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PUBLICATIONS

Quadruple Moiré Pockets in Lateral Heterobilayers: Programmable Phononic Reconfiguration and Anomalous Second Harmonic Generation

Suman Kumar Chakraborty, Purbasha Ray, Frederico B Sousa, Chakradhar Sahoo, Indrajeet Dhananjay Prasad, Shneha Biswas, Biswajeet Nayak, Baisali Kundu, Rafael Rojas, Alfred JH Jones, Jill A Miwa, Søren Ulstrup, Sudipta Dutta, Santosh Kumar, Leandro M Malard, Gopal K Pradhan, Prasana Kumar Sahoo

Advanced Materials, e20008

Trion‐Engineered Multimodal Photo‐Transistors in Two‐Dimensional Lateral Heterostructures

Baisali Kundu, Poulomi Chakrabarty, Avijit Dhara, Roberto Rosati, Chandan Samanta, Suman K Chakraborty, Srilagna Sahoo, Saroj P Dash, Sajal Dhara, Ermin Malic, Saurabh Lodha, Prasana K Sahoo

Advanced Functional Materials, e17486

Seamless in two dimensions: prospects of lateral heterostructures from integration to quantum devices

Suman Chakraborty, Biswajeet Nayak, Baisali Kundu, Purbasha Ray, Sachin Kumar, Praveen Kumar, Avinash Patsha, Rohit Medwal, Puneet Murthy, Bernhard Urbaszek, Prasana K Sahoo

npj 2D Materials and Applications 9, 94

2D Excitonics with Atomically Thin Lateral Heterostructures

S Shradha, R Rosati, H Lamsaadi, J Picker, I Paradisanos, Md T Hossain, L Krelle, LF Oswald, N Engel, DI Markina, K Watanabe, T Taniguchi, PK Sahoo, L Lombez, X Marie, P Renucci, V Paillard, J-M Poumirol, A Turchanin, E Malic, B Urbaszek

arXiv preprint arXiv:2510.21422

CVD-Grown 2D MoSe2 Nanolayers for Energy Storage

Praveen Kumar, Tushar Waghmare, Sudhir Kumar, Rajdeep Banerjee, Suman Kumar Chakraborty, Subrata Ghosh, Dipak Kumar Goswami, Sankha Mukherjee, Debabrata Pradhan, Prasana Kumar Sahoo

ACS Applied Nano Materials 8 (43), 21057-21071

Dipolar Interfacial Excitons in Lateral Semiconductor Heterostructures

Elie Vandoolaeghe, Francesco Fortuna, Suman Kumar Chakraborty, Biswajeet Nayak, Takashi Taniguchi, Kenji Watanabe, Prasana K Sahoo, Thibault Chervy, Puneet A Murthy

arXiv preprint arXiv:2509.24465

Enhanced Light Emission in MoSe2–WSe2 Lateral Heterostructures in the Electron–Hole Plasma Regime

Frederico B Sousa, Bárbara AL Ferreira, Suman Kumar Chakraborty, Luiz C Carvalho, Alisson R Cadore, Biswajeet Nayak, Purbasha Ray, Simone S Alexandre, Prasana K Sahoo, Ricardo W Nunes, Leandro M Malard

​The journal of physical chemistry letters 16 (32), 8227-8233

High‐Throughput Ellipsometric Contrast Microscopy of Lateral 2D Heterostructures for Optoelectronics

Teja Potočnik, Oliver Burton, Suman K Chakraborty, Purbasha Ray, Ralf Mouthaan, Peter J Christopher, Zeinab Tirandaz, Xiaofan Lin, Hannah J Joyce, Stephan Hofmann, Prasana K Sahoo, Jack A Alexander‐Webber

Small Methods, 2500437

Comprehensive benchmarking and user guide for the characterization of CVD-grown transition metal chalcogenides

Bartlomiej Tywoniuk, Michael J Mohn, Yanfei Zhao, Beata M Szydłowska, Oliver Hartwig, Simona Pace, Piotr Caban, Conor P Cullen, Tibor Lehnert, Julian Schulz, Prasana K Sahoo, Sachin M Shinde, Alisson R Cadore, Ioannis Paradisanos, Osman Balci, Andrea C Ferrari, Camilla Coletti, Niall McEvoy, Claudia Backes, Andras Kis, Ute Kaiser, Mar Garcia Hernandez, Georg S Duesberg

​Academia Nano: Science, Materials, Technology 2 (2)

​Unraveling Ultrafast Demagnetization Dynamics in Nickel Film Using 3TM and m3TM Model

Debkanta Ghosh, Chitra Dolai, Shailab S Bodra, Biswajeet Nayak, Prasana K Sahoo, Prasanta K Datta

CLEO: Applications and Technology, JPS100_166

Harnessing Layer-Controlled Two-dimensional Semiconductors for Photoelectrochemical Energy Storage via Quantum Capacitance and Band Nesting

Praveen Kumar, Tushar Waghmare, Sudhir Kumar, Rajdeep Banerjee, Suman Kumar Chakraborty, Subrata Ghosh, Dipak Kumar Goswami, Sankha Mukherjee, Debabrata Pradhan, Prasana Kumar Sahoo

​arXiv preprint arXiv:2502.20107

Electrically Controlled Excitons, Charge Transfer Induced Trions, and Narrowband Emitters in MoSe2–WSe2 Lateral Heterostructure

Baisali Kundu, Priyanka Mondal, David Tebbe, Md Nur Hassan, Suman Kumar Chakraborty, Marvin Metzelaars, Paul Kögerler, Debjani Karmakar, Christoph Stampfer, Bernd Beschoten, Lutz Waldecker, Prasana Kumar Sahoo

Nano Lett. 2024

Synthesis of 2D heterostructures

B Kundu, P Mohanty, PK Sahoo

2D Materials for Electronics, Sensors and Devices, 55-95

Synthesis of lateral heterostructure of 2D materials for optoelectronic devices: challenges and opportunities

PKS, Baisali Kundu, Prachi Mohanty, Praveen Kumar, Biswajeet Nayak, Barnali ...

Emergent Materials

Selected International Journal Publications

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  1. B Kundu, P Mondal, D Tebbe, M N Hassan, S K Chakraborty, M Metzelaars, P Kogerler, D Karmakar, C Stampfer, B Beschoten, L Waldecker, Prasana K Sahoo. Electrically Controlled Excitons, Charge Transfer Induced Trions, and Narrowband Emitters in MoSe2–WSe2 Lateral Heterostructure, Nano Lett (2024).

  2. F. A. Nugera, Prasana K.Sahoo, Y. Xin, S. Ambardar, D. Voronine,  U. J. Kim,  Y. Han, H. Son, H. R. Gutiérrez, Bandgap Engineering in 2D Lateral Heterostructures of Transition Metal Dichalcogenides via Controlled Alloying, Small 2106600 (2022) 1-11.

  3. S. K. Chakraborty, B. Kundu, B. Nayak, S. P. Dash, Prasana K. Sahoo, Challenges and opportunities in 2D heterostructures for electronic and optoelectronic devices, iScience 25 (2022) 103942 (Invited).

  4. S. Ambardara, R. Kamh, Z. H. Withers, Prasana K. Sahoo and D. Voronine, Coupling nanobubbles in 2D lateral heterostructures, Nanoscale, 14 (2022) 8050-8059. 

  5. A. Albagami, S. Ambardar, H. Hrim, Prasana K Sahoo, Y. Emirov, H. R. Gutiérrez, D. V. Voronine, Tip-Enhanced Photoluminescence of Freestanding Lateral Heterobubbles, ACS Applied Materials & Interfaces 14 (2022) 11006.      

  6. R. K. Behera, L. Mishra, A. Panigrahi, Prasana K. Sahoo, M. K. Sarangi, Tunable Conductance of MoS2 and WS2 Quantum Dots by Electron Transfer with Redox-Active Quinone, ACS Applied Materials & Interfaces 14 (2022) 5750–5761.

  7. F. Sousa, L. Fonseca, A. Cadore, Prasana K. Sahoo, L. Malard, Revealing Atomically Sharp Interfaces of Two-Dimensional Lateral Heterostructures by Second Harmonic Generation,   2D Materials 8 (2021) 035051.

  8. B. Kundu, P. Mohanty, P. Kumar, B. Nayak, B. Mahato, P. Ranjan, S. K. Chakraborty, S. Sahoo & Prasana K. Sahoo,* Synthesis of lateral heterostructure of 2D materials for optoelectronic devices: challenges and opportunities, Emergent Materials  4 (2021) 923–949 (Invited)

  9. S. Berweger, H. Zhang, Prasana K. Sahoo,* B. M. Kupp, J.y L. Blackburn, E. M. Miller, T. M. Wallis, D. Voronine, P. Kabos, S. Nanayakkara, Spatially Resolved Persistent Photoconductivity in MoS2–WS2 Lateral Heterostructures; ACS Nano 14 (2020) 14080–14090.

  10. M. Trushin, S. Sarkar, S. Mathew, S. Goswami, Prasana Sahoo, Y. Wang, J. Yang, W. Li, J. L. MacManus-Driscoll, M. Chhowalla, S. Adam, T. Venkatesan; Evidence of Rotational Fröhlich Coupling in Polaronic Trions; Phys. Rev. Lett. 125 (2020) 086803.

  11. Prasana K. Sahoo,* S. Memaran, F. A. Nugera, Y. Xin, T. D. Márquez, Z. Lu, W. Zheng, N. D. Zhigadlo, D. Smirnov, L. Balicas, H. R. Gutiérrez; Bilayer Lateral Heterostructures of Transition Metal Dichalcogenides and their optoelectronic response. ACS Nano 13 (2019), 12372-12384.

  12. Prasana K. Sahoo,* S. Memaran, Y. Xin, L. Balicas, H. R. Gutiérrez, One-pot growth of two- dimensional lateral heterostructures via sequential edge-epitaxy; Nature 553 (2018) 63–67.

  13. C. E. Stevens, J. Paul, T. Cox, Prasana K. Sahoo, H. Gutierrez, V. Turkowski, D. Semenov, S. McGill, M. Kapetanakis, I. Perakis, D. Hilton, D. Karaiskaj, Biexcitons in monolayer transition metal dichalcogenides tuned by magnetic fields: toward a pure biexciton liquid; Nature Communication 9 (2018) 3720.

  14. M. Monteiro, J. Montelongo, Prasana K.Sahoo, R. Montelongo, D. Oliveira, M. Piazzeta, J. Sandoval, A. Souza, A. Gobbi, M. Cotta, Functionalized microchannels as xylem-mimicking environment: Quantifying X. fastidiosa cell adhesion, Biophysical Journal 120 (2021) 1443.

  15. T. Afanesh, Prasana K. Sahoo, I. A. P. Nobrega, Y. Xin, H. R. Gutierrez, Laser-induced chemical modification of monolayer Transition Metal Dichalcogenides; Advanced Functional Materials, 28 (2018) 1802949.

  16. Prasana K. Sahoo, H. Zong, J. Liu, W. Xue, X. Lai, H. R. Gutiérrez, D. V. Voronine, Probing nano-heterogeneity and aging effects in lateral 2D heterostructures using tip-enhanced photoluminescence, Optical Materials Express, 9 (2019) 1620-1631.

  17. W. Xue, Prasana K. Sahoo, J. Liu, H. Zong, X. Lai, S. Ambardar, D. V. Voronine, Nano-optical imaging of monolayer MoSe2-WSe2 lateral heterostructure with subwavelength domains, J. Vac. Sci. Technol. A 36 (2018) 05G502.

  18. R. Janissen#, Prasana K. Sahoo,# C. A. Santos, A. M. da Silva, A. A. G. Zuben, A. D. T. Costa, P. Celedon, N. I. T. Zanchin, D. B. Almeida, D. S. Oliveira, C. L. Cesar, A. P. de Souza, M. A. Cotta, InP Nanowire FET Biosensor with tailored Biofunctionalization: Ultrasensitive and Highly Selective Disease Biomarker Detection; Nano Letters 17 (2017) 5938–5949. #Equal Contribution

  19. Prasana K. Sahoo, R. Janissen, M. P. Monteiro, A. Cavalli, D. M. Murillo, M. V. Merfa, C. L. Cesar, H. F. Carvalho, A. A. de Souza, E. P. A. M. Bakkers, M. A. Cotta; Nanowire Arrays as Cell Force Sensors to Investigate Adhesin-Enhanced Holdfast of Single Cell Bacteria and Biofilm Stability; Nano Letters 16 (2016) 4656-4664.  

  20. A. K. Prasad, Prasana K. Sahoo, S. Dhara, S. Dash, A. K. Tyagi, Differences in hydrogen absorption over Pd and Pt functionalized CVD-grown GaN nanowires; Materials Chemistry and Physics 211 (2018) 355e360.

  21. M. Moeller, D. S. Oliveira, Prasana K. Sahoo, M. A. Cotta, F. Iikawa, P. Motisuke, A. M. Sanchez, M. M. de Lima Jr., A. G. Cristobal, A. Cantarero; Fermi Energy Dependence of the Optical Emission in core/shell InAs Nanowire Homostructures; Nanotechnology 28 (2017) 295702.

  22. A. Patsha, Prasana Sahoo, S. Amirthapandian, A. K. Prasad, A. Das, A. K. Tyagi, M. A. Cotta, S. Dhara, Localized Charge Transfer Process & Surface Band-Bending in methane sensing by GaN Nanowires; J. Physical Chemistry C 119 (2015) 21251.   

  23. Prasana Sahoo,* S. Dhara, S. Amirthapandian, M. Kamruddin, Evolution of GaN Nanowire morphology during Catalyst-Induced growth Process; J. Material Chemistry C 1 (2013) 7237.

  24. Prasana Sahoo,* S. Sumathi, S. Dhara, G. Saini, S. Rangarajan, S. Dash, A.K. Tyagi, Direct label Free Ultrasensitive Impedimetric DNA Biosensor using Dendrimer Functionalized GaN Nanowires; Biosensor & Bioelectronics 44 (2013) 164.

  25. Prasana Sahoo,* P. S. Murthy, S. Dhara, V. P. Venugopala, A. Das, A. K. Tyagi, Probing the Cellular Damage in Bacteria Induced by GaN Nanoparticles using Confocal Laser Raman spectroscopy; J. Nanoparticle Research 15 (2013) 1841.

  26. Prasana Sahoo, S. Dhara, S. Dash, S. Amirthapandian, A. K. Prasad, A. K. Tyagi, Room temperature H2 sensing using Pt- functionalized GaN nanotubes; Int. Journal of Hydrogen Energy 38 (2013) 3513.

  27. Prasana Sahoo,* S. Dhara, S. Amirthapandian, M. Kamruddin, S. Dash, A. K. Tyagi, Role of surface polarity in self-catalyzed nucleation and evolution of GaN nanostructures; Crystal Growth & Design 12 (2012) 2375.

  28. Prasana Sahoo, J. Basu, S. Dhara, H. C. Fang, C. P. Lu, T. R. Ravindran, S. Dash and A. K. Tyagi, Single step growth dynamics and multi-functional properties of core-shell GaN on Ga2O3 freestanding microbelts; J. Material Science 47 (2012) 3447.  

  29. A. Patsha, Prasana Sahoo, S. Dhara, S. Amrithapandian, A. K. Tyagi, Probing Crystallographic Orientation of a single GaN nanotube using polarized Raman imaging; J. Raman Spectroscopy 44 (2012) 651.   

  30. Prasana Sahoo, D. Oliveira, M. A. Cotta, S. Dhara, S. Dash, A. Tyagi, B. Raj, Enhanced surface potential variation on nanoprotrusions of GaN microbelt as a probe for humidity sensing; J. Physical Chemistry C 115 (2011) 5863. 

  31. Prasana Sahoo,* S. Dhara, S. Dash, I. Manna, B. Raj, A. K. Tyagi, Air trapped nano-cavity induced superhydrophobicity on GaN microbelt; Applied Physics Letter 98 (2011) 043103.

  32. Prasana Sahoo,* S. Dhara, S. Dash, A. K. Tyagi, One Dimensional GaN Nanostructures: Growth Kinetics and Applications; Nanoscience & Nanotechnology-ASIA 1 (2011) 140-170. (Invited Review)

  33. Prasana Sahoo, S. Dhara, C. R. Das, S. Dash, A. K. Tyagi, B. Raj, P. Chandramohan, M. P. Srinivasan, Surface optical modes in GaN nanowires; Int. J. Nanotechnology 7 (2010) 823. 

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