略歴
2008-2012年	BSc, University of Peradeniya (Sri Lanka)
2013-2015年	MSc in Analytical Chemistry, Postgraduate Institute of Science (Sri Lanka)
2017年-2020年	Ph.D. in Organic Electronics and Photonics, Faculty of Engineering, Kyushu University, Japan
2020年-2021年	Postdoctoral Researcher, Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, Japan
2021年-2022年	Device Engineer, Kyushu Organic Laser Technology (KOALA Tech Inc.), Fukuoka, Japan
From 2023年	Postdoctoral Researcher, Department of Applied Chemistry, Faculty of Engineering, Kyushu University, Japan
研究分野
Organic Laser, Organic Optoelectronics, Organic Photophysics
趣味
Paragliding, Swimming, Mountain Hiking, Abseiling

特許

[1]Atula S. D. Sandanayaka, Buddhika S. B. Karunathilaka, Umamahesh Balijapalli, Chathuranganie A. M. Senevirathne, Toshinori Matsushima, and Chihaya Adachi. Laser element, compound, method for producing compound and lasing sensitizer, Japan patent application number; PCT/JP2020/036305, 25th September 2020. United states patent application number; 20220294190, 15th September 2022.

[2]Atula S. D. Sandanayaka, Chathuranganie A. M. Senevirathne, Buddhika S. B. Karunathilaka, Toshinori Matsushima, and Chihaya Adachi. Laser element; 2D-DFB, Japan patent application number; PCT/JP2021/006969, 25th February 2021.

原著論文

[1]Buddhika S. B. Karunathilaka, Umamahesh Balijapalli, Chathuranganie A. M. Senevirathne, Yu Esaki, Kenichi Goushi, Toshinori Matsushima, Atula S. D. Sandanayaka and Chihaya Adachi. An organic laser dye having a small singlet-triplet energy gap makes the selection of a host material easier. Advanced Functional Materials, 30, 30, pp. 2001078. June 2020, DOI: 10.1002/adfm.202001078. (Cover, DOI: 10.1002/adfm.202070204)

[2]Buddhika S. B. Karunathilaka, Umamahesh Balijapalli, Chathuranganie A. M. Senevirathne, Seiya Yoshida, Yu Esaki, Kenichi Goushi, Toshinori Matsushima, Atula S. D. Sandanayaka and Chihaya Adachi. Suppression of external quantum efficiency rolloff in organic light-emitting diodes by scavenging triplet excitons, Nature Communications, 11, 4926, October 2020, DOI: 10.1038/s41467-020-18292-0

[3]Chathuranganie A. M. Senevirathne, Atula S. D. Sandanayaka, Buddhika S. B. Karunathilaka, Takashi Fujihara, Fatima Bencheikh, Chuanjiang Qin, Kenichi Goushi, Toshinori Matsushima, Chihaya Adachi, Markedly Improved Performance of Optically Pumped Organic Lasers with Two-Dimensional Distributed-Feedback Gratings, ACS Photonics, 8, 5, pp. 1324-1334, March 2021, DOI: 10.1021/acsphotonics.0c01728

[4]Umamahesh Balijapalli, Yi-Ting Lee, Buddhika S. B. Karunathilaka, Ganbaatar Tumen-Ulzii, Morgan Auffray, Youichi Tsuchiya, Hajime Nakanotani, Chihaya Adachi, Tetrabenzo [a,c] phenazine Backbone for Highly Efficient Orange-Red Thermally Activated Delayed Fluorescence with Completely Horizontal Molecular Orientation, Angewandte Chemie International Edition, 60, 35, pp. 19364-19373, August, 2021, DOI : 10.1002/anie.202106570

[5]Yoshiaki Shoji, Yasuhiro Ikabata, Ivan Ryzhii, Rabia Ayub, Ouissam El Bakouri, Taiga Sato, Qi Wang, Tomoaki Miura, Buddhika S. B. Karunathilaka, Youichi Tsuchiya, Chihaya Adachi, Henrik Ottosson, Hiromi Nakai, Tadaaki Ikoma, Takanori Fukushima, An Element-Substituted Cyclobutadiene Exhibiting High-Energy Blue Phosphorescence, Angewandte Chemie International Edition, 60, 40, pp. 21817-21823, September 2021, DOI: 10.1002/anie.202106490 (Inside cover, DOI: 10.1002/anie.202108413)

[6]Chathuranganie A. M. Senevirathne, Seiya Yoshida, Morgan Auffray, Masayuki Yahiro, Buddhika S. B. Karunathilaka, Fatima Bencheikh, Kenichi Goushi, Atula S. D. Sandanayaka, Toshinori Matsushima, Chihaya Adachi, Recycling of Triplets into Singlets for High‐Performance Organic Lasers, Advanced Optical Materials, 10, 1, pp. 2101302, October 2021, DOI: 10.1002/adom.202101302

[7]Xun Tang, Umamahesh Balijapalli, Daichi Okada, Buddhika S. B. Karunathilaka, Chathuranganie A. M. Senevirathne, Yi-Ting Lee, Zhao Feng, Atula S. D. Sandanayaka, Toshinori Matsushima, Chihaya Adachi, Electron-Affinity Substituent in 2,6-Dicarbonitrile Diphenyl-1λ5-Phosphinine Towards High-Quality Organic Lasing and Electroluminescence under High Current Injection, Advanced Functional Materials, 31, 43, pp. 2104529, October 2021, DOI: 10.1002/adfm.202104529

[8]Umamahesh Balijapalli, Xun Tang, Daichi Okada, Yi‐Ting Lee, Buddhika S. B. Karunathilaka, Morgan Auffray, Ganbaatar Tumen-Ulzii, Youichi Tsuchiya, Atula S. D. Sandanayaka, Toshinori Matsushima, Hajime Nakanotani, Chihaya Adachi, 2, 6-Dicarbonitrile Diphenyl-1λ5-Phosphinine (DCNP)—A Robust Conjugated Building Block for Multi-Functional Dyes Exhibiting Tunable Amplified Spontaneous Emission, Advanced Optical Materials, 9, 21, pp. 2101122, November 2021, DOI: 10.1002/adom.202101122

[9]Buddhika S. B. Karunathilaka, Umamahesh Balijapalli, Toshinori Matsushima, Atula S. D. Sandanayaka, Chihaya Adachi, Advanced Organic Laser System Having Triplet Scavengers, Journal of the Imaging Society of Japan, 60, 6, pp. 615-630, December 2021, DOI: 10.11370/isj.60.615