Hanggara Sudrajat, Ph.D. is a researcher and member of the Quantum Devices & Technology research group. He received his doctoral degree from Thammasat University, Thailand in 2016. At present, his primary interests regard the science behind high-performance catalysts for artificial photosynthesis, including H₂ production, CO₂ reduction, and photo-biorefinery.

• Research Keywords: Photocatalysts, Artificial Photosynthesis, Renewable Energy, Fine Chemicals.
• Contact: hanggara.sudrajat(at)brin.go.id
• Metrics: Google Scholar, Scopus

• Ph.D. (2016) | Chemical Engineering Program, Sirindhorn International Institute of Technology, Thammasat University, Thailand.
• M.Eng. (2011) | Department of Chemical Engineering, Universitas Gadjah Mada, Indonesia.
• S.Si. / B.Sc. (2008) | Department of Chemistry, Universitas Gadjah Mada, Indonesia.

• 2022–present, Researcher, BRIN Research Center for Quantum Physics, Indonesia.
• 2020, Visiting Researcher, Department of Applied Physics, TU Eindhoven, the Netherlands. 
• 2018–2020, JSPS Postdoctoral Fellow, Department of Chemistry, Kobe University, Japan.
• 2016–2021, Assistant Professor, Division of Computational Physics, Ton Duc Thang University, Vietnam.
• 2014–2015, Visiting Researcher, Department of Urban Engineering, University of Tokyo, Japan.

• H. Sudrajat, S. Hartuti, and S. Babel, “Mechanistic understanding of the increased photoactivity of TiO₂ nanosheets upon tantalum doping”, Phys. Chem. Chem. Phys. 24, 995 (2022).
• H. Sudrajat, M. Kitta, R. Katoh, N. Ichikuni, and H. Onishi, “Dependence of Photoexcited Electron Behavior on Octahedral Distortion in Barium-Doped NaTaO₃ Photocatalysts”, J. Phys. Chem. C 125, 16403 (2021).
• H. Sudrajat, M. Kitta, R. Ito, T. Yoshida, R. Katoh, B. Ohtani, N. Ichikuni, and H. Onishi, “The role of the shell in core–shell-structured La-doped NaTaO₃ photocatalysts”, Phys. Chem. Chem. Phys. 23, 8868 (2021).
• H. Sudrajat, M. Kitta, R. Ito, S. Nagai, T. Yoshida, R. Katoh, B. Ohtani, N. Ichikuni, and H. Onishi, “Water-Splitting Activity of La-Doped NaTaO₃ Photocatalysts Sensitive to Spatial Distribution of Dopants”, J. Phys. Chem. C 124, 15285 (2020).
• H. Sudrajat, M. M. Fadlallah, S. Tao, M. Kitta, N. Ichikuni, and H. Onishi, “Dopant site in indium-doped SrTiO₃ photocatalysts”, Phys. Chem. Chem. Phys. 22, 19178 (2020).
• H. Sudrajat, D. Dhakal, M. Kitta, T. Sasaki, A. Ozawa, S. Babel, T. Yoshida, N. Ichikuni, and H. Onishi, “Electron Population and Water Splitting Activity Controlled by Strontium Cations Doped in KTaO₃ Photocatalysts”, J. Phys. Chem. C 123, 18387 (2019).