Home>Publications
Please see below for the complete list of publications in peer-reviewed journals. Click on the DOI link to find full article.
Latest Publications [2025]
Somnath Mahato, Baidyanath Roy, Shaona Bose, Satayender K Sangwan, Narayan Chandra Das, Muhammad Danang Birowosuto, Samit K Ray "Atomically Precise Ruddlesden–Popper Faults Induced Enhanced Emission in Ligand Stabilized Mixed Halide Perovskites," Adv. Mater. 2025, e03680
Saswata Goswami, Bruno Ipaves, Juan Gomez Quispe, Caique Campos de Oliveira, Surbhi Slathia, Varinder Pal, Christiano JS de Matos, Samit K Ray, Douglas S Galvao, Pedro AS Autreto, Chandra Sekhar Tiwary "All Photonic Isolator using Atomically Thin (2D) Bismuth Telluride (Bi2Te3)," arXiv:2508.03319v1 [physics.optics]
Sourav Das, Tamal Dey, Debabrata Mandal, Samit K Ray, Pallab Banerji, Amreesh Chandra, Rabaya Basori "Plasmon-sensitized SiNWs/SnS2 heterostructures for high-sensitivity photodetector devices," J. Appl. Phys. 137, 233103 (2025)
Shaona Bose, Baidyanath Roy, Satayender K Sangwan, Rajshekhar Bar, Sanjeev Kumar Srivastava, Samit K Ray "Enhanced Carrier Recombination in Mixed-Phase CsPbI3 through Controlled Cu Doping: Defect Suppression and Phase Modulation for Improved LEDs," ACS Appl. Mater. Interfaces 2025, 17, 23, 34139–34149
Shovan Biswas, Palash Das, Sayan Chakraborty, Jasomati Nayak, Ajay Haridas CP, Ankur Katheria, Titash Mondal, Samit K Ray, Narayan Ch Das "Multifunctional Conductive Elastomeric Composites for Broadband Electromagnetic Radiation Shielding and Biomechanical Energy Harvesting," ACS Appl. Polym. Mater. 2025, 7, 11, 7044–7062
Subham Saha, Baidyanath Roy, Tamal Dey, Chirantan Ganguly, James Bullock, Ranjith R Unnithan, Samit K Ray "Tunable Resistive Switching in CsPbBr3 Nanocrystal-Based Memristors for Artificial Synapse and Neuromorphic Applications," Adv. Mater. Technol. 2025, e00720
Piyush Kanti Sarkar, Sayan Chakraborty, Sudarshan Singh, Satayender K Sangwan, Samit K Ray "Utilization of Cu2ZnSnS4 (CZTS) as a Tribo-Positive Layer for Energy Harvesting, Tactile Sensing, and Audio Recording," ACS Appl. Energy Mater. 2025, 8, 12, 8331–8340
Saranya Das, Shreyasi Das, Samit K Ray "Photo-Assisted Selective and Reversible Acetone Sensors Based on 2-D MoSe₂ Nanoflakes," IEEE Sensors Journal, VOL. 25, NO. 11, 1 JUNE 2025
Renu Yadav, Sourabh Pal, Subhajit Jana, Samit K Ray, Maruthi M Brundavanam, Shivakiran Bhaktha B. N "Anomalous Lasing Behavior in a Nonlinear Plasmonic Random Laser," ACS Photonics 2025, 12, 2, 717–727
Sayan Chakraborty, Sourabh Pal, Samit K Ray "Flexible Piezoelectric Nanogenerators Based on Sono-Chemically Exfoliated MoSe2–PVDF Nanocomposites for Efficient Energy Harvesting," ACS Appl. Energy Mater. 2025, 8, 4, 2620–2629
Arup Ghorai, Sudarshan Singh, Baidyanath Roy, Shaona Bose, Somnath Mahato, Nikolai Mukhin, Pragyan Jha, Samit K Ray "Suppression of Light-Induced Phase Segregations in Mixed Halide Perovskites through Ligand Passivation ," J. Phys. Chem. Lett. 2025, 16, 7, 1760–1768
Latest Publications [2024]
Baidyanath Roy, Tamal Dey, Shaona Bose, Somnath Mahato, Narayan Chandra Das, Samit K Ray "Superior photoconversion efficiency of nanocrystal sensitized solar cells based on all-inorganic CsPbX3 (X = Br, I) perovskites," : Nanoscale, 2025, 17, 10743-10751
Satayender K Sangwan, Sk Shaharukh, Samit K Ray, Achintya Dhar "Modulating Poly(methyl methacrylate) Gate Dielectric Behavior with Cosolvent and Low-Temperature Processing for Low-Threshold-Voltage Flexible Organic Field-Effect Transistors," : ACS Appl. Electron. Mater. 2025, 7, 1, 560–570
Satayender K Sangwan, Sk Shaharukh, Samit K Ray, Achintya Dhar "Modulating Poly(methyl methacrylate) Gate Dielectric Behavior with Cosolvent and Low-Temperature Processing for Low-Threshold-Voltage Flexible Organic Field-Effect Transistors," : ACS Appl. Electron. Mater. 2025, 7, 1, 560–570
Sayani Maiti, Suvendu Nandi, Swarup Krishna Bhattacharyya, Aparajita Pal, Baidyanath Roy, Samit Kumar Ray, Mahitosh Mandal, Narayan Ch. Das, Susanta Banerjee, "Fabrication and characterization of Carbon Dot-induced Fe MOF for the detection and destruction of cancer cell," :
Nano-Structures & Nano-Objects ,Volume 40, December 2024, 10140
Deblina Saha, Tamal Dey, Indrajit Pal, Anupam Kundu, Shreyasi Das, Suresh Kumar Yatirajula, Jnanendra Rath, Samit K Ray, Biswajit Dey "Self-Healing Supramolecular Flexible Network of Zn(II): Exploring Chemo-Responsiveness, Antimicrobial Efficiency, and Variable Microelectronic Device Performances," : Langmuir 2024, 40, 26517−26531.
Sudarshan Singh, John Wellington John, Arijit Sarkar, Veerendra Dhyani, Samaresh Das and Samit K Ray* "Room-temperature infrared photoluminescence and broadband photodetection characteristics of Ge/GeSi islands on silicon-on-insulator," Nanotechnology 36 045204.
Nikita Dey, Anukool Yadav, Samit Kumar Ray, Prasanta Kumar Guha, "Printed MXene-NiSe asymmetric micro-supercapacitors for flexible energy storage devices," Journal of Energy Storage 2024, 112831.
Aparajita Pal, Jasomati Nayak, Baidyanath Roy, Sayani Maiti, Sreeja Nath Chowdhury, Palash Das, Ankur Katheria, Samit K Ray, Santanu Chattopadhyay, Narayan Ch Das, "Dual crosslinked interpenetrating polymer network-based porous hydrogel membrane for solid-state supercapacitor applications," Polymer 2024, 127408.
Suprovat Ghosh, Abir Mukherjee, Sudarshan Singh, Samit K Ray, Ananjan Basu, Santanu Manna, Samaresh Das "Optically Pumped Terahertz Amplitude Modulation in Type-II Ge QD/Si heterostructures grown via Molecular Beam Epitaxy," arXiv preprint arXiv:2407.030812024.
Shivam Shukla, Subhajit Jana, Anu Gupta, Subhadip Ghosh, Samit K Ray, Sanjeev K Srivastava, "Photoresponse of Carbon Nanofiber-Based Photodetector and Its Enhancement on CuNi Nanoparticle Adsorption," ACS Omega 2024, 26159-26167.
Nikita Dey, Debmally Das, Samit Kumar Ray, Prasanta Kumar Guha, "Analysis of the potential of nickel selenide micro-supercapacitors as energy storage device," Journal of Energy Storage 2024, 109722.
Didhiti Bhattacharya, Shubhrasish Mukherjee, Avijit Chowdhury, Samit Kumar Ray, "Novel TMDC/Si Heterojunction Based Direct Current UV Sensitive Tribovoltaic Nanogenerator and Visual‐Image Sensors," Advanced Functional Materials 2024, 2403705.
Shreyasi Das, Varinder Pal, Shubhrasish Mukherjee, Soumen Das, Chandra Sekhar Tiwary, Samit K Ray, "Multi‐Wavelength Optoelectronic Synaptic Transistors Based on Transition Metal Telluride‐Sulfide Heterostructures," Advanced Optical Materials 2024,2400037.
Somnath Mahato, Michal Makowski, Shaona Bose, Dominik Kowal, Md Abdul Kuddus Sheikh, Philipp Braueninger-Wemer, Marcin E Witkowski, Samit Kumar Ray, Winicjusz Drozdowski, Muhammad Danang Birowosuto, "Improvement of Light Output of MAPbBr3 Single Crystal for Ultrafast and Bright Cryogenic Scintillator", The Journal of Physical Chemistry Letters 2024, 15, 14, 3713–3720.
Shaona Bose, Somnath Mahato, Baidyanath Roy, Tukai Singha, Sanjeev Kumar Srivastava, Samit K Ray, "Unveiling Electron Dose-Induced Phase Decomposition and Energy Kinetics in Cu-Doped CsPbI3 Nanocrystals", ACS Applied Nano Materials March 5, 2024.
Sandeep Kumar Yadav, Shreyasi Das, Abhijit Lincon, Saradindu Saha, Somdeb BoseDasgupta, Samit K Ray, Soumen Das, "Gelatin-decorated Graphene oxide: A nanocarrier for delivering pH-responsive drug for improving therapeutic efficacy against atherosclerotic plaque", International Journal of Pharmaceutics Volume 651, 15 February 2024, 123737.
Somnath Mahato, Magdalena Tamulewicz‐Szwajkowska, Sudarshan Singh, Dominik Kowal, Shaona Bose, Jarosław Serafińczuk, Krzysztof Czyż, Roman Jędrzejewski, Muhammad Danang Birowosuto, Samit Kumar Ray, Ahmed L Abdelhady, "Surface‐Engineered Methylammonium Lead Bromide Single Crystals: A Platform for Fluorescent Security Tags and Photodetector Applications", Advanced Optical Materials 2024/01/31.
Shaona Bose, Ankit Sharma, Somnath Mahato, Naresh Chandra Maurya, Baidyanath Roy, Sanjeev Kumar Srivastava, KV Adarsh, Samit K Ray "Improvement in hot carrier dynamics of all-inorganic halide perovskite CsPbI3 on doping Cu", Applied Physics Letters 124, 011901 (2024)
DOI: 10.1063/5.0187847
2023
Tamal Dey, Sudarshan Singh, Subhajit Jana, Soumen Das, Samit K Ray, "X-Graphene Quantum Dot/PbX (X= S, Se) Hybrid Nanostructures for Self-Powered Two-Color UV-NIR Photodetectors", ACS Applied Nano Materials 2023/11/14.
Sourabh Pal, Arup Ghorai, Somnath Mahato, Samit K Ray, "Piezo‐Phototronic Effect‐Induced Self‐Powered Broadband Photodetectors using Environmentally Stable α‐CsPbI3 Perovskite Nanocrystals", Advanced Optical Materials 2023/8.
Poulomi Chakrabarty, Arup Ghorai, Sourabh Pal, Deepanjana Adak, Baidyanath Roy, Samit K Ray, Rabibrata Mukherjee, "Superior white electroluminescent devices using nitrogen-doped carbon dots/TiO2 nanorods heterostructures", Nanotechnology 2023/9/19.
Subhajit Jana, Tamal Dey, BN Shivakiran Bhaktha, Samit K Ray, "Probing the tunable optical properties of highly luminescent functionalized graphene quantum dots as downconverters for superior detection of ultraviolet radiation", Materials Today Nano 2023/8/22. DOI: 10.1016/j.mtnano.2023.100400
Suparna Pal, Rajiv Kamparath, VVV Subrahmanyam, Neha Sharma, Subhajit Jana, Sharad Karwal, Parasmani Rajput, Asiya Shaikh, C Mukherjee, SN Jha, NS Benerji, "Sol-gel prepared amorphous Ta2O5 thin film for application in high LIDT antireflection coating and UV photodetection", ACS Optical Materials 2023/8/1. DOI: 10.1016/j.optmat.2023.114097
Arup Ghorai, Somnath Mahato, Sudarshan Singh, Shaona Bose, Baidyanath Roy, Unyong Jeong, Samit Kumar Ray, "Ligand-Mediated Revival of Degraded α-CsPbI3 to Stable Highly Luminescent Perovskite2", Angewandte Chemie 2023/3/27. DOI: 10.1002/ange.202302852
Shreyasi Das, Arup Ghorai, Sourabh Pal, Somnath Mahato, Soumen Das, Samit Ray, "Photosensitive Field-Effect Transistor with Enhanced Photoamplification Mediated by Charge Transfer in a Heterostructure of α-CsPbI3Nanocrystals and Two-DimensionalWS2", Physical Review Applied 2023/3/15. DOI: 10.1103/PhysRevApplied.19.034051
Sudarshan Singh, Samaresh Das, Samit K Ray, "Progress in group-IV semiconductor nanowires based photonic devices", Applied Physics A 129, 216 (2023). DOI: 10.1007/s00339-023-06483-7
Baidyanath Roy, Somnath Mahato, Shaona Bose, Arup Ghorai, Sanjeev Kumar Srivastava, Narayan Chandra Das, Samit Kumar Ray, "Cu-Doping Induced Phase Transformation in CsPbI3 Nanocrystals with Enhanced Structural Stability and Photoluminescence Quantum Yield", Chemistry of Materials 2023, 35, 4, 1601–1609. DOI: 10.1021/acs.chemmater.2c03095
Shaona Bose, Subhrajit Mukherjee, Subhajit Jana, Sanjeev Kumar Srivastava, Samit Ray, "One-pot liquid-phase synthesis of MoS2-WS2 van der waals heterostructures for broadband photodetection", Nanotechnology 34 (12), 125704. DOI: 10.1088/1361-6528/acab6e
Shreyasi Das, Arup Ghorai, Sourabh Pal, Somnath Mahato, Soumen Das, Samit Ray, "Giant photo-amplification in air-stable α-CsPbI3 nanocrystals / WS2 0D / 2D mixed-dimensional phototransistor with asymmetric contacts", Bulletin of the American Physical Society 2023/3/9. DOI: 10.1021/acsami.2c14318
Sayan Bayan, Sourabh Pal, Samit K Ray, "Boron carbonitride (BxCyNz) nanosheets based single electrode triboelectric nanogenerator for wearable UV photodetectors", Applied Materials Today 2023/2/1. DOI: 10.1016/j.apmt.2022.101686
2022
Swarup Krishna Bhattacharyya, Suvendu Nandi, Tamal Dey, Samit Kumar Ray, Mahitosh Mandal, Narayan Chandra Das, Susanta Banerjee, "Fabrication of a Vitamin B12-Loaded Carbon Dot/Mixed-Ligand Metal Organic Framework Encapsulated within the Gelatin Microsphere for pH Sensing and In Vitro Wound Healing Assessment", ACS Applied Bio Materials 2022/12/7. DOI: 10.1021/acsabm.2c00725
Subhajit Jana, Sourabh Pal, Shivakiran BN Bhaktha, Samit K Ray, "Synergistic Effects of Plasmonic Au Nanoislands on a MoSe2 Nanoflake/ZnO Nanorod Heterostructure for an Enhanced Broadband Photoresponse", ACS Applied Nano Materials 2022/11/25. DOI: 10.1021/acsanm.2c04022
Tamal Dey, Arup Ghorai, Soumen Das, Samit K Ray, "CsPbI3/N-GQDs dual layer phosphor-converted white-LEDs with ultrahigh luminous efficiency and color rendering index", Nanotechnology 2022. DOI: 10.1088/1361-6528/aca0a6
Shreyasi Das, Sourabh Pal, Partha Kumbhakar, Raphael M Tromer, Solomon Demiss Negedu, Douglas S Galvao, Soumen Das, Chandra Sekhar Tiwary, Samit K Ray, "Vacancy-Mediated Anomalous Emission Characteristics of Size-Confined Semiconducting CoTe2", ACS Applied Materials & Interfaces 2022/11/17. DOI: 10.1021/acsami.2c14318
Arup Ghorai, Somnath Mahato, Sanjeev Kumar Srivastava, Samit K Ray, "Atomic Insights of Stable, Monodispersed CsPbI3−xBrx (x = 0, 1, 2, 3) Nanocrystals Synthesized by Modified Ligand Cell", Advanced Functional Materials 2022. DOI: 10.1002/adfm.202202087
SK Bhattacharyya, ID Jana, N Pandey, D Biswas, A Girigoswami, T Dey,S Banerjee, S. K. Ray, A Mondal, G Mukherjee, N. C. Das, S. Banerjee, "Ho3+-Doped Carbon Dot/Gelatin Nanoparticles for pH-Responsive Anticancer Drug Delivery and Intracellular Cu2+ Ion Sensing", ACS Applied Nano Materials 2022. DOI: 10.1021/acsanm.2c02841
JW John, V Dhyani, A Jakhar, HK Sandhu, S Dewan, SK Ray, S Das, "Black-Arsenic/Germanium-on-insulator Heterostructure Field Effect Transistor for Ultrafast Polarization Sensitive Short-Wave Infrared Photodetection", IEEE Electron Device Letters 2022. DOI: 10.1109/LED.2022.3193724
S Dey, P Guha Ray, T Roy, S Santra, S Dhara, SK Ray, PK Guha, "Nanoinspired Biocompatible Chemosensors: Progress toward Efficient Prognosis of Arsenic Poisoning", ACS Applied Bio Materials 2022, 5, 8, 3850–3858. DOI: 10.1021/acsabm.2c00405
D. Majumdar, S. Jana, and S. K. Ray, "Gold nanoparticles decorated 2D-WSe2 as a SERS substrate", Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 278, 121349. DOI: 10.1016/j.saa.2022.121349
S. Singh, S. Mukherjee, S. Mukherjee, S. Assali, L. Luo, S. Das, O. Moutanabbir, and S. K Ray, "Ge-Ge0.92Sn0.08 core-shell single nanowire infrared photodetector with superior characteristics for on-chip optical communication", AIP Appl. Phys. Lett. 120, 171110 (2022). DOI: 10.1063/5.0087379
T. Dey, A. Ghorai, S. Das, and S. K. Ray, "Solvent-engineered performance improvement of graphene quantum dot sensitized solar cells with nitrogen functionalized GQD photosensitizers", Solar Energy 236, 17-25. DOI: 10.1016/j.solener.2022.02.048
S. Mahato, A. Ghorai, A. Mondal, S. K. Srivastava, M. Modak, S. Das, and S. K. Ray, "Atomic-Scale Imaging and Nano-Scale Mapping of Cubic α-CsPbI3 Perovskite Nanocrystals for Inverted Perovskite Solar Cells", ACS Appl. Mater. & Interfaces 14 (7), 9711-9723. DOI: 10.1021/acsami.1c20794
S. Singh, S. Mukherjee, S. Mukherjee, S. Assali, L. Luo, S. Das, O. Moutanabbir, and S. K Ray, "Ge-Ge0.92Sn0.08 core-shell single nanowire infrared photodetector with superior characteristics for on-chip optical communication", ArXived Link
S. Mukherjee, D. Bhattacharya, S. Patra, S. Paul, R. K. Mitra, P. Mahadevan, A. N. Pal, and S. K Ray, "High-Responsivity Gate-Tunable Ultraviolet–Visible Broadband Phototransistor Based on Graphene–WS2 Mixed-Dimensional (2D-0D) Heterostructure", ACS Appl. Mater. & Interfaces 14 (4), 5775-5784. DOI: 10.1021/acsami.1c18999
S. Bayan, S. Pal, and S. K Ray, "Interface engineered silver nanoparticles decorated g-C3N4 nanosheets for textile based triboelectric nanogenerators as wearable power sources", Nano Energy 94, 106928. DOI: 10.1016/j.nanoen.2022.106928
A. Ghorai, R. Basori, A. Midya, and S. K. Ray, "Light-induced enhancement of memory effect in self-assembled pyrene nanostructures", Journal of Materials Science 57, 489–499. DOI: 10.1007/s10853-021-06640-4
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Books
Strained Silicon Heterostructures: Materials and Devices by C.K. Maiti, N.B. Chakrabarti and S.K. Ray, IEE, London, 2001.
Cadmium Sulphide Nanostructures for Device Applications by S.P. Mondal and S.K. Ray, Lamber Academic Publishing, Germany, 2010
Book-chapters
"Two-Dimensional Material-Based Quantum Dots for Wavelength-Selective, Tunable, and Broadband Photodetector Devices" by S. K. Ray, S. Mukherjee, T. Dey, S. Jana, and E. Koren In: "Quantum Dot Photodetectors" edited by X. Tong, J. Wu, Z. M. Wang. Lecture Notes in Nanoscale Science and Technology, vol 30. Springer, Cham (2021). DOI: 10.1007/978-3-030-74270-6_6
"Silicon and Germanium Nanocrystals for Device Applications" - in an Edited Book “Nanoclusters and Nanostructured Surfaces" by S. K. Ray & Kaustuv Das, American Scientific Publishers, USA, 2010
“Silicon-Based Detectors and Sources for Optoelectronic Devices” - in “Guided Wave Optics and Photonic Devices” by Rajkumar Singha and Samit K. Ray, CRC Press, USA, 2013
"Group-IV Nanostructures for Optoelectronic Devices" in “New Research in Optical Materials” by S. K. Ray and J. Kolodzey, Nova Publishers, 2007
“Characteristics of Ge nanocrystals grown by RF magnetron sputtering” - in “Semiconductor Photonics: Nanostructured Materials ad Devices by R. K. Singha, K. Das, S. Das, A. Dhar and S. K. Ray, Trans Tech Publications Ltd., Switzerland.
Patents
Terahertz frequency radiation sources and detectors based on group-IV materials and method of manufacture”: Granted; Ref : US Patent No. : US 7,386, 016 B2 dated 10th June, 2008