 June 2017, Beijing, China, Proceedings of SPIE, 10460, 104600S-1 – 104600S-6, 2017. doi: 10.1117/12.2284186.
  • Chutinat Chunarom, Tanapat Yontrarak, Puttinan Wipopcharoenkul, Kamol Wasapinyokul, “Modification of optical properties of spin-coated TiO2 film by heat treatments” (Poster presentation), Applied Optics and Photonics China (AOPC 2017), 4-6 June 2017, Beijing, China, Proceedings of SPIE, 10460, 1046016-1 – 1046016-6, 2017. doi: 10.1117/12.2284659.
  • K. Wasapinyokul, S. Chuwongin, S. Chanyawadee, R. Leecharoen, A. Charoensook, “Effects of baffle in an integrating sphere on the total luminous flux measurement of a linear-shape lamp” (Oral presentation), The XXI IMEKO World Congress, 30 August – 4 September 2015, Prague, Czech Republic.
  • K. Wasapinyokul, R. Leecharoen, S. Chanyawadee, R, Chuenchom, P. Jamparuang, C. Charoenkit, K. Chumpol, N. Damduang, S. Choowongin, A. Krachangmol, “Effects of integrating sphere conditions on the sphere uniformity” (Oral presentation), The International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN 2013), 9-11 April 2013, Singapore, Proceedings of SPIE, 8769, 87690L-1 – 87690L-7, 2013. doi: 10.1117/12.2021043.
  • K. Wasapinyokul, R. Leecharoen, S. Chanyawadee, R, Chuenchom, P. Jamparuang, K. Chumpol, C. Charoenkij, A. Krachangmol, “Effects of integrating sphere conditions on the spatial response distribution function in the total luminous flux measurement” (Oral presentation), The XX IMEKO World Congress, 9-14 September 2012, Busan, Republic of Korea.
  • K. Wasapinyokul, W. I. Milne, D. P. Chu, “Organic pyroelectric thin film Transistors” (Oral presentation), The 7th International Thin Film Transistor Conference (ITC 2011), 3-4 March 2011, Cambridge, UK.
  • K. Wasapinyokul, W. I. Milne, D. P. Chu, “Origin of the threshold voltage shift in organic thin film transistors under light illumination” (Poster presentation), The 7th International Thin Film Transistor Conference (ITC 2011), 3-4 March 2011, Cambridge, UK.
  • K. Wasapinyokul, W. I. Milne, D. P. Chu, “Evaluation of photo-responses in organic phototransistors over a period of 18 months” (Poster presentation), The International Conference on Organic Electronics (ICOE 2010), 23-25 June 2010, Paris, France.
  • K. Wasapinyokul, W. I. Milne, D. P. Chu, “Modelling the photo-response saturation behaviour of organic thin film transistors” (Oral presentation), The 2nd International Workshop on Compact Thin-Film Transistor (TFT) Modeling for Circuit Simulation, 25 September 2009, London, UK.
  • K. Wasapinyokul, W. I. Milne, D. P. Chu,Organic pyroelectric thin film Transistors” (Oral presentation), The International Conference on Organic Electronics (ICOE 2009). 15-17 June 2009, Liverpool, UK.
  • K. Wasapinyokul, W. I. Milne, D. P. Chu, “Photoresponse and saturation behaviour of organic thin film transistors” (Oral presentation), Kyoto-Cambridge Joint Seminar for Young Scientists; Challenging Conventional Concepts of Electrical Materials and Devices, 3 March 2009, Cambridge, UK.
  • K. Wasapinyokul, D. P. Chu, W. I. Milne, “Photoresponse of inkjet-fabricatedair-stable organic TFTs” (Oral presentation), International Symposium for Organic Electronics (ISFE), 6-9 April 2008, Tarragona, Spain.
  • X. Wang, K. Wasapinyokul, W. D. Tan, R. Rawcliffe, A. J. Campbell, D. D. Bradley, “Highly sensitive thin film polymer phototransistors” (Oral presentation), SPIE Optics and Photonics, Organic Field-Effect Transistors VI, 26 August 2007, San Diego, CA, USA, Proceedings of SPIE, 6658, 66581C-1-66581C-10, 2007, doi: 10.1117/12.735527.

Activities

  • 2019 ECTI Workshop on EEC, 2 August 2019, Ayutthaya, Thailand

  • 2019 Research group photo, 8 May 2019

  • International Conference on Science and Technology of Emerging Materials (STEMa 2018), 18-20 July 2018, Pattaya, Thailand