Assistant Professor

Dr. Sabyasachi Chakrabortty

Department of Chemistry

Interests

  1. Colloidal Nanocrystals.
  2. Facet Engineering.
  3. Theranostics Nanoconjugates.
  4. Carbon Materials.

Education

2006

Ramakrishna Mission Residential College, Narendrapur (University of Calcutta)
B.Sc (Hons.)

2008

Indian Institute of Technology – Madras (IIT-M)
India
M.Sc

2012

National University of Singapore
Singapore
Ph.D.

Experience

  • 2014 - 2017, Senior Postdoctoral Fellow,  Max-Planck-Institute for Polymer Research, Germany and Universität Ulm, Germany
  • 2012 - 2014, Postdoctoral Fellow, National University of Singapore, Singapore.
  • 2009, Visiting Scientist (Funded by JSPS), Institute for Molecular Science, Okazaki, Japan.
  • 2007, Summer Intern, Hindustan Unilever Limited, Bengaluru, India.

Research

  • Synthesis of Metal-Semiconductor Hybrid Nanomaterials for Multi-modal Functionalities
  • Understanding the Fundamentals of Controlled Assembly with Inorganic Nanocrystals, i.e., Polymerizations at Mesoscale.
  • Functional Nanomaterials for Theranostic Applications.
  • Sensing Bio-relevant Entities with Nano-carbon materials.

Awards & Fellowships

  • 2012 – Best Graduate Researcher Award – Department of Chemistry, National University of Singapore, Singapore. 
  • 2010/2011 – Kiang Ai Kim Award – Department of Chemistry, National University of Singapore, Singapore (Most prestigious award for graduate researchers in NUS).
  • 2008 – Research Scholarship – Department of Chemistry, National University of Singapore, Singapore.
  • 2006-2008 – Institute Merit Scholarship for Outstanding Academic Performance during M. Sc. – Indian Institute of Technology Madras, India.
  • 2008 – CSIR-NET and GATE – India.

Publications

  • Asymmetric Dumbbells from Selective Deposition of Metals on Seeded Semiconductor Nanorods.Chakrabortty, S.; Yang, J. A.; Tan, Y. M.; Mishra, N.; Chan, Y. Chem. Int. Ed. 2010, 49, 2888–2892 (2010). (Impact Factor –11.99)
  • pH-Responsive Quantum Dots via an Albumin-Polymer Surface Coating. Wu, Y.; Chakrabortty, S.; Gropeanu, R. a; Wilhelmi, J.; Xu, Y.; Er, K. S.; Kuan, S. L.; Koynov, K.; Chan, Y.; Weil, T. Am. Chem. Soc. 14, 5012–5014 (2010).(Impact Factor –13.86)
  • Enhanced Tunability of the Multiphoton Absorption Cross-Section in Seeded CdSe/CdS Nanorod Heterostructures.Xing, G.; Chakrabortty, S.; Chou, K. L.; Mishra, N.; Huan, C. H. A.; Chan, Y.; Sum, T. C. Phys. Lett. 97, 8–11 (2010).(Impact Factor –3.41)
  • Engineering Fluorescence in Au-Tipped, CdSe-Seeded CdS Nanoheterostructures.Chakrabortty, S.; Xing, G.; Xu, Y.; Ngiam, S. W.; Mishra, N.; Sum, T. C.; Chan, Y. Small 7, 2847–2852 (2011).(Impact Factor –8.32)
  • Three-Photon Absorption in Seeded CdSe/CdS Nanorod Heterostructures. Xing, G.;Chakrabortty, S.; Ngiam, S. W.; Chan, Y.; Sum, T. C. Phys. Chem. C 115, 17711–17716 (2011).(Impact Factor –4.54)
  • Unusual Selectivity of Metal Deposition on Tapered Semiconductor Nanostructures. Mishra, N.; Lian, J.; Chakrabortty, S.; Lin, M.; Chan, Y Mater. 24, 2040–2046 (2012).(Impact Factor –9.47)
  • Ultralow-Threshold Two-Photon Pumped Amplified Spontaneous Emission and Lasing from Seeded CdSe/CdS Nanorod Heterostructures.Xing, G.; Liao, Y.; Wu, X.; Chakrabortty, S.; Liu, X.; Yeow, E. K. L.; Chan, Y.; Sum, T. C. ACS Nano 6, 10835–10844 (2012).(Impact Factor –13.94)
  • Self-Assembled Mononuclear palladium(II) Based Molecular Loops.Sahoo, H. S.; Tripathy, D.; Chakrabortty, S.; Bhat, S.; Kumbhar, A.; Chand, D. K. Acta 400, 42–50 (2013).(Impact Factor –2.05)
  • Promoting 2D Growth in Colloidal Transition Metal Sulfide Semiconductor Nanostructures via Halide Ions.Wu, W.-Y.;† Chakrabortty, S.;† Chang, C. K. L.; Guchhait, A.; Lin, M.; Chan, Y. Mater. 26, 6120–6126 (2014).†equal contribution.(Impact Factor –9.47)
  • Dual Wavelength Electroluminescence from CdSe/CdS Tetrapods.Wong, J. I.; Mishra, N.; Xing, G.; Li, M.; Chakrabortty, S.; Sum, T. C.; Shi, Y.; Chan, Y.; Yang, H. Y. ACS Nano 8, 2873–2879 (2014).(Impact Factor –13.94)
  • Observation of an Excitonic Quantum Coherence in CdSe Nanocrystals. Dong, S.; Trivedi, D.; Chakrabortty, S.; Kobayashi, T.; Chan, Y.; Prezhdo, O. V.; Loh, Z. H. Nano Lett. 15, 6875–6882 (2015).(Impact Factor –12.71)
  • Gene Detection in Complex Biological Media Using Semiconductor Nanorods within an Integrated Microfluidic Device.Bi, X.; Adriani, G.; Xu, Y.; Chakrabortty, S.; Pastorin, G.; Ho, H. K.; Ang, W. H.; Chan, Y. Chem. 87, 10292–10298 (2015).(Impact Factor –6.32)
  • Cation Exchange Synthesis of Uniform PbSe/PbS Core/Shell Tetrapods and their use as Near-Infrared Photodetectors.Mishra, N.; Mukherjee, B.; Xing, G.; Chakrabortty, S.; Guchhait, A.; Lim, J.Y. Nanoscale, 8, 14203–14212 (2016).(Impact Factor –7.37)
  • Facet to Facet Linking of Shape Anisotropic Inorganic Nanocrystals with Site Specific and Stoichiometric Control.Chakrabortty, S.; Guchhait, A.; Ong, X.; Mishra, N.; Wu, W.-Y.; Jhon, M. H.; Chan, Y. Nano Lett. 16, 6431–6436 (2016).(Impact Factor –12.71)
  • Fluorescent Nanodiamond–Gold Hybrid Particles for Multimodal Optical and Electron Microscopy Cellular Imaging.Liu, W.; Naydenov, B.; Chakrabortty, S.; Wuensch, B.; Hübner, K.; Ritz, S.; Cölfen, H.; Barth, H.; Koynov, K.; Qi, H.; Leiter, R.; Reuter, R.; Wrachtrup, J.; Boldt, F.; Scheuer, J.; Kaiser, U.; Sison, M.; Lasser, T.; Tinnefeld, P.; Jelezko, F.; Walther, P.; Wu, Y.; Weil, T.Nano Lett. 16, 6236–6244 (2016). (This work is highlighted in Nature News and Views asNature, 539, 505–506 (2016)).(Impact Factor –12.71)
  • GaInN Quantum Wells as Optochemical Transducers for Chemical Sensors and Biosensors.Heinz, D.; Huber, F.; Spiess, M.; Asad, M.; Wu, L.; Rettig, O.; Wu, D.; Neuschl, B.; Bauer, S.; Wu, Y.; Chakrabortty, S.; Hibst, N.; Strehle, S.; Weil, T.; Thonke, K.; Scholz, F. IEEE J. Sel. Top. Quantum Electron. 23, 1900109 (1-9) (2017).(Impact Factor –3.97)
  • Solution-Processed 2D PbS Nanoplates with Residual Cu2S Exhibiting Low Resistivity and High Infrared Responsivity.Wu, W.-Y.;† Chakrabortty, S.;† Guchhait, A.; † Wong, G. Y. Z.; Dalapati, G. K.; Lin, M.; Chan, Y. Mater. 28, 9132-9138 (2016).†equal contribution. (Impact Factor –9.47)
  • Three-dimensional time lapse imaging of live cell mitochondria with photothermal optical lock-in optical coherence microscopy. Sison, M.;† Chakrabortty, S.;† Extermann, J.; Nahas, A.; Weil, T.; Lasser, T. Scientific Reports, 7, 43275 (2017).†equal contribution.(Impact Factor –4.26)
  • Mitochondria Targeted Protein-Ruthenium Photosensitizer for Efficient Photodynamic Applications.Chakrabortty, S.; Agrawalla, B. K.; Stumper, A.; Vegi, N. M.; Fischer, S.; Reichardt, C.; Kögler, M.; Dietzek, B.; Feuring-Buske, M.; Buske, C.; Rau, S.; Weil, T. Am. Chem. Soc., 139, 2512-2519 (2017).(Impact Factor –13.86)
  • NIR-emitting and Photo-thermal Active Nanogold for Mitochondria Targeting.Chakrabortty, S.; Sison, M.; Wu, Y.; Ladenburger, A.; Pramanik, G.; Biskupek, J.; Extermann, J.; Kaiser, U.; Lasser, T.; Weil, T. Sci. 5 (5), 966-971 (2017). (Impact Factor –4.21)
  • Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures.Ong, X.; Gupta, S.; Wu, W. Y.; Chakrabortty, S.; Chan, Y. J. Exp. 126, e56009 (doi:10.3791/56009) (2017).(Impact Factor –1.33)
  • Hierarchical Multicomponent Nanoheterostructures via Facet to Facet Attachment of Anisotropic Semiconductor Nanoparticles.Gupta, S.; Wu, W.-Y.; Chakrabortty, S.; Li, M.; Wang, Y.; Ong, X.; Chan, Y. Chem. Mater. 29, 9075-9083 (2017).(Impact Factor –9.47)

List of Book Chapters

  • “Recent developments in the synthesis of metal-tipped semiconductor nanorods” by Sabyasachi Chakrabortty, Yinthai Chan INTECH Publishers, 2012, Book Name – Nanorods, Chapter 11.

Contact Details

  • E-mail id: Sabyasachi.c@srmap.edu.in
  • Mobile No.: +91-9874338717
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