Department of Physics

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Januar Widakdo

Januar Widakdo

Januar Widakdo, S.Si., M.Sc., Ph.D earned his Ph.D. from the Graduate Institute of Applied Science and Technology at the National Taiwan University of Science and Technology in 2021, focusing on carbon material science and technology. Prior to his doctoral studies, he completed his Master’s degree in Physics at Universitas Gadjah Mada in 2017 and obtained his Bachelor’s degree in Physics from Universitas Negeri Yogyakarta in 2015. Dr. Widakdo has held significant positions, including his current role as a Lecturer in the Department of Physics at Universitas Indonesia. He has contributed to cutting-edge research as a Postdoctoral Research Fellow at both Universitas Gadjah Mada and the Advanced Membrane Materials Research Center at the National Taiwan University of Science and Technology. Notably, Dr. Widakdo’s outstanding achievements include winning the 2022 R&D World – Product award for his innovative work on the Black Magic Carpet for Water and Power Production (BMC-WP) in the Process/Prototyping category. Additionally, he received special mention from Carbon Journal, Elsevier, for his exceptional Ph.D. thesis in carbon material science and technology in 2022. 

Scientific and Professional Career
Research interests
My Research Group
  • Postdoctoral Reseacrh Fellow at Advanced Membrane Materials Research Center Taiwan Tech (2021-2023)
  • Postdoctoral Research Fellow at Electronic Spin Group, Department of Physics, Universitas Gadjah Mada (2022-2023)
  • Membrane Physics and Theory
  • Materials Physics
  • Bio-inspired materials
  • Physical Chemistry
  • Nanotechnology
Selected Publications
Google Scholar
Scopus
Web of Science

1.     Azzahra, Nadira Ghina, Januar Widakdo, Toto Sudiro, Wei-Song Hung, and Anawati Anawati. “Characteristics of plasma electrolytic oxide coating on magnesium-hydroxyapatite composites.” Materials Letters 356 (2024): 135601. DOI: https://doi.org/10.1016/j.matlet.2023.135601

2.     Rianjanu, A., Marpaung, K.D.P., Melati, E.K.A., Aflaha, R., Wibowo, Y.G., Mahendra, I.P., Yulianto, N., Widakdo, J., Triyana, K., Wasisto, H.S. and Taher, T., 2023. Integrated adsorption and photocatalytic removal of methylene blue dye from aqueous solution by hierarchical Nb2O5@ PAN/PVDF/ANO composite nanofibers. Nano Materials Science. DOI: https://doi.org/10.1016/j.nanoms.2023.10.006

3.     Widakdo, Januar, Grandprix Thomryes Marth Kadja, Anawati Anawati, T. M. Subrahmanya, Hannah Faye Mercado Austria, Tsung-Han Huang, Edi Suharyadi, and Wei-Song Hung. “Graphene oxide-melamine nanofilm composite membrane for efficient CO2 gas separation.” Separation and Purification Technology 323 (2023): 124521. DOI: https://doi.org/10.1016/j.seppur.2023.124521

4.     Widakdo, Januar, Manuel Reyes De Guzman, Micah Belle Marie Yap Ang, Wei-Song Hung, Shu-Hsien Huang, Chien-Chieh Hu, Kueir-Rarn Lee, and Juin-Yih Lai. “Positron annihilation spectroscopy for the free volume depth profile analysis of multilayer and 2D materials composite membranes: a review.” Separation and Purification Technology (2023): 124366. DOI: https://doi.org/10.1016/j.seppur.2023.124366

5.     Subrahmanya, T. M., Jing-Yang Lin, Januar Widakdo, Hannah Faye M. Austria, Yu-Hsuan Chiao, Tsung-Han Huang, Wei-Song Hung, Hideto Matsuyama, Kueir-Rarn Lee, and Juin-Yih Lai. “Effect of functionalized nanodiamonds and surfactants mediation on the nanofiltration performance of polyamide thin-film nanocomposite membranes.” Desalination 555 (2023): 116540. DOI: https://doi.org/10.1016/j.desal.2023.116540

6.     Austria, Hannah Faye M., Januar Widakdo, Owen Setiawan, T. M. Subrahmanya, Wei-Song Hung, Chih-Feng Wang, Chien-Chieh Hu, Kueir-Rarn Lee, and Juin-Yih Lai. “Tailoring the specific crosslinking sites of graphene oxide framework nanosheets for controlled nanofiltration of salts and dyes.” Journal of Cleaner Production 395 (2023): 136280. DOI: https://doi.org/10.1016/j.jclepro.2023.136280

7.     Subrahmanya, T. M., Januar Widakdo, Hannah Faye M. Austria, Wei-Song Hung, Mahaveer D. Kurkuri, Chih-Feng Wang, Chien-Chieh Hu, Kueir-Rarn Lee, and Juin-Yih Lai. “Flow-through in-situ evaporation membrane enabled self-heated membrane distillation for efficient desalination of hypersaline water.” Chemical Engineering Journal 452 (2023): 139170. DOI: https://doi.org/10.1016/j.cej.2022.139170

8.     Huang, Tsung‐Han, Xin‐Yuan Tian, Yi‐Yun Chen, Januar Widakdo, Hannah Faye M. Austria, Owen Setiawan, T. M. Subrahmanya et al. “Multifunctional Phra Phrom‐like Graphene‐Based Membrane for Environmental Remediation and Resources Regeneration.” Advanced Functional Materials(2023): 2308321. DOI: https://doi.org/10.1002/adfm.202308321

9.     Widakdo, Januar, Wen-Ching Lei, Anawati Anawati, Subrahmanya Thagare Manjunatha, Hannah Faye M. Austria, Owen Setiawan, Tsung-Han Huang, Yu-Hsuan Chiao, Wei-Song Hung, and Ming-Hua Ho. “Effects of Co-Solvent-induced self-assembled graphene-PVDF composite film on piezoelectric application.” Polymers 15, no. 1 (2022): 137. DOI:  https://doi.org/10.3390/polym15010137

10.  Widakdo, Januar, Tsan-Ming Chen, Meng-Chieh Lin, Jia-Hao Wu, Tse-Ling Lin, Pin-Ju Yu, Wei-Song Hung, and Kueir-Rarn Lee. “Evaluation of the antibacterial activity of eco-friendly hybrid composites on the base of oyster shell powder modified by metal Ions and LLDPE.” Polymers 14, no. 15 (2022): 3001. DOI: https://doi.org/10.3390/polym14153001

11.  Widakdo, Januar, Tzu-Jung Huang, T. M. Subrahmanya, Hannah Faye M. Austria, Hung-Lung Chou, Wei-Song Hung, Chih-Feng Wang, Chien-Chieh Hu, Kueir-Rarn Lee, and Juin-Yih Lai. “Bioinspired ionic liquid-graphene based smart membranes with electrical tunable channels for gas separation.” Applied Materials Today 27 (2022): 101441. DOI: https://doi.org/10.1016/j.apmt.2022.101441

12.  Widakdo, J., P-W. Wu, H. F. M. Austria, W-S. Hung, P-J. Yu, C-F. Wang, C-C. Hu, K-R. Lee, and J-Y. Lai. “Dual functional GO-Ag incorporated nanocomposite pervaporation membrane with alcohol dehydration performance and enhanced antibacterial property.” Materials Today Chemistry 24 (2022): 100985. DOI: https://doi.org/10.1016/j.mtchem.2022.100985

13.  Subrahmanya, T. M., Januar Widakdo, Sivakumar Mani, Hannah Faye M. Austria, Wei-Song Hung, H. K. Makari, Jitendra K. Nagar, Chien-Chieh Hu, and Juin-Yih Lai. “An eco-friendly and reusable syringe filter membrane for the efficient removal of dyes from water via low pressure filtration assisted self-assembling of graphene oxide and SBA-15/PDA.” Journal of Cleaner Production 349 (2022): 131425. DOI: https://doi.org/10.1016/j.jclepro.2022.131425

14.  Sivakumar, Mani, Januar Widakdo, Wei-Song Hung, Chih-Feng Wang, Chien-Chieh Hu, Kueir-Rarn Lee, and Juin-Yih Lai. “Porous graphene nanoplatelets encompassed with nitrogen and sulfur group for heavy metal ions removal of adsorption and desorption from single or mixed aqueous solution.” Separation and Purification Technology 288 (2022): 120485. DOI: https://doi.org/10.1016/j.seppur.2022.120485

15.  Widakdo, Januar, Hannah Faye M. Austria, T. M. Subrahmanya, Edi Suharyadi, Wei-Song Hung, Chih-Feng Wang, Chien-Chieh Hu, Kueir-Rarn Lee, and Juin-Yih Lai. “Switching gas permeation through smart membranes by external stimuli: A review.” Journal of Materials Chemistry A10, no. 32 (2022): 16743-16760. DOI: https://doi.org/10.1039/D2TA02756A

16.  Rismaningsih, Febri, and Januar Widakdo. “Effect of Nanoparticle Ag on Wet Accumulator Performance.” Jurnal Penelitian Fisika dan Aplikasinya (JPFA) 11, no. 2 (2021): 138-147. DOI: https://doi.org/10.26740/jpfa.v11n2.p138-147

17.  Widakdo, Januar, Tsung-Han Huang, T. M. Subrahmanya, Hannah Faye M. Austria, Wei-Song Hung, Chih-Feng Wang, Chien-Chieh Hu, Kueir-Rarn Lee, and Juin-Yih Lai. “Tailoring of graphene–organic frameworks membrane to enable reversed electrical-switchable permselectivity in CO2 separation.” Carbon 182 (2021): 545-558. DOI: https://doi.org/10.1016/j.carbon.2021.06.047

18.  Subrahmanya, T. M., Ahmad Bin Arshad, Po Ting Lin, Januar Widakdo, H. K. Makari, Hannah Faye M. Austria, Chien-Chieh Hu, Juin-Yih Lai, and Wei-Song Hung. “A review of recent progress in polymeric electrospun nanofiber membranes in addressing safe water global issues.” RSC advances 11, no. 16 (2021): 9638-9663. DOI: 10.1039/D1RA00060H 

19.  Austria, Hannah Faye M., T. M. Subrahmanya, Owen Setiawan, Januar Widakdo, Yu-Hsuan Chiao, Wei-Song Hung, Chih-Feng Wang, Chien-Chieh Hu, Kueir-Rarn Lee, and Juin-Yih Lai. “A review on the recent advancements in graphene-based membranes and their applications as stimuli-responsive separation materials.” Journal of Materials Chemistry A 9, no. 38 (2021): 21510-21531. DOI: https://doi.org/10.1039/D1TA04882A

20.  Subrahmanya, T. M., Po Ting Lin, Yu-Hsuan Chiao, Januar Widakdo, Cheng-Hsiu Chuang, Shaneza Fatma Rahmadhanty, Shiro Yoshikawa, and Wei-Song Hung. “High performance self-heated membrane distillation system for energy efficient desalination process.” Journal of Materials Chemistry A 9, no. 12 (2021): 7868-7880. DOI: https://doi.org/10.1039/D0TA11724B

21.  Widakdo, Januar, Yu-Hsuan Chiao, Yu-Lun Lai, Arif C. Imawan, Fu-Ming Wang, and Wei-Song Hung. “Mechanism of a self-assembling smart and electrically responsive PVDF–graphene membrane for controlled gas separation.” ACS applied materials & interfaces 12, no. 27 (2020): 30915-30924. DOI: https://doi.org/10.1021/acsami.0c04402

22.  Widakdo, J., N. Istikhomah, A. Rifianto, E. Suharyadi, T. Kato, and S. Iwata. “Crystal structures and magnetic properties of silica and polyethylene glycol (PEG-4000)—Encapsulated Zn 0.5 Ni 0.5 Fe 2 O 4 magnetic nanoparticles.” In 2017 IEEE 12th Nanotechnology Materials and Devices Conference (NMDC), pp. 149-150. IEEE, 2017. DOI: 0.1088/1742-6596/1011/1/012068

23.  Rifianto, A., J. Widakdo, N. Istikhomah, E. Suharyadi, T. Kato, and S. Iwata. “The effect of synthesis parameter on crystal structure and magnetic properties of Ni0. 5Zn0. 5Fe2O4 magnetic nanoparticles.” In Journal of Physics: Conference Series, vol. 1011, no. 1, p. 012059. IOP Publishing, 2018. DOI: 10.1088/1742-6596/1011/1/012059

24.  Istikhomah, N., J. Widakdo, A. Rifianto, E. Suharyadi, T. Kato, and S. Iwata. “Effect of Zn concentration on crystal structure and magnetic properties of Zn x Ni 1− x Fe 2 O 4 nanoparticles fabricated by co-precipitation method.” In 2017 IEEE 12th Nanotechnology Materials and Devices Conference (NMDC), pp. 151-152. IEEE, 2017. DOI:

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