Associate Professor

Dr Sabyasachi Chakrabortty 

Department of Chemistry

Interests

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

Faculty Details

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

  • Vijayakumar, G.; Reddy. A. S.; Bandaru, S.; Chakrabortty, S.; Habila, M. A.; Kumar, B. A.; Sangaraju, S. “Facile synthesis of WSe2/PEG nanostructures as a highly efficient with superior photocatalytic performance” Inorganic Chemistry Communications, 2024, 164, 112447 (1-9). IF – 3.8
  • Bandaru, S.; Palanivel, M.; Ravipati, M.; Wu, W-Y.; Zahid, S.; Halkarni, S. H.; Dalapati, G. K.; Ghosh, K. K.; Gulyás, B.; Padmanabhan, P.;* Chakrabortty, S.* “Highly Monodisperse, Size Tunable Glucosamine Conjugated CdSe Quantum Dots for Enhanced Cellular Uptake and Bioimaging” ACS Omega, 2024, 9(7), 7452-7462. IF – 4.1
  • Krishna, A. M. S.; Busi, K. B.; Ramasubramanian, B.; Reddy, V. S.; Samanta, A.; Ramakrishna, S.; Ghosh, S;* Chakrabortty, S.;* Dalapati, G. K.* “Sputter grown CuO thin films: Impact of growth pressure and annealing temperature on their microstructural architectures” Memories - Materials, Devices, Circuits and Systems, 2024, 7, 100100 (1-8). IF – Yet to announce.
  • Mavuduru, V. A.; Vadupu, L.; Ghosh, K. K.; Chakrabortty, S.; Gulyás, B.; Padmanabhan, P.;* Ball, W. B.* “Mitochondrial phospholipid transport: Role of contact sites and lipid transport proteins” Progress in Lipid Research, 2024, 94, 101268 (1-12). IF – 13.6
  • Mariam, E.; Dalapati, G.K.;* Ghosh, S.; Sherin PA, T.; Chakrabortty, S.; Ramasubramanian, B.; Reddy, V. S.; Motapothula, M. R.; Kumar, A.; Ramakrishna, S.;* Krishnamurthy, S.* “Emerging Trends in Cooling Technologies for PV systems” Renewable and Sustainable Energy Reviews, 2024, 192, 114203 (1-23).. IF – 15.9
  • Busi, K.B.; Palanivel, M.; Jyothi, K.; Zoey, F. LG.; Zahid, S.; Ghosh, K.K.; Agrawalla, B. K.; Gulyás, B.; Halkarni, S.; Thondamal, M.; Padmanabhan, P;* Chakrabortty, S.* “Potential impact of various surface ligand on the cellular uptake and biodistribution characteristics using Red, Green, Blue emitting Cu nanoclusters” RSC Advances, 2023, 13, 25862-25870. IF – 4.04
  • Liu, C-Y.; Ram, R.; Kolaru, R. B.; Chang, S-H.; Chakrabortty, S.; Lin, Y-N.; Chu, C-S.; Biring, S. “Developing highly reliable SERS substrates based on Ag grown on alumina nanomeshes anodized under 1 V for efficiently sensing Raman-active molecules.” Sensors and Actuators B: Chemical, 2023, 386, 133739. IF – 9.22
  • Krishna, A. M. S.; Ramasubramanian, B.; Haseena, S.; Bamola, P.; Sharma, H.; Mahata, C.; Chroneos, A.; Krishnamurthy, S.; Ravva, M. K.; Chandu, B.; Lim, Y-F.; Kumar, A.; Ramakrishna, S.; Biring, S.; Chakrabortty, S.; Dalapati. G. K. “Functionalized Graphene-Incorporated Cupric Oxide Charge-Transport Layer for Enhanced Photoelectrochemical Performance and Hydrogen Evolution.” Catalysts, 2023, 13(4), 785. IF – 4.5
  • Busi, K.B.; Das, S.; Palanivel, M.; Ghosh, K.K.; Gulyás, B.; Padmanabhan, P;* Chakrabortty, S.* “Surface Ligand Influences the Cu Nanoclusters as a Dual Sensing Optical Probe for Localized pH Environment and Fluoride Ion.” Nanomaterials, 2023, 13 (3), 529. IF – 5.72
  • Karthigaimuthu, D.; Raju, K.; Chakrabortty, S.; Ghosh, S.; Arjunkumar, B.; Elangovan, T.; Sambasivam, S.* “Rational Design of Mg(OH)2/Cu2(OH)3(NO3) Binary Heterostructure Electrodes for Enriched Supercapacitors Performance” Ionics, 2023, https://doi.org/10.1007/s11581-023-05304-4. IF – 2.8
  • Bandaru, S.; Ravipati, M.; Busi, K. B.; Phukan, P.; Bag, S.;* Chandu, B.; Dalapati, G. K.; Biring, S.;* Chakrabortty, S.* “A Review on the Fate of Microplastics: Their Degradation and Advanced Analytical Characterization” Journal of Polymers and the Environment, 2023, https://doi.org/10.1007/s10924-023-03102-7. IF – 5.3
  • Dalapati, G. K.;* Ghosh, S.;* Sherin P. A. T.; Ramasubramanian, B.; Samanta, A.; Rathour, A.; Wong, T. K. S.; Chakrabortty, S.;* Ramakrishna, S.;* Kumar, A. “Maximizing solar energy production in ASEAN region: Opportunity and challenges” Results in Engineering, 2023, 20, 101525(1-18). IF – 5
  • Bandaru, S.; Sen, A.; Pramanik, G.; Dalapati. G. K.; Biring, S;* Chakrabortty, S.* “Protein Encapsulated Covellite CuS Nanospheres for the Efficient Oxidative Degradation of Organic Dyes in Wastewater.” Environmental Advances, 2023, 13, 100428(1-12). IF – Yet to announce
  • Gundepudi, K.; N. P. M.; Sangaraju, S.; Dalapati, G. K.; Ball, W. B.; Ghosh, S.;* Chakrabortty, S.* “A review on the role of nanotechnology in the development of near-infrared photodetectors: materials, performance metrics, and potential applications” Journal of Materials Science, 2023, 58, 13889-13924. IF – 4.5
  • Electronic structure and origin of intrinsic defects in sputtered HfTiO2 alloy dielectric on Gas surface. Chandreswar Mahata, Mullapudi V.Jyothirmai, Mahesh KumarRavva, Sabyasachi Chakrabortty, Sungjun Kim, Sajal Biring, Seeram Ramakrishna, Goutam Kumar Dalapati. Journal of Alloys and Compounds, (2022).(Impact Factor –6.37)
  • The Multifarious Applications of Copper Nanoclusters in Biosensing and Bioimaging and Their Translational Role in Early Disease Detection. Kumar Babu Busi, Writoban Basu Ball, Sabyasachi Chakrabortty,. Nanomaterials, (2022).(Impact Factor –5.71)
  • Krishna, A. M.S.; Dalapati, G. K. *; Chakrabortty, S. * et . al. “Photovoltaic/Photo-Electrocatalysis Integration for Green Hydrogen: A review” Energy Conversion & Management, 2022, 261, 115648. IF – 11.53
  • Mahata, C.; Jyothirmai, M.V.; Ravva, M. K.; Chakrabortty, S.; Kim, S.; Biring, S.; Ramakrishna, S.; Dalapati, G.K. “Electronic structure and origin of intrinsic defects in sputtered HfTiO2 alloy dielectric on GaAs surface” Journal of Alloys and Compounds, 2022, 910, 164817. IF – 6.37
  • Nawade, A.; Dalapati, G. K.; Mukhopadhyay, S.; Chakrabortty, S. et . al. “Copper based transparent solar heat rejecting film on glass through in-situ nanocrystal engineering of sputtered TiO2.” Ceramics International, 2022, 48 (2), 2482-2491. IF – 5.53
  • Naskar, N.; Liu, W.; Qi, H.; Stumper, A.; Fischer, S.; Diemant, T.; Behm, R. J.; Kaiser, U.; Rau, S.; Weil, T.; Chakrabortty, S.* “A Carbon Nanodot Based Near-Infrared Photosensitizer with a Protein-Ruthenium Shell for Low-Power Photodynamic Applications.” ACS Applied Materials & Interfaces, 2022, 14 (43), 48327-48340. IF – 10.4
    Pramanik, G.*; Bag, S.; Chakrabortty, S.* “Fluorescent Nanodiamond for Nanotheranostic Applications.” Microchimica Acta, 2022, 189 (12), 447. IF – 6.4
  • Busi, K. B.; Kotha, J.; Bandaru, S.; Ghantasala, J. P.; Haseena, S.; Bhamidipati, K.; Puvvada, N.; Ravva, M. K.; Thondamal, M.; Chakrabortty, S.* “Engineering Highly Stable, Fluorescent and Non-toxic Cu Nanoclusters via Reaction Parameter Optimization.” RSC Advances, 2022, 12 (27), 17585. IF – 4.04
  • Nawade, A.; Busi, K. B.; Ramya, K.; Dalapati, G. K.; Mukhopadhyay, S.; Chakrabortty, S.* “Improved Charge transport across Bovine Serum Albumin – Au nanoclusters Hybrid Molecular Junction.” ACS Omega, 2022, 7, 20906. IF – 4.13
  • Busi, K.B.; Palanivel, M.; Ghosh, K.K.; Ball, W. B.; Gulyás, B.; Padmanabhan, P;* Chakrabortty, S.* “The Multifarious Applications of Copper Nanoclusters in Biosensing and Bioimaging and Their Translational Role in Early Disease Detection.” Nanomaterials, 2022, 12 (3), 301. IF – 5.72
  • Naskar, N.; Wagner, M.; Räder, H. J.; Qi, H.; Kaiser, U.; Weil, T.; Chakrabortty, S.* “Molecular Insights of Carbon Nanodot Formation and Their Two-Photon Emission Properties.” Advanced Photonics Research, 2022, 3, 2100092(1-12). IF – 3.7.
  • Molecular Insights of Carbon Nanodot Formation and Their Two-Photon Emission Properties. Sabyasachi Chakrabortty, Nilanjon Naskar, Manfred Wagner, Hans Joachim Räder, Haoyuan Qi, Ute Kaiser, Tanja Weil. Advanced Photonics Research, (2021).(Impact Factor –9.47)
  • Efficient Plastic Recycling and Remold Circular Economy using the Technology of Trust – Blockchain. Swikriti Khadke ,Pragya Gupta ,Shanmukh Rachakunta,Chandreswar Mahata ,Suma Dawn ,Mohit Sharma ,Deepak Verma ,Aniruddha Pradhan ,Ambati Mounika Sai Krishna ,Seeram Ramakrishna, Sabyasachi Chakrabortty, Gopalan Saianand, Prashant Sonar, Sajal Biring , Jatindra Kumar Dash,and Goutam Kumar Dalapati . Sustainability, (2021).(Impact Factor –3.88)
  • Copper based Transparent Solar Heat Rejecting Film on Glass through in-situ Nanocrystal Engineering of Sputtered TiO2. Ashwini Nawade, Kunchanapalli Ramya, Sabyasachi Chakrabortty, Gopalan Saianand, Prashant Sonar, Sajal Biring , Jatindra Kumar Dash,and Goutam Kumar Dalapati. Ceramic International, (2021).(Impact Factor –4.5)
  • Tin Oxide for Optoelectronics, Photovoltaic and Energy Storage Devices - A Review. Dalapati., G, Mukhopadhyay, S., Ghosh, Siddhartha., Sabyasachi Chakrabortty,. Journal of Materials Chemistry A, (2021).(Impact Factor –14.51)
  • 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)
  • 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)
  • 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)
  • 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)
  • 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)
  • 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)
  • 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)
  • 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)
  • 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)
  • 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)
  • 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
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