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Optoelectronics laboratory is developing green light emitting diodes and solar cells based on novel materials, and is exploring new electronic materials. We are also developing new fabrication process in nano-scale, and new semiconductor processes using synchrotron light.

TOPICS

2024.3.22-25 
A graduate student will make a presentation at 2024 JSAP Spring Meeting(Tokyo)   
2024.3.5 
D3 student, Chen's paper has been published in Optical Materials.
2024.1.22 
Prof. Guo's paper has been published in Phys. Status Solidi RRL.
2023.12.15 
D2 student, Mustofa won the Best Poster Award at 5th Seminar for Frontier PV.
2023.12.14-15 
5th Seminar for Frontier PV will be held at Takeo City.
2023.11.30 
Assist. Prof. Deng's paper has been published in Journal of Luminescence.
2023.11.25-26 
10 graduate students made presentations at 2023 JSAP Kyushu Chapter Meeting and The 8th Asian Applied Physics Conference (Asian-APC)(Kyushu Univ.).
2023.11.21 
D2 student, Mustofa's paper has been published in Journal of Applied Physics.
2023.9.19 
2 graduate students will have presentations and Prof. Tanaka will deliver an invited talk at 2023 JSAP Autumn Meeting(Kumamoto).
2023.9.2 
Prof. Tanaka will deliver an invited lecture on photovoltaics for students at the junior high school attached to Saga Univ.
2023.8.21 
郭教授によるMgGa2O4に関する論文がOptical Materialsに掲載されました。
2023.7.13 
Prof. Guo's paper has been published in Journal of Crystal Growth. Congratulation!
2023.7.6 
Prof. Guo's review paper has been published in ACS Applied Electronic Materials. Congratulation!
2023.6.30 
Prof. Tanaka made a presentation at 20th symposium on PV systems for next generation. Congratulation!
2023.6.15 
D3 student, Huang's paper has been published in Japanese Journal of Applied Physics. Congratulation!  
2023.6.15 
D3 student, Chen's paper has been published in Ceramics International. Congratulation!
2023.3.31 
D1 student, Mustofa's paper has been accepted in Japanese Journal of Applied Physics. "Growth of phosphorus-doped ZnTe thin films by molecular beam epitaxy using InP as dopant source". Congratulation!
2023.3.16-17 
3 graduate students made presentations at 2023 JSAP Spring Meeting(online).
2023.1.13 
M2 student, Ms. Miho Ohishi won the Best Presentation Award for Yound Researchers at 2022 JSAP Kyushu capter meeting.
2022.12.23 
Prof. Tanaka held the 2022 1st Photovoltaics Research Meeting, where Prof. Ikeda of Konan Univ. and Prof. Nose of Kyoto Univ. gave invited lectures.
2022.12.15 
A joint research paper collaborated with Prof. Ikeda in Konan University has been accepted for publication in RSC Advances.
2022.12.2 
A graduate student made a presentation at the 9th Malaysia-Japan Joint Workshop on Photovoltaics Systems (MJPVW 2022).
2022.11.26-27 
10 graduate students made presentations at 2022 JSAP Kyushu capter meeting andThe 7th Asian Applied Physics Conference (Asian-APC) (Oita Univ.).
2022.11.13-17 
6 graduate student made presentations at PVSEC-33(Nagoya).
2022.10.15 
Prof. Tanaka gave an invited lecture at the 55 th Science Cafe in SAGA.
2022.10.14 
A joint research paper collaborated with Shantou University, City University of Hong Kong, and Liebniz-Institut im Forschungsverbund Berlin has been accepted for publication in Nature Communications.
2022.10.13 
Prof. Tanaka made a presentation at the 7th Research Meeting of the Co-creative Innovation platform for Renewable Energy.
2022.10.10 
A graduate student and Prof. Tanaka made a presentation on the introduction of Faculty of Science and Engineering and our laboratory at the 13th Semiconductor Device Forum(Kumamoto).
2022.10.1 
International students from Bangladesh and Nigeria joined our lab as a doctoral course student and a research student, respectively. Welcome!
2022.9.16 
3 graduate students made presentations at 75th Joint Conference of Electrical, Electronics and Information Engineers in Kyushu(online).
2022.9.14 
Prof. Guo made a presentation at IVC-22(Sapporo).
2022.9.5 
Prof. Guo made a presentation at ISCSI-IX(Nagoya).
2022.9.3 
Prof. Tanaka gave an invited lecture on photovoltaics for students at the junior high school attached to Saga Univ.
2022.8.22 
Prof. Tanaka gave an invited lecture entitled "How to Deal with Energy in the Future" at the Saga University Public Lecture for Regional Cooperation (Arita Town).
2022.8.1 
Assistant Professor Deng's paper has been accepted for publication in Materials Letters.
2022.7.28 
D3 student, Ms. Huang's paper has been accepted for publication in Applied Physics Express.
2022.7.19 
D2 student, Mr. Chen's paper has been accepted for publication in Optical Materials.
2022.7.5 
D2 student, Mr. Chen's paper has been accepted for publication in Thin Solid Films.
2022.6.28 
A graduate student made a presentation at 19th symposium on PV systems for next generation(hybrid).
2022.6.28 
M2 student, Mr. Mustofa has received the Best Presentation Award at the 2022 annual meeting of the Kyushu Branch of the Japan Society of Vacuum and Surface Science.
2022.6.11 
A graduate student made a presentation at the 2022 annual meeting of the Kyushu Branch of the Japan Society of Vacuum and Surface Science(Saga).
2022.5.23-26 
A graduate student and assistant professor made presentations at IWUMD 2022(online).
2022.3.23 
3 graduate students made presentations at 2022 JSAP Spring Meeting(online).
2022.3.24 
D2 student, Ms. Huang's paper has been accepted for publication in Journal of Luminescence.
2022.2.3 
D1 student, Mr. Chen's paper has been accepted for publication in Journal of Luminescence. "Near-infrared light-emitting diodes based on Tm-doped Ga2O3". Congratulation!
2022.2.2 
M2 student, Mr. Mustofa received Best Presentation Award for Young Researchers at 6th Asian Applied Physics Conference (Asian-APC). This news was reported on Saga University's top page and Faculty of Science and Engineering's homepage. Congratulation!
2021.12.30 
D3 student, Jang's paper has been accepted for publication in Journal of Physics and Chemistry of Solids. "Effects of Al doping on the structural, electrical, and optical properties of rock-salt ZnCdO thin films grown by molecular beam epitaxy". Congratulation!
2021.12.11 
A B4 student made a presentation at 12nd Semiconductor Device Forum(online). Also, Prof. Tanaka and M1 student Mr. Tsutsumi introduced Saga University and our laboratory at the Forum, respectively.
2021.12.4-5 
Graduate students made 12 presentations at 2021 JSAP Kyushu capter meeting and The 6th Asian Applied Physics Conference (Asian-APC)(online).
2021.10.29 
Prof. Tanaka et al. released the research result "Increase of two-step photon absorption current in intermediate band solar cells" to the press.
2021.10.19 
D3 student, Mr. Deng's paper has been accepted for publication in Applied Physics Letters. "Pulsed laser deposition growth of ultra-wide bandgap GeO2 film and its optical properties". Congratulation!
2021.10.19 
Prof. Tanaka's paper has been accepted for publication in Solar Energy Materials and Solar Cells. "Improved two-step photon absorption current by Cl-doping in ZnTeO-based Intermediate Band Solar Cells with n-ZnS layer". Congratulation!
2021.9.28 
Mr. Saikusa (M2) and Mr. Jang (D3) introduced their research topics on Youtube video in Saga University Center for Promotion of International Exchange. (From 8min39sec.)
2021.9.25 
1 graduate student made presentations at 74th Joint Conference of Electrical, Electronics and Information Engineers in Kyushu(Online).
2021.8.23 
Prof. Guo et al. released the research result "Succeeded in developing a white light emitting diode with excellent color rendering properties" to the press.
2021.8.20 
The development on Ga2O3 white LEDs published in Applied Physics Letters on 12 August, 2021 has been highlighted in Semiconductor Today magazine.
2021.8.12 
D2 student, Huang's paper has been published in Applied Physics Letters. "Strategy toward white LEDs based on vertically integrated rare earth doped Ga2O3 films".Congratulation!
2021.7.1 
D1 student, Chen's paper has been accepted in Applied Physics Express. "Low threshold voltage blue light emitting diodes based on thulium doped gallium oxides". Congratulation!
2021.6.12 
Dr. Patwary's paper has been published in ECS Journal of Solid State Science and Technology. "Effect of Nitrogen Doping on Structural, Electrical, and Optical properties of CuO Thin Films Synthesized by Radio Frequency Magnetron Sputtering for Photovoltaic Application". Congratulation!
2021.4.10 
D3 student, Deng's paper has been accepted in Optical Materials. "Low driven voltage green electroluminescent device based on Er:Ga2O3/GaAs heterojunction". Congratulation!
2021.4.9 
M2 student, Pan's paper has been accepted in Japanese Journal of Applied Physics. "Low temperature growth of In2O3 films via pulsed laser deposition with oxygen plasma". Congratulation!
2021.3.16-17 
2 graduate students made presentations at 2021 JSAP Spring Meeting(online).
2021.3.10 
D2 student, Deng's paper has been accepted in Journal of Luminescence. "Yellow emission from vertically integrated Ga2O3 doped with Er and Eu electroluminescent film". Congratulation!
2021.2.19 
D2 student, Jang's paper has been published in Journal of Alloys and Compounds. "Structural, optical, and electrical properties of WZ- and RS-ZnCdO thin films on MgO (100) substrate by molecular beam epitaxy". Congratulation!
2021.1.9 
D1 student, Huang's paper has been published in Superlattices and Microstructures. "Realization of red electroluminescence from Ga2O3:Eu/Si based light-emitting diodes". Congratulation!
2020.12.29 
D2 student, Deng's paper has been published in Journal of Luminescence. "Improvement of sensing sensitivity based on green emissions from Er-doped (AlGa)2O3 films". Congratulation!
2020.11.28-29 
Graduate students made 4 presentations at 2020 JSAP Kyushu capter meeting(online).
2020.11.20-23 
Prof. Guo gave a keynote speech at The 9th Global Conference on Materials Science and Engineering (CMSE 2020)(Saga).
2020.11.8-13 
Graduate students made 2 presentations at PVSEC30(Jeju and online).
2020.10.21 
D2 student, Deng's paper has been published in AIP Advances. "Efficient temperature sensor based on green emissions from Er-doped β-Ga2O3 thin film".
2020.10.21 
Prof. Guo gave an invited talk at 14th Research Meeting at the Kyushu Synchrotron Light Research Center(Saga).
2020.10.17-18 
Prof. Tanaka delivered 30min lecture at the event "Yumenabi live Fukuoka"(online) for high school students.
2020.10.15 
A graduate students made poster presentations at 16th symposium on PV systems for next generation(Online).
2020.10.12 
Prof. Tanaka made a presentation at 3rd Research Meeting of the Co-creative Innovation platform for Renewable Energy(Saga).
2020.10.1 
A master student from Indonesia joined our lab.
2020.9.30 
Degree Conferment Ceremony was held in the Graduate School of Science and Engineering. Mr. Hu and Mr. Patwary received their doctor degrees. Congratulation!
2020.9.27 
6 graduate students made presentations at 73rd Joint Conference of Electrical, Electronics and Information Engineers in Kyushu(Online).
2020.9.9 
2 graduate students made presentations at 2020 JSAP Fall Meeting(Online).
2020.7.9 
Prof. Guo delivered an invited lecture at an online seminar at King Abdullah University of Science and Technology(KAUST).
2020.6.15 
D2 student, Jang made an oral presentation at 47th IEEE PVSC(Virtual Meeting).
2020.6.18 
Dr. Zhang's paper has been accepted for publication in AIP Advances. "Impacts of oxygen radical ambient on structural and optical properties of (AlGa)2O3 films deposited by pulsed laser deposition." Congratulation!
2020.5.12 
D2 student, Jang's news on his Award has been press-released on Saga University webpage. It can also be seen on Faculty's website.
2020.5.7 
D2 student, Deng's paper has been published in Japanese Journal of Applied Physics. "Enhanced green emission from Er-doped (AlGa)2O3 films grown by pulsed laser deposition".
2020.4.30 
Prof. Tanaka's research has been introduced in website "Mirai book"(in Japanese).
2020.3.13 
2 graduate students made presentations at 2020 JSAP Spring Meeting(Tokyo).
2020.3.9 
D1 student, Jang's paper has been published in CrystEngComm. "Realization of rocksalt Zn1-xCdxO thin films with optical band gap above 3.0 eV by molecular beam epitaxy". Congratulation!
2020.2.27 
D3 student, Patwary's paper has been published in Journal of Applied Physics. This paper has been selected as Editor's Pick. "Effect of oxygen flow rate on properties of Cu4O3 thin films fabricated by radio frequency magnetron sputtering".
2020.2.1 
Dr. Zhang's paper has been accepted for publication in AIP Advances. "Conductive transparent (InGa)2O3 film as host for rare earth Eu." Congratulation!
2020.1.15 
Prof. Guo's research review article was published in Impact, a science journal in UK.
2020.2.6 
Prof. Tanaka will deliver an invited talk at SPIE Photonics West 2020 (San Francisco).

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バナースペース

Optoelectronics Lab.

Department of Electrical and Electronic Engineering,
Saga University,
1 Honjyo, Saga 840-8502, JAPAN