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Academic Staff

Dr Song Jiajun

Dr Song Jiajun

Research Assistant Professor

ORCID ID
SCOPUS ID

Research Overview

Our research focuses on developing emerging mixed ionic–electronic conductors, such as 2D metal–organic frameworks and covalent organic frameworks, for high-performance organic transistors aimed at bioelectronic applications. We strive to advance bioelectronic devices to enable innovations in healthcare.

Research Interests

  • Mixed ionic–electronic conductors
  • 2D metal–organic frameworks
  • 2D covalent organic frameworks
  • Organic electrochemical transistors
  • Bioelectronics
  • Neuromorphic electronics

Education and Academic Qualifications

  • Doctor of Philosophy, The Hong Kong Polytechnic University

Achievements

  1. J. Song, P. Lin, D. Liu, S. Ke, X. Zeng, A Salmonella Sensor, Preparation Method, and Method for Detecting Salmonella Concentration. Chinese Invention Patent, Patent No.: ZL201611054808.3
  2. Lin, P. Lin, J. Song, W. Wei, S. Ke, X. Zeng, A Photoelectrochemical Biosensor and Its Preparation Method, Chinese Invention Patent, Patent No.: ZL201611054180.7
  3. J. Hu, P. Lin, J. Song, F. Yan, S. Ke, X. Zeng, A Sarcosine Detection Device, Its Preparation Method and Application, Chinese Invention Patent, Patent No.: ZL201611054915.6.
  4. D. Liu, P. Lin, J. Song, L. Nie, S. Ke, X. Zeng, J. Guo, S. Chen, A Toxin Sensor Based on Organic Photoelectrochemical Transistor and Its Preparation Method. Chinese Invention Patent, Patent No.: ZL201711464221.4
  5. P. Lin, H. Liu, W. Tao, J. Song, J. Hu, S. Ke, X. Zeng, A Upconversion Material-Based Photoelectrochemical DNA Sensor and Its Detection Method. Chinese Invention Patent, Patent No.: ZL201710556529.5
  1. Song, J.; Liu, H.; Zhao, Z.; Lin, P.; Yan, F. Flexible Organic Transistors for Biosensing: Devices and Applications. Advanced Materials 2024, 36, 2300034. DOI: https://doi.org/10.1002/adma.202300034
  2. Song, J.; Liu, C.-K.; Piradi, V.; Chen, C.; Zhu, Y.; Zhu, X.; Li, L.; Wong, W.-Y.; Yan, F. Large-Area Fabrication of Hexaazatrinaphthylene-Based 2D Metal-Organic Framework Films for Flexible Photodetectors and Optoelectronic Synapses. Advanced Science 2024, 11, 2305551. DOI: https://doi.org/10.1002/advs.202305551
  3. Song, J.; Li, L.; Wong, W.-Y.; Yan, F. Organic Mixed Conductors in Electrochemical Transistors for Bioelectronic Applications. Accounts of Materials Research 2024, 5, 1036–1047. DOI: 10.1021/accountsmr.4c00124
  4. Song, J.; Tang, G.; Cao, J.; Liu, H.; Zhao, Z.; Griggs, S.; Yang, A.; Wang, N.; Cheng, H.; Liu, C.-K.; McCulloch, I.; Yan, F. Perovskite Solar Cell-Gated Organic Electrochemical Transistors for Flexible Photodetectors with Ultrahigh Sensitivity and Fast Response. Advanced Materials 2023, 35, 2207763. DOI: https://doi.org/10.1002/adma.202207763
  5. Song, J.; Liu, H.; Zhao, Z.; Guo, X.; Liu, C.-k.; Griggs, S.; Marks, A.; Zhu, Y.; Law, H. K.-w.; McCulloch, I.; Yan, F. 2D metal-organic frameworks for ultraflexible electrochemical transistors with high transconductance and fast response speeds. Science Advances 2023, 9, eadd9627. DOI: 10.1126/sciadv.add9627
  6. Song, J.; Yan, F. Applications of Organic Electrochemical Transistors in Flexible Bioelectronics. IEEE Journal on Flexible Electronics 2022, 1, 88–97. DOI: 10.1109/JFLEX.2022.3179674.
  7. Liu, C.-K.; Piradi, V.; Song, J.; Wang, Z.; Wong, L.-W.; Tan, E.-H.-L.; Zhao, J.; Zhu, X.; Yan, F. 2D Metal–Organic Framework Cu3(HHTT)2 Films for Broadband Photodetectors from Ultraviolet to Mid-Infrared. Advanced Materials 2022, 34, 2204140. DOI: https://doi.org/10.1002/adma.202204140
  8. Song, J.; Zheng, J.; Yang, A.; Liu, H.; Zhao, Z.; Wang, N.; Yan, F. Metal–organic framework transistors for dopamine sensing. Materials Chemistry Frontiers 2021, 5, 3422–3427, 10.1039/D1QM00118C. DOI: 10.1039/D1QM00118C
  9. Song, J.; Lin, P.; Ruan, Y.-F.; Zhao, W.-W.; Wei, W.; Hu, J.; Ke, S.; Zeng, X.; Xu, J.-J.; Chen, H.-Y.; Ren, W.; Yan, F. Organic Photo-Electrochemical Transistor-Based Biosensor: A Proof-of-Concept Study toward Highly Sensitive DNA Detection. Advanced Healthcare Materials 2018, 7, 1800536. DOI: https://doi.org/10.1002/adhm.201800536
  10. Liu, H.; Yang, A.; Song, J.; Wang, N.; Lam, P.; Li, Y.; Law, H. K.-w.; Yan, F. Ultrafast, sensitive, and portable detection of COVID-19 IgG using flexible organic electrochemical transistors. Science Advances 7, eabg8387. DOI: 10.1126/sciadv.abg8387

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