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  Dr. Shibu E. S.

Assistant Professor

Ramanujan Fellow (SERB)

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  • PhD (Nanoscience), Indian Institute of Technology (IIT) Madras, India (2005-2010), Advisor: Padma Shri Prof. T. Pradeep.
  • MSc (Chemistry), St Thomas’ College, Thrissur, University of Calicut, Kerala, India (2004).
  • BSc (Chemistry), StThomas’ College, Thrissur, University of Calicut, Kerala, India (2002).

Research Interests

  • Development of photosensitive nanoprobes for bioimaging and therapeutics.
  • Development of light-emitting and NIR-plasmonic nanomaterials.
  • Development of photo-switchable atomically precise nanoclusters.

 Ongoing Project

Photolabile nanoprobes for light-induced delivery, imaging, phototherapy, chemotherapeutics and neurogenic disorders (SB/S2/RJN-005/2017; 35,00,000 INR).

Awards and Fellowships

  • Ramanujan Fellowship (2017-2022).
  • Madam Marie Curie Fellowship (2015-2017).
  • Japan Society for the Promotion of Science (JSPS) Fellowship (2011-2013).
  • JRF and SRF, UGC/CSIR (2006-2010).
  • 3rd rank in MSc. Chemistry, Calicut University (2004).

Professional Activities

  • Lifelong member in The Society for Advancement of Electrochemical Science and Technology (SAEST).

Professional Career

  • Assistant Professor, Department of Nanoscience and Technology, University of Calicut, India (February 2021 onwards).
  • Ramanujan Fellow and Assistant Professor (AcSIR), CSIR- Central Electrochemical Research Institute (CECRI), Karaikudi, Tamil Nadu, India (September 2017-February 2021).
  • Madam Marie Curie Fellow, (Associated with Prof. BrahimLounis), Institute of Optics, University of Bordeaux, France (April 2015 -March 2017).
  • CNRS Post-Doctoral Fellow, (Associated with Prof. BrahimLounis), Institute of Optics, University of Bordeaux, France (September 2013-March 2015).
  • JSPS Post-Doctoral Fellow, (Associated with Prof. Vasudevan Biju), National Institute of Advanced Science and Technology (AIST) Japan (November 2011-September 2013).
  • PRESTO Post-Doctoral Fellow, (Associated with Prof. Vasudevan Biju), AIST Japan, Precursory Research for Embryonic Science and Technology (PRESTO) (January 2011-October 2011).
  • Research Associate, (Associated with Padma Shri Prof. T. Pradeep), Department of Science and Technology (DST) Unit on Nanoscience and Technology, IIT Madras, Chennai, India (June 2010-December 2010).


  • Gold and silver quantum clusters in molecular containers and methods for their preparation and use, T. Pradeep and E. S. Shibu, 2015, US8999717 (US patent).
  • Caged nanoparticles for bioimaging, V. Biju, E. S. Shibu, S. Sugino, S. Wakida, Y. Yoshida, JP 2013-144006 (Japanese patent).
  • Gold and silver quantum clusters and methods for their preparation and use, T. Pradeep and E. S. Shibu, PCT/IB2011/000260 (PCT).
  • Gold and silver quantum clusters and methods for their preparation and use, T. Pradeep and E. S. Shibu, 4036/CHE/2010 (Indian patent).

Book Chapter

  • A Textbook of Nanoscience and Nanotechnology, McGraw-Hill Education, New Delhi, 2011 (Co-author with Prof. T. Pradeep, IIT Madras, India).


  1. Rival, V. J.; Mymoona, P.; Vinoth, R.; Vinu Mohan, A. M.; Shibu, E. S.* Light-emitting atomically precise nanocluster-based flexible QR codes for anti-counterfeiting. ACS Appl. Mater. Interfaces 2021, 13, 10583-10593.
  2. Rival, V. J.; Mymoona, P.; Lakshmi, K. M.; Nonappa, Pradeep, T.; Shibu, E. S.* Self-assembly of precision noble metal nanoclusters: Hierarchical structural complexity, colloidal superstructures and applications. Small 2021 (Early view; https://doi.org/10.1002/smll.202005718).
  3. Rival, V. J.; Nonappa; Shibu, E. S.* Light-triggered reversible supracolloidal self-assembly of precision gold nanoclusters. ACS Appl. Mater. Interfaces 2020, 12, 14569-14577.
  4. Shibu, E. S.; Nadezda, V.; Cognet, L.; Lounis, B. Small gold nanorods with tunable absorption for photothermal microscopy in cells. Adv. Sci20174, 1600280.
  5. Biju, V.; Hamada, M.; Ono, K.; Sugino, S.; Ohnishi, T.; Shibu,E. S.; Yamamura, S.; Sawada, M.; Nakanishi, S.; Shigeri, Y.; Wakida, S.-I. Nanoparticles speckled by ready-to-conjugate lanthanide complexes for multimodal imaging. Nanoscale 20157, 14829-14837.
  6. Leduc, C.; Si, S.; Gautier, J. J.; Gao, Z.; Shibu,E. S.; Gautreau, A.; Giannone, G.; Cognet, L.; Lounis, B. Single-molecule imaging in live cell using gold nanoparticles. Methods Cell Biol2015125, 13-27.
  7. Shibu E. S.; Hamada, M.; Nakanishi, S.; Wakida, S.; Biju, V. Photoluminescence of CdSe and CdSe/ZnS quantum dots: Modifications for making the invisible visible at ensemble and single-molecule levels. Coord. Chem. Rev. 2014263-264, 2-12.
  8. Shibu, E. S.; Ono, K.; Sugino, S., Nishioka, A.; Yasuda, A.; Shigeri, Y.; Wakida, S.; Sawada, M.; Biju, V. Photouncaging fluorescent-magnetic bimodal nanoparticle for in-vitro and in-vivo imaging. ACS Nano 20137, 9851-9859.
  9. Shibu, E. S.; Saito, H.; Sugino, S.; Nosaka,Y.; Biju, V. Singlet oxygen sensitizing NIR-fluorescent multimodal nanoparticles. Angew. Chem. Int. Ed. 201352, 10559-10563.
  10. Shibu, E. S.; Sonoda, A.; Tao, Z.; Feng, Q.; Furube, A.; Masuo, S.; Wang, L.; Tamai, N.; Ishikawa, M.; Biju, V. Energy materials: Supramolecular nanoparticles for solar energy harvesting. Nano Rev. 20134, 21079.
  11. Kumar, S.; Shibu, E. S.; Pradeep, T.; Sood, A. Ultrafast photoinduced enhancement of nonlinear optical response in 15-atom gold clusters on indium tin oxide conducting film. Opt. Express 201321, 8483-8492.
  12. Shibu, E. S.; Hamada, M.; Murase, N.; Biju, V. Nanomaterials formulations for photothermal and photodynamic therapy of cancer. J. Photochem.  Photobiol. C 201315, 53-72.
  13. Biju, V.; Anas, A.; Akita, H.; Shibu, E. S.; Itoh, T.; Harashima, H.; Ishikawa, M. FRET from quantum dots to photo-decompose undesired acceptors and report the condensation and decondensation of plasmid DNA. ACS Nano 20126, 3776-3788.
  14. Shibu, E. S.; Sonoda, A.; Tao, Z.; Feng, Q.; Furube, A.; Masuo, S.; Wang, L.; Tamai, N.; Ishikawa, M.; Biju, V. Photofabrication of fullerene-shelled quantum dots supramolecular nanoparticles for solar energy harvesting. ACS Nano 20126, 1601-1608.
  15. George, A.; Shibu, E. S.; Maliyekkal, S. M.; Bootharaju, M. S.; Pradeep, T. Luminescent, freestanding composite films of Au15 for specific metal ion sensing. ACS Appl. Mater. Interfaces 20124, 639-644.
  16. Shibu, E. S.; Cyriac, J.; Pradeep, T.; Chakrabarti, J. Gold nanoparticle superlattices as functional solids for concomitant conductivity and SERS tuning. Nanoscale 20113, 1066-1072. 
  17. Shibu, E. S.; Pradeep, T. Quantum clusters in cavities: Trapped Au15 in cyclodextrins. Chem. Mater. 201123, 989-999.
  18. Hamada, M.; Shibu, E. S.; Itoh, T.; Kiran, M. S.; Nakanishi, S.; Ishikawa, M.; Biju,V. Single-molecule photochemical reactions of Auger-ionized quantum dots. Nano Rev2011, 2, 475.
  19. Shibu, E. S.; Habeeb Muhammed, M. A.; Kimura, K.; Pradeep, T. Fluorescent superlattices of gold nanoparticles: A new class of functional materials. Nano Res20092, 220-234.
  20. Shibu, E. S.; Radha, B.; Verma, P. K.; Bhyrappa, P.; Kulkarni, G. U.; Pal, S. K.; Pradeep, T. Functionalized Au22 clusters: synthesis, characterization, and patterning. ACS Appl. Mater. Interfaces 20091, 2199-2210.
  21. Shibu, E. S.; Kimura, K.; Pradeep, T. Gold nanoparticle superlattices: Novel surface enhanced Raman scattering active substrates. Chem. Mater. 200921, 3773-3781.
  22. Ramasamy, P.; Guha, S.; Shibu, E. S.; Sreeprasad, T. S.; Bag, S.; Banerjee, A.; Pradeep, T. Size tuning of Au nanoparticles formed by electron beam irradiation of Au25 quantum clusters anchored within and outside of dipeptide nanotubes. J. Mater. Chem. 2009, 19, 8456-8462.
  23. Shibu, E. S.; T. Pradeep. Photoluminescence and temperature-dependent emission studies of Au25 clusters in the solid state. Int. J. Nanoscience2009, 2, 223-226.
  24. Nishida, N.; Shibu, E. S.; Yao, H.; Oonishi, T.; Kimura, K.; Pradeep, T. Fluorescent gold nanoparticle superlattices. Adv. Mater200820, 4719-4723.
  25. Shibu, E. S.; Muhammed, M. A. H.; Tsukuda, T.; Pradeep, T. Ligand exchange of Au25SG18 leading to functionalized gold clusters: Spectroscopy, kinetics, and luminescence. J. Phys. Chem. C 2008112, 12168-12176.

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Department of Nano Science and Technology
University of Calicut
Calicut University (P.O)
Malappuram - 673635 
Kerala, India
Tel: +91 494 2407373 / 7374
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