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Dr. Hanggara Sudrajat


Part-time researcher of Division of Computational Physics

H-Index (Scopus): 11;  Citation (Scopus): > 323



  • Bachelor of Chemistry, Universitas Gadjah Mada, Indonesia, 2008
  • Master of Chemical Engineering, Universitas Gadjah Mada, Indonesia, 2011
  • PhD of Chemical Engineering, Thammasat University, Thailand, 2016


  • Photocatalysis for energy and environmental applications;
  • Structural elucidation of photocatalytic materials using synchrotron-based techniques including ultraviolet photoelectron spectroscopy (UPS), X-ray absorption near edge structure (XANES), near edge X-ray absorption fine structure (NEXAFS), X-ray fluorescence holography (XFH).


  • From 2014 to 2015: UEHAS/JASSO Research Fellow, The University of Tokyo, Japan
  • Since 2016 to now: Academic Researcher, Chulalongkorn University, Thailand


[2]. A new viscoplastic model for mixtures of metallic powder and plastic matrix and its applications (Principal investigator, 15-51-45052), Chulalongkorn University, from 2016 to 2017 (Ongoing)

[1]. Synthesis of nitrogen-doped metal oxides and their application in the degradation of organic compounds (Co-Principal investigator, 2/23/2557), Thammasat University, from 2014 to 2016 (Completed)


  • Journals: 

[19]. Hanggara Sudrajat, Sri Hartutic, Easily separable N-doped ZnO microspheres with high photocatalytic activity under visible light, Materials Research Bulletin, 102: 319-323, 2018 (ISI)

[18]. Hanggara Sudrajat, Sri Hartutic, Structural properties and catalytic activity of a novel ternary CuO/gC3N4/ Bi2O3 photocatalyst, Journal of Colloid and Interface Science, 524:227-235, 2018 (ISI)

[17]. Hanggara Sudrajat, Sri Hartutic, Jongee Park, A newly constructed photoactive system, Fe(III)-C/N-Bi2O3, for efficient visible light photocatalysis, Journal of Alloys and Compounds, 748: 390-397, 2018 (ISI)

[16]. H. Sudrajat, S. Babel, Ultrahigh photoactivity of ZnO nanoparticles for decomposition of high‑concentration microcystin‑LR in water environment, International Journal of Environmental Science and Technology, 2018 (ISI)

[15]. Hanggara Sudrajat*, Superior photocatalytic activity of polyester fabrics coated with zinc oxide from waste hot dipping zinc, Journal of Cleaner Production, 172: 1722-1729, 2018 (ISI)

[14]. Hanggara Sudrajat*, Unprecedented ultrahigh photocatalytic activity of δ-Bi2O3 for cylindrospermopsin decomposition, Journal of Nanoparticle Research, 2018 (ISI)

[13]. Hanggara Sudrajat*, A one-pot, solid-state route for realizing highly visible light active Na-doped gC3N4 photocatalysts, Journal of Solid State Chemistry, 257:26-33, 2018 (ISI)

[12]. Hanggara Sudrajat*, Chemical state and local structure of V species incorporated in d-Bi2O3 photocatalysts, Journal of Materials Science, 53(2): 1088-1096, 2018 (ISI)

[11]. Hanggara Sudrajat*, Cu(II)/Bi2O3 Photocatalysis for Toxicity Reduction of Atrazine in Water Environment under Different Light Wavelengths, Environmental Processes, 2017 (Scopus)

[10]. Hanggara Sudrajat*, Template-free, simple fabrication of C/N-doped Bi2O3 nanospheres with appreciable photocatalytic activity under visible light, Superlattices and Microstructures, 109: 229-239, 2017 (ISI)

[9]. H. Sudrajat, Reducing agent-free formation of Cu(I) nanoclusters on gC3N4 for enhanced photocatalysis, Journal of Alloys and Compound, 716:119-127, 2017 (ISI)

[8]. H. Sudrajat and S. Babel, Role of reactive species in the photocatalytic degradation of amaranth by highly active N-doped WO3, Bulletin of Materials Science, 40(7): 1421-1428, 2017 (ISI)

[7]. H. Sudrajat and S. Babel, A novel visible light active N-doped ZnO for effective photocatalytic degradation of recalcitrant dyes, Journal of Water Process Engineering, 16: 309-318, 2017 (ISI)

[6]. S. Babel, P.A. Sekartaji and H. Sudrajat, TiO2 as an effective nanocatalyst for photocatalytic degradation of humic acid in water environment, Journal of Water Supply: Research and Technology – Aqua, 66(1): 25-35, 2015 (ISI)

[5]. H. Sudrajat and S. Babel, A new, cost-effective solar photoactive system N-ZnO@polyester fabric for degradation of recalcitrant compound in a continuous flow reactor, Materials Research Bulletin, 83: 369-378, 2016 (ISI)

[4]. H. Sudrajat and S. Babel, Rapid photocatalytic degradation of the recalcitrant dye amaranth by highly active N-WO3, Environmental Chemistry Letters, 14: 243-249, 2016 (ISI)

[3]. H. Sudrajat and S. Babel, Comparison and mechanism of photocatalytic activities of N-ZnO and N-ZrO2 for the degradation of rhodamine 6G, Environmental Science and Pollution Research, 23: 10177-10188, 2016 (ISI)

[2]. H. Sudrajat and S. Babel, An innovative solar photoactive system N-WO3@polyester fabric for degradation of amaranth in a thin-film fixed-bed reactor, Solar Energy Materials and Solar Cells, 149: 294-303, 2016 (ISI) 

[1]. H. Sudrajat, S. Babel, H. Sakai and S. Takizawa, Rapid enhanced photocatalytic degradation of dyes using novel N-doped ZrO2, Journal of Environmental Management, 165: 224-234, 2016 (ISI)